Mercurial > hg > blitz_condensed
view src/com/go/trove/net/CheckedSocketException.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
---|---|
date | Sat, 21 Mar 2009 11:00:06 +0000 |
parents | |
children |
line wrap: on
line source
/* ==================================================================== * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group * ==================================================================== * The Tea Software License, Version 1.1 * * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Walt Disney Internet Group (http://opensource.go.com/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact opensource@dig.com. * * 5. Products derived from this software may not be called "Tea", * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior * written permission of the Walt Disney Internet Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * For more information about Tea, please see http://opensource.go.com/. */ package com.go.trove.net; import java.io.*; import java.net.*; import java.lang.ref.*; /****************************************************************************** * A SocketException that prints out additional detail in the message: address * and port of the socket. * * @author Brian S O'Neill * @version * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 01/01/22 <!-- $--> */ public class CheckedSocketException extends SocketException { static CheckedSocketException create (Exception cause, Socket source) { if (cause instanceof CheckedSocketException) { return (CheckedSocketException)cause; } else { return new CheckedSocketException(cause, source); } } static CheckedSocketException create (Exception cause, Socket source, String message) { if (cause instanceof CheckedSocketException) { return (CheckedSocketException)cause; } else { return new CheckedSocketException(cause, source, message); } } static String createMessagePrefix(Socket source) { return "[" + source.getLocalAddress().getHostAddress() + ':' + source.getLocalPort() + ',' + source.getInetAddress().getHostAddress() + ':' + source.getPort() + ']'; } private Exception mCause; private String mMessagePrefix; private Reference mSource; private CheckedSocketException(Exception cause, Socket source) { this(cause, source, cause.getMessage()); } private CheckedSocketException(Exception cause, Socket source, String message) { super(createMessagePrefix(source) + ' ' + message); mCause = cause; mMessagePrefix = createMessagePrefix(source); mSource = new WeakReference(source); } public Throwable getCause() { return mCause; } /** * Returns null if source socket has been reclaimed by the garbage * collector. */ public Socket getSource() { return (Socket)mSource.get(); } public void printStackTrace() { printStackTrace(System.err); } public void printStackTrace(PrintStream ps) { synchronized (ps) { ps.print(mMessagePrefix); ps.print(": "); mCause.printStackTrace(ps); } } public void printStackTrace(PrintWriter pw) { synchronized (pw) { pw.print(mMessagePrefix); pw.print(": "); mCause.printStackTrace(pw); } } }