The version of Apache log4j used by SoundHelix.
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Compare.java
/*
* 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;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.File;
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;
}
private static final InputStream open(
final Class testClass,
final String fileName) throws IOException {
String resourceName = fileName;
if (fileName.startsWith("witness/")) {
resourceName = fileName.substring(fileName.lastIndexOf('/') + 1);
}
InputStream is = testClass.getResourceAsStream(resourceName);
if (is == null) {
File file = new File(fileName);
if (file.exists()) {
is = new FileInputStream(file);
} else {
throw new FileNotFoundException("Resource "
+ resourceName + " not found");
}
}
return is;
}
public static boolean compare(Class testClass,
final String file1,
final String file2)
throws IOException {
BufferedReader in1 = new BufferedReader(new FileReader(file1));
BufferedReader in2 = new BufferedReader(new InputStreamReader(
open(testClass, file2)));
try {
return compare(testClass, file1, file2, in1, in2);
} finally {
in1.close();
in2.close();
}
}
public static boolean compare(
Class testClass, 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(testClass, file1);
outputFile(testClass, file2);
return false;
}
}
// the second file is longer
if (in2.read() != -1) {
System.out.println(
"File [" + file2 + "] longer than file [" + file1 + "].");
outputFile(testClass, file1);
outputFile(testClass, file2);
return false;
}
return true;
}
/**
*
* Prints file on the console.
*
*/
private static void outputFile(Class testClass, String file)
throws IOException {
InputStream is = open(testClass, file);
BufferedReader in1 = new BufferedReader(new InputStreamReader(is));
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();
}
}