| 1 | // jademx - JADE management using JMX |
| 2 | // Copyright 2005 Caboodle Networks, Inc. |
| 3 | // |
| 4 | // This library is free software; you can redistribute it and/or |
| 5 | // modify it under the terms of the GNU Lesser General Public |
| 6 | // License as published by the Free Software Foundation; either |
| 7 | // version 2.1 of the License, or (at your option) any later version. |
| 8 | // |
| 9 | // This library is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | // Lesser General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU Lesser General Public |
| 15 | // License along with this library; if not, write to the Free Software |
| 16 | // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| 17 | |
| 18 | package jade.jademx.util; |
| 19 | |
| 20 | //import jade.util.Logger; |
| 21 | |
| 22 | import java.io.PrintWriter; |
| 23 | import java.io.StringWriter; |
| 24 | |
| 25 | /** |
| 26 | * Throwable utility class. |
| 27 | * @author David Bernstein, <a href="http://www.caboodlenetworks.com" |
| 28 | * >Caboodle Networks, Inc.</a> |
| 29 | */ |
| 30 | public class ThrowableUtil { |
| 31 | |
| 32 | /** |
| 33 | * private to prevent instantiation |
| 34 | */ |
| 35 | private ThrowableUtil() { |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * convenience method to put stack trace in a string |
| 40 | * @param t throwable to get stack trace for |
| 41 | * @return throwable's stack trace as a string |
| 42 | */ |
| 43 | public static String stackTrace( Throwable t ) { |
| 44 | String s = null; |
| 45 | if ( null != t ) { |
| 46 | StringWriter sw = new StringWriter(); |
| 47 | PrintWriter pw = new PrintWriter( sw ); |
| 48 | t.printStackTrace( pw ); |
| 49 | s = sw.toString(); |
| 50 | } |
| 51 | return s; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * return message with throwable stack trace appended to i |
| 56 | * @param message message to return |
| 57 | * @param t throwable whose stack trace to include |
| 58 | * @return message with throwable stack trace appended to i |
| 59 | */ |
| 60 | public static String errMsg( String message, Throwable t ) { |
| 61 | return message + "\n" + stackTrace( t ); |
| 62 | } |
| 63 | |
| 64 | } |