/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.log4j.util; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; public class Compare { static final int B1_NULL = -1; static final int B2_NULL = -2; static public boolean compare(String file1, String file2) throws FileNotFoundException, IOException { BufferedReader in1 = new BufferedReader(new FileReader(file1)); BufferedReader in2 = new BufferedReader(new FileReader(file2)); String s1; int lineCounter = 0; while((s1 = in1.readLine()) != null) { lineCounter++; String s2 = in2.readLine(); if(!s1.equals(s2)) { System.out.println("Files ["+file1+"] and ["+file2+"] differ on line " +lineCounter); System.out.println("One reads: ["+s1+"]."); System.out.println("Other reads:["+s2+"]."); return false; } } // the second file is longer if(in2.read() != -1) { System.out.println("File ["+file2+"] longer than file ["+file1+"]."); return false; } return true; } }