1 files changed, 157 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/sig/connectors/BKUPostConnection.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/sig/connectors/BKUPostConnection.java
new file mode 100644
index 0000000..b676ed8
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/sig/connectors/BKUPostConnection.java
@@ -0,0 +1,157 @@
+/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ *
+ * $Id: BKUPostConnection.java,v 1.3 2006/10/11 07:56:10 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz.sig.connectors;
+
+import java.io.IOException;
+import java.util.Properties;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.commons.httpclient.Header;
+import org.apache.commons.httpclient.HttpClient;
+import org.apache.commons.httpclient.HttpException;
+import org.apache.commons.httpclient.NameValuePair;
+import org.apache.commons.httpclient.methods.PostMethod;
+import org.apache.commons.httpclient.params.HttpMethodParams;
+import org.apache.log4j.Logger;
+
+import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+
+/**
+ * @author wprinz
+ */
+public abstract class BKUPostConnection
+{
+  /**
+   * The logger definition.
+   */
+  private static final Logger logger_ = ConfigLogger.getLogger(BKUPostConnection.class);
+
+  /**
+   * This method connects the BKU server getting the request and the url. The
+   * request is an XML Message send and recieve by the HttpClient module. The
+   * Response message of the BKU server is is send back to the calling method.
+   * 
+   * @param url
+   *          the URL which the BKU server is running
+   * @param request
+   *          the request string (XML) to send.
+   * @return the response string (XML) of the BKU server
+   * @throws IOException
+   * @throws HttpException
+   *           ErrorCode:320
+   */
+  public static Properties doPostRequest(String url, String request) throws HttpException, IOException
+  {
+
+    PostMethod post_method = new PostMethod(url);
+
+    // It is very important to specify the charset of the content (the request)
+    // as UTF-8 this way.
+    // The HttpClient will then perform the URL encoding assuming that the
+    // request is UTF-8 as the BKU expects.
+    // If the MethodParams are omitted, the HttpClient will assume that the
+    // request is ISO-8859-1 and thereby the BKU cannot properly decode it.
+    HttpMethodParams method_params = new HttpMethodParams();
+    method_params.setContentCharset("UTF-8");
+    post_method.setParams(method_params);
+
+    // This is just a hint: do not set the content-type this way or the BKU will
+    // assume it as text/XML, but the HttpClient sends it as URL-encoded.
+    // The HttpClient will automatically generate the proper Content-Type:
+    // application/x-www-form-urlencoded
+    // post.addRequestHeader(new Header("Content-Type",
+    // "text/xml;charset=UTF-8"));
+
+    NameValuePair[] data = { new NameValuePair("XMLRequest", request) };
+    post_method.setRequestBody(data);
+
+    HttpClient http_client = new HttpClient();
+    int method_response = http_client.executeMethod(post_method);
+    logger_.debug("method_response = " + method_response);
+
+    Properties response_properties = new Properties();
+    
+    if (logger_.isDebugEnabled())
+    {
+      Header[] response_headers = post_method.getResponseHeaders();
+      logger_.debug("#" + response_headers.length + " headers in response:");
+      for (int i = 0; i < response_headers.length; i++)
+      {
+        logger_.debug("  response_header[" + i + "]: name = " + response_headers[i].getName() + ", value = " + response_headers[i].getValue());
+      }
+    }
+    
+    Header server_header = post_method.getResponseHeader("Server");
+    logger_.debug("server_header: name = " + server_header.getName() + ", value = " + server_header.getValue());
+    
+    parseBKUVersion(server_header.getValue(), response_properties);
+
+
+    byte[] response_body = post_method.getResponseBody();
+    String response_string = new String(response_body, "UTF-8");
+
+    // Alternatively this could be used.
+    // The HttpClient is assumed to use the Content-Type provided by the
+    // response.
+    // String response_string = post.getResponseBodyAsString();
+
+    response_properties.setProperty("response_string", response_string);
+    
+    return response_properties;
+  }
+
+  // TODO hotfix
+  public static void parseBKUVersion(String header_value, Properties properties)
+  {
+    // dummy bku header starts with Apache Coyote...
+    //Pattern pattern = Pattern.compile("^citizen-card-environment/(\\d+\\.\\d+) (.+)/(\\d+\\.\\d+\\.\\d+)$");
+    //Pattern pattern = Pattern.compile("^.*citizen-card-environment/(\\d+\\.\\d+) (.+)/(\\d+\\.\\d+\\.\\d+)$");
+    Pattern pattern = Pattern.compile("^.*citizen-card-environment/(\\d+\\.\\d+) (.+)/(\\d+\\.\\d+\\.\\d+)(.*)$");
+    Matcher m = pattern.matcher(header_value);
+    
+    m.matches();
+    
+    logger_.debug("group count = " + m.groupCount());
+    
+    for (int i = 0; i <= m.groupCount(); i++)
+    {
+      logger_.debug("  group[" + i + "] = " + m.group(i));
+    }
+    
+    final String cceVersion = m.group(1);
+    final String productName = m.group(2);
+    final String productVersion = m.group(3);
+    
+    logger_.debug("cceVersion = " + cceVersion);
+    logger_.debug("productName = " + productName);
+    logger_.debug("productVersion = " + productVersion);
+    
+    properties.setProperty("cceVersion", cceVersion);
+    properties.setProperty("productName", productName);
+    properties.setProperty("productVersion", productVersion);
+  }
+}