001: /*
002: * The Apache Software License, Version 1.1
003: *
004: * Copyright (c) 1999 The Apache Software Foundation. All rights
005: * reserved.
006: *
007: * Redistribution and use in source and binary forms, with or without
008: * modification, are permitted provided that the following conditions
009: * are met:
010: *
011: * 1. Redistributions of source code must retain the above copyright
012: * notice, this list of conditions and the following disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The end-user documentation included with the redistribution, if
020: * any, must include the following acknowlegement:
021: * "This product includes software developed by the
022: * Apache Software Foundation (http://www.apache.org/)."
023: * Alternately, this acknowlegement may appear in the software itself,
024: * if and wherever such third-party acknowlegements normally appear.
025: *
026: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
027: * Foundation" must not be used to endorse or promote products derived
028: * from this software without prior written permission. For written
029: * permission, please contact apache@apache.org.
030: *
031: * 5. Products derived from this software may not be called "Apache"
032: * nor may "Apache" appear in their names without prior written
033: * permission of the Apache Group.
034: *
035: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
036: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
039: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046: * SUCH DAMAGE.
047: * ====================================================================
048: *
049: * This software consists of voluntary contributions made by many
050: * individuals on behalf of the Apache Software Foundation. For more
051: * information on the Apache Software Foundation, please see
052: * <http://www.apache.org/>.
053: *
054: */
055:
056: package com.sun.portal.providers.jsp.jasper3.jasper.compiler;
057:
058: import java.util.Hashtable;
059: import java.util.Enumeration;
060: import java.io.File;
061:
062: import com.sun.portal.providers.jsp.jasper3.jasper.JasperException;
063: import com.sun.portal.providers.jsp.jasper3.jasper.Constants;
064:
065: /**
066: * Generator for <jsp:include.../>
067: *
068: *
069: * @author Anil K. Vijendran
070: * @author Mandar Raje
071: */
072: public class IncludeGenerator extends GeneratorBase implements
073: ServiceMethodPhase {
074: String page;
075: boolean isExpression = false;
076: Hashtable params;
077:
078: public IncludeGenerator(Mark start, Hashtable attrs, Hashtable param)
079: throws JasperException {
080: page = (String) attrs.get("page");
081: if (page == null) {
082: throw new CompileException(start, Constants
083: .getString("jsp.error.include.tag"));
084: }
085: String flush = (String) attrs.get("flush");
086: if (flush == null) {
087: throw new CompileException(start, Constants
088: .getString("jsp.error.include.noflush"));
089: }
090: if (!flush.equals("true")) {
091: throw new CompileException(start, Constants
092: .getString("jsp.error.include.badflush"));
093: }
094: if (attrs.size() != 2) {
095: throw new CompileException(start, Constants
096: .getString("jsp.error.include.tag"));
097: }
098:
099: this .params = param;
100: isExpression = JspUtil.isExpression(page);
101: }
102:
103: public void generate(ServletWriter writer, Class phase) {
104: writer.println("{");
105: writer.pushIndent();
106: writer.println("String _jspx_qStr = \"\";");
107:
108: if (params.size() > 0) {
109: String sep = "?";
110: if (page.indexOf('?') > 0)
111: sep = "&";
112:
113: Enumeration en = params.keys();
114: while (en.hasMoreElements()) {
115: String key = (String) en.nextElement();
116: String[] value = (String[]) params.get(key);
117:
118: for (int i = 0; i < value.length; i++) {
119: if (JspUtil.isExpression(value[i]))
120: writer.println("_jspx_qStr = _jspx_qStr + \""
121: + sep + key + "=\" + "
122: + JspUtil.getExpr(value[i]) + ";");
123: else
124: writer.println("_jspx_qStr = _jspx_qStr + \""
125: + sep + key + "=\" + \"" + value[i]
126: + "\";");
127: sep = "&";
128: }
129: }
130: }
131: if (!isExpression)
132: writer.println("pageContext.include("
133: + writer.quoteString(page) + " + _jspx_qStr);");
134: else
135: writer.println("pageContext.include("
136: + JspUtil.getExpr(page) + " + _jspx_qStr);");
137:
138: writer.popIndent();
139: writer.println("}");
140: }
141: }
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