private void checkCachedStream(Message m, OutputStream osOriginal, boolean enabled)
throws Exception {
XMLStreamWriter writer = null;
if (enabled) {
writer = m.getContent(XMLStreamWriter.class);
} else {
writer = (XMLStreamWriter) m.get(XMLStreamWriter.class.getName());
}
if (writer instanceof CachingXmlEventWriter) {
CachingXmlEventWriter cache = (CachingXmlEventWriter) writer;
if (cache.getEvents().size() != 0) {
XMLStreamWriter origWriter = null;
try {
origWriter = StaxUtils.createXMLStreamWriter(osOriginal);
for (XMLEvent event : cache.getEvents()) {
StaxUtils.writeEvent(event, origWriter);
}
} finally {
StaxUtils.close(origWriter);
}
}
m.setContent(XMLStreamWriter.class, null);
return;
}
if (enabled) {
OutputStream os = m.getContent(OutputStream.class);
if (os != osOriginal && os instanceof CachedOutputStream) {
CachedOutputStream cos = (CachedOutputStream) os;
if (cos.size() != 0) {
cos.writeCacheTo(osOriginal);
}
}
}
}
@Override
protected void writeParts(
Message message,
Exchange exchange,
BindingOperationInfo operation,
MessageContentsList objs,
List<MessagePartInfo> parts) {
// TODO Auto-generated method stub
OutputStream out = message.getContent(OutputStream.class);
XMLStreamWriter origXmlWriter = message.getContent(XMLStreamWriter.class);
Service service = exchange.getService();
XMLStreamWriter xmlWriter = origXmlWriter;
CachingXmlEventWriter cache = null;
Object en = message.getContextualProperty(OUT_BUFFERING);
boolean allowBuffer = true;
boolean buffer = false;
if (en != null) {
buffer = Boolean.TRUE.equals(en) || "true".equals(en);
allowBuffer = !(Boolean.FALSE.equals(en) || "false".equals(en));
}
// need to cache the events in case validation fails or buffering is enabled
if (buffer || (allowBuffer && shouldValidate(message) && !isRequestor(message))) {
cache = new CachingXmlEventWriter();
try {
cache.setNamespaceContext(origXmlWriter.getNamespaceContext());
} catch (XMLStreamException e) {
// ignorable, will just get extra namespace decls
}
xmlWriter = cache;
out = null;
}
if (out != null
&& writeToOutputStream(message, operation.getBinding(), service)
&& !MessageUtils.isTrue(message.getContextualProperty(DISABLE_OUTPUTSTREAM_OPTIMIZATION))) {
if (xmlWriter != null) {
try {
xmlWriter.writeCharacters("");
xmlWriter.flush();
} catch (XMLStreamException e) {
throw new Fault(e);
}
}
DataWriter<OutputStream> osWriter = getDataWriter(message, service, OutputStream.class);
for (MessagePartInfo part : parts) {
if (objs.hasValue(part)) {
Object o = objs.get(part);
osWriter.write(o, part, out);
}
}
} else {
DataWriter<XMLStreamWriter> dataWriter = new CustomDataWriter(prismContext);
for (MessagePartInfo part : parts) {
if (objs.hasValue(part)) {
Object o = objs.get(part);
dataWriter.write(o, part, xmlWriter);
}
}
}
if (cache != null) {
try {
for (XMLEvent event : cache.getEvents()) {
StaxUtils.writeEvent(event, origXmlWriter);
}
} catch (XMLStreamException e) {
throw new Fault(e);
}
}
}