/**
* Process this instruction
*
* @param context the dynamic context of the transformation
* @return a TailCall to be executed by the caller, always null for this instruction
*/
public TailCall processLeavingTail(XPathContext context) throws XPathException {
Controller controller = context.getController();
SequenceReceiver out = context.getReceiver();
int opt = options;
int ann = annotation;
// we may need to change the namespace prefix if the one we chose is
// already in use with a different namespace URI: this is done behind the scenes
// by the Outputter
CharSequence value = expandChildren(context);
if (schemaType != null) {
// test whether the value actually conforms to the given type
XPathException err =
schemaType.validateContent(
value,
DummyNamespaceResolver.getInstance(),
context.getConfiguration().getNameChecker());
if (err != null) {
ValidationException verr =
new ValidationException(
"Attribute value "
+ Err.wrap(value, Err.VALUE)
+ " does not the match the required type "
+ schemaType.getDescription()
+ ". "
+ err.getMessage());
verr.setErrorCode("XTTE1540");
verr.setLocator(this);
throw verr;
}
} else if (validationAction == Validation.STRICT || validationAction == Validation.LAX) {
try {
ann = controller.getConfiguration().validateAttribute(nameCode, value, validationAction);
} catch (ValidationException e) {
DynamicError err = DynamicError.makeDynamicError(e);
String errorCode = e.getErrorCodeLocalPart();
if (errorCode == null) {
errorCode = (validationAction == Validation.STRICT ? "XTTE1510" : "XTTE1515");
}
err.setErrorCode(errorCode);
err.setXPathContext(context);
err.setLocator(this);
err.setIsTypeError(true);
throw err;
}
}
try {
out.attribute(nameCode, ann, value, locationId, opt);
} catch (XPathException err) {
throw dynamicError(this, err, context);
}
return null;
}
/**
* Get the dateTime value representing the nominal date/time of this transformation run. Two calls
* within the same query or transformation will always return the same answer.
*
* @param context the XPath dynamic context. May be null, in which case the current date and time
* are taken directly from the system clock
* @return the current xs:dateTime
*/
public static DateTimeValue getCurrentDateTime(XPathContext context) {
Controller c;
if (context == null || (c = context.getController()) == null) {
// non-XSLT/XQuery environment
// We also take this path when evaluating compile-time expressions that require an implicit
// timezone.
return new DateTimeValue(new GregorianCalendar(), true);
} else {
return c.getCurrentDateTime();
}
}
private TransformerHandler createTransformerHandler() {
try {
TransformerHandlerImpl transformerHandler =
(TransformerHandlerImpl) GENERIC_FACTORY.newTransformerHandler(templates);
TransformerImpl impl = (TransformerImpl) transformerHandler.getTransformer();
XsltTransformer xslt = impl.getUnderlyingXsltTransformer();
Controller controller = (Controller) xslt.getUnderlyingController();
if (configuration != null) {
for (Entry<String, Object> entry : configuration.entrySet()) {
String name = entry.getKey();
// is valid XSLT parameter name
if (XSLT_PARAMETER_NAME_PATTERN.matcher(name).matches()) {
xslt.setParameter(new QName(name), new XdmExternalObject(entry.getValue()));
}
}
}
controller.setErrorListener(new TraxErrorListener(LOG, source.toExternalForm()));
if (context != null) {
xslt.setParameter(CoreConstants.APPLICATION_CONTEXT_PARAM, new XdmExternalObject(context));
}
Map<String, Object> model = HttpContextHelper.getModel(parameters);
xslt.setParameter(CoreConstants.MODEL_PARAM, new XdmExternalObject(model));
if (parameters != null)
try {
ServletContext servletContext = HttpContextHelper.getServletContext(parameters);
xslt.setParameter(
CoreConstants.SERVLET_CONTEXT_PARAM, new XdmExternalObject(servletContext));
HttpServletRequest servletRequest = HttpContextHelper.getRequest(parameters);
HttpServletResponse servletResponse = HttpContextHelper.getResponse(parameters);
if (servletRequest != null) {
controller.setURIResolver(new SaxonResolver(servletRequest, servletResponse));
xslt.setParameter(
Message.LOCALE_PARAM,
new XdmExternalObject(RequestContextUtils.getLocale(servletRequest)));
xslt.setParameter(
CoreConstants.SERVLET_REQUEST_PARAM, new XdmExternalObject(servletRequest));
HttpSession session = servletRequest.getSession(false);
if (session != null) {
xslt.setParameter(
CoreConstants.SERVLET_SESSION_PARAM, new XdmExternalObject(session));
}
// add support for form binding
xslt.setParameter(
CoreConstants.REQUEST_CONTEXT_PARAM,
new XdmExternalObject(
new RequestContext(servletRequest, servletResponse, servletContext, model)));
}
if (servletResponse != null) {
xslt.setParameter(
CoreConstants.SERVLET_RESPONSE_PARAM, new XdmExternalObject(servletResponse));
}
} catch (IllegalStateException e) {
LOG.debug("Not a Servlet request!", e);
// @SuppressWarnings({"rawtypes", "unchecked"})
// HashMap<String, Object> model = (HashMap) parameters.get("model");
//
// HttpServletRequest servletRequest = new VirtualRequest();
// servletRequest.setAttribute(DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE,
// context);
// RequestContext requestContext = new RequestContext(servletRequest, model);
//
// transformer.setParameter(CoreConstants.REQUEST_CONTEXT_PARAM, requestContext);
}
return transformerHandler;
} catch (TransformerConfigurationException ex) {
throw new SetupException("Could not initialize transformer handler.", ex);
}
}
/**
* Get a Receiver that wraps a given Result object. Saxon calls this method to construct a
* serialization pipeline. The method can be overridden in a subclass; alternatively, the subclass
* can override the various methods used to instantiate components of the serialization pipeline.
*
* @param result The final destination of the serialized output. Usually a StreamResult, but other
* kinds of Result are possible.
* @param pipe The PipelineConfiguration.
* @param props The serialization properties
*/
public Receiver getReceiver(Result result, PipelineConfiguration pipe, Properties props)
throws XPathException {
if (result instanceof Emitter) {
((Emitter) result).setOutputProperties(props);
return (Emitter) result;
} else if (result instanceof Receiver) {
Receiver receiver = (Receiver) result;
receiver.setSystemId(result.getSystemId());
receiver.setPipelineConfiguration(pipe);
return receiver;
} else if (result instanceof SAXResult) {
ContentHandlerProxy proxy = newContentHandlerProxy();
proxy.setUnderlyingContentHandler(((SAXResult) result).getHandler());
proxy.setPipelineConfiguration(pipe);
proxy.setOutputProperties(props);
if ("yes".equals(props.getProperty(SaxonOutputKeys.SUPPLY_SOURCE_LOCATOR))) {
if (pipe.getConfiguration().isCompileWithTracing()) {
pipe.getController().addTraceListener(proxy.getTraceListener());
} else {
DynamicError de =
new DynamicError(
"Cannot use saxon:supply-source-locator unless tracing was enabled at compile time");
de.setErrorCode(SaxonErrorCode.SXSE0002);
throw de;
}
}
proxy.open();
return proxy;
} else if (result instanceof StreamResult) {
// The "target" is the start of the output pipeline, the Receiver that
// instructions will actually write to (except that other things like a
// NamespaceReducer may get added in front of it). The "emitter" is the
// last thing in the output pipeline, the Receiver that actually generates
// characters or bytes that are written to the StreamResult.
Receiver target;
String method = props.getProperty(OutputKeys.METHOD);
if (method == null) {
target = newUncommittedSerializer(result, props);
target.setPipelineConfiguration(pipe);
return target;
}
Emitter emitter;
CharacterMapExpander characterMapExpander = null;
String useMaps = props.getProperty(SaxonOutputKeys.USE_CHARACTER_MAPS);
if (useMaps != null) {
Controller controller = (pipe == null ? null : pipe.getController());
if (controller == null) {
DynamicError de =
new DynamicError("Cannot use character maps in an environment with no Controller");
de.setErrorCode(SaxonErrorCode.SXSE0001);
throw de;
}
characterMapExpander = controller.makeCharacterMapExpander(useMaps, this);
characterMapExpander.setPipelineConfiguration(pipe);
}
ProxyReceiver normalizer = null;
String normForm = props.getProperty(SaxonOutputKeys.NORMALIZATION_FORM);
if (normForm != null && !normForm.equals("none")) {
normalizer = newUnicodeNormalizer(pipe, props);
}
if ("html".equals(method)) {
emitter = newHTMLEmitter();
emitter.setPipelineConfiguration(pipe);
target = createHTMLSerializer(emitter, props, pipe, characterMapExpander, normalizer);
} else if ("xml".equals(method)) {
emitter = newXMLEmitter();
emitter.setPipelineConfiguration(pipe);
target = createXMLSerializer(emitter, props, pipe, normalizer, characterMapExpander);
} else if ("xhtml".equals(method)) {
emitter = newXHTMLEmitter();
emitter.setPipelineConfiguration(pipe);
target = createXHTMLSerializer(emitter, props, pipe, normalizer, characterMapExpander);
} else if ("text".equals(method)) {
emitter = newTEXTEmitter();
emitter.setPipelineConfiguration(pipe);
target = createTextSerializer(emitter, characterMapExpander, normalizer);
} else {
Receiver userReceiver;
if (pipe == null) {
throw new DynamicError("Unsupported serialization method " + method);
} else {
// See if this output method is recognized by the Configuration
userReceiver = pipe.getConfiguration().makeEmitter(method, pipe.getController());
userReceiver.setPipelineConfiguration(pipe);
if (userReceiver instanceof ContentHandlerProxy
&& "yes".equals(props.getProperty(SaxonOutputKeys.SUPPLY_SOURCE_LOCATOR))) {
if (pipe.getConfiguration().isCompileWithTracing()) {
pipe.getController()
.addTraceListener(((ContentHandlerProxy) userReceiver).getTraceListener());
} else {
DynamicError de =
new DynamicError(
"Cannot use saxon:supply-source-locator unless tracing was enabled at compile time");
de.setErrorCode(SaxonErrorCode.SXSE0002);
throw de;
}
}
target = userReceiver;
if (userReceiver instanceof Emitter) {
emitter = (Emitter) userReceiver;
} else {
return userReceiver;
}
}
}
emitter.setOutputProperties(props);
StreamResult sr = (StreamResult) result;
emitter.setStreamResult(sr);
return target;
} else {
if (pipe != null) {
// try to find an external object model that knows this kind of Result
List externalObjectModels = pipe.getConfiguration().getExternalObjectModels();
for (int m = 0; m < externalObjectModels.size(); m++) {
ExternalObjectModel model = (ExternalObjectModel) externalObjectModels.get(m);
Receiver builder = model.getDocumentBuilder(result);
if (builder != null) {
builder.setSystemId(result.getSystemId());
builder.setPipelineConfiguration(pipe);
return builder;
}
}
}
}
throw new IllegalArgumentException("Unknown type of result: " + result.getClass());
}
public void process(XPathContext context) throws XPathException {
// Prepare the SQL statement (only do this once)
Controller controller = context.getController();
Item conn = arguments[CONNECTION].evaluateItem(context);
if (!(conn instanceof ObjectValue
&& ((ObjectValue) conn).getObject() instanceof Connection)) {
DynamicError de =
new DynamicError("Value of connection expression is not a JDBC Connection");
de.setXPathContext(context);
throw de;
}
Connection connection = (Connection) ((ObjectValue) conn).getObject();
String dbCol = arguments[COLUMN].evaluateAsString(context);
String dbTab = arguments[TABLE].evaluateAsString(context);
String dbWhere = arguments[WHERE].evaluateAsString(context);
NamePool pool = controller.getNamePool();
int rowCode = pool.allocate("", "", rowTag);
int colCode = pool.allocate("", "", colTag);
PreparedStatement ps = null;
ResultSet rs = null;
DynamicError de = null;
try {
StringBuffer statement = new StringBuffer();
statement.append("SELECT " + dbCol + " FROM " + dbTab);
if (dbWhere != "") {
statement.append(" WHERE " + dbWhere);
}
// System.err.println("-> SQL: " + statement.toString());
// -- Prepare the SQL statement
ps = connection.prepareStatement(statement.toString());
controller.setUserData(this, "sql:statement", ps);
// -- Execute Statement
rs = ps.executeQuery();
// -- Print out Result
Receiver out = context.getReceiver();
String result = "";
int icol = rs.getMetaData().getColumnCount();
while (rs.next()) { // next row
// System.out.print("<- SQL : "+ rowStart);
out.startElement(rowCode, StandardNames.XDT_UNTYPED, locationId, 0);
for (int col = 1; col <= icol; col++) { // next column
// Read result from RS only once, because
// of JDBC-Specifications
result = rs.getString(col);
out.startElement(colCode, StandardNames.XDT_UNTYPED, locationId, 0);
if (result != null) {
out.characters(result, locationId, options);
}
out.endElement();
}
// System.out.println(rowEnd);
out.endElement();
}
// rs.close();
if (!connection.getAutoCommit()) {
connection.commit();
}
} catch (SQLException ex) {
de = new DynamicError("(SQL) " + ex.getMessage());
de.setXPathContext(context);
throw de;
} finally {
boolean wasDEThrown = (de != null);
if (rs != null) {
try {
rs.close();
} catch (SQLException ex) {
de = new DynamicError("(SQL) " + ex.getMessage());
de.setXPathContext(context);
}
}
if (ps != null) {
try {
ps.close();
} catch (SQLException ex) {
de = new DynamicError("(SQL) " + ex.getMessage());
de.setXPathContext(context);
}
}
if (!wasDEThrown && de != null) {
throw de; // test so we don't lose the real exception
}
}
}
/** Enumerate the results of the expression */
public SequenceIterator iterate(XPathContext context) throws XPathException {
Controller controller = context.getController();
Item arg2;
try {
arg2 = argument[2].evaluateItem(context);
} catch (XPathException e) {
if ("XPDY0002".equals(e.getErrorCodeLocalPart())) {
dynamicError(
"Cannot call the key() function when there is no context item", "XTDE1270", context);
return null;
} else if ("XPDY0050".equals(e.getErrorCodeLocalPart())) {
dynamicError(
"In the key() function,"
+ " the node supplied in the third argument (or the context node if absent)"
+ " must be in a tree whose root is a document node",
"XTDE1270",
context);
return null;
} else if ("XPTY0020".equals(e.getErrorCodeLocalPart())) {
dynamicError(
"Cannot call the key() function when the context item is an atomic value",
"XTDE1270",
context);
return null;
}
throw e;
}
NodeInfo origin = (NodeInfo) arg2;
NodeInfo root = origin.getRoot();
if (root.getNodeKind() != Type.DOCUMENT) {
dynamicError(
"In the key() function,"
+ " the node supplied in the third argument (or the context node if absent)"
+ " must be in a tree whose root is a document node",
"XTDE1270",
context);
return null;
}
DocumentInfo doc = (DocumentInfo) root;
int fprint = keyFingerprint;
if (fprint == -1) {
String givenkeyname = argument[0].evaluateItem(context).getStringValue();
try {
fprint =
controller
.getNamePool()
.allocateLexicalQName(
givenkeyname,
false,
nsContext,
controller.getConfiguration().getNameChecker())
& NamePool.FP_MASK;
} catch (XPathException err) {
dynamicError("Invalid key name: " + err.getMessage(), "XTDE1260", context);
}
if (fprint == -1) {
dynamicError("Key '" + givenkeyname + "' has not been defined", "XTDE1260", context);
return null;
}
}
// if (internal) {
// System.err.println("Using key " + fprint + " on doc " + doc);
// }
// If the second argument is a singleton, we evaluate the function
// directly; otherwise we recurse to evaluate it once for each Item
// in the sequence.
Expression expression = argument[1];
SequenceIterator allResults;
if (Cardinality.allowsMany(expression.getCardinality())) {
final XPathContext keyContext = context;
final DocumentInfo document = doc;
final KeyManager keyManager = controller.getKeyManager();
MappingFunction map =
new MappingFunction() {
// Map a value to the sequence of nodes having that value as a key value
public Object map(Item item) throws XPathException {
return keyManager.selectByKey(
keyFingerprint, document, (AtomicValue) item, keyContext);
}
};
SequenceIterator keys = argument[1].iterate(context);
SequenceIterator allValues = new MappingIterator(keys, map);
allResults = new DocumentOrderIterator(allValues, LocalOrderComparer.getInstance());
} else {
try {
AtomicValue keyValue = (AtomicValue) argument[1].evaluateItem(context);
if (keyValue == null) {
return EmptyIterator.getInstance();
}
KeyManager keyManager = controller.getKeyManager();
allResults = keyManager.selectByKey(fprint, doc, keyValue, context);
} catch (XPathException e) {
if (e.getLocator() == null) {
e.setLocator(this);
}
throw e;
}
}
if (origin == doc) {
return allResults;
}
SubtreeFilter filter = new SubtreeFilter();
filter.origin = origin;
return new ItemMappingIterator(allResults, filter);
}
public SequenceIterator iterate(XPathContext context) throws XPathException {
Controller controller = context.getController();
ObjectValue ov = (ObjectValue) controller.getParameter("{" + Test.TE_NS + "}core");
TECore core = (TECore) ov.getObject();
Expression[] argExpressions = getArguments();
String xml = "<params>\n";
List<QName> params = fe.getParams();
for (int i = 0; i < params.size(); i++) {
QName param = params.get(i);
xml += "<param";
xml += " local-name=\"" + param.getLocalPart() + "\"";
xml += " namespace-uri=\"" + param.getNamespaceURI() + "\"";
xml += " prefix=\"" + param.getPrefix() + "\"";
ValueRepresentation vr = ExpressionTool.eagerEvaluate(argExpressions[i], context);
// ValueRepresentation vr =
// ExpressionTool.lazyEvaluate(argExpressions[i], context, 1);
Value v = Value.asValue(vr);
try {
Node n = (Node) v.convertToJava(Node.class, context);
int type = n.getNodeType();
if (type == Node.ATTRIBUTE_NODE) {
xml += ">\n";
Attr attr = (Attr) n;
xml +=
"<value " + attr.getNodeName() + "=\"" + attr.getValue().replace("&", "&") + "\"";
if (attr.getPrefix() != null) {
xml += " xmlns:" + attr.getPrefix() + "=\"" + attr.getNamespaceURI() + "\"";
}
xml += "/>\n";
// } else if (type == Node.ELEMENT_NODE || type ==
// Node.DOCUMENT_NODE) {
// xml += ">\n";
// xml += "<value>";
// xml += DomUtils.serializeNode(n);
// xml += "</value>\n";
} else if (type == Node.ELEMENT_NODE) {
xml += " type=\"node()\">\n";
xml += "<value>";
xml += DomUtils.serializeNode(n);
xml += "</value>\n";
} else if (type == Node.DOCUMENT_NODE) {
xml += " type=\"document-node()\">\n";
xml += "<value>";
xml += DomUtils.serializeNode(n);
xml += "</value>\n";
} else {
ItemType it = v.getItemType(context.getConfiguration().getTypeHierarchy());
xml += " type=\"" + getTypeName(it) + "\">\n";
xml += "<value>" + n.getNodeValue() + "</value>\n";
}
} catch (Exception e) {
ItemType it = v.getItemType(context.getConfiguration().getTypeHierarchy());
xml += " type=\"" + getTypeName(it) + "\">\n";
xml += "<value>" + v.getStringValue() + "</value>\n";
}
xml += "</param>\n";
}
xml += "</params>";
// System.out.println(xml);
Source src = new StreamSource(new CharArrayReader(xml.toCharArray()));
// XdmValue result = null;
NodeInfo result = null;
try {
// result = core.executeTemplate(fe, Globals.builder.build(src),
// context);
NodeInfo paramsNode = core.getEngine().getBuilder().build(src).getUnderlyingNode();
result = core.executeXSLFunction(context, fe, paramsNode);
} catch (Exception e) {
throw new RuntimeException(e);
}
if (result == null) {
return EmptyIterator.getInstance();
} else {
// Value v = Value.asValue(result);
// return v.iterate();
return result.iterateAxis(Axis.CHILD);
}
}
