1 /*******************************************************************************
2  * Copyright (c) 2000, 2011 IBM Corporation and others.
3  *
4  * This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License 2.0
6  * which accompanies this distribution, and is available at
7  * https://www.eclipse.org/legal/epl-2.0/
8  *
9  * SPDX-License-Identifier: EPL-2.0
10  *
11  * Contributors:
12  *     IBM Corporation - initial API and implementation
13  *******************************************************************************/
14 package org.eclipse.jdt.internal.corext.refactoring.util;
15 
16 import java.util.ArrayList;
17 import java.util.List;
18 
19 import org.eclipse.core.runtime.IAdaptable;
20 
21 import org.eclipse.core.resources.IFile;
22 
23 import org.eclipse.ltk.core.refactoring.Change;
24 import org.eclipse.ltk.core.refactoring.CompositeChange;
25 
26 
27 public class Changes {
28 
getModifiedFiles(Change[] changes)29 	public static IFile[] getModifiedFiles(Change[] changes) {
30 		List<IFile> result= new ArrayList<>();
31 		getModifiedFiles(result, changes);
32 		return result.toArray(new IFile[result.size()]);
33 	}
34 
getModifiedFiles(List<IFile> result, Change[] changes)35 	private static void getModifiedFiles(List<IFile> result, Change[] changes) {
36 		for (Change change : changes) {
37 			Object modifiedElement= change.getModifiedElement();
38 			if (modifiedElement instanceof IAdaptable) {
39 				IFile file= ((IAdaptable)modifiedElement).getAdapter(IFile.class);
40 				if (file != null)
41 					result.add(file);
42 			}
43 			if (change instanceof CompositeChange) {
44 				getModifiedFiles(result, ((CompositeChange)change).getChildren());
45 			}
46 		}
47 	}
48 
Changes()49 	private Changes() {
50 	}
51 }
52