public static org.dom4j.Document createDocument(DebugXML debugXML) {
final TransformerXMLReceiver identity = TransformerUtils.getIdentityTransformerHandler();
final LocationDocumentResult result = new LocationDocumentResult();
identity.setResult(result);
final ContentHandlerHelper helper =
new ContentHandlerHelper(
new ForwardingXMLReceiver(identity) {
@Override
public void startDocument() {}
@Override
public void endDocument() {}
});
try {
identity.startDocument();
debugXML.toXML(helper);
identity.endDocument();
} catch (SAXException e) {
throw new OXFException(e);
}
return result.getDocument();
}
public static String domToString(Node node) {
try {
Transformer transformer = TransformerUtils.getXMLIdentityTransformer();
DOMSource source = new DOMSource(node);
StringBuilderWriter writer = new StringBuilderWriter();
transformer.transform(source, new StreamResult(writer));
return writer.toString();
} catch (TransformerException e) {
throw new OXFException(e);
}
}
private XMLReceiver getDebugReceiver(final IndentedLogger indentedLogger) {
final TransformerXMLReceiver identity = TransformerUtils.getIdentityTransformerHandler();
final StringBuilderWriter writer = new StringBuilderWriter();
identity.setResult(new StreamResult(writer));
return new ForwardingXMLReceiver(identity) {
@Override
public void endDocument() throws SAXException {
super.endDocument();
// Log out at end of document
indentedLogger.logDebug("", "static state input", "input", writer.toString());
}
};
}
/** Compute a digest for a SAX source. */
public static byte[] getDigest(Source source) {
final DigestContentHandler digester = new DigestContentHandler();
TransformerUtils.sourceToSAX(source, digester);
return digester.getResult();
}
public StaticStateBits(
PipelineContext pipelineContext,
ExternalContext externalContext,
IndentedLogger indentedLogger,
String existingStaticStateDigest) {
final boolean computeDigest = isLogStaticStateInput || existingStaticStateDigest == null;
indentedLogger.startHandleOperation(
"", "reading input", "existing digest", existingStaticStateDigest);
final TransformerXMLReceiver documentReceiver =
TransformerUtils.getIdentityTransformerHandler();
final LocationDocumentResult documentResult = new LocationDocumentResult();
documentReceiver.setResult(documentResult);
final XMLUtils.DigestContentHandler digestReceiver =
computeDigest ? new XMLUtils.DigestContentHandler("MD5") : null;
final XMLReceiver extractorOutput;
if (isLogStaticStateInput) {
extractorOutput =
computeDigest
? new TeeXMLReceiver(
documentReceiver, digestReceiver, getDebugReceiver(indentedLogger))
: new TeeXMLReceiver(documentReceiver, getDebugReceiver(indentedLogger));
} else {
extractorOutput =
computeDigest ? new TeeXMLReceiver(documentReceiver, digestReceiver) : documentReceiver;
}
// Read the input through the annotator and gather namespace mappings
//
// Output of annotator is:
//
// o annotated page template (TODO: this should not include model elements)
// o extractor
//
// Output of extractor is:
//
// o static state document
// o optionally: digest
// o optionally: debug output
//
readInputAsSAX(
pipelineContext,
INPUT_ANNOTATED_DOCUMENT,
new XFormsAnnotatorContentHandler(
annotatedTemplate,
new XFormsExtractorContentHandler(extractorOutput, metadata),
metadata));
this.staticStateDocument = documentResult.getDocument();
this.staticStateDigest =
computeDigest ? NumberUtils.toHexString(digestReceiver.getResult()) : null;
assert !isLogStaticStateInput
|| existingStaticStateDigest == null
|| this.staticStateDigest.equals(existingStaticStateDigest);
indentedLogger.endHandleOperation("computed digest", this.staticStateDigest);
}
