/* | |
* 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 org.apache.struts2.jasper.tagplugins.jstl.core; | |
import org.apache.struts2.jasper.compiler.tagplugin.TagPlugin; | |
import org.apache.struts2.jasper.compiler.tagplugin.TagPluginContext; | |
import org.apache.struts2.jasper.tagplugins.jstl.Util; | |
public class Remove implements TagPlugin { | |
public void doTag(TagPluginContext ctxt) { | |
//scope flag | |
boolean hasScope = ctxt.isAttributeSpecified("scope"); | |
//the value of the "var" | |
String strVar = ctxt.getConstantAttribute("var"); | |
//remove attribute from certain scope. | |
//default scope is "page". | |
if(hasScope){ | |
int iScope = Util.getScope(ctxt.getConstantAttribute("scope")); | |
ctxt.generateJavaSource("pageContext.removeAttribute(\"" + strVar + "\"," + iScope + ");"); | |
}else{ | |
ctxt.generateJavaSource("pageContext.removeAttribute(\"" + strVar + "\");"); | |
} | |
} | |
} |