/*
* $Header: /home/cvspublic/jakarta-tomcat/src/facade22/org/apache/tomcat/facade/TagPoolManagerInterceptor.java,v 1.2 2001/05/11 18:45:25 clucas Exp $
*
* ====================================================================
*
* 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
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* the documentation and/or other materials provided with the
* distribution.
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* 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.
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* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
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* 5. Products derived from this software may not be called "Apache"
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* ====================================================================
*
* This software consists of voluntary contributions made by many
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* [Additional notices, if required by prior licensing conditions]
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*/
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 <clucas@armassolutions.com>
* @see org.apache.jasper.runtime.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);
}
}
}
}