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package com.sun.xml.ws.encoding.fastinfoset;
import com.sun.xml.fastinfoset.stax.StAXDocumentSerializer;
import com.sun.xml.fastinfoset.stax.StAXDocumentParser;
import com.sun.xml.ws.api.pipe.Codec;
import com.sun.xml.ws.api.pipe.ContentType;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.SOAPVersion;
import com.sun.xml.ws.api.pipe.StreamSOAPCodec;
import com.sun.xml.ws.message.stream.StreamHeader;
import com.sun.xml.stream.buffer.XMLStreamBuffer;
import com.sun.xml.ws.encoding.ContentTypeImpl;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.stream.XMLStreamReader;
import javax.xml.ws.WebServiceException;
import java.io.OutputStream;
import java.io.InputStream;
import java.io.IOException;
import java.nio.channels.WritableByteChannel;
import java.nio.channels.ReadableByteChannel;
/**
* A stream SOAP codec for handling SOAP message infosets to fast
* infoset documents.
*
*
* This implementation currently defers to {@link StreamSOAPCodec} for the decoding
* using {@link XMLStreamReader}.
*
* @author Paul Sandoz
*/
public abstract class FastInfosetStreamSOAPCodec implements Codec {
private static final FastInfosetStreamReaderFactory READER_FACTORY = FastInfosetStreamReaderFactory.getInstance();
private StAXDocumentParser _statefulParser;
private StAXDocumentSerializer _serializer;
private final StreamSOAPCodec _soapCodec;
private final boolean _retainState;
protected final ContentType _defaultContentType;
/* package */ FastInfosetStreamSOAPCodec(StreamSOAPCodec soapCodec, SOAPVersion soapVersion, boolean retainState, String mimeType) {
// _soapCodec = StreamSOAPCodec.create(soapVersion);
_soapCodec = soapCodec;
_retainState = retainState;
_defaultContentType = new ContentTypeImpl(mimeType);
}
/* package */ FastInfosetStreamSOAPCodec(FastInfosetStreamSOAPCodec that) {
this._soapCodec = (StreamSOAPCodec) that._soapCodec.copy();
this._retainState = that._retainState;
this._defaultContentType = that._defaultContentType;
}
public String getMimeType() {
return _defaultContentType.getContentType();
}
public ContentType getStaticContentType(Packet packet) {
return getContentType(packet.soapAction);
}
public ContentType encode(Packet packet, OutputStream out) {
if (packet.getMessage() != null) {
final XMLStreamWriter writer = getXMLStreamWriter(out);
try {
packet.getMessage().writeTo(writer);
writer.flush();
} catch (XMLStreamException e) {
throw new WebServiceException(e);
}
}
return getContentType(packet.soapAction);
}
public ContentType encode(Packet packet, WritableByteChannel buffer) {
//TODO: not yet implemented
throw new UnsupportedOperationException();
}
public void decode(InputStream in, String contentType, Packet response) throws IOException {
response.setMessage(
_soapCodec.decode(getXMLStreamReader(in)));
}
public void decode(ReadableByteChannel in, String contentType, Packet response) {
throw new UnsupportedOperationException();
}
protected abstract StreamHeader createHeader(XMLStreamReader reader, XMLStreamBuffer mark);
protected abstract ContentType getContentType(String soapAction);
private XMLStreamWriter getXMLStreamWriter(OutputStream out) {
if (_serializer != null) {
_serializer.setOutputStream(out);
return _serializer;
} else {
return _serializer = FastInfosetCodec.createNewStreamWriter(out, _retainState);
}
}
private XMLStreamReader getXMLStreamReader(InputStream in) {
// If the _retainState is true (FI stateful) then pick up Codec assiciated XMLStreamReader
if (_retainState) {
if (_statefulParser != null) {
_statefulParser.setInputStream(in);
return _statefulParser;
} else {
return _statefulParser = FastInfosetCodec.createNewStreamReader(in, _retainState);
}
}
// Otherwise thread assiciated XMLStreamReader
return READER_FACTORY.doCreate(null, in, false);
}
/**
* Creates a new {@link FastInfosetStreamSOAPCodec} instance.
*
* @param version the SOAP version of the codec.
* @return a new {@link FastInfosetStreamSOAPCodec} instance.
*/
public static FastInfosetStreamSOAPCodec create(StreamSOAPCodec soapCodec, SOAPVersion version) {
return create(soapCodec, version, false);
}
/**
* Creates a new {@link FastInfosetStreamSOAPCodec} instance.
*
* @param version the SOAP version of the codec.
* @param retainState if true the Codec should retain the state of
* vocabulary tables for multiple encode/decode invocations.
* @return a new {@link FastInfosetStreamSOAPCodec} instance.
*/
public static FastInfosetStreamSOAPCodec create(StreamSOAPCodec soapCodec,
SOAPVersion version, boolean retainState) {
if(version==null)
// this decoder is for SOAP, not for XML/HTTP
throw new IllegalArgumentException();
switch(version) {
case SOAP_11:
return new FastInfosetStreamSOAP11Codec(soapCodec, retainState);
case SOAP_12:
return new FastInfosetStreamSOAP12Codec(soapCodec, retainState);
default:
throw new AssertionError();
}
}
}