/*
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 <http://www.gnu.org/licenses/>.*/
package org.walkmod.javalang.comparators;
import java.util.Comparator;
import org.walkmod.javalang.ast.body.EnumConstantDeclaration;
public class EnumConstantDeclarationComparator implements
Comparator<EnumConstantDeclaration> {
@Override
public int compare(EnumConstantDeclaration o1, EnumConstantDeclaration o2) {
if (o1.getName() == null || o2.getName() == null) {
throw new IllegalArgumentException(
"EnumConstantDeclaration must have a name in order to be compared "
+ o1 + "-" + o2);
}
return o1.getName().compareTo(o2.getName());
}
}