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     */
017    package org.apache.commons.chain.impl;
018    
019    
020    import org.apache.commons.chain.Chain;
021    import org.apache.commons.chain.Command;
022    import org.apache.commons.chain.Context;
023    
024    
025    /**
026     * <p>Implementation of {@link Command} that logs its identifier and
027     * and throws an Exception.</p>
028     *
029     * @author Craig R. McClanahan
030     * @version $Revision: 480477 $ $Date: 2006-11-29 08:34:52 +0000 (Wed, 29 Nov 2006) $
031     */
032    public class ExceptionCommand extends NonDelegatingCommand {
033    
034    
035        // ------------------------------------------------------------ Constructor
036    
037    
038        public ExceptionCommand() {
039        this("");
040        }
041    
042    
043        // Construct an instance that will log the specified identifier
044        public ExceptionCommand(String id) {
045            super(id);
046        }
047    
048    
049        // -------------------------------------------------------- Command Methods
050    
051    
052        // Execution method for this Command
053        public void execute(Context context, Chain chain) throws Exception {
054    
055            super.execute(context);
056            throw new ArithmeticException(this.id);
057    
058        }
059    
060    
061    }