View Javadoc

1   /**
2    *
3    * Copyright 2005 The Apache Software Foundation
4    *
5    *  Licensed under the Apache License, Version 2.0 (the "License");
6    *  you may not use this file except in compliance with the License.
7    *  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.apache.geronimo.system.plugin;
18  
19  import java.io.Serializable;
20  import java.net.URL;
21  import java.util.List;
22  import java.util.ArrayList;
23  import java.util.Set;
24  import java.util.HashSet;
25  import org.apache.geronimo.kernel.repository.Artifact;
26  
27  /**
28   * Metadata on a list of configurations available in a remote server.
29   *
30   * @version $Rev: 410741 $ $Date: 2006-05-31 21:35:48 -0700 (Wed, 31 May 2006) $
31   */
32  public class PluginList implements Serializable {
33      private final URL[] repositories;
34      private final PluginMetadata[] plugins;
35  
36      public PluginList(URL[] repositories, PluginMetadata[] plugins) {
37          this.repositories = repositories;
38          this.plugins = plugins;
39      }
40  
41      public static PluginList createInstallList(PluginList all, Artifact[] selectedConfigIDs) {
42          URL[] repositories = all.repositories;
43          List list = new ArrayList();
44          Set set = new HashSet();
45          for (int i = 0; i < selectedConfigIDs.length; i++) {
46              Artifact artifact = selectedConfigIDs[i];
47              set.add(artifact);
48          }
49          for (int i = 0; i < all.getPlugins().length; i++) {
50              PluginMetadata metadata = all.getPlugins()[i];
51              if(set.contains(metadata.getModuleId())) {
52                  if(metadata.isInstalled() || !metadata.isEligible()) {
53                      throw new IllegalArgumentException("Cannot install "+metadata.getModuleId());
54                  }
55                  list.add(metadata);
56              }
57          }
58          if(list.size() == 0) {
59              return null;
60          }
61          PluginMetadata[] configurations = (PluginMetadata[]) list.toArray(new PluginMetadata[list.size()]);
62          return new PluginList(repositories, configurations);
63      }
64  
65      public static PluginList createInstallList(PluginList all, Artifact selectedConfigID) {
66          URL[] repositories = all.repositories;
67          PluginMetadata target = null;
68          for (int i = 0; i < all.getPlugins().length; i++) {
69              PluginMetadata metadata = all.getPlugins()[i];
70              if(selectedConfigID.equals(metadata.getModuleId())) {
71                  if(metadata.isInstalled() || !metadata.isEligible()) {
72                      throw new IllegalArgumentException("Cannot install "+metadata.getModuleId());
73                  }
74                  target = metadata;
75                  break;
76              }
77          }
78          if(target == null) {
79              return null;
80          }
81          return new PluginList(repositories, new PluginMetadata[]{target});
82      }
83  
84      public URL[] getRepositories() {
85          return repositories;
86      }
87  
88      public PluginMetadata[] getPlugins() {
89          return plugins;
90      }
91  }