001package org.apache.maven.scm.provider.accurev.util; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import java.io.File; 023import java.io.IOException; 024 025public class WorkspaceUtils 026{ 027 public static boolean isSameFile( File file1, String filename2) 028 { 029 return isSameFile( file1, filename2 == null ? null : new File( filename2 ) ); 030 031 } 032 033 //We need to canonicalise the files (if we can) before we compare them.. 034 public static boolean isSameFile( File file1, File file2 ) 035 { 036 037 if ( file1 == file2 || ( file1 == null && file2 == null ) ) 038 { 039 return true; 040 } 041 042 if ( file1 == null || file2 == null ) 043 { 044 return false; 045 } 046 047 try 048 { 049 file1 = file1.getCanonicalFile(); 050 } 051 catch ( IOException ioEx ) 052 { 053 //Oh well, we'll compare the non-canonicalised file then. 054 } 055 056 try 057 { 058 file2 = file2.getCanonicalFile(); 059 } 060 catch ( IOException ioEx ) 061 { 062 //Oh well, we'll compare the non-canonicalised file then. 063 } 064 return file1.equals( file2 ); 065 } 066 067 private WorkspaceUtils() 068 { 069 // no op only to prevents class creation 070 } 071}