/*
* Copyright 2003-2004 The Apache Software Foundation
*
* Licensed 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.commons.attributes;
/**
* Thrown when an attribute repository class can't be
* loaded or instantiated.
*
* @since 2.1
*/
public class RepositoryError extends Error {
private final Throwable nested;
/**
* Create a new RepositoryError with no message or nested Throwable.
*
* @since 2.1
*/
public RepositoryError () {
this (null, null);
}
/**
* Create a new RepositoryError with a message but no nested Throwable.
*
* @param message the message.
* @since 2.1
*/
public RepositoryError (String message) {
this (message, null);
}
/**
* Create a new RepositoryError with a nested Throwable. The message is set to <code>nested.toString()</code>.
*
* @param nested the nested Throwable.
* @since 2.1
*/
public RepositoryError (Throwable nested) {
this (nested.toString(), nested);
}
/**
* Create a new RepositoryError with a message and nested Throwable.
*
* @param message the message.
* @param nested the nested Throwable.
* @since 2.1
*/
public RepositoryError (String message, Throwable nested) {
super (message);
this.nested = nested;
}
/**
* Get the nested Throwable if any.
*
* @return the Throwable that caused this Error to be thrown, or <code>null</code> if none exists.
* @since 2.1
*/
public Throwable getNested () {
return nested;
}
/**
* Get the nested Throwable, if any.
*
* @return the Throwable that caused this Error to be thrown, or <code>null</code> if none exists.
* @since 2.2
*/
public Throwable getCause () {
return nested;
}
}