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ResourceInstantiationException |
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1 /* 2 * ResourceInstantiationException.java 3 * 4 * Copyright (c) 1998-2001, The University of Sheffield. 5 * 6 * This file is part of GATE (see http://gate.ac.uk/), and is free 7 * software, licenced under the GNU Library General Public License, 8 * Version 2, June 1991 (in the distribution as file licence.html, 9 * and also available at http://gate.ac.uk/gate/licence.html). 10 * 11 * Hamish Cunningham, 23/Oct/2000 12 * 13 * $Id: ResourceInstantiationException.java,v 1.7 2003/01/28 17:39:35 valyt Exp $ 14 */ 15 16 package gate.creole; 17 18 import gate.util.*; 19 20 /** This exception indicates failure during instantiation of resources, 21 * which may be due to a number of causes: 22 * <UL> 23 * <LI> 24 * the resource metadata contains parameters that aren't available on 25 * the resource; 26 * <LI> 27 * the class for the resource cannot be found (e.g. because a Jar URL was 28 * incorrectly specified); 29 * <LI> 30 * because access to the resource class is denied by the class loader; 31 * <LI> 32 * because of insufficient or incorrect resource metadata. 33 * </UL> 34 */ 35 public class ResourceInstantiationException extends GateException { 36 /** Debug flag */ 37 private static final boolean DEBUG = false; 38 private Exception exception = null; 39 40 public ResourceInstantiationException() { 41 super(); 42 } 43 44 public ResourceInstantiationException(String s) { 45 super(s); 46 } 47 48 public ResourceInstantiationException(Exception e) { 49 this.exception = e; 50 } 51 52 /** 53 * Overriden so we can print the enclosed exception's stacktrace too. 54 */ 55 public void printStackTrace(){ 56 printStackTrace(System.err); 57 } 58 59 /** 60 * Overriden so we can print the enclosed exception's stacktrace too. 61 */ 62 public void printStackTrace(java.io.PrintStream s) { 63 s.flush(); 64 super.printStackTrace(s); 65 if(exception != null){ 66 s.print(" Caused by:\n"); 67 exception.printStackTrace(s); 68 } 69 } 70 71 /** 72 * Overriden so we can print the enclosed exception's stacktrace too. 73 */ 74 public void printStackTrace(java.io.PrintWriter s) { 75 s.flush(); 76 super.printStackTrace(s); 77 if(exception != null){ 78 s.print(" Caused by:\n"); 79 exception.printStackTrace(s); 80 } 81 } 82 83 } // ResourceInstantiationException 84
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ResourceInstantiationException |
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