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1   /*
2    * $Id: ActionCommand.java 421119 2006-07-12 04:49:11Z wsmoak $
3    *
4    * Copyright 2003-2005 The Apache Software Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.struts.chain.commands;
19  
20  import org.apache.commons.chain.Command;
21  import org.apache.struts.chain.contexts.ActionContext;
22  
23  /***
24   * <p>Marks a commons-chain <code>Command</code> which expects to operate upon
25   * a Struts <code>ActionContext</code>.</p>
26   */
27  public interface ActionCommand extends Command {
28      /***
29       * @param actionContext The <code>Context</code> for the current request
30       * @return TRUE if processing should halt
31       * @throws Exception On any error
32       */
33      boolean execute(ActionContext actionContext)
34          throws Exception;
35  }