| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.refactoring.util; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.Assert; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IMember; |
| import org.eclipse.jdt.core.IOpenable; |
| |
| |
| public class ResourceUtil { |
| |
| private ResourceUtil(){ |
| } |
| |
| public static IFile[] getFiles(ICompilationUnit[] cus) { |
| List files= new ArrayList(cus.length); |
| for (int i= 0; i < cus.length; i++) { |
| IResource resource= ResourceUtil.getResource(cus[i]); |
| if (resource != null && resource.getType() == IResource.FILE) |
| files.add(resource); |
| } |
| return (IFile[]) files.toArray(new IFile[files.size()]); |
| } |
| |
| public static IFile getFile(ICompilationUnit cu) { |
| IResource resource= ResourceUtil.getResource(cu); |
| if (resource != null && resource.getType() == IResource.FILE) |
| return (IFile)resource; |
| else |
| return null; |
| } |
| |
| //----- other ------------------------------ |
| |
| /** |
| * Finds an <code>IResource</code> for a given <code>ICompilationUnit</code>. |
| * If the parameter is a working copy then the <code>IResource</code> for |
| * the original element is returned. |
| */ |
| public static IResource getResource(ICompilationUnit cu) { |
| return cu.getResource(); |
| } |
| |
| |
| /** |
| * Returns the <code>IResource</code> that the given <code>IMember</code> is defined in. |
| */ |
| public static IResource getResource(IMember member) { |
| Assert.isTrue(!member.isBinary()); |
| return getResource(member.getCompilationUnit()); |
| } |
| |
| public static IResource getResource(Object o){ |
| if (o instanceof IResource) |
| return (IResource)o; |
| if (o instanceof IJavaElement) |
| return getResource((IJavaElement)o); |
| return null; |
| } |
| |
| private static IResource getResource(IJavaElement element){ |
| if (element.getElementType() == IJavaElement.COMPILATION_UNIT) |
| return getResource((ICompilationUnit) element); |
| else if (element instanceof IOpenable) |
| return element.getResource(); |
| else |
| return null; |
| } |
| } |