001 /** 002 * www.jcoverage.com 003 * Copyright (C)2003 jcoverage ltd. 004 * 005 * This file is part of jcoverage. 006 * 007 * jcoverage is free software; you can redistribute it and/or modify 008 * it under the terms of the GNU General Public License as published 009 * by the Free Software Foundation; either version 2 of the License, 010 * or (at your option) any later version. 011 * 012 * jcoverage is distributed in the hope that it will be useful, but 013 * WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * General Public License for more details. 016 * 017 * You should have received a copy of the GNU General Public License 018 * along with jcoverage; if not, write to the Free Software 019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 020 * USA 021 * 022 */ 023 package com.jcoverage.reporting; 024 025 import java.io.PrintStream; 026 import java.io.PrintWriter; 027 028 /** 029 * A nestable exception supporting exception chaining. 030 */ 031 public class ReportingException extends Exception { 032 033 private Throwable cause; 034 035 /** 036 * Create the exception with just a message. Only use this 037 * constructor if there is no cause that can be attributed. 038 */ 039 public ReportingException(String s) { 040 super(s); 041 } 042 043 /** 044 * Create the exception with a message and cause. 045 */ 046 public ReportingException(String s,Throwable cause) { 047 super(s); 048 this.cause = cause; 049 } 050 051 public void printStackTrace() { 052 super.printStackTrace(); 053 if (cause!=null) { 054 System.err.println("Caused by: "); 055 cause.printStackTrace(); 056 } 057 } 058 059 public void printStackTrace(PrintStream out) { 060 super.printStackTrace(out); 061 if (cause!=null) { 062 out.println("Caused by: "); 063 cause.printStackTrace(out); 064 } 065 } 066 067 public void printStackTrace(PrintWriter out) { 068 super.printStackTrace(out); 069 if (cause!=null) { 070 out.println("Caused by: "); 071 cause.printStackTrace(out); 072 } 073 } 074 075 public String getMessage() { 076 StringBuffer sb=new StringBuffer(super.getMessage()); 077 if (cause!=null) { 078 sb.append("\nCaused by:\n"); 079 sb.append(cause.toString()); 080 } 081 return sb.toString(); 082 } 083 }