cvs commit: jakarta-tomcat/src/facade22/org/apache/tomcat/facade TagPoolManagerInterceptor.java

[costin]

costin      01/03/31 13:53:20

  Added:       src/facade22/org/apache/tomcat/facade
                        TagPoolManagerInterceptor.java
  Log:
  Moved the TagPoolManager in facade, since it needs access to
  jasper runtime ( which belongs to the facade level )
  
  Revision  Changes    Path
  1.1                  
jakarta-tomcat/src/facade22/org/apache/tomcat/facade/TagPoolManagerInterceptor.java
  
  Index: TagPoolManagerInterceptor.java
  ===================================================================
  /*
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact [EMAIL PROTECTED]
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   * [Additional notices, if required by prior licensing conditions]
   *
   */
  
  
  package org.apache.tomcat.facade;
  
  import org.apache.tomcat.core.*;
  import org.apache.jasper.runtime.TagPoolManager;
  import org.apache.jasper.runtime.TagPoolManagerImpl;
  
  /**
   * This interceptor sets up tag pooling if it is enabled, it will
   * add a TagPoolManagerImpl to the application context.  JSPs will
   * then find it and use tag pooling.  To disable tag pooling, just
   * dont include this interceptor.
   *
   * @author Casey Lucas <[EMAIL PROTECTED]>
   * @see TagPoolManager
   */
  public class TagPoolManagerInterceptor extends BaseInterceptor {
  
      /**
       * This hook is called when an application context is initialized.
       * Here, we add a TagPoolManagerImpl to the application context.
       *
       * @param ctx
       * @exception TomcatException
       */
      public synchronized void contextInit(Context ctx) throws TomcatException {
          if (debug>0) {
              log("Adding TagPoolManagerImpl: " + ctx);
          }
          TagPoolManager manager = (TagPoolManager) 
ctx.getAttribute(TagPoolManager.CONTEXT_ATTRIBUTE_NAME);
          if (manager != null) {
              if (debug>0) {
                  log("TagPoolManagerImpl already exists for: " + ctx);
              }
          } else {
              manager = new TagPoolManagerImpl();
              ctx.setAttribute(TagPoolManager.CONTEXT_ATTRIBUTE_NAME, manager);
          }
      }
  
      /**
       * This hook is called when an application context is shutdown. Here,
       * the TagPoolManagerImpl is removed from the application context.
       *
       * @param ctx
       * @exception TomcatException
       */
      public synchronized void contextShutdown(Context ctx) throws TomcatException {
          if (debug>0) {
              log("Removing TagPoolManagerImpl: " + ctx);
          }
          TagPoolManager manager = (TagPoolManager) 
ctx.getAttribute(TagPoolManager.CONTEXT_ATTRIBUTE_NAME);
          if (manager != null) {
              ctx.removeAttribute(TagPoolManager.CONTEXT_ATTRIBUTE_NAME);
              manager.shutdown();
          } else {
              if (debug>0) {
                  log("TagPoolManagerImpl not found for: " + ctx);
              }
          }
      }
  
  }