org.apache.taglibs.standard.lang.jstl.ELException Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.taglibs.standard.lang.jstl;
/**
* Represents any of the exception conditions that arise during the
* operation evaluation of the evaluator.
*
* @author Nathan Abramson - Art Technology Group
*/
public class ELException
extends Exception {
//-------------------------------------
// Member variables
//-------------------------------------
Throwable mRootCause;
//-------------------------------------
/**
* Constructor
*/
public ELException() {
super();
}
//-------------------------------------
/**
* Constructor
*/
public ELException(String pMessage) {
super(pMessage);
}
//-------------------------------------
/**
* Constructor
*/
public ELException(Throwable pRootCause) {
mRootCause = pRootCause;
}
//-------------------------------------
/**
* Constructor
*/
public ELException(String pMessage,
Throwable pRootCause) {
super(pMessage);
mRootCause = pRootCause;
}
//-------------------------------------
/**
* Returns the root cause
*/
public Throwable getRootCause() {
return mRootCause;
}
//-------------------------------------
/**
* String representation
*/
public String toString() {
if (getMessage() == null) {
return mRootCause.toString();
} else if (mRootCause == null) {
return getMessage();
} else {
return getMessage() + ": " + mRootCause;
}
}
//-------------------------------------
}