Utilities.java Source code

Introduction

Here is the source code for Utilities.java

Source

/*
 * Copyright (C) 2001-2003 Colin Bell
 * colbell@users.sourceforge.net
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

import java.io.*;
import java.text.NumberFormat;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * General purpose utilities functions.
 *
 * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
 */
public class Utilities {

    /**
     * Return the stack trace from the passed exception as a string
     *
     * @param  th  The exception to retrieve stack trace for.
     */
    public static String getStackTrace(Throwable th) {
        if (th == null) {
            throw new IllegalArgumentException("Throwable == null");
        }

        StringWriter sw = new StringWriter();
        try {
            PrintWriter pw = new PrintWriter(sw);
            try {
                th.printStackTrace(pw);
                return sw.toString();
            } finally {
                pw.close();
            }
        } finally {
            try {
                sw.close();
            } catch (IOException ex) {

            }
        }
    }

}