001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 // 021 // This source code implements specifications defined by the Java 022 // Community Process. In order to remain compliant with the specification 023 // DO NOT add / change / or delete method signatures! 024 // 025 026 package javax.servlet.jsp.el; 027 028 029 /** 030 * Represents any of the exception conditions that arise during the 031 * operation evaluation of the evaluator. 032 * 033 * @since 2.0 034 */ 035 public class ELException 036 extends Exception 037 { 038 //------------------------------------- 039 // Member variables 040 //------------------------------------- 041 042 private Throwable mRootCause; 043 044 //------------------------------------- 045 /** 046 * Creates an ELException with no detail message. 047 **/ 048 public ELException () 049 { 050 super (); 051 } 052 053 //------------------------------------- 054 /** 055 * Creates an ELException with the provided detail message. 056 * 057 * @param pMessage the detail message 058 **/ 059 public ELException (String pMessage) 060 { 061 super (pMessage); 062 } 063 064 //------------------------------------- 065 /** 066 * Creates an ELException with the given root cause. 067 * 068 * @param pRootCause the originating cause of this exception 069 **/ 070 public ELException (Throwable pRootCause) 071 { 072 super( pRootCause.getLocalizedMessage() ); 073 mRootCause = pRootCause; 074 } 075 076 //------------------------------------- 077 /** 078 * Creates an ELException with the given detail message and root cause. 079 * 080 * @param pMessage the detail message 081 * @param pRootCause the originating cause of this exception 082 **/ 083 public ELException (String pMessage, 084 Throwable pRootCause) 085 { 086 super (pMessage); 087 mRootCause = pRootCause; 088 } 089 090 //------------------------------------- 091 /** 092 * Returns the root cause. 093 * 094 * @return the root cause of this exception 095 */ 096 public Throwable getRootCause () 097 { 098 return mRootCause; 099 } 100 }