/*

  * Copyright 2001-2004 The Apache Software Foundation

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.apache.commons.cache.tagext;

 import javax.servlet.jsp.JspTagException;

 import javax.servlet.jsp.JspException;

 import javax.servlet.jsp.tagext.TagSupport;

 import java.io.Serializable;

 /**

  * tk.

  * @version $Id: ClearCacheTag.java 155435 2005-02-26 13:17:27Z dirkv $

  * @author Rodney Waldhoff

  */

 public class ClearCacheTag extends TagSupport {

   protected Serializable _key = null;

   protected Serializable _group = null;

   protected String _name = null;

   public void setName(String name) {

      _name = name;

   }

   public void setKey(String key) {

     _key = key;

   }

 // weblogic reflection doesn't work very well

 /*

   public void setKey(Serializable key) {

     _key = key;

   }

 */

   public void setGroup(String group) {

     _group = group;

   }

 // weblogic reflection doesn't work very well

 /*

   public void setGroup(Serializable group) {

     _group = group;

   }

 */

   public ClearCacheTag() {

     _group = null;

     _key = null;

   }

   public int doStartTag() {

     return SKIP_BODY;

   }

   public int doEndTag() throws JspException {

     if(null != _key) {

       CacheTag.getCache(_name).clear(_key);

     } else if(null != _group) {

       CacheTag.getCache(_name).clearGroup(_group);

     } else {

       CacheTag.getCache(_name).clear();

     }

     return EVAL_PAGE;

   }

   public void release() {

     _group = null;

     _key = null;

     _name = null;

   }

 }