/**
* @param string
* @param pattern
* @param flags
* @return
* @throws XPathException
*/
private Sequence match(String string, String pattern, int flags) throws XPathException {
try {
Matcher matcher;
if (cachedRegexp == null
|| (!cachedRegexp.equals(pattern))
|| flags != cachedPattern.flags()) {
matcher = Pattern.compile(pattern, flags).matcher(string);
cachedPattern = matcher.pattern();
cachedRegexp = string;
} else {
matcher = cachedPattern.matcher(string);
}
if (!matcher.find()) {
return Sequence.EMPTY_SEQUENCE;
} else {
int items = matcher.groupCount() + 1;
Sequence seq = new ValueSequence();
seq.add(new StringValue(string));
for (int i = 1; i < items; i++) {
String val = matcher.group(i);
if (val == null) {
val = "";
}
seq.add(new StringValue(val));
}
return seq;
}
} catch (PatternSyntaxException e) {
throw new XPathException("Invalid regular expression: " + e.getMessage(), e);
}
}
public Sequence filter(Sequence[] args) throws org.exist.xquery.XPathException {
// Check input parameters
if (args.length != 2) {
return Sequence.EMPTY_SEQUENCE;
}
// Get regular expression
Pattern pattern = null;
String regexp = args[1].getStringValue();
if (cachedRegexp.equals(regexp) && cachedPattern != null) {
// Cached compiled pattern is available!
pattern = cachedPattern;
} else {
// Compile new pattern
pattern = Pattern.compile(regexp);
// Cache new pattern
cachedPattern = pattern;
cachedRegexp = regexp;
}
// Match pattern on string
Matcher matcher = pattern.matcher(args[0].getStringValue());
// Create response
Sequence result = new ValueSequence();
// Add each match to response sequence
while (matcher.find()) {
result.add(new StringValue(matcher.group()));
}
return result;
}
@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
Sequence result = new ValueSequence();
// Check input parameters
if (args.length == 0) {
String uuid = UUIDGenerator.getUUIDversion4();
result.add(new StringValue(uuid));
} else if (args.length == 1) {
String parameter = args[0].getStringValue();
String uuid = UUIDGenerator.getUUIDversion3(parameter);
result.add(new StringValue(uuid));
} else {
logger.error("Not a supported number of parameters");
throw new XPathException("Not a supported number of parameters");
}
return result;
}
/** @see BasicFunction#eval(Sequence[], Sequence) */
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
// Check input parameters
if (args.length != 1 && args.length != 2) {
return Sequence.EMPTY_SEQUENCE;
}
InputStream is = null;
ValidationReport vr = null;
try {
// Get inputstream of XML instance document
if (args[0].getItemType() == Type.ANY_URI || args[0].getItemType() == Type.STRING) {
// anyURI provided
String url = args[0].getStringValue();
// Fix URL
if (url.startsWith("/")) {
url = "xmldb:exist://" + url;
}
is = new URL(url).openStream();
} else if (args[0].getItemType() == Type.ELEMENT || args[0].getItemType() == Type.DOCUMENT) {
// Node provided
is = new NodeInputStream(context, args[0].iterate()); // new NodeInputStream()
} else {
LOG.error("Wrong item type " + Type.getTypeName(args[0].getItemType()));
throw new XPathException(
getASTNode(), "wrong item type " + Type.getTypeName(args[0].getItemType()));
}
// Perform validation
if (args.length == 1) {
// Validate using system catalog
vr = validator.validate(is);
} else {
// Validate using resource speciefied in second parameter
String url = args[1].getStringValue();
if (url.startsWith("/")) {
url = "xmldb:exist://" + url;
}
vr = validator.validate(is, url);
}
} catch (MalformedURLException ex) {
LOG.error(ex);
throw new XPathException(getASTNode(), "Invalid resource URI", ex);
} catch (ExistIOException ex) {
LOG.error(ex.getCause());
throw new XPathException(getASTNode(), "eXistIOexception", ex.getCause());
} catch (Exception ex) {
LOG.error(ex);
throw new XPathException(getASTNode(), "exception", ex);
} finally {
// Force release stream
try {
is.close();
} catch (IOException ex) {
LOG.debug("Attemted to close stream. ignore.", ex);
}
}
// Create response
if (isCalledAs("validate")) {
Sequence result = new ValueSequence();
result.add(new BooleanValue(vr.isValid()));
return result;
} else if (isCalledAs("validate-report")) {
MemTreeBuilder builder = context.getDocumentBuilder();
NodeImpl result = writeReport(vr, builder);
return result;
}
// Oops
LOG.error("invoked with wrong function name");
throw new XPathException("unknown function");
}
/**
* @throws org.exist.xquery.XPathException
* @see BasicFunction#eval(Sequence[], Sequence)
*/
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
// Check input parameters
if (args.length != 2) {
return Sequence.EMPTY_SEQUENCE;
}
ValidationReport report = new ValidationReport();
InputSource instance = null;
InputSource grammar = null;
try {
report.start();
// Get inputstream of XML instance document
instance = Shared.getInputSource(args[0].itemAt(0), context);
// Validate using resource specified in second parameter
grammar = Shared.getInputSource(args[1].itemAt(0), context);
// Special setup for compact notation
String grammarUrl = grammar.getSystemId();
SchemaReader schemaReader =
((grammarUrl != null) && (grammarUrl.endsWith(".rnc")))
? CompactSchemaReader.getInstance()
: null;
// Setup validation properties. see Jing interface
PropertyMapBuilder properties = new PropertyMapBuilder();
ValidateProperty.ERROR_HANDLER.put(properties, report);
// Register resolver for xmldb:exist:/// embedded URLs
ExistResolver resolver = new ExistResolver(brokerPool);
ValidateProperty.URI_RESOLVER.put(properties, resolver);
ValidateProperty.ENTITY_RESOLVER.put(properties, resolver);
// Setup driver
ValidationDriver driver = new ValidationDriver(properties.toPropertyMap(), schemaReader);
// Load schema
driver.loadSchema(grammar);
// Validate XML instance
driver.validate(instance);
} catch (MalformedURLException ex) {
LOG.error(ex.getMessage());
report.setException(ex);
} catch (ExistIOException ex) {
LOG.error(ex.getCause());
report.setException(ex);
} catch (Throwable ex) {
LOG.error(ex);
report.setException(ex);
} finally {
Shared.closeInputSource(instance);
Shared.closeInputSource(grammar);
report.stop();
}
// Create response
if (isCalledAs("jing")) {
Sequence result = new ValueSequence();
result.add(new BooleanValue(report.isValid()));
return result;
} else /* isCalledAs("jing-report") */ {
MemTreeBuilder builder = context.getDocumentBuilder();
NodeImpl result = Shared.writeReport(report, builder);
return result;
}
}
/**
* @throws org.exist.xquery.XPathException
* @see BasicFunction#eval(Sequence[], Sequence)
*/
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
// Check input parameters
if (args.length != 2) {
return Sequence.EMPTY_SEQUENCE;
}
ValidationReport report = new ValidationReport();
StreamSource instance = null;
StreamSource grammars[] = null;
try {
report.start();
// Get inputstream for instance document
instance = Shared.getStreamSource(args[0].itemAt(0), context);
// Validate using resource speciefied in second parameter
grammars = Shared.getStreamSource(args[1], context);
for (StreamSource grammar : grammars) {
String grammarUrl = grammar.getSystemId();
if (grammarUrl != null && !grammarUrl.endsWith(".xsd")) {
throw new XPathException("Only XML schemas (.xsd) are supported.");
}
}
// Prepare
String schemaLang = XMLConstants.W3C_XML_SCHEMA_NS_URI;
SchemaFactory factory = SchemaFactory.newInstance(schemaLang);
// Create grammar
Schema schema = factory.newSchema(grammars);
// Setup validator
Validator validator = schema.newValidator();
validator.setErrorHandler(report);
// Perform validation
validator.validate(instance);
} catch (MalformedURLException ex) {
LOG.error(ex.getMessage());
report.setException(ex);
} catch (ExistIOException ex) {
LOG.error(ex.getCause());
report.setException(ex);
} catch (Throwable ex) {
LOG.error(ex);
report.setException(ex);
} finally {
report.stop();
Shared.closeStreamSource(instance);
Shared.closeStreamSources(grammars);
}
// Create response
if (isCalledAs("jaxv")) {
Sequence result = new ValueSequence();
result.add(new BooleanValue(report.isValid()));
return result;
} else /* isCalledAs("jaxv-report") */ {
MemTreeBuilder builder = context.getDocumentBuilder();
NodeImpl result = Shared.writeReport(report, builder);
return result;
}
}
