kinman 2003/02/13 17:34:34 Added: jasper2/src/share/org/apache/jasper/tagplugins/jstl If.java Log: - Implement tag plugin for <c:if> Revision Changes Path 1.1 jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper/tagplugins/jstl/If.java Index: If.java =================================================================== /* * $Header: /home/cvs/jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper/tagplugins/jstl/If.java,v 1.1 2003/02/14 01:34:34 kinman Exp $ * $Revision: 1.1 $ * $Date: 2003/02/14 01:34:34 $ * * ==================================================================== * * The Apache Software License, Version 1.1 * * Copyright (c) 1999 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, if * any, must include the following acknowlegement: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowlegement may appear in the software itself, * if and wherever such third-party acknowlegements normally appear. * * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software * Foundation" must not be used to endorse or promote products derived * from this software without prior written permission. For written * permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache" * nor may "Apache" appear in their names without prior written * permission of the Apache Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * */ package org.apache.jasper.tagplugins.jstl; 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("pageContext.setAttribute("); ctxt.generateAttribute("var"); ctxt.generateJavaSource(", new Boolean(" + condV + ")," + scope + ");"); } ctxt.generateJavaSource("if (" + condV + "){"); ctxt.generateBody(); ctxt.generateJavaSource("}"); } }
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