/*
 * 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.
 */
public class RepositoryError extends Error {
   
    private final Throwable nested;
    
    public RepositoryError () {
        this (null, null);
    }
    
    public RepositoryError (String message) {
        this (message, null);
    }
    
    public RepositoryError (Throwable nested) {
        this (nested.toString(), nested);
    }
    
    public RepositoryError (String message, Throwable nested) {
        super (message);
        this.nested = nested;
    }
    
    public Throwable getNested () {
        return nested;
    }
}