View Javadoc

1   /*
2    * Copyright 2004-2008 the Seasar Foundation and the Others.
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,
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.eclipse.common.util;
17  
18  import org.eclipse.core.runtime.IConfigurationElement;
19  import org.eclipse.core.runtime.IExtension;
20  import org.eclipse.core.runtime.IExtensionPoint;
21  import org.eclipse.core.runtime.IExtensionRegistry;
22  import org.eclipse.core.runtime.Platform;
23  
24  /**
25   * @author taichi
26   * 
27   */
28  public class ExtensionAcceptor {
29  
30      public static void accept(String namespace, String extensionPointName,
31              ExtensionVisitor visitor) {
32          IExtensionRegistry registry = Platform.getExtensionRegistry();
33          IExtensionPoint point = registry.getExtensionPoint(namespace,
34                  extensionPointName);
35          
36          for (IExtension extension : point.getExtensions()) {
37              for (IConfigurationElement element : extension.getConfigurationElements()) {
38                  visitor.visit(element);
39              }
40          }
41  
42      }
43  
44      public interface ExtensionVisitor {
45          void visit(IConfigurationElement e);
46      }
47  
48  }