protected static Pair<Filter, ConstraintLanguage> parseConstraint(
XMLAdapter adapter, OMElement omQueryElement) {
Pair<Filter, ConstraintLanguage> pc = null;
if (omQueryElement != null
&& new QName(CSWConstants.CSW_202_NS, "Constraint").equals(omQueryElement.getQName())) {
Version versionConstraint =
adapter.getRequiredNodeAsVersion(omQueryElement, new XPath("@version", nsContext));
OMElement filterEl = omQueryElement.getFirstChildWithName(new QName(OGCNS, "Filter"));
OMElement cqlTextEl = omQueryElement.getFirstChildWithName(new QName("", "CQLTEXT"));
if ((filterEl != null) && (cqlTextEl == null)) {
ConstraintLanguage constraintLanguage = ConstraintLanguage.FILTER;
Filter constraint;
try {
// TODO remove usage of wrapper (necessary at the moment to work around problems
// with AXIOM's
XMLStreamReader xmlStream =
new XMLStreamReaderWrapper(filterEl.getXMLStreamReaderWithoutCaching(), null);
// skip START_DOCUMENT
xmlStream.nextTag();
if (versionConstraint.equals(new Version(1, 1, 0))) {
constraint = Filter110XMLDecoder.parse(xmlStream);
} else if (versionConstraint.equals(new Version(1, 0, 0))) {
constraint = Filter100XMLDecoder.parse(xmlStream);
} else {
String msg =
Messages.get(
"CSW_FILTER_VERSION_NOT_SPECIFIED",
versionConstraint,
Version.getVersionsString(new Version(1, 1, 0)),
Version.getVersionsString(new Version(1, 0, 0)));
LOG.info(msg);
throw new InvalidParameterValueException(msg);
}
} catch (XMLStreamException e) {
String msg =
"FilterParsingException: There went something wrong while parsing the filter expression, so please check this!";
LOG.debug(msg);
throw new XMLParsingException(adapter, filterEl, e.getMessage());
}
pc = new Pair<Filter, CSWConstants.ConstraintLanguage>(constraint, constraintLanguage);
} else if ((filterEl == null) && (cqlTextEl != null)) {
String msg = Messages.get("CSW_UNSUPPORTED_CQL_FILTER");
LOG.info(msg);
throw new NotImplementedError(msg);
} else {
String msg = Messages.get("CSW_MISSING_FILTER_OR_CQL");
LOG.debug(msg);
throw new InvalidParameterValueException(msg);
}
}
return pc;
}
public DescribeRecord parse(Version version) {
if (version == null) {
version =
Version.parseVersion(
getRequiredNodeAsString(rootElement, new XPath("@version", nsContext)));
}
DescribeRecord result = null;
if (VERSION_202.equals(version)) {
result = parse202();
} else {
String msg =
Messages.get("UNSUPPORTED_VERSION", version, Version.getVersionsString(VERSION_202));
throw new InvalidParameterValueException(msg);
}
return result;
}
/**
* Parses a normalized KVP-map as a WFS {@link GetFeature} request.
*
* @param kvpParams normalized KVP-map; keys must be uppercase, each key only has one associated
* value
* @param nsMap only for 1.0.0 version; the prefix-namespace map given in the NamespaceHints in
* the configuration
* @return parsed {@link GetFeature} request
* @throws Exception
*/
public static GetFeature parse(Map<String, String> kvpParams, Map<String, String> nsMap)
throws Exception {
Version version = Version.parseVersion(KVPUtils.getRequired(kvpParams, "VERSION"));
GetFeature result = null;
if (VERSION_100.equals(version)) {
result = parse100(kvpParams, nsMap);
} else if (VERSION_110.equals(version)) {
result = parse110(kvpParams);
} else if (VERSION_200.equals(version)) {
result = parse200(kvpParams);
} else {
String msg =
Messages.get(
"UNSUPPORTED_VERSION",
version,
Version.getVersionsString(VERSION_100, VERSION_110, VERSION_200));
throw new InvalidParameterValueException(msg);
}
return result;
}
