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    1   /*
    2    * $Id: ActionCommandBase.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.logging.Log;
    24  import org.apache.commons.logging.LogFactory;
    25  import org.apache.commons.chain.Context;
    26  import org.apache.struts.chain.contexts.ActionContext;
    27
    28  /**
    29   * <p>Simple abstract class which avoids frequent casting to
    30   * <code>ActionContext</code> in commands explicitly intended for use with
    31   * that class.</p>
    32   */
    33  public abstract class ActionCommandBase implements ActionCommand {
    34
    35      /**
    36       * <p> Provide Commons Logging instance for this class. </p>
    37       */
    38      private static final Log LOG =
    39          LogFactory.getLog(ActionCommandBase.class);
    40
    41      // See interface for Javadoc
    42      public abstract boolean execute(ActionContext actionContext)
    43          throws Exception;
    44
    45      // See interface for Javadoc
    46      public boolean execute(Context context)
    47          throws Exception {
    48          if (LOG.isDebugEnabled()) {
    49              LOG.debug("Executing " + getClass().getName());
    50          }
    51          return execute((ActionContext) context);
    52      }
    53  }