Tomcat example source code file (HttpSessionBindingEvent.java)

This example Tomcat source code file (HttpSessionBindingEvent.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Tomcat tags/keywords

httpsession, httpsessionbindingevent, httpsessionbindingevent, httpsessionevent, httpsessionevent, object, object, string, string

The Tomcat HttpSessionBindingEvent.java source code

/*
* 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 javax.servlet.http;



/**
 *
 * Events of this type are either sent to an object that implements
 * {@link HttpSessionBindingListener} when it is bound or 
 * unbound from a session, or to a {@link HttpSessionAttributeListener} 
 * that has been configured in the deployment descriptor when any attribute is
 * bound, unbound or replaced in a session.
 *
 * <p>The session binds the object by a call to
 * <code>HttpSession.setAttribute and unbinds the object
 * by a call to <code>HttpSession.removeAttribute.
 *
 *
 *
 * @author		Various
 * @version		$Version$
 * 
 * @see 		HttpSession
 * @see 		HttpSessionBindingListener
 * @see			HttpSessionAttributeListener
 */

public class HttpSessionBindingEvent extends HttpSessionEvent {




    /* The name to which the object is being bound or unbound */

    private String name;
    
    /* The object is being bound or unbound */

    private Object value;
    
  

    /**
     *
     * Constructs an event that notifies an object that it
     * has been bound to or unbound from a session. 
     * To receive the event, the object must implement
     * {@link HttpSessionBindingListener}.
     *
     *
     *
     * @param session 	the session to which the object is bound or unbound
     *
     * @param name 	the name with which the object is bound or unbound
     *
     * @see			#getName
     * @see			#getSession
     *
     */

    public HttpSessionBindingEvent(HttpSession session, String name) {
	super(session);
	this.name = name;
    }
    
    /**
     *
     * Constructs an event that notifies an object that it
     * has been bound to or unbound from a session. 
     * To receive the event, the object must implement
     * {@link HttpSessionBindingListener}.
     *
     *
     *
     * @param session 	the session to which the object is bound or unbound
     *
     * @param name 	the name with which the object is bound or unbound
     *
     * @see			#getName
     * @see			#getSession
     *
     */
    
    public HttpSessionBindingEvent(HttpSession session, String name, Object value) {
	super(session);
	this.name = name;
	this.value = value;
    }
    
    
   	/** Return the session that changed. */
    public HttpSession getSession () { 
	return super.getSession();
    }
 
   
  
    
    /**
     *
     * Returns the name with which the attribute is bound to or
     * unbound from the session.
     *
     *
     * @return		a string specifying the name with which
     *			the object is bound to or unbound from
     *			the session
     *
     *
     */

    public String getName() {
	return name;
    }
    
    /**
	* Returns the value of the attribute that has been added, removed or replaced.
	* If the attribute was added (or bound), this is the value of the attribute. If the attribute was
	* removed (or unbound), this is the value of the removed attribute. If the attribute was replaced, this
	* is the old value of the attribute.
	*
        * @since 2.3
	*/
	
	public Object getValue() {
	    return this.value;   
	}
    
}