KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > tapestry > portlet > PortletResponseRenderer


1 // Copyright 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.tapestry.portlet;
16
17 import javax.portlet.ActionResponse;
18 import javax.portlet.PortletRequest;
19
20 import org.apache.tapestry.IRequestCycle;
21 import org.apache.tapestry.services.ResponseRenderer;
22 import org.apache.tapestry.services.ServiceConstants;
23
24 /**
25  * Sets render parameters on the current {@link javax.portlet.ActionResponse} that will invoke the
26  * {@link org.apache.tapestry.portlet.RenderService} to render the (currently) active page. This
27  * reflects the Portlet API's very clear division between processing an action and rendering a
28  * response; we need to record into the implicit render URL the render service and the name of the
29  * active page.
30  *
31  * @author Howard M. Lewis Ship
32  * @since 4.0
33  */
34 public class PortletResponseRenderer implements ResponseRenderer
35 {
36     private PortletRequest _request;
37
38     private ActionResponse _response;
39
40     public void renderResponse(IRequestCycle cycle)
41     {
42         String JavaDoc pageName = cycle.getPage().getPageName();
43
44         _response.setRenderParameter(ServiceConstants.SERVICE, PortletConstants.RENDER_SERVICE);
45         _response.setRenderParameter(ServiceConstants.PAGE, pageName);
46         _response.setRenderParameter(PortletConstants.PORTLET_MODE, _request.getPortletMode()
47                 .toString());
48         _response.setRenderParameter(PortletConstants.WINDOW_STATE, _request.getWindowState()
49                 .toString());
50     }
51
52     public void setResponse(ActionResponse response)
53     {
54         _response = response;
55     }
56
57     public void setRequest(PortletRequest request)
58     {
59         _request = request;
60     }
61 }
Popular Tags