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Java > Open Source Codes > org > eclipse > compare > internal > StreamMergerDescriptor


1 /*******************************************************************************
2  * Copyright (c) 2004, 2006 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.compare.internal;
12
13 import org.eclipse.compare.IStreamMerger;
14 import org.eclipse.core.runtime.CoreException;
15 import org.eclipse.core.runtime.IConfigurationElement;
16
17 /**
18  * A factory proxy for creating a StructureCreator.
19  */
20 class StreamMergerDescriptor {
21     
22     private final static String JavaDoc CLASS_ATTRIBUTE= "class"; //$NON-NLS-1$
23
24     private IConfigurationElement fElement;
25     
26     /*
27      * Creates a new sorter node with the given configuration element.
28      */
29     public StreamMergerDescriptor(IConfigurationElement element) {
30         fElement= element;
31     }
32
33     /*
34      * Creates a new stream merger from this node.
35      */
36     public IStreamMerger createStreamMerger() {
37         try {
38             return (IStreamMerger)fElement.createExecutableExtension(CLASS_ATTRIBUTE);
39         } catch (CoreException ex) {
40             //ExceptionHandler.handle(ex, SearchMessages.getString("Search.Error.createSorter.title"), SearchMessages.getString("Search.Error.createSorter.message")); //$NON-NLS-2$ //$NON-NLS-1$
41 return null;
42         } catch (ClassCastException JavaDoc ex) {
43             //ExceptionHandler.displayMessageDialog(ex, SearchMessages.getString("Search.Error.createSorter.title"), SearchMessages.getString("Search.Error.createSorter.message")); //$NON-NLS-2$ //$NON-NLS-1$
44 return null;
45         }
46     }
47 }
48
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