org.glassfish.jsp.api.ResourceInjector Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.jsp.api;
import javax.servlet.jsp.tagext.JspTag;
/**
* Interface for injecting injectable resources into tag handler instances.
*
* @author Jan Luehe
*/
public interface ResourceInjector {
/**
* Instantiates and injects the given tag handler class.
*
* @param clazz the tag handler class to be instantiated and injected
*
* @throws Exception if an error has occurred during instantiation or
* injection
*/
public T createTagHandlerInstance(Class clazz)
throws Exception;
/**
* Invokes any @PreDestroy methods defined on the instance's class
* (and super-classes).
*
* @param handler The tag handler instance whose @PreDestroy methods
* to call
*/
public void preDestroy(JspTag handler);
}