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Java > Open Source Codes > org > visualcontent > ui > namespacelist > ViewContentProvider


1 /**
2  * VC Browser - Visualizes the content of a JSR 170 compatible repository
3  * Copyright (C) 2006 Sandro Böhme
4  *
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.visualcontent.ui.namespacelist;
19
20 import javax.jcr.NamespaceRegistry;
21 import javax.jcr.Node;
22 import javax.jcr.RepositoryException;
23
24 import org.eclipse.jface.viewers.IStructuredContentProvider;
25 import org.eclipse.jface.viewers.Viewer;
26 import org.visualcontent.ui.UiPlugin;
27
28 class ViewContentProvider implements IStructuredContentProvider {
29
30     /**
31      * @param list
32      */
33     ViewContentProvider(NamespaceList aList) {
34     }
35
36     public void inputChanged(Viewer v, Object JavaDoc oldInput, Object JavaDoc newInput) {
37
38     }
39
40     public void dispose() {
41     }
42
43     public Object JavaDoc[] getElements(Object JavaDoc parent) {
44         String JavaDoc[] prefixes =null;
45         try {
46             Node contentNode = (Node) parent;
47             NamespaceRegistry namespaceReg = contentNode.getSession().getWorkspace().getNamespaceRegistry();
48             prefixes = namespaceReg.getPrefixes();
49         } catch (RepositoryException e) {
50             UiPlugin.getDefault().showError("Could not retrieve the Namespace Registry.",e);
51         }
52         return prefixes;
53     }
54 }
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