| /* |
| * Copyright 1999,2004 The Apache Software Foundation. |
| * |
| * 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 org.apache.log4j.util; |
| |
| import java.io.BufferedReader; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.util.zip.GZIPInputStream; |
| import java.io.*; |
| |
| |
| public class Compare { |
| static final int B1_NULL = -1; |
| static final int B2_NULL = -2; |
| |
| public static boolean compare(String file1, String file2) |
| throws IOException { |
| BufferedReader in1 = new BufferedReader(new FileReader(file1)); |
| InputStream is = Compare.class.getResourceAsStream("/" + file2); |
| if (is == null) { |
| is = new FileInputStream(file2); |
| } |
| BufferedReader in2 = new BufferedReader(new InputStreamReader(is)); |
| try { |
| return compare(file1, file2, in1, in2); |
| } finally { |
| in1.close(); |
| in2.close(); |
| } |
| } |
| |
| public static boolean compare(String file1, String file2, BufferedReader in1, BufferedReader in2) throws IOException { |
| |
| 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 + "]."); |
| outputFile(file1); |
| outputFile(file2); |
| |
| return false; |
| } |
| } |
| |
| // the second file is longer |
| if (in2.read() != -1) { |
| System.out.println( |
| "File [" + file2 + "] longer than file [" + file1 + "]."); |
| outputFile(file1); |
| outputFile(file2); |
| |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * |
| * Prints file on the console. |
| * |
| */ |
| private static void outputFile(String file) |
| throws FileNotFoundException, IOException { |
| BufferedReader in1 = new BufferedReader(new FileReader(file)); |
| |
| String s1; |
| int lineCounter = 0; |
| System.out.println("--------------------------------"); |
| System.out.println("Contents of " + file + ":"); |
| |
| while ((s1 = in1.readLine()) != null) { |
| lineCounter++; |
| System.out.print(lineCounter); |
| |
| if (lineCounter < 10) { |
| System.out.print(" : "); |
| } else if (lineCounter < 100) { |
| System.out.print(" : "); |
| } else if (lineCounter < 1000) { |
| System.out.print(" : "); |
| } else { |
| System.out.print(": "); |
| } |
| |
| System.out.println(s1); |
| } |
| in1.close(); |
| } |
| |
| public static boolean gzCompare(String file1, String file2) |
| throws FileNotFoundException, IOException { |
| BufferedReader in1 = new BufferedReader(new InputStreamReader(new GZIPInputStream(new FileInputStream(file1)))); |
| BufferedReader in2 = new BufferedReader(new InputStreamReader(new GZIPInputStream(new FileInputStream(file2)))); |
| try { |
| return gzCompare(file1, file2, in1, in2); |
| } finally { |
| in1.close(); |
| in2.close(); |
| } |
| } |
| |
| public static boolean gzCompare(String file1, String file2, BufferedReader in1, BufferedReader in2) throws IOException { |
| |
| 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 + "]."); |
| outputFile(file1); |
| outputFile(file2); |
| |
| return false; |
| } |
| } |
| |
| // the second file is longer |
| if (in2.read() != -1) { |
| System.out.println( |
| "File [" + file2 + "] longer than file [" + file1 + "]."); |
| outputFile(file1); |
| outputFile(file2); |
| |
| return false; |
| } |
| |
| return true; |
| } |
| } |