/*******************************************************************************
* Copyright (c) 2010 Neil Bartlett.
* 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:
* Neil Bartlett - initial API and implementation
******************************************************************************/
package bndtools.utils;
import java.util.Locale;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
public class ClassFolderFilter extends ViewerFilter {
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
if (element instanceof IProject && !((IProject) element).isOpen()) {
return false;
}
if (element instanceof IContainer) {
try {
IResource[] members = ((IContainer) element).members();
for (IResource member : members) {
if (member instanceof IFile && member.getName().toLowerCase(Locale.ENGLISH).endsWith(".class")) {
return true;
} else if (member instanceof IContainer) {
boolean memberResult = select(viewer, element, member);
if (memberResult)
return true;
}
}
} catch (CoreException e) {
// Ignore
}
}
return false;
}
}