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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either
* the GNU General Public License Version 2 only ("GPL") or
* the Common Development and Distribution License("CDDL")
* (collectively, the "License"). You may not use this file
* except in compliance with the License. You can obtain a copy
* of the License at www.sun.com/CDDL or at COPYRIGHT. See the
* License for the specific language governing permissions and
* limitations under the License. When distributing the software,
* include this License Header Notice in each file and include
* the License file at /legal/license.txt. If applicable, add the
* following below the License Header, with the fields enclosed
* by brackets [] replaced by your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by
* only the CDDL or only the GPL Version 2, indicate your
* decision by adding "[Contributor] elects to include this
* software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice
* of license, a recipient has the option to distribute your
* version of this file under either the CDDL, the GPL Version
* 2 or to extend the choice of license to its licensees as
* provided above. However, if you add GPL Version 2 code and
* therefore, elected the GPL Version 2 license, then the
* option applies only if the new code is made subject to such
* option by the copyright holder.
*/
package com.sun.apoc.spi.file.profiles;
import java.util.Comparator;
import com.sun.apoc.spi.SPIException;
import com.sun.apoc.spi.entities.Entity;
import com.sun.apoc.spi.profiles.Profile;
/**
* Compares two FileProfiles according to their priority
*
*/
public class FileProfileComparator implements Comparator {
public int compare(Object aProfile1, Object aProfile2) {
int profDepth1;
int profDepth2;
Profile profile1 = (Profile)aProfile1;
Profile profile2 = (Profile)aProfile2;
if (profile1 == null) { return profile2 == null ? 0 : -1 ; }
if (profile2 == null) { return 1 ; }
profDepth1 = getProfileDepth(profile1);
profDepth2 = getProfileDepth(profile2);
if (profDepth1 != profDepth2 ) {
return profDepth1 - profDepth2;
}
if (profile1.getPriority() != profile2.getPriority()) {
return profile1.getPriority() - profile2.getPriority() ;
}
return profile1.getId().compareTo(profile2.getId());
}
private int getProfileDepth(Profile aProfile) {
int depth = 0;
try {
Entity entity = aProfile.getProfileRepository().getEntity();
while (entity != null ) {
depth++;
entity = entity.getParent();
}
} catch (SPIException e) {
// should not happend
}
return depth;
}
}
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