/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package net.sourceforge.phpdt.internal.corext.refactoring.util;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import net.sourceforge.phpdt.core.ICompilationUnit;
import net.sourceforge.phpdt.core.IJavaElement;
import net.sourceforge.phpdt.core.IMember;
import net.sourceforge.phpdt.core.IOpenable;
import net.sourceforge.phpdt.internal.corext.Assert;
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 IResource
for a given ICompilationUnit
.
* If the parameter is a working copy then the IResource
for
* the original element is returned.
*/
public static IResource getResource(ICompilationUnit cu) {
return cu.getResource();
}
/**
* Returns the IResource
that the given IMember
is defined in.
* @see #getResource
*/
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;
}
}