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Java 8 parser library

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/*
 * Copyright (C) 2013 Raquel Pau and Albert Coroleu.
 * 
 * Walkmod is free software: you can redistribute it and/or modify it under the terms of the GNU
 * Lesser General Public License as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 * 
 * Walkmod 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 Lesser
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License along with Walkmod. If
 * not, see .
 */

package org.walkmod.javalang.comparators;

import java.util.Comparator;
import java.util.List;

import org.walkmod.javalang.ast.body.FieldDeclaration;
import org.walkmod.javalang.ast.body.VariableDeclarator;

public class FieldDeclarationComparator implements Comparator {

    @Override
    public int compare(FieldDeclaration fd1, FieldDeclaration fd2) {
        if (fd1.getType().equals(fd2.getType())) {
            List vds = fd1.getVariables();
            List vds2 = fd2.getVariables();
            if (vds == null || vds.size() == 0 || vds2 == null || vds2.size() == 0) {
                return -1;
            }
            if (vds.size() == vds2.size()) {
                if (vds.containsAll(vds2)) {
                    return 0;
                }
            }
        }
        return -1;
    }
}