1 /*******************************************************************************
2 * Copyright (c) 2000, 2004 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Common Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/cpl-v10.html
9 * IBM Corporation - initial API and implementation
10 *******************************************************************************/
11 package net.sourceforge.phpdt.internal.corext.refactoring.util;
13 import java.util.ArrayList;
14 import java.util.List;
16 import net.sourceforge.phpdt.core.ICompilationUnit;
17 import net.sourceforge.phpdt.core.IJavaElement;
18 import net.sourceforge.phpdt.core.IMember;
19 import net.sourceforge.phpdt.core.IOpenable;
21 //import net.sourceforge.phpdt.internal.corext.Assert;
22 import org.eclipse.core.runtime.Assert;
24 import org.eclipse.core.resources.IFile;
25 import org.eclipse.core.resources.IResource;
27 public class ResourceUtil {
29 private ResourceUtil() {
32 public static IFile[] getFiles(ICompilationUnit[] cus) {
33 List files = new ArrayList(cus.length);
34 for (int i = 0; i < cus.length; i++) {
35 IResource resource = ResourceUtil.getResource(cus[i]);
36 if (resource != null && resource.getType() == IResource.FILE)
39 return (IFile[]) files.toArray(new IFile[files.size()]);
42 public static IFile getFile(ICompilationUnit cu) {
43 IResource resource = ResourceUtil.getResource(cu);
44 if (resource != null && resource.getType() == IResource.FILE)
45 return (IFile) resource;
50 // ----- other ------------------------------
53 * Finds an <code>IResource</code> for a given
54 * <code>ICompilationUnit</code>. If the parameter is a working copy then
55 * the <code>IResource</code> for the original element is returned.
57 public static IResource getResource(ICompilationUnit cu) {
58 return cu.getResource();
62 * Returns the <code>IResource</code> that the given <code>IMember</code>
67 public static IResource getResource(IMember member) {
68 Assert.isTrue(!member.isBinary());
69 return getResource(member.getCompilationUnit());
72 public static IResource getResource(Object o) {
73 if (o instanceof IResource)
75 if (o instanceof IJavaElement)
76 return getResource((IJavaElement) o);
80 private static IResource getResource(IJavaElement element) {
81 if (element.getElementType() == IJavaElement.COMPILATION_UNIT)
82 return getResource((ICompilationUnit) element);
83 else if (element instanceof IOpenable)
84 return element.getResource();