/**
* Copyright (C) 2005 - 2009 Eric Van Dewoestine
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.eclim.plugin.jdt.util;
import java.util.Comparator;
import org.eclipse.jdt.core.IJavaElement;
/**
* Comparator for sorting IJavaElement(s).
*
* @author Eric Van Dewoestine
*/
public class IJavaElementComparator
implements Comparator<IJavaElement>
{
/**
* {@inheritDoc}
*/
public int compare(IJavaElement o1, IJavaElement o2)
{
if(o1 == null && o2 == null){
return 0;
}else if(o2 == null){
return -1;
}else if(o1 == null){
return 1;
}
IJavaElement p1 = JavaUtils.getPrimaryElement(o1);
IJavaElement p2 = JavaUtils.getPrimaryElement(o2);
return p1.getElementType() - p2.getElementType();
}
/**
* {@inheritDoc}
*/
public boolean equals(Object obj)
{
if(obj instanceof IJavaElementComparator){
return true;
}
return false;
}
}