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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* http://www.netbeans.org/cddl-gplv2.html
* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at
* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the
* License Header, with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Contributor(s):
*
* The Original Software is NetBeans. The Initial Developer of the Original
* Software is Sun Microsystems, Inc. Portions Copyright 1997-2008 Sun
* Microsystems, Inc. All Rights Reserved.
*
* If you wish your version of this file to be governed by only the CDDL
* or only the GPL Version 2, indicate your decision by adding
* "[Contributor] elects to include this software in this distribution
* under the [CDDL or GPL Version 2] license." If you do not indicate a
* single choice of license, a recipient has the option to distribute
* your version of this file under either the CDDL, the GPL Version 2 or
* to extend the choice of license to its licensees as provided above.
* However, if you add GPL Version 2 code and therefore, elected the GPL
* Version 2 license, then the option applies only if the new code is
* made subject to such option by the copyright holder.
*/
package org.apache.jasper.compiler;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.jasper.JasperException;
import org.apache.jasper.JspCompilationContext;
import org.apache.jasper.Options;
/**
*
* @author Petr Jiricka
*/
public class ExtractPageData {
private final JspCompilationContext ctxt;
private final Options options;
private final CompilerHacks compHacks;
private boolean isXml;
private String sourceEnc;
/** Creates a new instance of ExtractPageData */
public ExtractPageData(JspCompilationContext ctxt) {
this.ctxt = ctxt;
options = ctxt.getOptions();
compHacks = new CompilerHacks(ctxt);
}
public boolean isXMLSyntax() throws JasperException, FileNotFoundException, IOException {
if (sourceEnc == null) {
extractPageData();
}
return isXml;
}
public String getEncoding() throws JasperException, FileNotFoundException, IOException {
if (sourceEnc == null) {
extractPageData();
}
return sourceEnc;
}
private void extractPageData() throws JasperException, FileNotFoundException, IOException {
// the following also sets up ErrorDispatcher and PageInfo in the compiler
Compiler comp = compHacks.getCompiler();
PageInfo pageInfo = comp.getPageInfo();
JspConfig jspConfig = options.getJspConfig();
JspProperty jspProperty = jspConfig.findJspProperty(ctxt.getJspFile());
/*
* If the current uri is matched by a pattern specified in
* a jsp-property-group in web.xml, initialize pageInfo with
* those properties.
*/
pageInfo.setELIgnored(JspUtil.booleanValue(jspProperty.isELIgnored()));
pageInfo.setScriptingInvalid(JspUtil.booleanValue(jspProperty.isScriptingInvalid()));
if (jspProperty.getIncludePrelude() != null) {
pageInfo.setIncludePrelude(jspProperty.getIncludePrelude());
}
if (jspProperty.getIncludeCoda() != null) {
pageInfo.setIncludeCoda(jspProperty.getIncludeCoda());
}
/*String javaFileName = ctxt.getServletJavaFileName();
// Setup the ServletWriter
String javaEncoding = ctxt.getOptions().getJavaEncoding();
OutputStreamWriter osw = null;
try {
osw = new OutputStreamWriter(new FileOutputStream(javaFileName),
javaEncoding);
} catch (UnsupportedEncodingException ex) {
errDispatcher.jspError("jsp.error.needAlternateJavaEncoding", javaEncoding);
}
ServletWriter writer = new ServletWriter(new PrintWriter(osw));
ctxt.setWriter(writer);*/
// Reset the temporary variable counter for the generator.
JspUtil.resetTemporaryVariableName();
// Parse the file
ParserControllerProxy parserCtl = new ParserControllerProxy(ctxt, comp);
parserCtl.extractSyntaxAndEncoding(ctxt.getJspFile());
isXml = parserCtl.isXml;
sourceEnc = parserCtl.sourceEnc;
}
}
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