/*
* 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.jasper.tagplugins.jstl.core;
import org.apache.jasper.compiler.tagplugin.*;
public final class If implements TagPlugin {
public void doTag(TagPluginContext ctxt) {
String condV = ctxt.getTemporaryVariableName();
ctxt.generateJavaSource("boolean " + condV + "=");
ctxt.generateAttribute("test");
ctxt.generateJavaSource(";");
if (ctxt.isAttributeSpecified("var")) {
String scope = "PageContext.PAGE_SCOPE";
if (ctxt.isAttributeSpecified("scope")) {
String scopeStr = ctxt.getConstantAttribute("scope");
if ("request".equals(scopeStr)) {
scope = "PageContext.REQUEST_SCOPE";
} else if ("session".equals(scopeStr)) {
scope = "PageContext.SESSION_SCOPE";
} else if ("application".equals(scopeStr)) {
scope = "PageContext.APPLICATION_SCOPE";
}
}
ctxt.generateJavaSource("_jspx_page_context.setAttribute(");
ctxt.generateAttribute("var");
ctxt.generateJavaSource(", new Boolean(" + condV + ")," + scope + ");");
}
ctxt.generateJavaSource("if (" + condV + "){");
ctxt.generateBody();
ctxt.generateJavaSource("}");
}
}