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/*******************************************************************************
* Copyright (c) 2000, 2005 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
* Code originate from org.eclipse.jdt.internal.ui.filters
*******************************************************************************/
package org.eclipse.jpt.jaxb.ui.internal.filters;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.JavaModelException;
/**
* Filters empty non-leaf package fragments
*/
public class EmptyInnerPackageFilter extends ViewerFilter {
/*
* @see ViewerFilter
*/
public boolean select(Viewer viewer, Object parent, Object element) {
if (element instanceof IPackageFragment) {
IPackageFragment pkg= (IPackageFragment)element;
try {
if (pkg.isDefaultPackage())
return pkg.hasChildren();
return !pkg.hasSubpackages() || pkg.hasChildren() || (pkg.getNonJavaResources().length > 0);
} catch (JavaModelException e) {
return false;
}
}
return true;
}
}
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