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    1   /*
    2    * $Id: ActionCommand.java 471754 2006-11-06 14:55:09Z husted $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *  http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21  package org.apache.struts.chain.commands;
    22
    23  import org.apache.commons.chain.Command;
    24  import org.apache.struts.chain.contexts.ActionContext;
    25
    26  /**
    27   * <p>Marks a commons-chain <code>Command</code> which expects to operate upon
    28   * a Struts <code>ActionContext</code>.</p>
    29   */
    30  public interface ActionCommand extends Command {
    31      /**
    32       * @param actionContext The <code>Context</code> for the current request
    33       * @return TRUE if processing should halt
    34       * @throws Exception On any error
    35       */
    36      boolean execute(ActionContext actionContext)
    37          throws Exception;
    38  }