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/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.messaging.saaj.soap;
import com.sun.xml.messaging.saaj.LazyEnvelopeSource;
import com.sun.xml.messaging.saaj.SOAPExceptionImpl;
import com.sun.xml.messaging.saaj.util.JAXMStreamSource;
import com.sun.xml.messaging.saaj.util.LogDomainConstants;
import com.sun.xml.messaging.saaj.util.ParserPool;
import com.sun.xml.messaging.saaj.util.RejectDoctypeSaxFilter;
import com.sun.xml.messaging.saaj.util.transform.EfficientStreamingTransformer;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import javax.xml.parsers.SAXParser;
import jakarta.xml.soap.SOAPException;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.stax.StAXSource;
import javax.xml.transform.stream.StreamSource;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.logging.Logger;
/**
* EnvelopeFactory creates SOAP Envelope objects using different
* underlying implementations.
*/
public class EnvelopeFactory {
private static final String SAX_PARSER_POOL_SIZE_PROP_NAME = "com.sun.xml.messaging.saaj.soap.saxParserPoolSize";
private static final int DEFAULT_SAX_PARSER_POOL_SIZE = 5;
protected static final Logger
log = Logger.getLogger(LogDomainConstants.SOAP_DOMAIN,
"com.sun.xml.messaging.saaj.soap.LocalStrings");
private static ContextClassloaderLocal parserPool =
new ContextClassloaderLocal() {
@Override
protected ParserPool initialValue() throws Exception {
Integer poolSize = AccessController.doPrivileged(
new PrivilegedAction() {
@Override
public Integer run() {
try {
return Integer.getInteger(
SAX_PARSER_POOL_SIZE_PROP_NAME,
DEFAULT_SAX_PARSER_POOL_SIZE);
} catch (SecurityException se) {
return DEFAULT_SAX_PARSER_POOL_SIZE;
}
}
});
return new ParserPool(poolSize);
}
};
public static Envelope createEnvelope(Source src, SOAPPartImpl soapPart)
throws SOAPException
{
if (src instanceof JAXMStreamSource) {
try {
if (!SOAPPartImpl.lazyContentLength) {
((JAXMStreamSource) src).reset();
}
} catch (java.io.IOException ioe) {
log.severe("SAAJ0515.source.reset.exception");
throw new SOAPExceptionImpl(ioe);
}
}
if (src instanceof LazyEnvelopeSource) {
return lazy((LazyEnvelopeSource)src, soapPart);
}
if (soapPart.message.isLazySoapBodyParsing()) {
return parseEnvelopeStax(src, soapPart);
} else {
return parseEnvelopeSax(src, soapPart);
}
}
private static Envelope lazy(LazyEnvelopeSource src, SOAPPartImpl soapPart) throws SOAPException {
try {
StaxBridge staxBridge = new StaxLazySourceBridge(src, soapPart);
staxBridge.bridgeEnvelopeAndHeaders();
Envelope env = (Envelope) soapPart.getEnvelope();
env.setStaxBridge(staxBridge);
return env;
} catch (XMLStreamException e) {
throw new SOAPException(e);
}
}
static private XMLInputFactory xmlInputFactory = null;
private static Envelope parseEnvelopeStax(Source src, SOAPPartImpl soapPart)
throws SOAPException {
XMLStreamReader streamReader = null;
if (src instanceof StAXSource) {
streamReader = ((StAXSource) src).getXMLStreamReader();
}
try {
if (streamReader == null) {
if (xmlInputFactory == null) xmlInputFactory = XMLInputFactory.newInstance();
streamReader = xmlInputFactory.createXMLStreamReader(src);
}
// SaajStaxWriter saajWriter = new SaajStaxWriter(soapPart.message, soapPart.document);
// XMLStreamReaderToXMLStreamWriter readerWriterBridge = new XMLStreamReaderToXMLStreamWriter(
// streamReader, saajWriter, soapPart.getSOAPNamespace());
StaxBridge readerWriterBridge = new StaxReaderBridge(streamReader, soapPart);
//bridge will stop reading at body element, and parse upon request, so save it
//on the envelope
readerWriterBridge.bridgeEnvelopeAndHeaders();
Envelope env = (Envelope) soapPart.getEnvelope();
env.setStaxBridge(readerWriterBridge);
return env;
} catch (Exception e) {
throw new SOAPException(e);
}
}
private static Envelope parseEnvelopeSax(Source src, SOAPPartImpl soapPart)
throws SOAPException {
SAXParser saxParser = null;
ParserPool underlyingParserPool = parserPool.get();
try {
// Insert SAX filter to disallow Document Type Declarations since
// they are not legal in SOAP
if (src instanceof StreamSource) {
try {
saxParser = underlyingParserPool.get();
} catch (Exception e) {
log.severe("SAAJ0601.util.newSAXParser.exception");
throw new SOAPExceptionImpl(
"Couldn't get a SAX parser while constructing a envelope",
e);
}
InputSource is = SAXSource.sourceToInputSource(src);
if (is.getEncoding()== null && soapPart.getSourceCharsetEncoding() != null) {
is.setEncoding(soapPart.getSourceCharsetEncoding());
}
XMLReader rejectFilter;
try {
rejectFilter = new RejectDoctypeSaxFilter(saxParser);
} catch (Exception ex) {
log.severe("SAAJ0510.soap.cannot.create.envelope");
throw new SOAPExceptionImpl(
"Unable to create envelope from given source: ",
ex);
}
src = new SAXSource(rejectFilter, is);
}
try {
Transformer transformer =
EfficientStreamingTransformer.newTransformer();
DOMResult result = new DOMResult(soapPart);
transformer.transform(src, result);
Envelope env = (Envelope) soapPart.getEnvelope();
return env;
} catch (Exception ex) {
if (ex instanceof SOAPVersionMismatchException) {
throw (SOAPVersionMismatchException) ex;
}
log.severe("SAAJ0511.soap.cannot.create.envelope");
throw new SOAPExceptionImpl(
"Unable to create envelope from given source: ",
ex);
}
} finally {
//no matter what condition occurs, always return the parser to the pool
if (saxParser != null) {
underlyingParserPool.returnParser(saxParser);
}
}
}
}