13 files changed, 2828 insertions, 0 deletions
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/AsynchronousDataResponder.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/AsynchronousDataResponder.java
new file mode 100644
index 0000000..847bbcf
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/AsynchronousDataResponder.java
@@ -0,0 +1,155 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: AsynchronousDataResponder.java,v 1.3 2006/08/30 14:02:35 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.IOException;
+import java.util.List;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.FileUploadException;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+import org.apache.log4j.Logger;
+
+import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+
+/**
+ * Servlet that responds to the data post requests of the local service (e.g.
+ * BKU).
+ * 
+ * @author wprinz
+ */
+public class AsynchronousDataResponder extends HttpServlet
+{
+
+  /**
+   * SVUID.
+   */
+  private static final long serialVersionUID = -4992297156381763174L;
+
+  /**
+   * The logger definition.
+   */
+  private static final Logger logger_ = ConfigLogger.getLogger(AsynchronousDataResponder.class);
+
+  protected void doGet(HttpServletRequest arg0, HttpServletResponse arg1) throws ServletException, IOException
+  {
+    logger_.debug("AsyncDataResp GET REQUEST.");
+    super.doGet(arg0, arg1);
+  }
+
+  protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+    logger_.debug("AsyncDataResp !!!!!!!!!!!!!!!!!!!!!!");
+
+    HttpSession session = request.getSession(false);
+    if (session == null)
+    {
+      throw new ServletException("There is no session associated with this request.");
+    }
+
+    // String session_id_string = request.getParameter("session");
+    // if (session_id_string == null)
+    // {
+    // throw new ServletException("The session parameter is missing.");
+    // }
+
+    SessionInformation si = (SessionInformation) session.getAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION);
+    // long session_id = Long.parseLong(session_id_string);
+    // SessionInformation si = SessionTable.get(session_id);
+    if (si == null)
+    {
+      throw new ServletException("The session is not found or no longer valid.");
+    }
+
+    // InputStream is = request.getInputStream();
+    // byte [] data = new byte[request.getContentLength()];
+    // is.read(data);
+    // is.close();
+    // String enc = request.getCharacterEncoding();
+    // String ct = request.getContentType();
+    // Enumeration enum = request.getHeaderNames();
+    //    
+    // String dat = new String(data, "US-ASCII");
+    // // dat looks like: XMLResponse=blablabla ...
+    // // so the actual XMLResponse begins after the =
+    // String resp = URLDecoder.decode(dat, "UTF-8");
+
+    logger_.debug("Answer from local service: content-type = '" + request.getContentType() + "', character encoding = '" + request.getCharacterEncoding() + "'");
+
+    // .getParameter will use the character encoding specified by the
+    // content-type header.
+    // Unfortunately BKU forgets to specify a chatacter encoding.
+    // Therefor, .getParameter will assume US-ASCII or something.
+    // ==> we explicitely set UTF-8
+    if (request.getCharacterEncoding() == null)
+    {
+      request.setCharacterEncoding("UTF-8");
+      logger_.debug("  no character encoding specified - set to UTF-8");
+    }
+
+    logger_.debug("AsyncDataResponder: si.current_operation = " + si.current_operation);
+
+    String resp_string = request.getParameter("XMLResponse");
+    if (resp_string == null)
+    {
+      logger_.debug("response String is null => trying multipart form");
+
+      DiskFileItemFactory fif = new DiskFileItemFactory();
+      fif.setRepository(SettingsReader.getTemporaryDirectory());
+      ServletFileUpload sfu = new ServletFileUpload(fif);
+
+      try
+      {
+        List items = sfu.parseRequest(request);
+        
+        for (int i = 0; i < items.size(); i++)
+        {
+          FileItem item = (FileItem) items.get(i);
+          logger_.debug("item = " + item.getFieldName());
+          
+          if (item.getFieldName().equals("XMLResponse"))
+          {
+            resp_string = item.getString("UTF-8");
+          }
+        }
+      }
+      catch (FileUploadException e)
+      {
+        throw new ServletException("File Upload exception. cannot parse POST data");
+      }
+
+    }
+
+    si.response_string[si.current_operation] = resp_string; //request.getParameter("XMLResponse");
+    //logger_.debug("AsyncDataResponder: si.response_string[si.current_operation] = " + si.response_string[si.current_operation]);
+
+    si.current_operation++;
+
+    si.finished = true;
+
+    LocalRequestHelper.formatBKUOkResponse(response);
+  }
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/AsynchronousRedirectResponder.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/AsynchronousRedirectResponder.java
new file mode 100644
index 0000000..fb5d2e3
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/AsynchronousRedirectResponder.java
@@ -0,0 +1,196 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: AsynchronousRedirectResponder.java,v 1.4 2006/10/11 07:39:13 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import org.apache.log4j.Logger;
+
+import at.knowcenter.wag.egov.egiz.PdfASID;
+import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+import at.knowcenter.wag.egov.egiz.exceptions.ErrorCodeException;
+import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
+import at.knowcenter.wag.egov.egiz.framework.Signator;
+import at.knowcenter.wag.egov.egiz.framework.SignatorFactory;
+import at.knowcenter.wag.egov.egiz.sig.ConnectorFactory;
+import at.knowcenter.wag.egov.egiz.sig.SignatureResponse;
+import at.knowcenter.wag.egov.egiz.sig.connectors.BKUConnector;
+
+/**
+ * Servlet that responds to the redirect requests of the local service (e.g.
+ * BKU).
+ * 
+ * @author wprinz
+ */
+public class AsynchronousRedirectResponder extends HttpServlet
+{
+
+  /**
+   * SVUID.
+   */
+  private static final long serialVersionUID = -682360466333727236L;
+
+  /**
+   * The logger definition.
+   */
+  private static final Logger logger_ = ConfigLogger.getLogger(AsynchronousRedirectResponder.class);
+
+  protected void dispatch(HttpServletRequest request,
+      HttpServletResponse response, String resource) throws ServletException, IOException
+  {
+    response.setContentType("text/html");
+    response.setCharacterEncoding("UTF-8");
+
+    RequestDispatcher disp = getServletContext().getRequestDispatcher(resource);
+    disp.forward(request, response);
+  }
+
+  protected void dispatchToResults(List results, HttpServletRequest request,
+      HttpServletResponse response) throws ServletException, IOException
+  {
+    request.setAttribute("results", results);
+    dispatch(request, response, "/jsp/results.jsp");
+  }
+  
+  protected void dispatchToRedirectRefreshPage (HttpServletRequest request,
+      HttpServletResponse response, String refresh_url) throws ServletException, IOException
+  {
+    request.setAttribute("refresh_url", refresh_url);
+    dispatch(request, response, LocalRequestHelper.REDIRECT_REFRESH_PAGE_JSP);
+  }
+
+  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+    logger_.debug("AsyncRedirResp");
+    
+    SessionInformation si = null;
+    
+    HttpSession session = null;
+    try
+    {
+      session = request.getSession(false);
+      //String session_id_string = request.getParameter("session");
+      if (session == null)
+      {
+        throw new ErrorCodeException(600, "The session is missing.");
+      }
+
+      si = (SessionInformation) session.getAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION);
+//      long session_id = Long.parseLong(session_id_string);
+//      si = SessionTable.get(session_id);
+      if (si == null)
+      {
+        throw new ErrorCodeException(600, "The session is not found or is no longer valid.");
+      }
+
+    }
+    catch (PresentableException e)
+    {
+      e.printStackTrace();
+      Sign.prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+      
+      return;
+    }
+
+    try
+    {
+      if (si.finished == false)
+      {
+        String url = request.getRequestURL().toString();
+        logger_.debug("RequestURL = " + url);
+        String refresh_url = response.encodeURL(url);
+        logger_.debug("RefreshURL = " + refresh_url);
+        dispatchToRedirectRefreshPage(request, response, refresh_url);
+        return;
+      }
+
+      si.finished = false;
+
+      if (si.current_operation < si.requests.length)
+      {
+        LocalRequestHelper.prepareDispatchToLocalConnectionPage(si.requests[si.current_operation], request, response);
+        dispatch(request, response, LocalRequestHelper.LOCAL_CONNECTION_PAGE_JSP);
+        return;
+      }
+
+      // all requests have been carried out.
+      //session.removeAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION);
+      //SessionTable.remove(si.session_id);
+
+      BKUConnector local_conn = (BKUConnector) ConnectorFactory.createConnector(si.connector);
+
+      if (si.application.equals("verify"))
+      {
+        List results = new ArrayList();
+
+        for (int i = 0; i < si.response_string.length; i++)
+        {
+          SignatureResponse sig_resp = local_conn.analyzeVerifyResponse(si.response_string[i]);
+          results.add(sig_resp);
+        }
+
+        dispatchToResults(results, request, response);
+      }
+      else
+      {
+        //logger_.debug("AsyncRedirResponder: si.response_string[0] = " + si.response_string[0]);
+        logger_.debug("AsyncRedirResponder: si.current_op = " + si.current_operation);
+
+        if (si.response_string[0] == null)
+        {
+          String url = request.getRequestURL().toString();
+          logger_.debug("RequestURL = " + url);
+          String refresh_url = response.encodeURL(url);
+          logger_.debug("RefreshURL = " + refresh_url);
+          dispatchToRedirectRefreshPage(request, response, refresh_url);
+          return ;
+        }
+        
+        si.iui.signed_signature_object = local_conn.analyzeSignResponse(si.response_string[0], si.type);
+        
+        PdfASID algorithm = FormFields.translateSignatureModeToPdfASID(si.mode);
+        Signator signator = SignatorFactory.createSignator(algorithm);
+
+        si.sign_result = signator.finishSign(si.iui);
+
+        Sign.returnSignResponse(si, response);
+      }
+
+    }
+    catch (PresentableException e)
+    {
+      session.removeAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION);
+      //SessionTable.remove(si.session_id);
+
+      e.printStackTrace();
+      Sign.prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+    }
+
+  }
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/FormFields.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/FormFields.java
new file mode 100644
index 0000000..6331a54
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/FormFields.java
@@ -0,0 +1,210 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: FormFields.java,v 1.4 2006/10/11 07:39:13 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.Iterator;
+
+import javax.servlet.ServletException;
+
+import at.knowcenter.wag.egov.egiz.PdfASID;
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+import at.knowcenter.wag.egov.egiz.exceptions.ConnectorFactoryException;
+import at.knowcenter.wag.egov.egiz.exceptions.SettingsException;
+import at.knowcenter.wag.egov.egiz.framework.SignatorFactory;
+import at.knowcenter.wag.egov.egiz.sig.ConnectorFactory;
+import at.knowcenter.wag.egov.egiz.sig.ConnectorInformation;
+import at.knowcenter.wag.egov.egiz.sig.SignatureTypes;
+
+/**
+ * Helper class that provides methods and constants for creating and dealing
+ * with the various form fields.
+ * 
+ * @author wprinz
+ */
+public abstract class FormFields
+{
+  public static final String PARAMETER_FREE_TEXT_ENTRY = "freetext";
+
+  public static final String FIELD_UPLOAD = "upload";
+
+  public static final String FIELD_CONNECTOR = "connector";
+
+  public static final String FIELD_MODE = "mode";
+
+  public static final String FIELD_PREVIEW = "preview";
+
+  public static final String FIELD_RAW_DOCUMENT_TEXT = "raw_document_text";
+
+  public static final String FIELD_SIGNATURE_TYPE = "sig_type";
+
+  public static final String FIELD_VERIFY_WHICH = "verify_which";
+  
+  public static final String FIELD_DOWNLOAD = "download";
+
+  public static final String VALUE_TRUE = "true";
+
+  public static final String VALUE_FALSE = "false";
+
+  public static final String VALUE_MODE_BINARY = "binary";
+
+  public static final String VALUE_MODE_TEXTUAL = "textual";
+  
+  public static final String VALUE_MODE_DETACHED = "detached";
+
+  public static final String VALUE_VERIFY_WHICH_ALL = "all";
+  
+  public static final String VALUE_DOWNLOAD_INLINE = "inline";
+  
+  public static final String VALUE_DOWNLOAD_ATTACHMENT = "attachment";
+  
+  protected static final String STYLE_CLASS_FIELD = "field";
+
+  /**
+   * Translates the form field to a PDF-AS-ID.
+   * 
+   * @param signature_mode
+   *          The signator mode form field.
+   * @return Returns the corresponding PDFASID.
+   */
+  protected static PdfASID translateSignatureModeToPdfASID(String signature_mode)
+  {
+    if (signature_mode.equals(VALUE_MODE_BINARY))
+    {
+      return SignatorFactory.MOST_RECENT_BINARY_SIGNATOR_ID;
+    }
+    if (signature_mode.equals(VALUE_MODE_TEXTUAL))
+    {
+      return SignatorFactory.MOST_RECENT_TEXTUAL_SIGNATOR_ID;
+    }
+    if (signature_mode.equals(VALUE_MODE_DETACHED))
+    {
+      return SignatorFactory.MOST_RECENT_DETACHED_SIGNATOR_ID;
+    }
+    return null;
+  }
+
+  /**
+   * Generates the HTML snippet of a FIELD_CONNECTOR select box that allows to
+   * choose a connector.
+   * 
+   * @return Returns the HTML snippet.
+   * @throws SettingsException
+   *           Forwarded exception.
+   * @throws ConnectorFactoryException
+   *           Forwarded exception.
+   */
+  public static String generateConnectorSelectBox() throws SettingsException, ConnectorFactoryException
+  {
+    StringWriter sw = new StringWriter();
+    PrintWriter writer = new PrintWriter(sw);
+
+    writer.println("<select name=\"" + FIELD_CONNECTOR + "\" class=\"" + STYLE_CLASS_FIELD + "\">");
+
+    SettingsReader settings = SettingsReader.getInstance();
+    String default_connector = settings.getValueFromKey(SignatureTypes.DEFAULT_TYPE);
+
+    ConnectorInformation ci[] = ConnectorFactory.getConnectorInformationArray();
+
+    for (int i = 0; i < ci.length; i++)
+    {
+      String id = ci[i].getIdentifier();
+      if (!ConnectorFactory.isAvailableForWeb(id))
+      {
+        continue;
+      }
+      
+      writer.print("<option value=\"" + id + "\"");
+      if (id.equals(default_connector))
+      {
+        writer.print(" selected=\"selected\"");
+      }
+      writer.println(">" + ci[i].getDescription() + "</option>");
+    }
+
+    writer.println("</select>");
+
+    return sw.toString();
+  }
+
+  /**
+   * Generates a HTML snippet of a FIELD_SIGNATURE_TYPE select box that allows
+   * to choose the signature type.
+   * 
+   * @return Returns the HTML snippet.
+   * @throws ServletException
+   *           Forwarded exception.
+   */
+  public static String generateTypeSelectBox() throws ServletException
+  {
+    try
+    {
+      StringWriter sw = new StringWriter();
+      PrintWriter writer = new PrintWriter(sw);
+
+      SettingsReader settings = SettingsReader.getInstance();
+      SignatureTypes sig_types = SignatureTypes.getInstance();
+
+      // SettingsReader settings = null;
+      // SignatureTypes sig_types = null;
+      // try
+      // {
+      // settings = SettingsReader.getInstance();
+      // sig_types = SignatureTypes.getInstance();
+      // }
+      // catch (IOException e)
+      // {
+      // String log_message = "Can not load signature settings. Cause:\n" +
+      // e.getMessage();
+      // logger_.error(log_message);
+      // req.setAttribute("error", "Das System konnte nicht gestartet werden.");
+      // req.setAttribute("cause", "Die Konfiguration ist fehlerhaft oder konnte
+      // nicht geladen werden.");
+      // dispatch(req, res, "/jsp/error.jsp");
+      // }
+
+      ArrayList types_array = sig_types.getSignatureTypes();
+      Iterator type_it = types_array.iterator();
+
+      String default_type = settings.getValueFromKey(SignatureTypes.DEFAULT_TYPE);
+
+      writer.println("<select class=\"" + STYLE_CLASS_FIELD + "\" name=\"" + FIELD_SIGNATURE_TYPE + "\">");
+
+      while (type_it.hasNext())
+      {
+        String type = (String) type_it.next();
+        String descr_key = SignatureTypes.SIG_OBJ + type + "." + SignatureTypes.SIG_DESCR;
+        String type_descr = settings.getValueFromKey(descr_key);
+
+        writer.println("<option value=\"" + type + "\" " + (type.equals(default_type) ? "selected=\"selected\"" : "") + ">" + type_descr + "</option>");
+
+      }
+
+      writer.println("</select>");
+
+      return sw.toString();
+    }
+    catch (Exception e)
+    {
+      throw new ServletException(e);
+    }
+  }
+
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/LocalRequest.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/LocalRequest.java
new file mode 100644
index 0000000..d3c24a7
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/LocalRequest.java
@@ -0,0 +1,80 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: LocalRequest.java,v 1.2 2006/08/25 17:06:11 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.Serializable;
+
+/**
+ * Encapsulates a local request, basicall an URL where the local request is sent
+ * to and a request string.
+ * 
+ * @author wprinz
+ */
+public class LocalRequest implements Serializable
+{
+
+  /**
+   * SVUID.
+   */
+  private static final long serialVersionUID = -3734904043231861998L;
+
+  /**
+   * The URL the local request sould be directed at.
+   */
+  protected String url_;
+
+  /**
+   * The request string to be sent to that URL.
+   */
+  protected String request_string_;
+
+  /**
+   * Constructor that initializes the URL and request string.
+   * 
+   * @param url
+   *          The URL the local request sould be directed at.
+   * @param request_string
+   *          The request string to be sent to that URL.
+   */
+  public LocalRequest(String url, String request_string)
+  {
+    this.url_ = url;
+    this.request_string_ = request_string;
+  }
+
+  /**
+   * Returns the URL.
+   * 
+   * @return Returns the URL.
+   */
+  public String getUrl()
+  {
+    return url_;
+  }
+
+  /**
+   * Returns the request string.
+   * 
+   * @return Returns the request string.
+   */
+  public String getRequestString()
+  {
+    return request_string_;
+  }
+
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/LocalRequestHelper.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/LocalRequestHelper.java
new file mode 100644
index 0000000..50bea41
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/LocalRequestHelper.java
@@ -0,0 +1,226 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: LocalRequestHelper.java,v 1.6 2006/10/31 08:22:04 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import at.knowcenter.wag.egov.egiz.exceptions.ConnectorFactoryException;
+import at.knowcenter.wag.egov.egiz.exceptions.NormalizeException;
+import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
+import at.knowcenter.wag.egov.egiz.exceptions.SignatureException;
+import at.knowcenter.wag.egov.egiz.pdf.SignatureHolder;
+import at.knowcenter.wag.egov.egiz.sig.ConnectorFactory;
+import at.knowcenter.wag.egov.egiz.sig.LocalConnector;
+
+/**
+ * Contains commonly used helper functions for the local request procedure.
+ * 
+ * @author wprinz
+ */
+public abstract class LocalRequestHelper
+{
+  /**
+   * The resource of the local connection page jsp.
+   */
+  public static final String LOCAL_CONNECTION_PAGE_JSP = "/jsp/local_connection_page.jsp";
+  
+  /**
+   * The resource of the redirect refresh page jsp.
+   */
+  public static final String REDIRECT_REFRESH_PAGE_JSP = "/jsp/redirect_refresh_page.jsp";
+  
+  /**
+   * Sets up the local sign procedure.
+   * 
+   * @param response
+   *          The HttpServletResponse the local request page is written to.
+   * @throws IOException
+   *           Forwarded exception.
+   * @throws PresentableException
+   *           Forwarded exception.
+   */
+  public static void processLocalSign(SessionInformation si,
+      HttpServletRequest request, HttpServletResponse response) throws IOException, PresentableException
+  {
+    LocalConnector local_conn = (LocalConnector) ConnectorFactory.createConnector(si.connector);
+
+    String document_text = si.iui.document_text;
+    String request_string = local_conn.prepareSignRequest(si.user_name, document_text, si.type);
+    String request_url = local_conn.getSignURL(si.type);
+
+    LocalRequest local_request = new LocalRequest(request_url, request_string);
+    List local_requests = new ArrayList();
+    local_requests.add(local_request);
+
+    // ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    // ObjectOutputStream oos = new ObjectOutputStream(baos);
+    // oos.writeObject(local_requests);
+    // oos.close();
+    // baos.close();
+
+    si.requests = new LocalRequest[1];
+    si.requests[0] = new LocalRequest(local_conn.getSignURL(si.type), request_string);
+    si.current_operation = 0;
+    si.response_string = new String[1];
+    si.response_string[0] = null;
+
+    // SessionTable.put(si);
+    request.getSession().setAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION, si);
+
+    // byte [] requests_bytes = baos.toByteArray();
+    // String base64 = CodingHelper.encodeBase64(requests_bytes);
+
+    LocalRequestHelper.prepareDispatchToLocalConnectionPage(si.requests[0], request, response);
+  }
+
+  /**
+   * Sets up the local verify procedure.
+   * 
+   * @param response
+   *          The HttpServletResponse the local request page is written to.
+   * @throws SignatureException
+   *           Forwarded exception.
+   * @throws NormalizeException
+   *           Forwarded exception.
+   * @throws IOException
+   *           Forwarded exception.
+   * @throws ConnectorFactoryException
+   *           Forwarded exception.
+   */
+  public static void processLocalVerify(SessionInformation si,
+      List holders_to_verify, HttpServletRequest request,
+      HttpServletResponse response) throws SignatureException, NormalizeException, IOException, ConnectorFactoryException
+  {
+    si.requests = new LocalRequest[holders_to_verify.size()];
+    si.response_string = new String[si.requests.length];
+    si.current_operation = 0;
+    si.finished = false;
+
+    request.getSession().setAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION, si);
+    // SessionTable.put(si);
+
+    LocalConnector local_conn = (LocalConnector) ConnectorFactory.createConnector(si.connector);
+
+    for (int i = 0; i < si.requests.length; i++)
+    {
+      SignatureHolder holder = (SignatureHolder) holders_to_verify.get(i);
+
+      String text_to_be_verified = holder.getSignedText();
+      // Normalizer normalizer = new Normalizer();
+      // String normalized = normalizer.normalize(holder.signed_text);
+
+      String request_string = local_conn.prepareVerifyRequest(text_to_be_verified, holder.getSignatureObject());
+
+      LocalRequest local_request = new LocalRequest(local_conn.getVerifyURL(holder.getSignatureObject().getSignationType()), request_string);
+      si.requests[i] = local_request;
+      si.response_string[i] = null;
+    }
+
+    // ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    // ObjectOutputStream oos = new ObjectOutputStream(baos);
+    // oos.writeObject(local_requests);
+    // oos.close();
+    // baos.close();
+
+    // byte [] requests_bytes = baos.toByteArray();
+    // String base64 = CodingHelper.encodeBase64(requests_bytes);
+
+    prepareDispatchToLocalConnectionPage(si.requests[0], request, response);
+  }
+
+  /**
+   * Formats the OK response from the web application back to the local BKU.
+   * 
+   * <p>
+   * As stated in the BKU tutorial, this response must be plain text "<ok/>".
+   * Otherwise BKU will assume a failure.
+   * </p>
+   * 
+   * @param response
+   *          The HttpServletResponse to answer to.
+   * @throws IOException
+   *           Forwarded exception.
+   */
+  protected static void formatBKUOkResponse(HttpServletResponse response) throws IOException
+  {
+    response.setContentType("text/plain");
+    response.setCharacterEncoding("ISO-8859-1");
+
+    response.getWriter().println("<ok/>");
+  }
+
+  /**
+   * Prepares the dispatch to the local data connection page.
+   * 
+   * <p>
+   * The calling servlet just has to dispatch to the jsp after calling this
+   * method.
+   * </p>
+   * 
+   * @param local_request
+   *          The local request. Basically this contains the local service's
+   *          target URL and the XML request string.
+   * @param response
+   *          The HttpServletResponse to write this page to.
+   * @throws IOException
+   *           Forwarded exception.
+   * @throws SignatureException
+   *           Forwarded exception.
+   * @throws NormalizeException
+   *           Forwarded exception.
+   */
+  public static void prepareDispatchToLocalConnectionPage(
+      LocalRequest local_request, HttpServletRequest request,
+      HttpServletResponse response) throws IOException, SignatureException, NormalizeException
+  {
+    response.setContentType("text/html");
+    response.setCharacterEncoding("UTF-8");
+
+    String local_request_url = local_request.getUrl();
+
+    String quoted_request = makeStringHTMLReady(local_request.getRequestString());
+
+    String host = request.getServerName(); // "129.27.153.77"
+    URL data_URL = new URL(request.getScheme(), host, request.getServerPort(), request.getContextPath() + "/AsynchronousDataResponder");
+    String data_url = response.encodeURL(data_URL.toString());
+    URL redirect_URL = new URL(request.getScheme(), host, request.getServerPort(), request.getContextPath() + "/AsynchronousRedirectResponder");
+    String redirect_url = response.encodeURL(redirect_URL.toString());
+
+    request.setAttribute("local_request_url", local_request_url);
+    request.setAttribute("quoted_request", quoted_request);
+    request.setAttribute("data_url", data_url);
+    request.setAttribute("redirect_url", redirect_url);
+  }
+
+  public static String makeStringHTMLReady(String input)
+  {
+    String output = input;
+
+    output = output.replaceAll("&", "&amp;");
+    output = output.replaceAll("\"", "&quot;");
+    output = output.replaceAll("<", "&lt;");
+    output = output.replaceAll(">", "&gt;");
+    return output;
+  }
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/PdfASServletContextListener.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/PdfASServletContextListener.java
new file mode 100644
index 0000000..fab3e04
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/PdfASServletContextListener.java
@@ -0,0 +1,76 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: PdfASServletContextListener.java,v 1.3 2006/10/31 08:22:04 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+import org.apache.log4j.Logger;
+
+import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+
+/**
+ * The ServletContextListener is notified when the webapplication starts up and shuts down.
+ * 
+ * <p>
+ * Maintainance work is performed.
+ * </p>
+ * 
+ * @author wprinz
+ */
+public class PdfASServletContextListener implements ServletContextListener
+{
+  /**
+   * The logger.
+   */
+  private static final Logger logger = ConfigLogger.getLogger(PdfASServletContextListener.class);
+
+  /**
+   * @see javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
+   */
+  public void contextInitialized(ServletContextEvent arg0)
+  {
+    logger.info("PDF-AS Context init");
+    String base_dir = arg0.getServletContext().getRealPath("/");
+    try
+    {
+      logger.info("PDF-AS base directory = " + new File(base_dir).getCanonicalPath());
+    }
+    catch (IOException e)
+    {
+      e.printStackTrace();
+    }
+    
+    SettingsReader.initializeForWeb(base_dir);
+    
+    SettingsReader.clearTemporaryDirectory();
+  }
+
+  /**
+   * @see javax.servlet.ServletContextListener#contextDestroyed(javax.servlet.ServletContextEvent)
+   */
+  public void contextDestroyed(ServletContextEvent arg0)
+  {
+    SettingsReader.clearTemporaryDirectory();
+    logger.info("PDF-AS Context exit");
+  }
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/SessionAttributes.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/SessionAttributes.java
new file mode 100644
index 0000000..02b6855
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/SessionAttributes.java
@@ -0,0 +1,46 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: SessionAttributes.java,v 1.2 2006/08/25 17:06:11 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+/**
+ * Helper class that provides constants for the session attributes.
+ * 
+ * @author wprinz
+ */
+public abstract class SessionAttributes
+{
+
+  /**
+   * The user name.
+   */
+  public static final String ATTRIBUTE_USER_NAME = "uname";
+
+  /**
+   * The user password.
+   */
+  public static final String ATTRIBUTE_USER_PASSWORD = "upass";
+
+  /**
+   * The attribute name under which the SessionInformation object is stored.
+   * 
+   * <p>
+   * The SessionInformation class contains type safe references to the objects.
+   * </p>
+   */
+  public static final String ATTRIBUTE_SESSION_INFORMATION = "session_information";
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/SessionInformation.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/SessionInformation.java
new file mode 100644
index 0000000..f3c34d3
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/SessionInformation.java
@@ -0,0 +1,126 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: SessionInformation.java,v 1.2 2006/08/25 17:06:11 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.Serializable;
+import java.util.List;
+
+import at.knowcenter.wag.egov.egiz.framework.SignResult;
+import at.knowcenter.wag.egov.egiz.pdf.IncrementalUpdateInformation;
+
+/**
+ * This class is a collection of various session parameters that are passed
+ * between the servlets and jsps.
+ * 
+ * <p>
+ * The SessionInformation class contains type safe references to the objects.
+ * </p>
+ * 
+ * @author wprinz
+ */
+public class SessionInformation implements Serializable
+{
+
+  /**
+   * SVUID.
+   */
+  private static final long serialVersionUID = -7413884936584659150L;
+
+  // public long session_id = -1;
+
+  /**
+   * The connector.
+   */
+  public String connector = null;
+
+  /**
+   * For local requests, tells the application (sign, verify).
+   */
+  public String application = null;
+
+  /**
+   * Tells the operation mode (binary, textual).
+   */
+  public String mode = null;
+
+  /**
+   * The original, uploaded pdf.
+   */
+  public byte[] pdf = null;
+
+  /**
+   * The type/profile of the signature.
+   */
+  public String type = null;
+
+  /**
+   * The user name.
+   */
+  public String user_name = null;
+
+  /**
+   * The password.
+   */
+  public String user_password = null;
+
+  /**
+   * An array of local requests to be processed.
+   */
+  public LocalRequest[] requests = null;
+
+  /**
+   * The index of the local request to be processed next.
+   */
+  public int current_operation = 0;
+
+  /**
+   * An array of response strings of the local requests.
+   */
+  public String[] response_string = null;
+
+  /**
+   * Tells, if the current local request has been finished.
+   */
+  public boolean finished = false;
+
+  /**
+   * The incremental update information that has been extracted from the given
+   * PDF document.
+   */
+  public IncrementalUpdateInformation iui;
+
+  /**
+   * The signature holders.
+   */
+  public List signature_holders;
+
+  /**
+   * The suggested filename.
+   */
+  public String filename;
+
+  /**
+   * Tells, if the file download should be done inline or as attachment.
+   */
+  public boolean download_inline;
+
+  /**
+   * The sign result to be passed back to the user.
+   */
+  public SignResult sign_result;
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/SessionTable.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/SessionTable.java
new file mode 100644
index 0000000..4d0ba21
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/SessionTable.java
@@ -0,0 +1,94 @@
+/**
+ * 
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+
+/**
+ * This class contains the session table that is used for local requests.
+ * 
+ * @author wprinz
+ */
+public abstract class SessionTable
+{
+  // Session table no longer needed - because J2EE Servlet sessions are used.
+  
+//  /**
+//   * The HashMap for mapping the session id to the SessionInformation object on
+//   * the server.
+//   */
+//  protected static Map session_table = new HashMap();
+//
+//  /**
+//   * The random number generator used to generate session_ids.
+//   */
+//  protected static Random random = new Random();
+//
+//  /**
+//   * Generates a new SessionInformation object with a unique session_id.
+//   * 
+//   * <p>
+//   * The object has to be added to the session table by using put().
+//   * </p>
+//   * 
+//   * @return Returns the generated SessionInformation object.
+//   * 
+//   * @see #put(SessionInformation)
+//   */
+//  public static SessionInformation generateSessionInformationObject()
+//  {
+//    SessionInformation si = new SessionInformation();
+//    si.session_id = random.nextLong();
+//
+//    return si;
+//  }
+//
+//  /**
+//   * Puts the SessionInformation object into the session table.
+//   * 
+//   * @param si
+//   *          The SessionInformation object. The session_id field must be filled
+//   *          out properly.
+//   */
+//  public static void put(SessionInformation si)
+//  {
+//    session_table.put(new Long(si.session_id), si);
+//  }
+//
+//  /**
+//   * Gets the SessionInformation object associated with the given session_id.
+//   * 
+//   * @param session_id
+//   *          The session_id.
+//   * @return Returns the corresponding SessionInformation object or null, if no
+//   *         object is associated with that id.
+//   */
+//  public static SessionInformation get(final long session_id)
+//  {
+//    return (SessionInformation) session_table.get(new Long(session_id));
+//  }
+//
+//  /**
+//   * Removes the SessionInformation object with the provided session_id from the
+//   * session table.
+//   * 
+//   * @param session_id
+//   *          The session_id to be removed.
+//   */
+//  public static void remove(long session_id)
+//  {
+//    session_table.remove(new Long(session_id));
+//  }
+//
+//  /**
+//   * Simply clear the session table.
+//   * 
+//   * <p>
+//   * This should be used once in a while to tie up some loose ends.
+//   * </p>
+//   */
+//  public static void clear()
+//  {
+//    session_table.clear();
+//  }
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/Sign.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/Sign.java
new file mode 100644
index 0000000..a3ded84
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/Sign.java
@@ -0,0 +1,525 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: Sign.java,v 1.7 2006/10/11 07:39:13 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.Serializable;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.FileUploadException;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+import org.apache.log4j.Logger;
+
+import at.knowcenter.wag.egov.egiz.PdfAS;
+import at.knowcenter.wag.egov.egiz.PdfASID;
+import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+import at.knowcenter.wag.egov.egiz.exceptions.ErrorCodeException;
+import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
+import at.knowcenter.wag.egov.egiz.exceptions.PlaceholderException;
+import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
+import at.knowcenter.wag.egov.egiz.framework.SignResult;
+import at.knowcenter.wag.egov.egiz.framework.Signator;
+import at.knowcenter.wag.egov.egiz.framework.SignatorFactory;
+import at.knowcenter.wag.egov.egiz.framework.signators.DetachedSignator_1_0_0;
+import at.knowcenter.wag.egov.egiz.sig.ConnectorFactory;
+import at.knowcenter.wag.egov.egiz.tools.CodingHelper;
+
+/**
+ * This method is the sign servlet for the pdf-as web application. It takes get
+ * and post requests fill out jsp templates and give the user feedback about the
+ * results of the sign process
+ * 
+ * @author wlackner
+ * @author wprinz
+ */
+public class Sign extends HttpServlet
+{
+
+  /**
+   * SVUID.
+   */
+  private static final long serialVersionUID = -4156938216903740438L;
+
+  /**
+   * Authorisation marker for the http header string.
+   */
+  protected static final String AUTH = "authorization";
+
+  /**
+   * Authorisation marker for the http header string.
+   */
+  protected static final String AUTH_BASIC = "Basic";
+
+  /**
+   * The logger.
+   */
+  private static final Logger logger_ = ConfigLogger.getLogger(Sign.class);
+
+  protected void dispatch(HttpServletRequest request,
+      HttpServletResponse response, String resource) throws ServletException, IOException
+  {
+    dispatch(request, response, resource, getServletContext());
+  }
+
+  protected static void dispatch(HttpServletRequest request,
+      HttpServletResponse response, String resource, ServletContext context) throws ServletException, IOException
+  {
+    response.setContentType("text/html");
+    response.setCharacterEncoding("UTF-8");
+
+    RequestDispatcher disp = context.getRequestDispatcher(resource);
+    disp.forward(request, response);
+  }
+
+  public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+    String authenticate = request.getHeader(AUTH);
+    if (authenticate != null)
+    {
+      logger_.info("authenticate:" + authenticate);
+      if (authenticate.indexOf(AUTH_BASIC) == 0)
+      {
+        authenticate = authenticate.substring(AUTH_BASIC.length() + 1);
+        logger_.info("authenticate:" + authenticate);
+        authenticate = new String(CodingHelper.decodeBase64(authenticate), "UTF-8");
+        logger_.info("authenticate:" + authenticate);
+
+        String[] auth_value = authenticate.split(":");
+        String user_name = auth_value[0];
+        String user_password = auth_value[1];
+        logger_.info("username:" + user_name);
+        logger_.info("password:" + user_password);
+
+        HttpSession session = request.getSession();
+        session.setAttribute(SessionAttributes.ATTRIBUTE_USER_NAME, user_name);
+        session.setAttribute(SessionAttributes.ATTRIBUTE_USER_PASSWORD, user_password);
+
+        dispatch(request, response, "/jsp/signupload.jsp");
+        return;
+      }
+    }
+
+    request.setAttribute("error", "Falsche Authentifikation");
+    request.setAttribute("cause", "Passwort oder Benutzername ist falsch");
+    dispatch(request, response, "/jsp/error.jsp");
+  }
+
+  public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+    DiskFileItemFactory fif = new DiskFileItemFactory();
+    fif.setRepository(SettingsReader.getTemporaryDirectory());
+    ServletFileUpload sfu = new ServletFileUpload(fif);
+
+    try
+    {
+      List items = sfu.parseRequest(request);
+
+      FileItem preview_fi = null;
+      FileItem sig_type_fi = null;
+      FileItem sig_app_fi = null;
+      FileItem mode_fi = null;
+      FileItem file_upload_fi = null;
+      FileItem download_fi = null;
+
+      Iterator it = items.iterator();
+      while (it.hasNext())
+      {
+        FileItem item = (FileItem) it.next();
+        logger_.debug("item = " + item.getFieldName());
+
+        if (item.isFormField())
+        {
+          byte[] item_data = item.get();
+          String item_string = new String(item_data, "UTF-8");
+          logger_.debug("  form field string = " + item_string);
+        }
+        else
+        {
+          logger_.debug("  filename = " + item.getName());
+          logger_.debug("  filesize = " + item.getSize());
+        }
+
+        if (item.getFieldName().equals(FormFields.FIELD_PREVIEW))
+        {
+          preview_fi = item;
+          continue;
+        }
+
+        if (item.getFieldName().equals(FormFields.FIELD_SIGNATURE_TYPE))
+        {
+          sig_type_fi = item;
+          continue;
+        }
+
+        if (item.getFieldName().equals(FormFields.FIELD_CONNECTOR))
+        {
+          sig_app_fi = item;
+          continue;
+        }
+
+        if (item.getFieldName().equals(FormFields.FIELD_MODE))
+        {
+          mode_fi = item;
+          continue;
+        }
+
+        if (item.getFieldName().equals(FormFields.FIELD_UPLOAD))
+        {
+          file_upload_fi = item;
+          continue;
+        }
+
+        if (item.getFieldName().equals(FormFields.FIELD_DOWNLOAD))
+        {
+          download_fi = item;
+          continue;
+        }
+
+        throw new ServletException("unrecognized POST data.");
+
+      }
+
+      if (preview_fi == null || sig_type_fi == null || sig_app_fi == null || file_upload_fi == null || download_fi == null)
+      {
+        throw new ServletException("Unsufficient data provided in request");
+      }
+
+      String mode = mode_fi.getString("UTF-8");
+      if (!mode.equals(FormFields.VALUE_MODE_BINARY) && !mode.equals(FormFields.VALUE_MODE_TEXTUAL) && !mode.equals(FormFields.VALUE_MODE_DETACHED))
+      {
+        throw new ServletException("The mode '" + mode + "' is unrecognized.");
+      }
+
+      String preview_str = preview_fi.getString("UTF-8");
+      boolean preview = false;
+      if (preview_str.equals("true"))
+      {
+        preview = true;
+      }
+
+      boolean download_inline = true;
+      if (download_fi.getString("UTF-8").equals(FormFields.VALUE_DOWNLOAD_ATTACHMENT))
+      {
+        download_inline = false;
+      }
+
+      String sig_type = sig_type_fi.getString("UTF-8");
+      String connector = sig_app_fi.getString("UTF-8");
+
+      String doc_file_name = file_upload_fi.getName();
+      logger_.debug("  file content type =" + file_upload_fi.getContentType());
+
+      String extension = Verify.extractExtension(doc_file_name);
+      if (extension != null && !extension.equals("pdf"))
+      {
+        throw new PDFDocumentException(201, "The provided file '" + doc_file_name + "' doesn't have the PDF extension (.pdf).");
+      }
+
+      byte[] pdf = file_upload_fi.get();
+      if (file_upload_fi.getSize() <= 0)
+      {
+        throw new PDFDocumentException(250, "The document is empty.");
+      }
+      PdfAS.applyStrictMode(pdf);
+
+      String user_name = (String) request.getSession().getAttribute(SessionAttributes.ATTRIBUTE_USER_NAME);
+      String user_password = (String) request.getSession().getAttribute(SessionAttributes.ATTRIBUTE_USER_PASSWORD);
+
+      SessionInformation si = new SessionInformation(); // SessionTable.generateSessionInformationObject();
+      si.connector = connector;
+      si.application = "sign";
+      si.mode = mode;
+      si.pdf = pdf;
+      si.type = sig_type;
+      si.user_name = user_name;
+      si.user_password = user_password;
+      si.filename = formatFileName(file_upload_fi.getName());
+      si.download_inline = download_inline;
+
+      prepareSign(si);
+
+      if (preview)
+      {
+        request.getSession().setAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION, si);
+
+        String submit_url = response.encodeURL(request.getContextPath() + "/SignPreview");
+
+        request.setAttribute("submit_url", submit_url);
+
+        dispatch(request, response, "/jsp/signpreview.jsp");
+
+        return;
+      }
+
+      finishSign(si, request, response, getServletContext());
+    }
+    catch (FileUploadException e)
+    {
+      request.setAttribute("error", "Fehler beim Upload der Daten");
+      request.setAttribute("cause", "Beim Upload der Daten ist ein Fehler aufgetreten.");
+      dispatch(request, response, "/jsp/error.jsp");
+    }
+    catch (PresentableException e)
+    {
+      e.printStackTrace();
+      prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+    }
+  }
+
+  public static void prepareSign(SessionInformation si) throws PresentableException
+  {
+    PdfASID algorithm = FormFields.translateSignatureModeToPdfASID(si.mode);
+    Signator signator = SignatorFactory.createSignator(algorithm);
+    si.iui = signator.prepareSign(si.pdf, si.type, null, ConnectorFactory.needsSIG_ID(si.connector));
+  }
+
+  public static void finishSign(SessionInformation si,
+      HttpServletRequest request, HttpServletResponse response, ServletContext context) throws PresentableException, IOException, ServletException
+  {
+    if (ConnectorFactory.isConnectorLocal(si.connector))
+    {
+      LocalRequestHelper.processLocalSign(si, request, response);
+      dispatch(request, response, LocalRequestHelper.LOCAL_CONNECTION_PAGE_JSP, context);
+      return;
+    }
+
+    PdfASID algorithm = FormFields.translateSignatureModeToPdfASID(si.mode);
+    Signator signator = SignatorFactory.createSignator(algorithm);
+
+    si.iui.signed_signature_object = PdfAS.sign(si.iui.document_text, si.type, si.connector, si.user_name, si.user_password);
+
+    si.sign_result = signator.finishSign(si.iui);
+
+    returnSignResponse(si, response);
+  }
+
+  public static void prepareDispatchToErrorPage(PresentableException pe,
+      HttpServletRequest request)
+  {
+    if (pe instanceof ErrorCodeException)
+    {
+      ErrorCodeException ece = (ErrorCodeException) pe;
+      request.setAttribute("error", "Fehler " + ece.getErrorCode());
+
+      String cause = ece.getErrorCodeMessage();
+      if (ece.hasExternalErrorMessage())
+      {
+        cause = ece.getExternalErrorCode() + ": " + ece.getExternalErrorMessage();
+      }
+      request.setAttribute("cause", cause);
+
+      if (pe instanceof PlaceholderException)
+      {
+        PlaceholderException phe = (PlaceholderException) ece;
+
+        request.setAttribute("cause", "Der Platzhalter des Feldes " + phe.getField() + " ist um " + phe.getMissing() + " Bytes zu kurz. " + ece.getErrorCodeMessage());
+      }
+    }
+    else
+    {
+      request.setAttribute("error", "PresentableException");
+      request.setAttribute("cause", pe.toString());
+    }
+  }
+
+  public void dispatchToPreview(String document_text, String connector,
+      String mode, String signature_type, String submit_url,
+      HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+    request.setAttribute("document_text", document_text);
+    request.setAttribute("connector", connector);
+    request.setAttribute("mode", mode);
+    request.setAttribute("signature_type", signature_type);
+    request.setAttribute("submit_url", submit_url);
+
+    dispatch(request, response, "/jsp/signpreview.jsp");
+  }
+
+  // public static void formatPreview(String document_text, String connector,
+  // String mode, String signature_type, String submit_url,
+  // HttpServletResponse response) throws ServletException, IOException
+  // {
+  // response.setContentType("text/html");
+  // response.setCharacterEncoding("UTF-8");
+  //
+  // PrintWriter writer = response.getWriter();
+  //
+  // writer.println("<html>");
+  // writer.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0
+  // Transitional//EN\"
+  // \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">");
+  // writer.println("<html>");
+  // writer.println("<head>");
+  // writer.println("<meta http-equiv=\"content-type\" content=\"text/html;
+  // charset=UTF-8\" />");
+  // writer.println("<title>PDF-AS Amtssignaturen Vorschau</title>");
+  // writer.println("<link rel=\"stylesheet\" type=\"text/css\"
+  // href=\"/pdf-as/css/styles.css\" />");
+  // writer.println("</head>");
+  //
+  // writer.println("<body>");
+  // writer.println("<div>");
+  //
+  // writer.println("<h1>PDF-AS Amtssignaturen</h1>");
+  //
+  // writer.println("<div id=\"nav\">");
+  // writer.println("<div id=\"nh\">Vorschau: Dokument Pr&uuml;fen</div>");
+  // writer.println("<form action=\"" + submit_url + "\"");
+  // writer.println(" name=\"submitform\"");
+  // writer.println(" enctype=\"multipart/form-data\"");
+  // writer.println(" accept-charset=\"UTF-8\"");
+  // writer.println(" method=\"post\">");
+  // writer.println("<div id=\"ct\">");
+  //
+  // writer.println("<input type=\"hidden\" name=\"" + FormFields.FIELD_PREVIEW
+  // + "\" value=\"" + FormFields.VALUE_FALSE + "\" />");
+  // writer.println("<input type=\"hidden\" name=\"" +
+  // FormFields.FIELD_SIGNATURE_TYPE + "\" value=\"" + signature_type + "\"
+  // />");
+  // writer.println("<input type=\"hidden\" name=\"" +
+  // FormFields.FIELD_CONNECTOR + "\" value=\"" + connector + "\" />");
+  // writer.println("<input type=\"hidden\" name=\"" + FormFields.FIELD_MODE +
+  // "\" value=\"" + mode + "\" />");
+  // writer.println("<input type=\"hidden\" name=\"" + "after_preview" + "\"
+  // value=\"" + "yes" + "\" />");
+  //
+  // writer.println("<textarea class=\"pr\" cols=\"80\" rows=\"14\" name=\"" +
+  // FormFields.FIELD_UPLOAD + "\" readonly=\"readonly\">" + document_text +
+  // "</textarea>");
+  // writer.println("<br/>");
+  //
+  // writer.println("<input class=\"ip\" type=\"submit\" value=\"Signieren...\"
+  // />");
+  //
+  // writer.println("</div>");
+  // writer.println("</form>");
+  // writer.println("</div>");
+  //
+  // writer.println("<a class=\"big\" href=\"/pdf-as/\">zur�ck</a>");
+  //
+  // writer.println("</div>");
+  // writer.println("</body>");
+  //
+  // writer.println("</html>");
+  // }
+
+  /**
+   * This class is just used to put the pdf byte array into the session.
+   * 
+   * @author wprinz
+   */
+  protected class SignPreviewInfo implements Serializable
+  {
+    /**
+     * SVUID.
+     */
+    private static final long serialVersionUID = 3102824040163616332L;
+
+    public byte[] pdf = null;
+
+    public String mode = null;
+  }
+
+  /**
+   * Formats the file name so that it is suitable for content disposition.
+   * 
+   * @param file_name
+   *          The file name.
+   * @return Returns the formatted file name.
+   */
+  public static String formatFileName(String file_name)
+  {
+    File file = new File(file_name);
+    String file_name_only = file.getName();
+    // the file_name contains \\ ==> remove them so Internet Explorer works
+    // correctly.
+    return file_name_only;
+  }
+
+  /**
+   * Formats the file name according to the SignResult.
+   * 
+   * @param file_name
+   *          The file name.
+   * @param sign_result
+   *          The sign result.
+   * @return Returns the formatted file name.
+   */
+  public static String formatFileNameForSignResult(String file_name,
+      SignResult sign_result)
+  {
+    String output = file_name + "_signed";
+    if (sign_result.getMimeType().equals(DetachedSignator_1_0_0.MIME_TYPE))
+    {
+      output += ".xml";
+    }
+    else
+    {
+      output += ".pdf";
+    }
+
+    return output;
+  }
+
+  /**
+   * Returns the data in the SignResult with proper content disposition.
+   * 
+   * @param si
+   *          SessionInformation.
+   * @param response
+   *          The servlet response.
+   * @throws IOException
+   *           The IO Exception.
+   */
+  public static void returnSignResponse(SessionInformation si,
+      HttpServletResponse response) throws IOException
+  {
+    SignResult sign_result = si.sign_result;
+    
+    String file_name = formatFileNameForSignResult(si.filename, sign_result);
+
+    // The name parameter is actually deprecated in favour of Content-Disposition filename
+    // Unfortunately Acrobat reader does recognize neither of these parameters
+    // with its inline save-as. It always takes the page name.
+    response.setContentType(sign_result.getMimeType() + "; name=\"" + file_name + "\"");
+    if (si.download_inline)
+    {
+      response.addHeader("Content-Disposition", "inline; filename=\"" + file_name + "\"");
+    }
+    else
+    {
+      response.addHeader("Content-Disposition", "attachment; filename=\"" + file_name + "\"");
+    }
+    response.getOutputStream().write(sign_result.getData());
+
+  }
+}
+\ No newline at end of file
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/SignPreview.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/SignPreview.java
new file mode 100644
index 0000000..1b32bdf
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/SignPreview.java
@@ -0,0 +1,105 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: SignPreview.java,v 1.2 2006/10/11 07:39:13 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.IOException;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import at.knowcenter.wag.egov.egiz.exceptions.ErrorCodeException;
+import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
+
+/**
+ * @author wprinz
+ */
+public class SignPreview extends HttpServlet
+{
+
+  /**
+   * SVUID.
+   */
+  private static final long serialVersionUID = -8818532511322299998L;
+
+  protected void dispatch(HttpServletRequest request,
+      HttpServletResponse response, String resource) throws ServletException, IOException
+  {
+    response.setContentType("text/html");
+    response.setCharacterEncoding("UTF-8");
+
+    RequestDispatcher disp = getServletContext().getRequestDispatcher(resource);
+    disp.forward(request, response);
+  }
+
+  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+    SessionInformation si = null;
+    HttpSession session = null;
+    try
+    {
+      session = request.getSession(false);
+      // String session_id_string = request.getParameter("session");
+      if (session == null)
+      {
+        throw new ErrorCodeException(600, "The session is missing.");
+      }
+
+      si = (SessionInformation) session.getAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION);
+      // long session_id = Long.parseLong(session_id_string);
+      // si = SessionTable.get(session_id);
+      if (si == null)
+      {
+        throw new ErrorCodeException(600, "The session is not found or is no longer valid.");
+      }
+
+    }
+    catch (PresentableException e)
+    {
+      e.printStackTrace();
+      Sign.prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+
+      return;
+    }
+
+    try
+    {
+      String preview = request.getParameter(FormFields.FIELD_PREVIEW);
+      if (preview != null && preview.equals(FormFields.VALUE_TRUE))
+      {
+        response.setContentType("application/pdf");
+        response.getOutputStream().write(si.iui.signed_pdf);
+        return;
+      }
+      else
+      {
+        Sign.finishSign(si, request, response, getServletContext());
+      }
+    }
+    catch (PresentableException e)
+    {
+      e.printStackTrace();
+      Sign.prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+    }
+  }
+}
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/Verify.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/Verify.java
new file mode 100644
index 0000000..a8a5a5b
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/Verify.java
@@ -0,0 +1,285 @@
+/*
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: Verify.java,v 1.7 2006/10/11 07:39:13 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.FileUploadException;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+import org.apache.log4j.Logger;
+
+import at.knowcenter.wag.egov.egiz.PdfAS;
+import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
+import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
+import at.knowcenter.wag.egov.egiz.framework.VerificationFilter;
+import at.knowcenter.wag.egov.egiz.sig.ConnectorFactory;
+
+/**
+ * This method is the verify servlet for the pdf-as web application. It takes
+ * get and post requests fill out jsp templates and give the user feedback about
+ * the results of the verify process.
+ * 
+ * @author wlackner
+ * @author wprinz
+ */
+public class Verify extends HttpServlet
+{
+
+  /**
+   * SVUID.
+   */
+  private static final long serialVersionUID = 309198792358636766L;
+
+  /**
+   * The logger.
+   */
+  private static final Logger logger_ = ConfigLogger.getLogger(Verify.class);
+
+  protected void dispatch(HttpServletRequest request,
+      HttpServletResponse response, String resource) throws ServletException, IOException
+  {
+    response.setContentType("text/html");
+    response.setCharacterEncoding("UTF-8");
+
+    RequestDispatcher disp = getServletContext().getRequestDispatcher(resource);
+    disp.forward(request, response);
+  }
+  
+  protected void dispatchToResults(List results, HttpServletRequest request,
+      HttpServletResponse response) throws ServletException, IOException
+  {
+    request.setAttribute("results", results);
+    dispatch(request, response, "/jsp/results.jsp");
+  }
+
+
+  public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+    dispatch(request, response, "/jsp/verifyupload.jsp");
+  }
+
+  public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+
+    DiskFileItemFactory fif = new DiskFileItemFactory();
+    fif.setRepository(SettingsReader.getTemporaryDirectory());
+    ServletFileUpload sfu = new ServletFileUpload(fif);
+
+    try
+    {
+
+      List items = sfu.parseRequest(request);
+
+      FileItem upload_fi = null;
+      FileItem connector_fi = null;
+//      FileItem mode_fi = null;
+      FileItem preview_fi = null;
+
+      {
+        Iterator it = items.iterator();
+        while (it.hasNext())
+        {
+          FileItem item = (FileItem) it.next();
+          logger_.debug("item = " + item.getFieldName());
+
+          if (item.isFormField())
+          {
+            byte[] item_data = item.get();
+            String item_string = new String(item_data, "UTF-8");
+            logger_.debug("  form field string = " + item_string);
+          }
+          else
+          {
+            logger_.debug("  filename = " + item.getName());
+            logger_.debug("  filesize = " + item.getSize());
+          }
+
+          if (item.getFieldName().equals(FormFields.FIELD_UPLOAD))
+          {
+            upload_fi = item;
+            continue;
+          }
+
+          if (item.getFieldName().equals(FormFields.FIELD_CONNECTOR))
+          {
+            connector_fi = item;
+            continue;
+          }
+
+//          if (item.getFieldName().equals(FormFields.FIELD_MODE))
+//          {
+//            mode_fi = item;
+//            continue;
+//          }
+
+          if (item.getFieldName().equals(FormFields.FIELD_PREVIEW))
+          {
+            preview_fi = item;
+            continue;
+          }
+
+          throw new ServletException("unrecognized POST data.");
+        }
+      }
+
+      if (upload_fi == null || connector_fi == null || /*mode_fi == null ||*/ preview_fi == null)
+      {
+        throw new ServletException("Unsufficient data provided in request.");
+      }
+
+      String connector = connector_fi.getString("UTF-8");
+
+//      String mode = mode_fi.getString("UTF-8");
+//      if (!mode.equals(FormFields.VALUE_MODE_BINARY) && !mode.equals(FormFields.VALUE_MODE_TEXTUAL))
+//      {
+//        throw new ServletException("The mode '" + mode + "' is unrecognized.");
+//      }
+
+      String preview_str = preview_fi.getString("UTF-8");
+      if (!preview_str.equals(FormFields.VALUE_TRUE) && !preview_str.equals(FormFields.VALUE_FALSE))
+      {
+        throw new ServletException("The preview '" + preview_str + "' is unrecognized.");
+      }
+      boolean preview = false;
+      if (preview_str.equals(FormFields.VALUE_TRUE))
+      {
+        preview = true;
+      }
+
+      // process the request
+      logger_.debug("file content type =" + upload_fi.getContentType());
+      logger_.debug("file size = " + upload_fi.getSize());
+      if (upload_fi.getSize() <= 0)
+      {
+        throw new PDFDocumentException(250, "The document is empty.");
+      }
+      byte[] document_bytes = upload_fi.get();
+
+      VerificationFilter vf = new VerificationFilter();
+      List signature_holders = null;
+      
+      String doc_file_name = upload_fi.getName();
+      String extension = extractExtension(doc_file_name);
+
+      String raw_text = null;
+      if (doc_file_name == null || (extension != null && extension.equals("txt")))
+      {
+        raw_text = new String(document_bytes, "UTF-8");
+        signature_holders = vf.extractSignaturesFromPlainText(raw_text);
+      }
+      else
+      {
+        signature_holders = vf.extractSignaturesFromPdf(document_bytes);
+      }
+
+      if (signature_holders.size() == 0)
+      {
+        throw new PDFDocumentException(206, "PDF document not signed.");
+      }
+
+      if (preview)
+      {
+        SessionInformation si = new SessionInformation();
+        si.application = "verify";
+        si.connector = connector;
+        si.signature_holders = signature_holders;
+        request.getSession().setAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION, si);
+
+        dispatch(request, response, "/jsp/verifylist.jsp");
+        //VerifyPreview.formatPreview(signature_holders, connector, request, response);
+      }
+      else
+      {
+        if (ConnectorFactory.isConnectorLocal(connector))
+        {
+          SessionInformation si = new SessionInformation(); //SessionTable.generateSessionInformationObject();
+          si.connector = connector;
+          si.application = "verify";
+          si.mode = null;
+          si.pdf = null;
+          si.type = null;
+          si.user_name = null;
+          si.user_password = null;
+          
+          si.signature_holders = signature_holders;
+
+          LocalRequestHelper.processLocalVerify(si, si.signature_holders, request, response);
+          dispatch(request, response, LocalRequestHelper.LOCAL_CONNECTION_PAGE_JSP);
+          return;
+        }
+
+        List results = PdfAS.verifySignatureHolders(signature_holders, connector);
+        dispatchToResults(results, request, response);
+      }
+
+    }
+    catch (FileUploadException e)
+    {
+      request.setAttribute("error", "Fehler beim Upload der Daten");
+      request.setAttribute("cause", "Beim Upload der Daten ist ein Fehler aufgetreten.");
+      dispatch(request, response, "/jsp/error.jsp");
+    }
+    catch (PresentableException e)
+    {
+      e.printStackTrace();
+      Sign.prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+    }
+
+  }
+
+  /**
+   * Extracts the extension from a file name string.
+   * 
+   * <p>
+   * The extension of a file name is whatever text follows the last '.'.
+   * </p>
+   * 
+   * @param file_name
+   *          The file name.
+   * @return Returns the extension. If the file name ends with the '.', then an
+   *         empty string is returned. If the file name doesn't contain any '.'
+   *         or file_name is null, null is returned.
+   */
+  public static String extractExtension(String file_name)
+  {
+    if (file_name == null)
+    {
+      return null;
+    }
+
+    int dot_index = file_name.lastIndexOf('.');
+    if (dot_index < 0)
+    {
+      return null;
+    }
+    return file_name.substring(dot_index + 1);
+  }
+}
+\ No newline at end of file
diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/web/VerifyPreview.java b/src/main/java/at/knowcenter/wag/egov/egiz/web/VerifyPreview.java
new file mode 100644
index 0000000..c39fd91
--- /dev/null
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/web/VerifyPreview.java
@@ -0,0 +1,704 @@
+/**
+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
+ * 
+ * This software is the confidential and proprietary information of Know-Center,
+ * Graz, Austria. You shall not disclose such Confidential Information and shall
+ * use it only in accordance with the terms of the license agreement you entered
+ * into with Know-Center.
+ * 
+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
+ * DERIVATIVES.
+ * 
+ * $Id: VerifyPreview.java,v 1.4 2006/10/11 07:39:13 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.web;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.FileUploadException;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+import org.apache.log4j.Logger;
+
+import at.knowcenter.wag.egov.egiz.PdfAS;
+import at.knowcenter.wag.egov.egiz.PdfASID;
+import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+import at.knowcenter.wag.egov.egiz.exceptions.ErrorCodeException;
+import at.knowcenter.wag.egov.egiz.exceptions.InvalidIDException;
+import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;
+import at.knowcenter.wag.egov.egiz.exceptions.SignatureException;
+import at.knowcenter.wag.egov.egiz.pdf.BinarySignatureHolder;
+import at.knowcenter.wag.egov.egiz.pdf.SignatureHolder;
+import at.knowcenter.wag.egov.egiz.pdf.TextualSignatureHolder;
+import at.knowcenter.wag.egov.egiz.sig.ConnectorFactory;
+import at.knowcenter.wag.egov.egiz.sig.SignatureEntry;
+import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
+import at.knowcenter.wag.egov.egiz.sig.SignatureTypes;
+
+/**
+ * @author wprinz
+ */
+public class VerifyPreview extends HttpServlet
+{
+  /**
+   * SVUID.
+   */
+  private static final long serialVersionUID = 6954343542890239109L;
+
+  /**
+   * The logger.
+   */
+  private static final Logger logger_ = ConfigLogger.getLogger(VerifyPreview.class);
+
+  protected void dispatch(HttpServletRequest request,
+      HttpServletResponse response, String resource) throws ServletException, IOException
+  {
+    response.setContentType("text/html");
+    response.setCharacterEncoding("UTF-8");
+
+    RequestDispatcher disp = getServletContext().getRequestDispatcher(resource);
+    disp.forward(request, response);
+  }
+
+  protected static String generateNamePrefix(int num)
+  {
+    return SIG_INPUT_PREFIX + num + "_";
+  }
+
+  // public static void formatPreview(List signature_holders, String connector,
+  // HttpServletRequest request, HttpServletResponse response) throws
+  // ServletException, IOException
+  // {
+  // response.setContentType("text/html");
+  // response.setCharacterEncoding("UTF-8");
+  //
+  // PrintWriter writer = response.getWriter();
+  //
+  // writer.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0
+  // Transitional//EN\"
+  // \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">");
+  // writer.println("<html>");
+  // writer.println("<head>");
+  // writer.println("<meta http-equiv=\"content-type\" content=\"text/html;
+  // charset=UTF-8\" />");
+  // writer.println("<title>PDF-AS Amtssignaturen Vorschau</title>");
+  // writer.println("<link rel=\"stylesheet\" type=\"text/css\"
+  // href=\"/pdf-as/css/styles.css\" />");
+  //
+  // writer.println("<script type=\"text/javascript\">");
+  // writer.println(" function initSigValues()");
+  // writer.println(" {");
+  // for (int num = 0; num < signature_holders.size(); num++)
+  // {
+  // SignatureHolder signature_holder = (SignatureHolder)
+  // signature_holders.get(num);
+  // String name_prefix = generateNamePrefix(num);
+  // String java_script =
+  // renderRequiredKeysJavaScript(signature_holder.signature_object,
+  // name_prefix);
+  // writer.println(java_script);
+  //
+  // }
+  // writer.println(" }");
+  // writer.println("</script>");
+  //
+  // writer.println("</head>");
+  //
+  // writer.println("<body onload=\"initSigValues()\">");
+  // writer.println("<div>");
+  //
+  // writer.println("<h1>PDF-AS Amtssignaturen</h1>");
+  //
+  // writer.println("<div id=\"nav\">");
+  // writer.println("<div id=\"nh\">Vorschau: Dokument Pr&uuml;fen</div>");
+  // writer.println("<form action=\"" +
+  // response.encodeURL(request.getContextPath() + "/VerifyPreview") + "\"");
+  // writer.println(" name=\"submitform\"");
+  // writer.println(" enctype=\"multipart/form-data\"");
+  // writer.println(" accept-charset=\"UTF-8\"");
+  // writer.println(" method=\"post\">");
+  // writer.println("<div id=\"ct\">");
+  //
+  // // writer.println("<input type=\"hidden\" name=\"" + FormFields.FIELD_MODE
+  // +
+  // // "\" value=\"" + mode + "\" />");
+  // writer.println("<input type=\"hidden\" name=\"" +
+  // FormFields.FIELD_CONNECTOR + "\" value=\"" + connector + "\" />");
+  //
+  // // if (mode.equals(FormFields.VALUE_MODE_TEXTUAL))
+  // // {
+  // // String raw_document_text = ((SignatureHolder)
+  // // signature_holders.get(0)).signed_text;
+  // // writer.println("<textarea class=\"pr\" cols=\"80\" rows=\"14\" name=\""
+  // +
+  // // FormFields.FIELD_RAW_DOCUMENT_TEXT + "\">" + raw_document_text +
+  // // "</textarea>");
+  // // writer.println("<br/>");
+  // // }
+  //
+  // if (signature_holders.size() == 1)
+  // {
+  // writer.println("<div id=\"sh\">Rekonstruktion der Signaturmarke:</div>");
+  // }
+  // else
+  // {
+  // writer.println("<div id=\"sh\">Rekonstruktion der Signaturmarken:</div>");
+  // }
+  //
+  // // this special <div> is only needed because internet explorer doesn't
+  // // format the width of the
+  // // tables right when the div is not given.
+  // // probably this is because the table then tries to calculate the relative
+  // // width from the surrounding form object.
+  // writer.println("<div class=\"sigprevtablediv\">");
+  // int num = 0;
+  // Iterator it = signature_holders.iterator();
+  // while (it.hasNext())
+  // {
+  // SignatureHolder signature_holder = (SignatureHolder) it.next();
+  //
+  // String name_prefix = generateNamePrefix(num);
+  //
+  // String input_key = name_prefix + FormFields.FIELD_RAW_DOCUMENT_TEXT;
+  // if (signature_holder.signature_object.isBinary())
+  // {
+  // writer.println("<input type=\"hidden\" name=\"" + input_key + "\" value=\""
+  // + signature_holder.signed_text + "\" />");
+  // }
+  // else
+  // {
+  // writer.println("<div>");
+  // writer.println("<textarea class=\"pr\" cols=\"80\" rows=\"14\" name=\"" +
+  // input_key + "\">" + signature_holder.signed_text + "</textarea>");
+  // writer.println("</div>");
+  // }
+  //
+  // String html = renderRequiredKeys(signature_holder.signature_object,
+  // name_prefix, false);
+  // writer.println(html);
+  //
+  // writer.println("<input class=\"ip\" type=\"submit\" value=\"Werte
+  // &uuml;bernehmen und pr&uuml;fen...\" onclick=\"document.submitform." +
+  // FormFields.FIELD_VERIFY_WHICH + ".value='" + num + "'\" />");
+  //
+  // num++;
+  // }
+  // writer.println("</div>");
+  //
+  // writer.println("<input type=\"hidden\" name=\"" +
+  // FormFields.FIELD_VERIFY_WHICH + "\" value=\"xxx\" />");// +
+  // // FormFields.VALUE_VERIFY_WHICH_ALL
+  // // +
+  // // "\"
+  // // />");
+  // writer.println("<input class=\"ip\" type=\"submit\" value=\"Alle
+  // pr&uuml;fen...\" onclick=\"document.submitform." +
+  // FormFields.FIELD_VERIFY_WHICH + ".value='" +
+  // FormFields.VALUE_VERIFY_WHICH_ALL + "'\" />");
+  //
+  // writer.println("</div>");
+  // writer.println("</form>");
+  // writer.println("</div>");
+  //
+  // writer.println("<a class=\"big\" href=\"/pdf-as/\">zur�ck</a>");
+  //
+  // writer.println("</div>");
+  // writer.println("</body>");
+  //
+  // writer.println("</html>");
+  //
+  // }
+
+  public static String renderRequiredKeysJavaScript(
+      SignatureObject signature_object, String name_prefix)
+  {
+    StringWriter sw = new StringWriter();
+    PrintWriter writer = new PrintWriter(sw);
+
+    String[] rkeys = SignatureTypes.REQUIRED_SIG_KEYS;
+
+    for (int key_idx = 0; key_idx < rkeys.length; key_idx++)
+    {
+      String key = rkeys[key_idx];
+      SignatureEntry entry = signature_object.getSigEntry(key);
+      String value = entry.getValue();
+      if (SignatureTypes.SIG_ID.equals(key) && value == null)
+      {
+        continue;
+      }
+
+      value = value.replaceAll("\\s", " ");
+      value = value.replaceAll("\\\"", "\\\"");
+
+      String input_key = name_prefix + key;
+
+      writer.println("    document.submitform." + input_key + ".value = \"" + value + "\";");
+    }
+
+    return sw.toString();
+  }
+
+  public static String renderRequiredKeys(SignatureObject signature_object,
+      String name_prefix, boolean write_value)
+  {
+    StringWriter sw = new StringWriter();
+    PrintWriter writer = new PrintWriter(sw);
+
+    writer.println("<table cellpadding=\"1\" cellspacing=\"1\" class=\"st\">");
+
+    String[] rkeys = SignatureTypes.REQUIRED_SIG_KEYS;
+
+    for (int key_idx = 0; key_idx < rkeys.length; key_idx++)
+    {
+      String key = rkeys[key_idx];
+      SignatureEntry entry = signature_object.getSigEntry(key);
+      String caption = entry.getCaption();
+      String value = entry.getValue();
+      if (SignatureTypes.SIG_ID.equals(key) && value == null)
+      {
+        continue;
+      }
+
+      writer.println("  <tr>");
+      writer.println("    <td width=\"10%\"><span class=\"sca\">" + caption + ":</span></td>");
+      writer.println("    <td width=\"90%\">");
+
+      value = value.replaceAll("\\s", " ");
+      value = value.replaceAll("\\\"", "\\\"");
+
+      String input_key = name_prefix + key;
+      writer.println("      <input class=\"sin\" name=\"" + input_key + "\" type=\"text\" value=\"" + (write_value ? value : "wird automatisch ausgef�llt") + "\" />");
+
+      writer.println("    </td>");
+      writer.println("  </tr>");
+    }
+    writer.println("</table>");
+
+    return sw.toString();
+  }
+
+  public static String renderRequiredKeysText(SignatureObject signature_object)
+  {
+    StringWriter sw = new StringWriter();
+    PrintWriter writer = new PrintWriter(sw);
+
+    String title = "alte PDF-AS Signatur";
+    try
+    {
+      PdfASID kz = signature_object.getKZ();
+      if (kz != null)
+      {
+        title = kz.toString();
+      }
+    }
+    catch (InvalidIDException e)
+    {
+      e.printStackTrace();
+    }
+    writer.println("<div class=\"listtype\">Signatur: " + title + "</div>");
+    writer.println("<table cellpadding=\"1\" cellspacing=\"1\" class=\"listtable\">");
+
+    // just render useful information
+    String[] rkeys = { SignatureTypes.SIG_DATE, SignatureTypes.SIG_ISSUER,
+        SignatureTypes.SIG_NUMBER }; // SignatureTypes.REQUIRED_SIG_KEYS;
+
+    for (int key_idx = 0; key_idx < rkeys.length; key_idx++)
+    {
+      String key = rkeys[key_idx];
+      SignatureEntry entry = signature_object.getSigEntry(key);
+      String caption = entry.getCaption();
+      String value = entry.getValue();
+      if (SignatureTypes.SIG_ID.equals(key) && value == null)
+      {
+        continue;
+      }
+
+      writer.println("  <tr>");
+      writer.println("    <td width=\"10%\">" + caption + ":</td>");
+      writer.println("    <td width=\"90%\">");
+
+      value = value.replaceAll("\\s", " ");
+      value = value.replaceAll("\\\"", "\\\"");
+
+      writer.println("      " + value);
+
+      writer.println("    </td>");
+      writer.println("  </tr>");
+    }
+    writer.println("</table>");
+
+    return sw.toString();
+  }
+
+  protected void dispatchToResults(List results, HttpServletRequest request,
+      HttpServletResponse response, boolean backbutton) throws ServletException, IOException
+  {
+    request.setAttribute("results", results);
+    request.setAttribute("backbutton", backbutton ? "true" : "false");
+    dispatch(request, response, "/jsp/results.jsp");
+  }
+
+  // public static void formatVerifyResults(List results,
+  // HttpServletResponse response) throws IOException, SettingNotFoundException
+  // {
+  // response.setContentType("text/html");
+  // response.setCharacterEncoding("UTF-8");
+  //
+  // PrintWriter writer = response.getWriter();
+  //
+  // writer.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0
+  // Transitional//EN\"
+  // \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">");
+  // writer.println("<html>");
+  // writer.println("<head>");
+  // writer.println("<meta http-equiv=\"content-type\" content=\"text/html;
+  // charset=UTF-8\" />");
+  // writer.println("<title>PDF-AS Amtssignaturen Resultat</title>");
+  // writer.println("<link rel=\"stylesheet\" type=\"text/css\"
+  // href=\"/pdf-as/css/styles.css\" />");
+  // writer.println("</head>");
+  //
+  // writer.println("<body>");
+  // writer.println("<div>");
+  //
+  // writer.println("<h1>PDF-AS Amtssignaturen</h1>");
+  //
+  // writer.println("<div id=\"nav\">");
+  // writer.println("<div id=\"nh\">Resultat</div>");
+  // writer.println("<div id=\"res\">");
+  //
+  // Iterator it = results.iterator();
+  // while (it.hasNext())
+  // {
+  // SignatureResponse result = (SignatureResponse) it.next();
+  // formatSignatureResponse(result, writer);
+  //
+  // if (it.hasNext())
+  // {
+  // writer.println("<br />");
+  // }
+  // }
+  //
+  // writer.println("</div>");
+  // writer.println("</div>");
+  //
+  // writer.println("<a class=\"big\" href=\"/pdf-as/\">zur�ck</a>");
+  //
+  // writer.println("</div>");
+  // writer.println("</body>");
+  //
+  // writer.println("</html>");
+  //
+  // }
+  //
+  // public static void formatSignatureResponse(SignatureResponse result,
+  // PrintWriter writer) throws SettingNotFoundException
+  // {
+  // writer.println("<fieldset><legend><b>Zertifikat</b></legend>");
+  // writer.println("<table class=\"srt\">");
+  // writer.println(" <tr><td>Signator:</td><td class=\"srtd\">" +
+  // result.getX509SubjectName() + "</td></tr>");
+  // writer.println(" <tr><td>Aussteller:</td><td class=\"srtd\">" +
+  // result.getX509IssuerName() + "</td></tr>");
+  // writer.println(" <tr><td>Seriennummer:</td><td class=\"srtd\">" +
+  // result.getX509SerialNumber() + "</td></tr>");
+  // List public_properties = result.getPublicProperties();
+  // Iterator it = public_properties.iterator();
+  // while (it.hasNext())
+  // {
+  // String public_property = (String) it.next();
+  // writer.println(" <tr><td> Eigenschaft:</td><td class=\"srtd\">" +
+  // public_property + "</td></tr>");
+  // }
+  //
+  // writer.println(" <tr><td>Zertifikat:</td><td class=\"srcc_" +
+  // result.getCertificateCheckCode() + "\">" + result.getCertificateCheckInfo()
+  // + "</td></tr>");
+  //
+  // writer.println("</table>");
+  // writer.println("</fieldset>");
+  // writer.println("<fieldset><legend><b>Signatur-Check</b></legend>");
+  // writer.println("<div class=\"srsc_" + result.getSignatureCheckCode() +
+  // "\">" + result.getSignatureCheckInfo() + "</div>");
+  // writer.println("</fieldset>");
+  // writer.println("<fieldset><legend><b>Manifest-Check</b></legend>");
+  // writer.println("<div class=\"srmc_" +
+  // result.getSignatureManifestCheckCode() + "\">" +
+  // result.getSignatureManifestCheckInfo() + "</div>");
+  // writer.println("</fieldset>");
+  // }
+
+  /**
+   * Form field name prefix for signature table names
+   */
+  public static final String SIG_INPUT_PREFIX = "sig_inp_";
+
+  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+    SessionInformation si = null;
+    HttpSession session = null;
+    try
+    {
+      session = request.getSession(false);
+      // String session_id_string = request.getParameter("session");
+      if (session == null)
+      {
+        throw new ErrorCodeException(600, "The session is missing.");
+      }
+
+      si = (SessionInformation) session.getAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION);
+      // long session_id = Long.parseLong(session_id_string);
+      // si = SessionTable.get(session_id);
+      if (si == null)
+      {
+        throw new ErrorCodeException(600, "The session is not found or is no longer valid.");
+      }
+
+    }
+    catch (PresentableException e)
+    {
+      e.printStackTrace();
+      Sign.prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+
+      return;
+    }
+
+    try
+    {
+
+      int verify_which = -1;
+      boolean preview = false;
+
+      {
+        String str_verify_which = request.getParameter(FormFields.FIELD_VERIFY_WHICH);
+        logger_.debug("verify_which = " + str_verify_which);
+        if (str_verify_which.equals(FormFields.VALUE_VERIFY_WHICH_ALL))
+        {
+          verify_which = -1;
+        }
+        else
+        {
+          verify_which = Integer.parseInt(str_verify_which);
+        }
+        logger_.debug("verify_which = " + verify_which);
+      }
+
+      {
+        String preview_string = request.getParameter(FormFields.FIELD_PREVIEW);
+        if (preview_string.equals("true"))
+        {
+          preview = true;
+        }
+      }
+
+      List holders_to_verify = si.signature_holders;
+
+      if (verify_which >= 0)
+      {
+        if (verify_which >= si.signature_holders.size())
+        {
+          throw new SignatureException(312, "The selected signature to be verified doesn't exist.");
+        }
+
+        SignatureHolder holder = (SignatureHolder) si.signature_holders.get(verify_which);
+        holders_to_verify = new ArrayList();
+        holders_to_verify.add(holder);
+
+        if (preview == true)
+        {
+          if (holder instanceof BinarySignatureHolder)
+          {
+            BinarySignatureHolder binary_holder = (BinarySignatureHolder) holder;
+            response.setContentType("application/pdf");
+            response.getOutputStream().write(binary_holder.getSignedPdf(), 0, binary_holder.getSignedPdfLength());
+          }
+          else
+          // if (holder.getSignatureObject().isTextual())
+          {
+            // formatPreview(holders_to_verify, si.connector, request,
+            // response);
+            request.setAttribute(FormFields.FIELD_VERIFY_WHICH, new Integer(verify_which));
+            dispatch(request, response, "/jsp/verifypreview.jsp");
+          }
+
+          return;
+        }
+
+      }
+
+      if (ConnectorFactory.isConnectorLocal(si.connector))
+      {
+        LocalRequestHelper.processLocalVerify(si, holders_to_verify, request, response);
+        dispatch(request, response, LocalRequestHelper.LOCAL_CONNECTION_PAGE_JSP);
+        return;
+      }
+
+      List results = PdfAS.verifySignatureHolders(holders_to_verify, si.connector);
+      boolean backbutton = true;
+      if (verify_which >= 0)
+      {
+        backbutton = false;
+      }
+      dispatchToResults(results, request, response, backbutton);
+
+    }
+    catch (PresentableException e)
+    {
+      e.printStackTrace();
+      Sign.prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+    }
+  }
+
+  protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
+  {
+    SessionInformation si = null;
+    HttpSession session = null;
+    try
+    {
+      session = request.getSession(false);
+      // String session_id_string = request.getParameter("session");
+      if (session == null)
+      {
+        throw new ErrorCodeException(600, "The session is missing.");
+      }
+
+      si = (SessionInformation) session.getAttribute(SessionAttributes.ATTRIBUTE_SESSION_INFORMATION);
+      // long session_id = Long.parseLong(session_id_string);
+      // si = SessionTable.get(session_id);
+      if (si == null)
+      {
+        throw new ErrorCodeException(600, "The session is not found or is no longer valid.");
+      }
+
+    }
+    catch (PresentableException e)
+    {
+      e.printStackTrace();
+      Sign.prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+
+      return;
+    }
+
+    DiskFileItemFactory fif = new DiskFileItemFactory();
+    fif.setRepository(SettingsReader.getTemporaryDirectory());
+    ServletFileUpload sfu = new ServletFileUpload(fif);
+
+    try
+    {
+      String text_to_be_verified = null;
+      SignatureObject signature_object = new SignatureObject();
+
+      String default_type = SettingsReader.getInstance().getValueFromKey(SignatureTypes.DEFAULT_TYPE);
+      signature_object.setSigType(default_type);
+      signature_object.initByType();
+
+      int verify_which = -1;
+      boolean verify = false;
+
+      List items = sfu.parseRequest(request);
+
+      Iterator it = items.iterator();
+      while (it.hasNext())
+      {
+        FileItem item = (FileItem) it.next();
+        logger_.debug("item = " + item.getFieldName());
+
+        if (item.getFieldName().equals(FormFields.FIELD_RAW_DOCUMENT_TEXT))
+        {
+          String raw_document_text = item.getString("UTF-8");
+          text_to_be_verified = PdfAS.normalizeText(raw_document_text);
+          continue;
+        }
+
+        if (item.getFieldName().equals(FormFields.FIELD_VERIFY_WHICH))
+        {
+          String which_str = item.getString("UTF-8");
+          verify_which = Integer.parseInt(which_str);
+          continue;
+        }
+
+        if (item.getFieldName().equals("verify"))
+        {
+          if (item.getString("UTF-8").equals("true"))
+          {
+            verify = true;
+          }
+          continue;
+        }
+
+        String key = item.getFieldName();
+        String value = item.getString("UTF-8");
+
+        signature_object.setSigValue(key, value);
+        logger_.debug("sig_obj_number" + key + " = " + value);
+      }
+
+      SignatureHolder new_holder = new TextualSignatureHolder(text_to_be_verified, signature_object);
+      si.signature_holders.set(verify_which, new_holder);
+
+      if (verify == false)
+      {
+        dispatch(request, response, "/dataok.html");
+        return;
+      }
+
+      List holders_to_verify = si.signature_holders;
+
+      if (verify_which >= 0)
+      {
+        if (verify_which >= si.signature_holders.size())
+        {
+          throw new SignatureException(312, "The selected signature to be verified doesn't exist.");
+        }
+
+        SignatureHolder holder = (SignatureHolder) si.signature_holders.get(verify_which);
+        holders_to_verify = new ArrayList();
+        holders_to_verify.add(holder);
+      }
+
+      if (ConnectorFactory.isConnectorLocal(si.connector))
+      {
+        LocalRequestHelper.processLocalVerify(si, holders_to_verify, request, response);
+        dispatch(request, response, LocalRequestHelper.LOCAL_CONNECTION_PAGE_JSP);
+        return;
+      }
+
+      List results = PdfAS.verifySignatureHolders(holders_to_verify, si.connector);
+      dispatchToResults(results, request, response, true);
+    }
+    catch (FileUploadException e)
+    {
+      request.setAttribute("error", "Fehler beim Upload der Daten");
+      request.setAttribute("cause", "Beim Upload der Daten ist ein Fehler aufgetreten.");
+      dispatch(request, response, "/jsp/error.jsp");
+    }
+    catch (PresentableException e)
+    {
+      e.printStackTrace();
+      Sign.prepareDispatchToErrorPage(e, request);
+      dispatch(request, response, "/jsp/error.jsp");
+    }
+
+  }
+}