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1: /* TransformerException.java -- 2: Copyright (C) 2003, 2006 Free Software Foundation, Inc. 3: 4: This file is a part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2 of the License, or (at 9: your option) any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; if not, write to the Free Software 18: Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 19: USA 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package gnu.javax.crypto.assembly; 40: 41: import java.io.PrintStream; 42: import java.io.PrintWriter; 43: 44: /** 45: */ 46: public class TransformerException 47: extends Exception 48: { 49: private Throwable _exception = null; 50: 51: public TransformerException() 52: { 53: super(); 54: } 55: 56: public TransformerException(String details) 57: { 58: super(details); 59: } 60: 61: public TransformerException(Throwable cause) 62: { 63: super(); 64: 65: this._exception = cause; 66: } 67: 68: public TransformerException(String details, Throwable cause) 69: { 70: super(details); 71: 72: this._exception = cause; 73: } 74: 75: public Throwable getCause() 76: { 77: return _exception; 78: } 79: 80: /** 81: * Prints this exception's stack trace to <code>System.err</code>. If this 82: * exception has a root exception; the stack trace of the root exception is 83: * also printed to <code>System.err</code>. 84: */ 85: public void printStackTrace() 86: { 87: super.printStackTrace(); 88: if (_exception != null) 89: _exception.printStackTrace(); 90: } 91: 92: /** 93: * Prints this exception's stack trace to a print stream. If this exception 94: * has a root exception; the stack trace of the root exception is also printed 95: * to the print stream. 96: * 97: * @param ps the non-null print stream to which to print. 98: */ 99: public void printStackTrace(PrintStream ps) 100: { 101: super.printStackTrace(ps); 102: if (_exception != null) 103: _exception.printStackTrace(ps); 104: } 105: 106: /** 107: * Prints this exception's stack trace to a print writer. If this exception 108: * has a root exception; the stack trace of the root exception is also printed 109: * to the print writer. 110: * 111: * @param pw the non-null print writer to use for output. 112: */ 113: public void printStackTrace(PrintWriter pw) 114: { 115: super.printStackTrace(pw); 116: if (_exception != null) 117: _exception.printStackTrace(pw); 118: } 119: 120: /** 121: * Returns the string representation of this exception. The string 122: * representation contains this exception's class name, its detailed messsage, 123: * and if it has a root exception, the string representation of the root 124: * exception. This string representation is meant for debugging and not meant 125: * to be interpreted programmatically. 126: * 127: * @return the non-null string representation of this exception. 128: * @see Throwable#getMessage() 129: */ 130: public String toString() 131: { 132: StringBuffer sb = new StringBuffer(this.getClass().getName()) 133: .append(": ").append(super.toString()); 134: if (_exception != null) 135: sb.append("; caused by: ").append(_exception.toString()); 136: return sb.toString(); 137: } 138: }