platform/vcs-api/src/com/intellij/openapi/diff/impl/patch/formove/FilePathComparator.java

/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.openapi.diff.impl.patch.formove;

import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.vfs.VirtualFile;

import java.util.Comparator;

public final class FilePathComparator implements Comparator<VirtualFile> {
  private static final FilePathComparator ourInstance = new FilePathComparator();

  public static FilePathComparator getInstance() {
    return ourInstance;
  }

  public int compare(final VirtualFile o1, final VirtualFile o2) {
    if (Comparing.equal(o1, o2)) return 0;
    return o1.getPath().compareTo(o2.getPath());
  }
}