/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed 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.
*/
/*
* $Id: Util.java,v 1.2.4.1 2005/09/14 09:37:34 pvedula Exp $
*/
package com.sun.org.apache.xalan.internal.xsltc.trax;
import java.io.InputStream;
import java.io.Reader;
import javax.xml.XMLConstants;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.stax.StAXResult;
import javax.xml.transform.stax.StAXSource;
import javax.xml.transform.stream.StreamSource;
import com.sun.org.apache.xalan.internal.xsltc.compiler.XSLTC;
import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
/**
* @author Santiago Pericas-Geertsen
*/
public final class Util {
public static String baseName(String name) {
return com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util.baseName(name);
}
public static String noExtName(String name) {
return com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util.noExtName(name);
}
public static String toJavaName(String name) {
return com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util.toJavaName(name);
}
/**
* Creates a SAX2 InputSource object from a TrAX Source object
*/
public static InputSource getInputSource(XSLTC xsltc, Source source)
throws TransformerConfigurationException
{
InputSource input = null;
String systemId = source.getSystemId();
try {
// Try to get InputSource from SAXSource input
if (source instanceof SAXSource) {
final SAXSource sax = (SAXSource)source;
input = sax.getInputSource();
// Pass the SAX parser to the compiler
try {
XMLReader reader = sax.getXMLReader();
/*
* Fix for bug 24695
* According to JAXP 1.2 specification if a SAXSource
* is created using a SAX InputSource the Transformer or
* TransformerFactory creates a reader via the
* XMLReaderFactory if setXMLReader is not used
*/
if (reader == null) {
try {
reader= XMLReaderFactory.createXMLReader();
} catch (Exception e ) {
try {
//Incase there is an exception thrown
// resort to JAXP
SAXParserFactory parserFactory =
SAXParserFactory.newInstance();
parserFactory.setNamespaceAware(true);
if (xsltc.isSecureProcessing()) {
try {
parserFactory.setFeature(
XMLConstants.FEATURE_SECURE_PROCESSING, true);
}
catch (org.xml.sax.SAXException se) {}
}
reader = parserFactory.newSAXParser()
.getXMLReader();
} catch (ParserConfigurationException pce ) {
throw new TransformerConfigurationException
("ParserConfigurationException" ,pce);
}
}
}
reader.setFeature
("http://xml.org/sax/features/namespaces",true);
reader.setFeature
("http://xml.org/sax/features/namespace-prefixes",false);
xsltc.setXMLReader(reader);
}catch (SAXNotRecognizedException snre ) {
throw new TransformerConfigurationException
("SAXNotRecognizedException ",snre);
}catch (SAXNotSupportedException snse ) {
throw new TransformerConfigurationException
("SAXNotSupportedException ",snse);
}catch (SAXException se ) {
throw new TransformerConfigurationException
("SAXException ",se);
}
}
// handle DOMSource
else if (source instanceof DOMSource) {
final DOMSource domsrc = (DOMSource)source;
final Document dom = (Document)domsrc.getNode();
final DOM2SAX dom2sax = new DOM2SAX(dom);
xsltc.setXMLReader(dom2sax);
// Try to get SAX InputSource from DOM Source.
input = SAXSource.sourceToInputSource(source);
if (input == null){
input = new InputSource(domsrc.getSystemId());
}
}
// handle StAXSource
else if (source instanceof StAXSource) {
final StAXSource staxSource = (StAXSource)source;
StAXEvent2SAX staxevent2sax = null;
StAXStream2SAX staxStream2SAX = null;
if (staxSource.getXMLEventReader() != null) {
final XMLEventReader xmlEventReader = staxSource.getXMLEventReader();
staxevent2sax = new StAXEvent2SAX(xmlEventReader);
xsltc.setXMLReader(staxevent2sax);
} else if (staxSource.getXMLStreamReader() != null) {
final XMLStreamReader xmlStreamReader = staxSource.getXMLStreamReader();
staxStream2SAX = new StAXStream2SAX(xmlStreamReader);
xsltc.setXMLReader(staxStream2SAX);
}
// get sax InputSource from StAXSource
input = SAXSource.sourceToInputSource(source);
if (input == null){
input = new InputSource(staxSource.getSystemId());
}
}
// Try to get InputStream or Reader from StreamSource
else if (source instanceof StreamSource) {
final StreamSource stream = (StreamSource)source;
final InputStream istream = stream.getInputStream();
final Reader reader = stream.getReader();
xsltc.setXMLReader(null); // Clear old XML reader
// Create InputSource from Reader or InputStream in Source
if (istream != null) {
input = new InputSource(istream);
}
else if (reader != null) {
input = new InputSource(reader);
}
else {
input = new InputSource(systemId);
}
}
else {
ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_UNKNOWN_SOURCE_ERR);
throw new TransformerConfigurationException(err.toString());
}
input.setSystemId(systemId);
}
catch (NullPointerException e) {
ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_NO_SOURCE_ERR,
"TransformerFactory.newTemplates()");
throw new TransformerConfigurationException(err.toString());
}
catch (SecurityException e) {
ErrorMsg err = new ErrorMsg(ErrorMsg.FILE_ACCESS_ERR, systemId);
throw new TransformerConfigurationException(err.toString());
}
return input;
}
}
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