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Java > Open Source Codes > org > apache > pluto > driver > deploy > PortalRegistrarServiceImpl


1 /*
2  * Copyright 2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.pluto.driver.deploy;
17
18 import java.io.File JavaDoc;
19 import java.io.IOException JavaDoc;
20 import java.io.RandomAccessFile JavaDoc;
21 import java.util.Iterator JavaDoc;
22
23 import org.apache.pluto.descriptors.portlet.PortletAppDD;
24 import org.apache.pluto.descriptors.portlet.PortletDD;
25 import org.apache.pluto.descriptors.services.PortletAppDescriptorService;
26
27 /**
28  * Service Implementation used by the command line deployer
29  * to register portlet applications with the Portal.
30  *
31  * @author <a HREF="ddewolf@apache.org">David H. DeWolf</a>
32  * @version 1.0
33  * @since Mar 6, 2005
34  */
35 class PortalRegistrarServiceImpl {
36
37     private static final String JavaDoc REGISTRY_FILE =
38         "WEB-INF/data/portletentityregistry.xml";
39
40     private File JavaDoc portalRoot;
41
42     /**
43      * Default Constructor wich provides the root of
44      * the portal application.
45      *
46      * @param portalRoot
47      */
48     public PortalRegistrarServiceImpl(File JavaDoc portalRoot) {
49         this.portalRoot = portalRoot;
50     }
51
52     /**
53      * Register the portlet application represented by the
54      * descriptor service provided.
55      * @param portletAppDescriptorService service used to obtain desc info.
56      */
57     public void register(PortletAppDescriptorService portletAppDescriptorService)
58     throws IOException JavaDoc {
59         File JavaDoc file = new File JavaDoc(portalRoot, REGISTRY_FILE);
60         RandomAccessFile JavaDoc ras = new RandomAccessFile JavaDoc(file, "rw");
61
62         long length = ras.length();
63         byte[] contentByte = new byte[(int) length];
64         ras.read(contentByte);
65         String JavaDoc contentString = new String JavaDoc(contentByte);
66         long pos = contentString.lastIndexOf("</portlet-entity-registry>");
67         ras.seek(pos);
68         ras.writeBytes(" <application id=\"" + portletAppDescriptorService.getContextPath() + "\">\r\n");
69         ras.writeBytes(" <definition-id>" + portletAppDescriptorService.getContextPath() + "</definition-id>\r\n");
70
71         PortletAppDD app = portletAppDescriptorService.read();
72         PortletDD p;
73         Iterator JavaDoc i = app.getPortlets().iterator();
74         while(i.hasNext()) {
75             p = (PortletDD)i.next();
76             ras.writeBytes(" <portlet id=\"" + p.getPortletName() + "\">\r\n");
77             ras.writeBytes(" <definition-id>" + portletAppDescriptorService.getContextPath()
78                                + "." + p.getPortletName() + "</definition-id>\r\n");
79             ras.writeBytes(" </portlet>\r\n");
80         }
81         ras.writeBytes(" </application>\r\n");
82         ras.writeBytes("</portlet-entity-registry>\r\n");
83         ras.close();
84     }
85 }
86
87
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