// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// // $Source: /cvs/distapps/openmap/src/openmap/com/bbn/openmap/io/FormatException.java,v $// $RCSfile: FormatException.java,v $// $Revision: 1.3.2.1 $// $Date: 2004/10/14 18:27:01 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.io;import java.io.PrintStream;import java.io.PrintWriter;/** * This class is used for exceptions that result from some format * errors of the data when using the BinaryFile. */public class FormatException extends Exception {    /** nested exception that caused this one */    final private Throwable rootCause;    /**     * Construct a FormatException without a detail message.     */    public FormatException() {        super();        rootCause = null;    }    /**     * Construct a FormatException with a detail message.     *      * @param s the detail message     */    public FormatException(String s) {        super(s);        rootCause = null;    }    /**     * Construct a FormatException with a detail message and root     * cause.     *      * @param s the detail message     * @param rootCause the root cause (not null)     */    public FormatException(String s, Throwable rootCause) {        super(s + ": " + rootCause.getLocalizedMessage());        this.rootCause = rootCause;    }    /**     * Returns the exception that caused this one.     *      * @return the root exception, or null if there isn't one     */    public Throwable getRootCause() {        return rootCause;    }    /**     * Prints a backtrace of this exception and the rootCause (if any)     * to System.err.     */    public void printStackTrace() {        super.printStackTrace();        if (rootCause != null) {            System.err.println("With Root Cause:");            rootCause.printStackTrace();        }    }    /**     * Prints a backtrace of this exception and the rootCause (if any)     * to a stream.     *      * @param ps the stream to print to     */    public void printStackTrace(PrintStream ps) {        super.printStackTrace(ps);        if (rootCause != null) {            ps.println("With Root Cause:");            rootCause.printStackTrace(ps);        }    }    /**     * Prints a backtrace of this exception and the rootCause (if any)     * to a writer.     *      * @param pw the writer to print to     */    public void printStackTrace(PrintWriter pw) {        super.printStackTrace(pw);        if (rootCause != null) {            pw.println("With Root Cause:");            rootCause.printStackTrace(pw);        }    }}