ThreadDumpFilter.java

/*
 * Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
 * Version 1.0, and under the Eclipse Public License, Version 1.0
 * (http://h2database.com/html/license.html).
 * Initial Developer: H2 Group
 */
package org.h2.dev.util;

import java.io.InputStreamReader;
import java.io.LineNumberReader;

/**
 * Filter full thread dumps from a log file.
 */
public class ThreadDumpFilter {

    /**
     * Usage: java ThreadDumpFilter <log.txt >threadDump.txt
     * @param a ignored
     */
    public static void main(String... a) throws Exception {
        LineNumberReader in = new LineNumberReader(new InputStreamReader(System.in));
        for (String s; (s = in.readLine()) != null;) {
            if (s.startsWith("Full thread")) {
                do {
                    System.out.println(s);
                    s = in.readLine();
                } while(s != null && (s.length() == 0 || " \t\"".indexOf(s.charAt(0)) >= 0));
            }
        }
    }
}