Quelle JspApplicationContext.java Sprache: JAVA

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 jakarta.servlet.jsp;

import jakarta.el.ELContextListener;
import jakarta.el.ELResolver;
import jakarta.el.ExpressionFactory;

/**
* 
* Stores application-scoped information for the JSP container.
* 
*
* @since JSP 2.1
*/
public interface JspApplicationContext {

 /**
 * Registers an <code>ELContextListener</code> that will be notified whenever a new <code>ELContext</code> is
 * created.
 * 
 * At the very least, any <code>ELContext</code> instantiated will have reference to the <code>JspContext</code>
 * under <code>JspContext.class</code>.
 *
 * @param listener The listener to add
 */
 void addELContextListener(ELContextListener listener);

 /**
 * 
 * Adds an <code>ELResolver</code> to the chain of EL variable and property management within JSP pages and Tag
 * files.
 * 
 * 
 * JSP has a default set of ELResolvers to chain for all EL evaluation:
 * 
 * <ul>
 * <li><code>ImplicitObjectELResolver</code></li>
 * <li><code>ELResolver</code> instances registered with this method</li>
 * <li><code>MapELResolver</code></li>
 * <li><code>ListELResolver</code></li>
 * <li><code>ArrayELResolver</code></li>
 * <li><code>BeanELResolver</code></li>
 * <li><code>ScopedAttributeELResolver</code></li>
 * </ul>
 *
 * @param resolver an additional resolver
 *
 * @throws IllegalStateException if called after the application's <code>ServletContextListeners</code> have been
 * initialized.
 */
 void addELResolver(ELResolver resolver);

 /**
 * 
 * Returns the JSP container's <code>ExpressionFactory</code> implementation for EL use.
 * 
 *
 * @return an <code>ExpressionFactory</code> implementation
 */
 ExpressionFactory getExpressionFactory();

}

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