View Javadoc

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;
19  import java.io.IOException;
20  import java.io.RandomAccessFile;
21  import java.util.Iterator;
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 REGISTRY_FILE =
38          "WEB-INF/data/portletentityregistry.xml";
39  
40      private File portalRoot;
41  
42      /***
43       * Default Constructor wich provides the root of
44       * the portal application.
45       *
46       * @param portalRoot
47       */
48      public PortalRegistrarServiceImpl(File 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 {
59          File file = new File(portalRoot, REGISTRY_FILE);
60          RandomAccessFile ras = new RandomAccessFile(file, "rw");
61  
62          long length = ras.length();
63          byte[] contentByte = new byte[(int) length];
64          ras.read(contentByte);
65          String contentString = new String(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 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