HttpServletRequestHandler


1   /*
2    * Copyright 2006 Pentaho Corporation.  All rights reserved. 
3    * This software was developed by Pentaho Corporation and is provided under the terms 
4    * of the Mozilla Public License, Version 1.1, or any later version. You may not use 
5    * this file except in compliance with the license. If you need a copy of the license, 
6    * please go to http://www.mozilla.org/MPL/MPL-1.1.txt. The Original Code is the Pentaho 
7    * BI Platform.  The Initial Developer is Pentaho Corporation.
8    *
9    * Software distributed under the Mozilla Public License is distributed on an "AS IS" 
10   * basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to 
11   * the license for the specific language governing your rights and limitations.
12   *
13   * @created Jun 18, 2005 
14   * @author James Dixon
15   * 
16   */
17  
18  package org.pentaho.ui.servlet;
19  
20  import javax.servlet.http.HttpServletRequest  ;
21  
22  import org.pentaho.core.services.BaseRequestHandler;
23  import org.pentaho.core.session.IPentahoSession;
24  import org.pentaho.core.solution.HttpRequestParameterProvider;
25  import org.pentaho.core.solution.HttpSessionParameterProvider;
26  import org.pentaho.core.solution.IOutputHandler;
27  import org.pentaho.core.solution.IParameterProvider;
28  import org.pentaho.core.ui.IPentahoUrlFactory;
29  import org.pentaho.ui.BaseUIComponent;
30  
31  import java.io.IOException  ;
32  import java.io.OutputStream  ;
33  import java.util.*;
34  
35  public class HttpServletRequestHandler extends BaseRequestHandler {
36  
37      private HttpServletRequest   request;
38  
39      public HttpServletRequestHandler(IPentahoSession session, String   instanceId, HttpServletRequest   request, IOutputHandler outputHandler, IPentahoUrlFactory urlFactory) {
40          super(session, instanceId, outputHandler, null, urlFactory);
41          HttpSessionParameterProvider sessionParameters = new HttpSessionParameterProvider(session);
42          setParameterProvider("session", sessionParameters); //$NON-NLS-1$
43          setRequest(request);
44      }
45  
46      public void handleUIRequest(BaseUIComponent component, String   contentType) throws IOException   {
47          OutputStream   outputStream = getOutputHandler().getOutputContentItem(IOutputHandler.RESPONSE, IOutputHandler.CONTENT).getOutputStream(this.getActionName());
48          component.handleRequest(outputStream, this, contentType, getParameterProviders());
49  
50      }
51  
52      public void setRequest(HttpServletRequest   request) {
53          this.request = request;
54          IParameterProvider requestParameters = new HttpRequestParameterProvider(request);
55          setParameterProvider("request", requestParameters); //$NON-NLS-1$
56  
57      }
58  
59      public String   getStringParameter(String   name) {
60          return request.getParameter(name);
61      }
62  
63      public Set getParameterNames() {
64          return request.getParameterMap().keySet();
65      }
66  
67  }
68
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