74 lines
2.6 KiB
Java
74 lines
2.6 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package javax.servlet;
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/**
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* This is the event class for notifications of changes to the attributes of the
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* servlet request in an application.
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*
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* @see ServletRequestAttributeListener
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* @since Servlet 2.4
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*/
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public class ServletRequestAttributeEvent extends ServletRequestEvent {
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private static final long serialVersionUID = 1L;
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private final String name;
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private final Object value;
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/**
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* Construct a ServletRequestAttributeEvent giving the servlet context of
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* this web application, the ServletRequest whose attributes are changing
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* and the name and value of the attribute.
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*
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* @param sc
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* the ServletContext that is sending the event.
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* @param request
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* the ServletRequest that is sending the event.
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* @param name
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* the name of the request attribute.
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* @param value
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* the value of the request attribute.
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*/
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public ServletRequestAttributeEvent(ServletContext sc,
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ServletRequest request, String name, Object value) {
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super(sc, request);
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this.name = name;
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this.value = value;
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}
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/**
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* Return the name of the attribute that changed on the ServletRequest.
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*
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* @return the name of the changed request attribute
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*/
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public String getName() {
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return this.name;
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}
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/**
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* Returns the value of the attribute that has been added, removed or
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* replaced. If the attribute was added, this is the value of the attribute.
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* If the attribute was removed, this is the value of the removed attribute.
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* If the attribute was replaced, this is the old value of the attribute.
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*
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* @return the value of the changed request attribute
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*/
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public Object getValue() {
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return this.value;
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}
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}
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