001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * Portions Copyright Apache Software Foundation.
007: *
008: * The contents of this file are subject to the terms of either the GNU
009: * General Public License Version 2 only ("GPL") or the Common Development
010: * and Distribution License("CDDL") (collectively, the "License"). You
011: * may not use this file except in compliance with the License. You can obtain
012: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
013: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
014: * language governing permissions and limitations under the License.
015: *
016: * When distributing the software, include this License Header Notice in each
017: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
018: * Sun designates this particular file as subject to the "Classpath" exception
019: * as provided by Sun in the GPL Version 2 section of the License file that
020: * accompanied this code. If applicable, add the following below the License
021: * Header, with the fields enclosed by brackets [] replaced by your own
022: * identifying information: "Portions Copyrighted [year]
023: * [name of copyright owner]"
024: *
025: * Contributor(s):
026: *
027: * If you wish your version of this file to be governed by only the CDDL or
028: * only the GPL Version 2, indicate your decision by adding "[Contributor]
029: * elects to include this software in this distribution under the [CDDL or GPL
030: * Version 2] license." If you don't indicate a single choice of license, a
031: * recipient has the option to distribute your version of this file under
032: * either the CDDL, the GPL Version 2 or to extend the choice of license to
033: * its licensees as provided above. However, if you add GPL Version 2 code
034: * and therefore, elected the GPL Version 2 license, then the option applies
035: * only if the new code is made subject to such option by the copyright
036: * holder.
037: */
038:
039: package org.apache.taglibs.standard.lang.jstl;
040:
041: /**
042: *
043: * Represents any of the exception conditions that arise during the
044: * operation evaluation of the evaluator.
045: *
046: * @author Nathan Abramson - Art Technology Group
047: * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: tcfujii $
048: **/
049:
050: public class ELException extends Exception {
051: //-------------------------------------
052: // Member variables
053: //-------------------------------------
054:
055: Throwable mRootCause;
056:
057: //-------------------------------------
058: /**
059: *
060: * Constructor
061: **/
062: public ELException() {
063: super ();
064: }
065:
066: //-------------------------------------
067: /**
068: *
069: * Constructor
070: **/
071: public ELException(String pMessage) {
072: super (pMessage);
073: }
074:
075: //-------------------------------------
076: /**
077: *
078: * Constructor
079: **/
080: public ELException(Throwable pRootCause) {
081: mRootCause = pRootCause;
082: }
083:
084: //-------------------------------------
085: /**
086: *
087: * Constructor
088: **/
089: public ELException(String pMessage, Throwable pRootCause) {
090: super (pMessage);
091: mRootCause = pRootCause;
092: }
093:
094: //-------------------------------------
095: /**
096: *
097: * Returns the root cause
098: **/
099: public Throwable getRootCause() {
100: return mRootCause;
101: }
102:
103: //-------------------------------------
104: /**
105: *
106: * String representation
107: **/
108: public String toString() {
109: if (getMessage() == null) {
110: return mRootCause.toString();
111: } else if (mRootCause == null) {
112: return getMessage();
113: } else {
114: return getMessage() + ": " + mRootCause;
115: }
116: }
117:
118: //-------------------------------------
119: }
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