Erstellt.

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@59 d688527b-c9ab-4aba-bd8d-4036d912da1d

1 files changed, 111 insertions, 0 deletions

diff --git a/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/servlets/MOAServlet.java b/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/servlets/MOAServlet.java
new file mode 100644
index 000000000..1ec18e5cb
--- /dev/null
+++ b/spss.slinterface/WEB-INF/src/at/gv/egovernment/moa/spss/slinterface/servlets/MOAServlet.java
@@ -0,0 +1,111 @@
+/*
+ * Created on 19.11.2003
+ *
+ * (c) Stabsstelle IKT-Strategie des Bundes
+ */
+package at.gv.egovernment.moa.spss.slinterface.servlets;
+
+import java.io.IOException;
+import java.rmi.RemoteException;
+import java.util.Properties;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.xml.rpc.ServiceException;
+
+import org.apache.log4j.Logger;
+import org.apache.xerces.parsers.DOMParser;
+import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+import at.gv.egovernment.moa.spss.slinterface.Constants;
+import at.gv.egovernment.moa.spss.slinterface.moainvoker.MOAInvoker;
+
+/**
+ * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) 
+ */
+public class MOAServlet extends HttpServlet
+{
+  private static Logger logger_ = Logger.getLogger(Constants.LH_SERVLETS_);
+
+  /**
+   * Default constructor.
+   */
+  public MOAServlet()
+  {
+    super();
+  }
+  
+  public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException
+  {
+    // Get moa request form http request
+    Document moaXmlRequest = null;
+    DOMParser xmlParser = (DOMParser) this.getServletContext().getAttribute(Constants.WSCP_XMLPARSER_);
+    try
+    {
+      InputSource requestIS = new InputSource(request.getInputStream());
+      xmlParser.parse(requestIS);
+      moaXmlRequest = xmlParser.getDocument();
+    }
+    catch (IOException ioe)
+    {
+      String message = "Getting MOA XML request from http request input failed.";
+      logger_.error(message, ioe);
+      throw new ServletException(message, ioe);
+    }
+    catch (SAXException se)
+    {
+      String message = "Parsing MOA XML request got from http request failed.";
+      logger_.error(message, se);
+      throw new ServletException(message, se);
+    }
+    
+    // Send request to MOA SP
+    Properties initProps = (Properties) this.getServletContext().getAttribute(Constants.WSCP_INIT_PROPS_);
+    String endPoint = initProps.getProperty(Constants.IP_SP_ENDPOINT_);
+    if (endPoint == null)
+    {
+      String message = "No endpoint configured for MOA SP service.";
+      logger_.error(message);
+      throw new ServletException(message);
+    }
+    Document moaXMLResponseDoc = null;
+    try
+    {
+      moaXMLResponseDoc = MOAInvoker.invokeSP(moaXmlRequest, endPoint);
+    }
+    catch (Exception e)
+    {
+      String message;
+      if (e instanceof RemoteException)
+      {
+        message = "MOA SP service indicated an error at request execution.";
+      }
+      else if (e instanceof ServiceException)
+      {
+        message = "MOA SP client indicated an error at request execution.";
+      }
+      else
+      {
+        message = "Could not create DOM Document from MOA SP service response.";
+      }
+      logger_.error(message, e);
+      throw new ServletException(message, e);
+    }      
+    
+    // Write moa response to http response
+    try
+    {
+      MOAInvoker.serializeDocument(moaXMLResponseDoc, response.getOutputStream());
+    }
+    catch (IOException e)
+    {
+      String message = "Writing MOA SP XML response to http response failed.";
+      logger_.error(message, e);
+      throw new ServletException(message, e);
+    }
+  }
+}