/** Helper method for finding which style handler/version to use from the actual content. */
Object[] getVersionAndReader(Object input) throws IOException {
// need to determine version of sld from actual content
BufferedReader reader = null;
if (input instanceof InputStream) {
reader = RequestUtils.getBufferedXMLReader((InputStream) input, XML_LOOKAHEAD);
} else {
reader = RequestUtils.getBufferedXMLReader(toReader(input), XML_LOOKAHEAD);
}
if (!reader.ready()) {
return null;
}
String version;
try {
// create stream parser
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
// parse root element
XmlPullParser parser = factory.newPullParser();
parser.setInput(reader);
parser.nextTag();
version = null;
for (int i = 0; i < parser.getAttributeCount(); i++) {
if ("version".equals(parser.getAttributeName(i))) {
version = parser.getAttributeValue(i);
}
}
parser.setInput(null);
} catch (XmlPullParserException e) {
throw (IOException) new IOException("Error parsing content").initCause(e);
}
// reset input stream
reader.reset();
if (version == null) {
LOGGER.warning("Could not determine SLD version from content. Assuming 1.0.0");
version = "1.0.0";
}
return new Object[] {new Version(version), reader};
}
public WPSCapabilitiesType run(GetCapabilitiesType request) throws WPSException {
// do the version negotiation dance
List<String> provided = Collections.singletonList("1.0.0");
List<String> accepted = null;
if (request.getAcceptVersions() != null) accepted = request.getAcceptVersions().getVersion();
String version = RequestUtils.getVersionOws11(provided, accepted);
if (!"1.0.0".equals(version)) {
throw new WPSException("Could not understand version:" + version);
}
// TODO: add update sequence negotiation
// encode the response
Wps10Factory wpsf = Wps10Factory.eINSTANCE;
Ows11Factory owsf = Ows11Factory.eINSTANCE;
WPSCapabilitiesType caps = wpsf.createWPSCapabilitiesType();
caps.setVersion("1.0.0");
// TODO: make configurable
caps.setLang("en");
// ServiceIdentification
ServiceIdentificationType si = owsf.createServiceIdentificationType();
caps.setServiceIdentification(si);
si.getTitle().add(Ows11Util.languageString(wps.getTitle()));
si.getAbstract().add(Ows11Util.languageString(wps.getAbstract()));
KeywordsType kw = Ows11Util.keywords(wps.keywordValues());
;
if (kw != null) {
si.getKeywords().add(kw);
}
si.setServiceType(Ows11Util.code("WPS"));
si.getServiceTypeVersion().add("1.0.0");
si.setFees(wps.getFees());
if (wps.getAccessConstraints() != null) {
si.getAccessConstraints().add(wps.getAccessConstraints());
}
// ServiceProvider
ServiceProviderType sp = owsf.createServiceProviderType();
caps.setServiceProvider(sp);
// TODO: set provder name from context
GeoServerInfo geoServer = wps.getGeoServer().getGlobal();
if (geoServer.getContact().getContactOrganization() != null) {
sp.setProviderName(geoServer.getContact().getContactOrganization());
} else {
sp.setProviderName("GeoServer");
}
sp.setProviderSite(owsf.createOnlineResourceType());
sp.getProviderSite().setHref(geoServer.getOnlineResource());
sp.setServiceContact(responsibleParty(geoServer, owsf));
// OperationsMetadata
OperationsMetadataType om = owsf.createOperationsMetadataType();
caps.setOperationsMetadata(om);
OperationType gco = owsf.createOperationType();
gco.setName("GetCapabilities");
gco.getDCP().add(Ows11Util.dcp("wps", request));
om.getOperation().add(gco);
OperationType dpo = owsf.createOperationType();
dpo.setName("DescribeProcess");
dpo.getDCP().add(Ows11Util.dcp("wps", request));
om.getOperation().add(dpo);
OperationType eo = owsf.createOperationType();
eo.setName("Execute");
eo.getDCP().add(Ows11Util.dcp("wps", request));
om.getOperation().add(eo);
ProcessOfferingsType po = wpsf.createProcessOfferingsType();
caps.setProcessOfferings(po);
// gather the process list
for (ProcessFactory pf : Processors.getProcessFactories()) {
for (Name name : pf.getNames()) {
if (!getProcessBlacklist().contains(name)) {
ProcessBriefType p = wpsf.createProcessBriefType();
p.setProcessVersion(pf.getVersion(name));
po.getProcess().add(p);
p.setIdentifier(Ows11Util.code(name));
p.setTitle(Ows11Util.languageString(pf.getTitle(name)));
p.setAbstract(Ows11Util.languageString(pf.getDescription(name)));
}
}
}
// sort it
ECollections.sort(
po.getProcess(),
new Comparator() {
public int compare(Object o1, Object o2) {
ProcessBriefType pb1 = (ProcessBriefType) o1;
ProcessBriefType pb2 = (ProcessBriefType) o2;
final String id1 = pb1.getIdentifier().getValue();
final String id2 = pb2.getIdentifier().getValue();
return id1.compareTo(id2);
}
});
LanguagesType1 languages = wpsf.createLanguagesType1();
caps.setLanguages(languages);
DefaultType2 defaultLanguage = wpsf.createDefaultType2();
languages.setDefault(defaultLanguage);
defaultLanguage.setLanguage("en-US");
LanguagesType supportedLanguages = wpsf.createLanguagesType();
languages.setSupported(supportedLanguages);
supportedLanguages.getLanguage().add("en-US");
return caps;
// Version detection and alternative invocation if being implemented.
}