--- a/gnv/src/main/java/de/intevation/gnv/action/DoExportAction.java	Tue Feb 23 15:26:50 2010 +0000
+++ b/gnv/src/main/java/de/intevation/gnv/action/DoExportAction.java	Tue Feb 23 17:43:16 2010 +0000
@@ -8,11 +8,38 @@
 
 import org.apache.log4j.Logger;
 
+import de.intevation.gnv.action.sessionmodel.SessionModel;
+import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
+
+import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient;
+import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory;
+
+import de.intevation.gnv.artifactdatabase.objects.DefaultInputParameter;
+import de.intevation.gnv.artifactdatabase.objects.ExportMode;
+import de.intevation.gnv.artifactdatabase.objects.InputParameter;
+import de.intevation.gnv.artifactdatabase.objects.OutputMode;
+import de.intevation.gnv.artifactdatabase.objects.OutputParameter;
+
+import java.io.OutputStream;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.log4j.Logger;
+
+import org.apache.struts.action.ActionForm;
+import org.apache.struts.action.ActionForward;
+import org.apache.struts.action.ActionMapping;
+
 /**
  * @author Tim Englich <tim.englich@intevation.de>
  * 
  */
-public class DoExportAction extends DoOutputAction {
+public class DoExportAction extends ArtifactDatabaseActionBase {
 
     /**
      * the logger, used to log exceptions and additonaly information
@@ -26,13 +53,93 @@
         super();
     }
 
+    /**
+     * @see de.intevation.gnv.action.ArtifactDatabaseActionBase#execute(org.apache.struts.action.ActionMapping,
+     *      org.apache.struts.action.ActionForm,
+     *      javax.servlet.http.HttpServletRequest,
+     *      javax.servlet.http.HttpServletResponse)
+     */
     @Override
+    public ActionForward execute(
+        ActionMapping       mapping,
+        ActionForm          form,
+        HttpServletRequest  request,
+        HttpServletResponse response)
+    throws Exception
+    {
+        try {
+            String target   = request.getParameter("target");
+            String mimeType = request.getParameter("mimetype");
+            String mode     = request.getParameter("mode");
+
+            log.debug("Target: " + target);
+            log.debug("MimeType: " + mimeType);
+            log.debug("ExportMode: " + mode);
+
+            SessionModel sm = SessionModelFactory.getInstance()
+                    .getSessionModel(request);
+            OutputMode outputMode = sm.getOutputMode(target);
+            if (outputMode != null) {
+                ExportMode exportMode = outputMode.getExportMode(mode);
+
+                if (target.equals(mode) || (exportMode != null
+                &&  exportMode.getMimeType().equals(mimeType)))
+                {
+                    Collection<OutputParameter> inputParameter = outputMode
+                            .getOutputParameters();
+                    Collection<InputParameter> ips = null;
+                    if (inputParameter != null) {
+                        ips = new ArrayList<InputParameter>(inputParameter.size());
+                        Iterator<OutputParameter> it = inputParameter.iterator();
+                        while (it.hasNext()) {
+                            String name = it.next().getName();
+                            String[] values = request.getParameterValues(name);
+                            InputParameter ip = new DefaultInputParameter(name,
+                                    values);
+                            ips.add(ip);
+                        }
+                    }
+
+                    ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
+                            .getInstance()
+                            .getArtifactDatabaseClient(getLocale(request));
+
+                    this.setHeaders(mode, mimeType, response, request);
+
+                    OutputStream outputStream = response.getOutputStream();
+                    adc.doOutput(sm.getSelectedArtifactFactory(), sm
+                            .getCurrentArtifact(), outputStream, mode, mimeType,
+                            ips);
+
+                    outputStream.flush();
+                    outputStream.close();
+                }
+                else {
+                    if (outputMode == null) {
+                        log.error("Outputmode is not supported.");
+                    }
+                    else if (!exportMode.getMimeType().equals(mimeType)) {
+                        log.error("MimeType "+mimeType+" wis not supported.");
+                    }
+                    // TODO FIXME: Fehlerbehandlung
+                }
+            }
+            return super.execute(mapping, form, request, response);
+        } catch (Exception e) {
+            log.error(e, e);
+            request.setAttribute(
+                    CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
+                            .getMessage());
+            return super.getExceptionForward(mapping);
+        }
+    }
+
     protected void setHeaders(String target, String mimeType,
                               HttpServletResponse response,
                               HttpServletRequest request) {
         log.debug("DoExportAction.setHeaders");
         try {
-            super.setHeaders(target, mimeType, response, request);
+            response.setHeader("Content-Type", mimeType);
             String fileName = "GNVEXPORT_" + System.currentTimeMillis() + ".";
 
             target = target.toLowerCase();