1   /*
2    * Copyright 1999-2004 The Apache Software Foundation
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.chain.impl;
17  
18  
19  import org.apache.commons.chain.Chain;
20  import org.apache.commons.chain.Command;
21  import org.apache.commons.chain.Context;
22  
23  
24  /***
25   * <p>Implementation of {@link Command} that logs its identifier and
26   * and throws an Exception.</p>
27   *
28   * @author Craig R. McClanahan
29   * @version $Revision: 1.4 $ $Date: 2004/02/25 00:01:05 $
30   */
31  public class ExceptionCommand extends NonDelegatingCommand {
32  
33  
34      // ------------------------------------------------------------ Constructor
35  
36  
37      public ExceptionCommand() {
38      this("");
39      }
40  
41  
42      // Construct an instance that will log the specified identifier
43      public ExceptionCommand(String id) {
44          super(id);
45      }
46  
47  
48      // -------------------------------------------------------- Command Methods
49  
50  
51      // Execution method for this Command
52      public void execute(Context context, Chain chain) throws Exception {
53  
54          super.execute(context);
55          throw new ArithmeticException(this.id);
56  
57      }
58  
59  
60  }