01: /*
02: * Copyright 1999-2004 The Apache Software Foundation
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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: import org.apache.commons.chain.Chain;
19: import org.apache.commons.chain.Command;
20: import org.apache.commons.chain.Context;
21:
22: /**
23: * <p>Implementation of {@link Command} that logs its identifier and
24: * and throws an Exception.</p>
25: *
26: * @author Craig R. McClanahan
27: * @version $Revision: 155403 $ $Date: 2005-02-26 12:52:46 +0000 (Sat, 26 Feb 2005) $
28: */
29: public class ExceptionCommand extends NonDelegatingCommand {
30:
31: // ------------------------------------------------------------ Constructor
32:
33: public ExceptionCommand() {
34: this ("");
35: }
36:
37: // Construct an instance that will log the specified identifier
38: public ExceptionCommand(String id) {
39: super (id);
40: }
41:
42: // -------------------------------------------------------- Command Methods
43:
44: // Execution method for this Command
45: public void execute(Context context, Chain chain) throws Exception {
46:
47: super .execute(context);
48: throw new ArithmeticException(this.id);
49:
50: }
51:
52: }
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