| /* |
| * 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.jackrabbit.oak.threadDump; |
| |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.LineNumberReader; |
| import java.io.PrintWriter; |
| |
| /** |
| * A tool that converts full thread dumps files to the "standard" format. |
| */ |
| public class ThreadDumpConverter { |
| |
| public static void main(String... args) throws IOException { |
| process(new File(args[0])); |
| } |
| |
| public static File process(File file) throws IOException { |
| String fileName = file.getName(); |
| if (fileName.endsWith(".txt")) { |
| fileName = fileName.substring(0, fileName.length() - ".txt".length()); |
| } |
| File target = new File(file.getParentFile(), fileName + ".converted.txt"); |
| PrintWriter writer = new PrintWriter(new BufferedWriter( |
| new FileWriter(target))); |
| try { |
| processFile(file, writer); |
| } finally { |
| writer.close(); |
| } |
| return target; |
| } |
| |
| private static void processFile(File file, PrintWriter writer) throws IOException { |
| LineNumberReader r = new LineNumberReader(new BufferedReader( |
| new FileReader(file))); |
| try { |
| process(r, writer); |
| } finally { |
| r.close(); |
| } |
| } |
| |
| private static void process(LineNumberReader reader, PrintWriter writer) throws IOException { |
| StringBuilder buff = new StringBuilder(); |
| while (true) { |
| String line = reader.readLine(); |
| if (line == null) { |
| break; |
| } |
| if (line.startsWith(" at ")) { |
| line = "\t" + line.substring(4); |
| } else if (line.startsWith(" Locked synchronizers")) { |
| line = " " + line.substring(4); |
| } else if (line.startsWith(" - locked ")) { |
| line = "\t" + line.substring(4); |
| } else if (line.startsWith(" owned by ")) { |
| line = "\t" + line.substring(4); |
| } |
| buff.append(line).append('\n'); |
| if (line.trim().length() == 0) { |
| writer.print(convert(buff.toString())); |
| buff = new StringBuilder(); |
| } |
| } |
| writer.println(convert(buff.toString())); |
| } |
| |
| private static String convert(String string) { |
| int endOfLine = string.indexOf('\n'); |
| String firstLine; |
| if (endOfLine < 0) { |
| firstLine = string; |
| } else { |
| firstLine = string.substring(0, endOfLine); |
| } |
| if (!firstLine.startsWith("\"")) { |
| return string; |
| } |
| String remainingText = string.substring(endOfLine); |
| for (Thread.State state : Thread.State.values()) { |
| int index = firstLine.indexOf(" in " + state.toString()); |
| if (index > 0) { |
| String stateName = firstLine.substring(index + 4, |
| index + 4 + state.toString().length()); |
| firstLine = firstLine.substring(0, index) + "\n"; |
| remainingText = " java.lang.Thread.State: "+ stateName + |
| remainingText; |
| } |
| } |
| return firstLine + remainingText; |
| } |
| |
| } |