public void write(Object value, OutputStream output, Operation operation) throws IOException {
TransformerBase tx = (TransformerBase) value;
try {
tx.transform(operation.getParameters()[0], output);
} catch (TransformerException e) {
throw new IOException(e);
}
}
/**
* Ensures that the operation being executed is a GetFeature operation.
*
* <p>Subclasses may implement
*/
public boolean canHandle(Operation operation) {
// GetFeature operation?
if ("GetFeature".equalsIgnoreCase(operation.getId())
|| "GetFeatureWithLock".equalsIgnoreCase(operation.getId())) {
// also check that the resultType is "results"
GetFeatureRequest req = GetFeatureRequest.adapt(operation.getParameters()[0]);
if (req.isResultTypeResults()) {
// call subclass hook
return canHandleInternal(operation);
}
}
return false;
}
public String getMimeType(Object value, Operation operation) {
Object request = operation.getParameters()[0];
if (request instanceof GetExecutionStatusType) {
return "text/xml";
} else if (request instanceof GetExecutionResultType) {
GetExecutionResultType ger = (GetExecutionResultType) request;
if (ger.getMimeType() != null) {
return ger.getMimeType();
} else {
// generic binary output...
return "application/octet-stream";
}
} else {
throw new WPSException(
"Trying to get a mime type for a unknown operation, "
+ "we should not have got here in the first place");
}
}
@Override
public String getAttachmentFileName(Object value, Operation operation) {
Object request = operation.getParameters()[0];
if (request instanceof GetExecutionStatusType) {
return "text/xml";
} else if (request instanceof GetExecutionResultType) {
GetExecutionResultType ger = (GetExecutionResultType) request;
if (ger.getOutputId() != null) {
return ger.getOutputId();
} else {
// we should really never get here, the request should fail before
return "result.dat";
}
} else {
throw new WPSException(
"Trying to get a file name for a unknown operation, "
+ "we should not have got here in the first place");
}
}
public void write(Object value, OutputStream output, Operation operation)
throws IOException, ServiceException {
final FeatureDiffReader[] diffReaders = (FeatureDiffReader[]) value;
// create a new feature collcetion type with just the numbers
VersioningTransactionConverter converter = new VersioningTransactionConverter();
final TransactionType transaction = converter.convert(diffReaders, TransactionType.class);
// declare wfs schema location
BaseRequestType gft = (BaseRequestType) operation.getParameters()[0];
Encoder encoder = new Encoder(configuration, configuration.schema());
encodeWfsSchemaLocation(encoder, gft.getBaseUrl());
encoder.setIndenting(true);
encoder.setEncoding(Charset.forName(geoServer.getSettings().getCharset()));
// set up schema locations
// round up the info objects for each feature collection
HashMap /* <String,Set> */ ns2metas = new HashMap();
for (int i = 0; i < diffReaders.length; i++) {
final FeatureDiffReader diffReader = diffReaders[i];
final SimpleFeatureType featureType = diffReader.getSchema();
// load the metadata for the feature type
String namespaceURI = featureType.getName().getNamespaceURI();
FeatureTypeInfo meta =
geoServer
.getCatalog()
.getFeatureTypeByName(namespaceURI, featureType.getName().getLocalPart());
// add it to the map
Set metas = (Set) ns2metas.get(namespaceURI);
if (metas == null) {
metas = new HashSet();
ns2metas.put(namespaceURI, metas);
}
metas.add(meta);
}
// declare application schema namespaces
for (Iterator i = ns2metas.entrySet().iterator(); i.hasNext(); ) {
Map.Entry entry = (Map.Entry) i.next();
String namespaceURI = (String) entry.getKey();
Set metas = (Set) entry.getValue();
StringBuffer typeNames = new StringBuffer();
for (Iterator m = metas.iterator(); m.hasNext(); ) {
FeatureTypeInfo meta = (FeatureTypeInfo) m.next();
typeNames.append(meta.getName());
if (m.hasNext()) {
typeNames.append(",");
}
}
// set the schema location
encodeTypeSchemaLocation(encoder, gft.getBaseUrl(), namespaceURI, typeNames);
}
try {
encoder.encode(transaction, element, output);
} finally {
for (int i = 0; i < diffReaders.length; i++) {
diffReaders[i].close();
}
}
}
/** Checks that the resultType is of type "hits". */
public boolean canHandle(Operation operation) {
GetDiffType request =
(GetDiffType) OwsUtils.parameter(operation.getParameters(), GetDiffType.class);
return (request != null) && request.getOutputFormat().equals(mime);
}