001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.chain.impl;
018
019import org.apache.commons.chain.Chain;
020import org.apache.commons.chain.Command;
021import org.apache.commons.chain.Context;
022
023/**
024 * Implementation of {@link Command} that logs its identifier and
025 * and throws an Exception.
026 *
027 * @author Craig R. McClanahan
028 * @version $Revision$ $Date$
029 */
030public class ExceptionCommand extends NonDelegatingCommand {
031
032    // ------------------------------------------------------------ Constructor
033
034    public ExceptionCommand() {
035        this("");
036    }
037
038    /**
039     * Construct an instance that will log the specified identifier
040     *
041     * @param id identifier to log for this Command instance
042     */
043    public ExceptionCommand(String id) {
044        super(id);
045    }
046
047    // -------------------------------------------------------- Command Methods
048
049    /**
050     * Execution method for this Command
051     *
052     * @param context
053     * @param chain
054     *
055     * @throws Exception any error
056     */
057    public void execute(Context context, Chain<Context> chain) throws Exception {
058        super.execute(context);
059        throw new ArithmeticException(this.id);
060    }
061}