collections-generic-4.01.src.java.org.apache.commons.collections15.BufferUnderflowException Maven / Gradle / Ivy

// GenericsNote: No conversion necessary.
/*
 *  Copyright 2002-2004 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.collections15;

import java.util.NoSuchElementException;

/**
 * The BufferUnderflowException is used when the buffer is already empty.
 * 
 * NOTE: From version 3.0, this exception extends NoSuchElementException.
 *
 * @author Avalon
 * @author Berin Loritsch
 * @author Jeff Turner
 * @author Paul Jack
 * @author Matt Hall, John Watkinson, Stephen Colebourne
 * @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:19 $
 * @since Commons Collections 2.1
 */
public class BufferUnderflowException extends NoSuchElementException {

    /**
     * The root cause throwable
     */
    private final Throwable throwable;

    /**
     * Constructs a new BufferUnderflowException.
     */
    public BufferUnderflowException() {
        super();
        throwable = null;
    }

    /**
     * Construct a new BufferUnderflowException.
     *
     * @param message the detail message for this exception
     */
    public BufferUnderflowException(String message) {
        this(message, null);
    }

    /**
     * Construct a new BufferUnderflowException.
     *
     * @param message   the detail message for this exception
     * @param exception the root cause of the exception
     */
    public BufferUnderflowException(String message, Throwable exception) {
        super(message);
        throwable = exception;
    }

    /**
     * Gets the root cause of the exception.
     *
     * @return the root cause
     */
    public final Throwable getCause() {
        return throwable;
    }

}