/*******************************************************************************
* Copyright (c) 2003, 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
*******************************************************************************/
package org.eclipse.jst.j2ee.internal.plugin;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.jst.j2ee.common.internal.util.CommonUtil;
import org.eclipse.jst.j2ee.ejb.EnterpriseBean;
public class J2EEViewerSorter extends ViewerSorter {
/**
* Constructor for J2EEViewerSorter.
*/
public J2EEViewerSorter() {
super();
}
/**
* @see ViewerSorter#compare(Viewer, Object, Object)
*/
@Override
public int compare(Viewer viewer, Object e1, Object e2) {
if (shouldSort(e1, e2))
return super.compare(viewer, e1, e2);
return 0;
}
protected boolean isEnterpriseBean(Object o) {
return o instanceof EnterpriseBean;
}
protected boolean isDeploymentDescriptorRoot(Object o) {
return CommonUtil.isDeploymentDescriptorRoot(o);
}
protected boolean shouldSort(Object e1, Object e2) {
return (isDeploymentDescriptorRoot(e1) && isDeploymentDescriptorRoot(e2)) || (isEnterpriseBean(e1) && isEnterpriseBean(e2)) || ((e1 instanceof IFile) && (e2 instanceof IFile));
}
}