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WebListener.java
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WebListener.java
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/*
* Copyright (c) 2017, 2023 Oracle and/or its affiliates and others.
* 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 jakarta.servlet.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* This annotation is used to declare a WebListener.
*
* Any class annotated with WebListener must implement one or more of the
* {@link jakarta.servlet.ServletContextListener}, {@link jakarta.servlet.ServletContextAttributeListener},
* {@link jakarta.servlet.ServletRequestListener}, {@link jakarta.servlet.ServletRequestAttributeListener},
* {@link jakarta.servlet.http.HttpSessionListener}, or {@link jakarta.servlet.http.HttpSessionAttributeListener}, or
* {@link jakarta.servlet.http.HttpSessionIdListener} interfaces.
*
* @since Servlet 3.0
*/
@Target({ ElementType.TYPE })
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface WebListener {
/**
* Description of the listener
*
* @return description of the listener
*/
String value() default "";
}