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Java > Open Source Codes > org > riotfamily > components > component > IncludeComponent


1 /* ***** BEGIN LICENSE BLOCK *****
2  * Version: MPL 1.1
3  * The contents of this file are subject to the Mozilla Public License Version
4  * 1.1 (the "License"); you may not use this file except in compliance with
5  * the License. You may obtain a copy of the License at
6  * http://www.mozilla.org/MPL/
7  *
8  * Software distributed under the License is distributed on an "AS IS" basis,
9  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10  * for the specific language governing rights and limitations under the
11  * License.
12  *
13  * The Original Code is Riot.
14  *
15  * The Initial Developer of the Original Code is
16  * Neteye GmbH.
17  * Portions created by the Initial Developer are Copyright (C) 2006
18  * the Initial Developer. All Rights Reserved.
19  *
20  * Contributor(s):
21  * Felix Gnass [fgnass at neteye dot de]
22  *
23  * ***** END LICENSE BLOCK ***** */
24 package org.riotfamily.components.component;
25
26 import java.util.Map JavaDoc;
27
28 import javax.servlet.http.HttpServletRequest JavaDoc;
29 import javax.servlet.http.HttpServletResponse JavaDoc;
30
31 import org.riotfamily.common.web.util.ServletUtils;
32 import org.riotfamily.components.ComponentVersion;
33 import org.riotfamily.components.VersionContainer;
34 import org.springframework.web.util.WebUtils;
35
36 /**
37  * Component implementation that uses a RequestDispatcher to perform the
38  * rendering. The configured url will be included and the properties of
39  * the ComponentVersion that is to be rendered will be exposed as request
40  * attributes.
41  */
42 public class IncludeComponent extends AbstractComponent {
43
44     private String JavaDoc uri;
45
46     private boolean dynamic = true;
47
48     public void setUri(String JavaDoc uri) {
49         this.uri = uri;
50     }
51
52     protected void renderInternal(ComponentVersion componentVersion,
53             String JavaDoc positionClassName, HttpServletRequest JavaDoc request,
54             HttpServletResponse JavaDoc response) throws Exception JavaDoc {
55
56         Map JavaDoc snapshot = ServletUtils.takeAttributesSnapshot(request);
57         WebUtils.exposeRequestAttributes(request, buildModel(componentVersion));
58         request.setAttribute(POSITION_CLASS, positionClassName);
59         request.setAttribute(COMPONENT_ID, String.valueOf(componentVersion.getId()));
60         request.setAttribute(THIS, componentVersion);
61
62         VersionContainer parentContainer = componentVersion.getContainer().getList().getParent();
63         if (parentContainer != null) {
64             request.setAttribute(PARENT_ID, String.valueOf(parentContainer.getId()));
65         }
66
67         request.getRequestDispatcher(uri).include(request, response);
68         ServletUtils.restoreAttributes(request, snapshot);
69     }
70
71     public boolean isDynamic() {
72         return this.dynamic;
73     }
74
75     public void setDynamic(boolean dynamic) {
76         this.dynamic = dynamic;
77     }
78
79 }
80
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