/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.data.wfs.v1_1_0;
import static org.geotools.data.wfs.protocol.http.HttpMethod.GET;
import static org.geotools.data.wfs.protocol.http.HttpMethod.POST;
import static org.geotools.data.wfs.protocol.http.HttpUtil.createUrl;
import static org.geotools.data.wfs.protocol.wfs.WFSOperationType.DESCRIBE_FEATURETYPE;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.XMLConstants;
import javax.xml.namespace.QName;
import javax.xml.parsers.ParserConfigurationException;
import net.opengis.ows10.DCPType;
import net.opengis.ows10.DomainType;
import net.opengis.ows10.KeywordsType;
import net.opengis.ows10.OnlineResourceType;
import net.opengis.ows10.OperationType;
import net.opengis.ows10.OperationsMetadataType;
import net.opengis.ows10.Ows10Factory;
import net.opengis.ows10.RequestMethodType;
import net.opengis.ows10.ServiceIdentificationType;
import net.opengis.ows10.ServiceProviderType;
import net.opengis.ows10.WGS84BoundingBoxType;
import net.opengis.wfs.DescribeFeatureTypeType;
import net.opengis.wfs.FeatureTypeType;
import net.opengis.wfs.GetCapabilitiesType;
import net.opengis.wfs.GetFeatureType;
import net.opengis.wfs.GetGmlObjectType;
import net.opengis.wfs.LockFeatureType;
import net.opengis.wfs.OutputFormatListType;
import net.opengis.wfs.ResultTypeType;
import net.opengis.wfs.TransactionType;
import net.opengis.wfs.WFSCapabilitiesType;
import org.apache.commons.io.IOUtils;
import org.eclipse.emf.ecore.EObject;
import org.geotools.data.DataSourceException;
import org.geotools.data.Query;
import org.geotools.data.ows.HTTPClient;
import org.geotools.data.ows.HTTPResponse;
import org.geotools.data.wfs.protocol.http.HttpMethod;
import org.geotools.data.wfs.protocol.wfs.GetFeature;
import org.geotools.data.wfs.protocol.wfs.GetFeature.ResultType;
import org.geotools.data.wfs.protocol.wfs.Version;
import org.geotools.data.wfs.protocol.wfs.WFSOperationType;
import org.geotools.data.wfs.protocol.wfs.WFSProtocol;
import org.geotools.data.wfs.protocol.wfs.WFSResponse;
import org.geotools.data.wfs.v1_1_0.WFSStrategy.RequestComponents;
import org.geotools.data.wfs.v1_1_0.parsers.EmfAppSchemaParser;
import org.geotools.filter.Capabilities;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.geotools.util.logging.Logging;
import org.geotools.wfs.WFS;
import org.geotools.xml.Configuration;
import org.geotools.xml.Encoder;
import org.geotools.xml.Parser;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.filter.Filter;
import org.opengis.filter.capability.FilterCapabilities;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.xml.sax.SAXException;
/**
* {@link WFSProtocol} implementation to talk to a WFS 1.1.0 server leveraging the GeoTools {@code
* xml-xsd} subsystem for schema assisted parsing and encoding of WFS requests and responses.
*
* @author Gabriel Roldan (OpenGeo)
* @version $Id$
* @since 2.6
*
*
*
* @source $URL$
* http://gtsvn.refractions.net/trunk/modules/plugin/wfs/src/main/java/org/geotools/data
* /wfs/v1_1_0/WFS_1_1_0_Protocol.java $
*/
@SuppressWarnings( { "unchecked", "nls" })
public class WFS_1_1_0_Protocol implements WFSProtocol {
private static final Logger LOGGER = Logging.getLogger("org.geotools.data.wfs");
private WFSStrategy strategy;
/**
* The WFS GetCapabilities document. Final by now, as we're not handling updatesequence, so will
* not ask the server for an updated capabilities during the life-time of this datastore.
*/
final WFSCapabilitiesType capabilities;
/**
* Per featuretype name Map of capabilities feature type information. Not to be used directly
* but through {@link #getFeatureTypeInfo(String)}
*/
private final Map<String, FeatureTypeType> typeInfos;
protected HTTPClient http;
protected final Charset defaultEncoding;
public WFS_1_1_0_Protocol(InputStream capabilitiesReader, HTTPClient http,
Charset defaultEncoding, WFSStrategy strategy) throws IOException {
this.defaultEncoding = defaultEncoding;
this.strategy = strategy;
if(this.strategy == null) {
this.strategy = new DefaultWFSStrategy();
}
this.capabilities = parseCapabilities(capabilitiesReader);
this.http = http;
this.typeInfos = new HashMap<String, FeatureTypeType>();
final List<FeatureTypeType> ftypes = capabilities.getFeatureTypeList().getFeatureType();
QName typeName;
for (FeatureTypeType ftype : ftypes) {
typeName = ftype.getName();
String prefixedTypeName = this.strategy.getPrefixedTypeName(typeName);
typeInfos.put(prefixedTypeName, ftype);
}
}
public void setStrategy(WFSStrategy strategy) {
this.strategy = strategy;
}
/**
* @return {@link Version#v1_1_0}
* @see WFSProtocol#getServiceVersion()
*/
public Version getServiceVersion() {
return Version.v1_1_0;
}
/**
* @see WFSProtocol#getServiceTitle()
*/
public String getServiceTitle() {
return getServiceIdentification().getTitle();
}
/**
* @see WFSProtocol#getServiceAbstract()
*/
public String getServiceAbstract() {
return getServiceIdentification().getAbstract();
}
/**
* @see WFSProtocol#getServiceKeywords()
*/
public Set<String> getServiceKeywords() {
List<KeywordsType> capsKeywords = getServiceIdentification().getKeywords();
return extractKeywords(capsKeywords);
}
private ServiceIdentificationType getServiceIdentification() {
ServiceIdentificationType serviceId = capabilities.getServiceIdentification();
if (serviceId == null) {
LOGGER.info("Capabilities did not provide a ServiceIdentification section");
serviceId = Ows10Factory.eINSTANCE.createServiceIdentificationType();
capabilities.setServiceIdentification(serviceId);
}
return serviceId;
}
/**
* @see WFSProtocol#getServiceProviderUri()
*/
public URI getServiceProviderUri() {
ServiceProviderType serviceProvider = capabilities.getServiceProvider();
if (serviceProvider == null) {
return null;
}
OnlineResourceType providerSite = serviceProvider.getProviderSite();
if (providerSite == null) {
return null;
}
String href = providerSite.getHref();
if (href == null) {
return null;
}
try {
return new URI(href);
} catch (URISyntaxException e) {
return null;
}
}
/**
* @see WFSProtocol#getSupportedGetFeatureOutputFormats()
*/
public Set<String> getSupportedGetFeatureOutputFormats() {
OperationType operationMetadata = getOperationMetadata(WFSOperationType.GET_FEATURE);
List<DomainType> parameters = operationMetadata.getParameter();
List featuretypes = capabilities.getFeatureTypeList().getFeatureType();
List supportedByAllFeatureTypes= null;
for (int i=0; i < featuretypes.size() ; i++){
net.opengis.wfs.FeatureTypeType ft = (FeatureTypeType) featuretypes.get(i);
if (ft.getOutputFormats()!=null){
List value=ft.getOutputFormats().getFormat();
if (supportedByAllFeatureTypes ==null){
supportedByAllFeatureTypes=value;
}else{
List removeOutputFormats= new ArrayList();
for (Object o : supportedByAllFeatureTypes){
if (!value.contains(o)){
removeOutputFormats.add(o);
}
}
for (Object o : removeOutputFormats){
supportedByAllFeatureTypes.remove(o);
}
if (supportedByAllFeatureTypes.size() ==0){
break;
}
}
}
}
Set<String> outputFormats = new HashSet<String>();
for (DomainType param : parameters) {
String paramName = param.getName();
if ("outputFormat".equals(paramName)) {
List value = param.getValue();
outputFormats.addAll(value);
}
}
if (supportedByAllFeatureTypes!=null)
outputFormats.addAll(supportedByAllFeatureTypes);
return outputFormats;
}
/**
* @see WFSProtocol#getSupportedOutputFormats(String)
*/
public Set<String> getSupportedOutputFormats(String typeName) {
final Set<String> serviceOutputFormats = getSupportedGetFeatureOutputFormats();
final FeatureTypeType typeInfo = getFeatureTypeInfo(typeName);
final OutputFormatListType outputFormats = typeInfo.getOutputFormats();
Set<String> ftypeFormats = new HashSet<String>();
if (outputFormats != null) {
List<String> ftypeDeclaredFormats = outputFormats.getFormat();
ftypeFormats.addAll(ftypeDeclaredFormats);
}
ftypeFormats.addAll(serviceOutputFormats);
return ftypeFormats;
}
/**
* @see WFSProtocol#getFeatureTypeNames()
*/
public Set<QName> getFeatureTypeNames() {
Set<QName> typeNames = new HashSet<QName>();
for (FeatureTypeType typeInfo : typeInfos.values()) {
QName name = typeInfo.getName();
typeNames.add(name);
}
return typeNames;
}
/**
* @see WFSProtocol#getFeatureTypeName(String)
*/
public QName getFeatureTypeName(String typeName) {
FeatureTypeType featureTypeInfo = getFeatureTypeInfo(typeName);
QName name = featureTypeInfo.getName();
return name;
}
/**
* @see WFSProtocol#getFilterCapabilities()
*/
public FilterCapabilities getFilterCapabilities() {
FilterCapabilities wfsFilterCapabilities;
wfsFilterCapabilities = capabilities.getFilterCapabilities();
return wfsFilterCapabilities;
}
/**
* @see WFSProtocol#supportsOperation(WFSOperationType, boolean)
*/
public boolean supportsOperation(WFSOperationType operation, boolean post) {
if (post && !strategy.supportsPost()) {
return false;
}
if (!post && !strategy.supportsGet()) {
return false;
}
HttpMethod method = post ? POST : GET;
return null != getOperationURI(operation, method);
}
/**
* @see WFSProtocol#getOperationURL(WFSOperationType, boolean)
*/
public URL getOperationURL(WFSOperationType operation, boolean post) {
HttpMethod method = post ? POST : GET;
String href = getOperationURI(operation, method);
if (href != null) {
try {
return new URL(href);
} catch (MalformedURLException e) {
// Log error and let the search continue
LOGGER.log(Level.INFO, "Malformed " + method + " URL for " + operation, e);
}
}
return null;
}
/**
* @see WFSProtocol#getFeatureTypeTitle(String)
*/
public String getFeatureTypeTitle(String typeName) {
FeatureTypeType featureTypeInfo = getFeatureTypeInfo(typeName);
return featureTypeInfo.getTitle();
}
/**
* @see WFSProtocol#getFeatureTypeAbstract(String)
*/
public String getFeatureTypeAbstract(String typeName) {
FeatureTypeType featureTypeInfo = getFeatureTypeInfo(typeName);
return featureTypeInfo.getAbstract();
}
/**
* @see WFSProtocol#getFeatureTypeWGS84Bounds(String)
*/
public ReferencedEnvelope getFeatureTypeWGS84Bounds(String typeName) {
final FeatureTypeType featureTypeInfo = getFeatureTypeInfo(typeName);
List<WGS84BoundingBoxType> bboxList = featureTypeInfo.getWGS84BoundingBox();
if (bboxList != null && bboxList.size() > 0) {
WGS84BoundingBoxType bboxType = bboxList.get(0);
List lowerCorner = bboxType.getLowerCorner();
List upperCorner = bboxType.getUpperCorner();
double minLon = (Double) lowerCorner.get(0);
double minLat = (Double) lowerCorner.get(1);
double maxLon = (Double) upperCorner.get(0);
double maxLat = (Double) upperCorner.get(1);
ReferencedEnvelope latLonBounds = new ReferencedEnvelope(minLon, maxLon, minLat,
maxLat, DefaultGeographicCRS.WGS84);
return latLonBounds;
}
throw new IllegalStateException(
"The capabilities document does not supply the ows:WGS84BoundingBox element");
}
/**
* @see WFSProtocol#getDefaultCRS(String)
*/
public String getDefaultCRS(String typeName) {
FeatureTypeType featureTypeInfo = getFeatureTypeInfo(typeName);
String defaultSRS = featureTypeInfo.getDefaultSRS();
return defaultSRS;
}
/**
* @see WFSProtocol#getSupportedCRSIdentifiers(String)
*/
public Set<String> getSupportedCRSIdentifiers(String typeName) {
FeatureTypeType featureTypeInfo = getFeatureTypeInfo(typeName);
// TODO: another wrong emf mapping: getOtherSRS():String? should be a list
String defaultSRS = featureTypeInfo.getDefaultSRS();
List<String> otherSRS = featureTypeInfo.getOtherSRS();
Set<String> ftypeCrss = new HashSet<String>();
ftypeCrss.add(defaultSRS);
ftypeCrss.addAll(otherSRS);
return ftypeCrss;
}
/**
* @see WFSProtocol#getFeatureTypeKeywords(String)
*/
public Set<String> getFeatureTypeKeywords(String typeName) {
FeatureTypeType featureTypeInfo = getFeatureTypeInfo(typeName);
List<KeywordsType> ftKeywords = featureTypeInfo.getKeywords();
Set<String> ftypeKeywords = extractKeywords(ftKeywords);
return ftypeKeywords;
}
/**
* @see WFSProtocol#getDescribeFeatureTypeURLGet(String)
*/
public URL getDescribeFeatureTypeURLGet(String typeName) {
final String outputFormat = "text/xml; subtype=gml/3.1.1";
return getDescribeFeatureTypeURLGet(typeName, outputFormat);
}
/**
* @throws IOException
* @see WFSProtocol#describeFeatureTypeGET(String, String)
*/
public WFSResponse describeFeatureTypeGET(String typeName, String outputFormat)
throws IOException {
if (!supportsOperation(DESCRIBE_FEATURETYPE, false)) {
throw new UnsupportedOperationException(
"The server does not support DescribeFeatureType for HTTP method GET");
}
URL url = getDescribeFeatureTypeURLGet(typeName, outputFormat);
WFSResponse response = issueGetRequest(null, url, Collections.EMPTY_MAP);
return response;
}
/**
* @throws IOException
* @see WFSProtocol#describeFeatureTypePOST(String, String)
*/
public WFSResponse describeFeatureTypePOST(String typeName, String outputFormat)
throws IOException {
throw new UnsupportedOperationException("POST not implemented yet for DescribeFeatureType");
}
/**
* @see WFSProtocol#issueGetFeatureGET(GetFeatureType, Map)
*/
public WFSResponse issueGetFeatureGET(final GetFeature request) throws IOException {
if (!supportsOperation(WFSOperationType.GET_FEATURE, false)) {
throw new UnsupportedOperationException(
"The server does not support GetFeature for HTTP method GET");
}
URL url = getOperationURL(WFSOperationType.GET_FEATURE, false);
RequestComponents reqParts = strategy.createGetFeatureRequest(this, request);
GetFeatureType requestType = reqParts.getServerRequest();
// build the kvp taking into account eventual vendor params
Map<String, String> getFeatureKvp = reqParts.getKvpParameters();
if(request instanceof GetFeatureQueryAdapter) {
GetFeatureQueryAdapter adapter = (GetFeatureQueryAdapter) request;
if(adapter.getVendorParameter() != null) {
getFeatureKvp.putAll(adapter.getVendorParameter());
}
}
if (request.getResultType() == ResultType.HITS) {
getFeatureKvp.put("RESULTTYPE", ResultTypeType.HITS_LITERAL.getLiteral());
}
WFSResponse response = issueGetRequest(requestType, url, getFeatureKvp);
return response;
}
/**
* @see WFSProtocol#getFeaturePOST(Query, String)
*/
public WFSResponse issueGetFeaturePOST(final GetFeature request) throws IOException {
if (!supportsOperation(WFSOperationType.GET_FEATURE, true)) {
throw new UnsupportedOperationException(
"The server does not support GetFeature for HTTP method POST");
}
URL postURL = getOperationURL(WFSOperationType.GET_FEATURE, true);
// support vendor parameters, GeoServer way
if(request instanceof GetFeatureQueryAdapter) {
GetFeatureQueryAdapter adapter = (GetFeatureQueryAdapter) request;
if(adapter.getVendorParameter() != null) {
String url = postURL.toString();
if ((url == null) || !url.endsWith("?")) {
url += "?";
}
boolean first = true;
for (Map.Entry<String, String> entry : adapter.getVendorParameter().entrySet()) {
if(first) {
first = false;
} else {
url += "&";
}
url += entry.getKey() + "=" + URLEncoder.encode(entry.getValue(), "UTF-8");
}
postURL = new URL(url);
}
}
RequestComponents reqParts = strategy.createGetFeatureRequest(this, request);
GetFeatureType serverRequest = reqParts.getServerRequest();
Encoder encoder = new Encoder(strategy.getWfsConfiguration());
// If the typeName is of the form prefix:typeName we better declare the namespace since we
// don't know how picky the server parser will be
String typeName = reqParts.getKvpParameters().get("TYPENAME");
QName fullName = getFeatureTypeName(typeName);
String prefix = fullName.getPrefix();
String namespace = fullName.getNamespaceURI();
if (!XMLConstants.DEFAULT_NS_PREFIX.equals(prefix)) {
encoder.getNamespaces().declarePrefix(prefix, namespace);
}
WFSResponse response = issuePostRequest(serverRequest, postURL, encoder);
return response;
}
/**
* @see WFSProtocol#dispose()
*/
public void dispose() {
// do nothing
}
/**
* Returns the feature type metadata object parsed from the capabilities document for the given
* {@code typeName}
* <p>
* NOTE: this method is package protected just to be also accessed by unit test.
* </p>
*
* @param typeName
* the typeName as stated in the capabilities {@code FeatureTypeList} to get the info
* for
* @return the WFS capabilities metadata {@link FeatureTypeType metadata} for {@code typeName}
* @throws IllegalArgumentException
* if {@code typeName} is not the name of a FeatureType stated in the capabilities
* document.
*/
private FeatureTypeType getFeatureTypeInfo(final String typeName) {
if (!typeInfos.containsKey(typeName)) {
throw new IllegalArgumentException("Type name not found: " + typeName);
}
return typeInfos.get(typeName);
}
protected WFSCapabilitiesType parseCapabilities(InputStream capabilitiesReader)
throws IOException {
final Configuration wfsConfig = strategy.getWfsConfiguration();
final Parser parser = new Parser(wfsConfig);
final Object parsed;
try {
parsed = parser.parse(capabilitiesReader);
} catch (SAXException e) {
throw new DataSourceException("Exception parsing WFS 1.1.0 capabilities", e);
} catch (ParserConfigurationException e) {
throw new DataSourceException("WFS 1.1.0 parsing configuration error", e);
}
if (parsed == null) {
throw new DataSourceException("WFS 1.1.0 capabilities was not parsed");
}
if (!(parsed instanceof WFSCapabilitiesType)) {
throw new DataSourceException("Expected WFS Capabilities, got " + parsed);
}
return (WFSCapabilitiesType) parsed;
}
private Set<String> extractKeywords(List<KeywordsType> keywordsList) {
Set<String> keywords = new HashSet<String>();
for (KeywordsType keys : keywordsList) {
keywords.addAll(keys.getKeyword());
}
return keywords;
}
private OperationType getOperationMetadata(WFSOperationType operation) {
final OperationsMetadataType operationsMetadata = capabilities.getOperationsMetadata();
final List<OperationType> operations = operationsMetadata.getOperation();
final String expectedOperationName = operation.getName();
for (OperationType operationType : operations) {
String operationName = operationType.getName();
if (expectedOperationName.equalsIgnoreCase(operationName)) {
return operationType;
}
}
throw new NoSuchElementException("Operation metadata not found for "
+ expectedOperationName + " in the capabilities document");
}
private URL getDescribeFeatureTypeURLGet(String typeName, String outputFormat) {
final FeatureTypeType typeInfo = getFeatureTypeInfo(typeName);
final URL describeFeatureTypeUrl = getOperationURL(DESCRIBE_FEATURETYPE, false);
Map<String, String> kvp = new HashMap<String, String>();
kvp.put("SERVICE", "WFS");
kvp.put("VERSION", getServiceVersion().toString());
kvp.put("REQUEST", "DescribeFeatureType");
kvp.put("TYPENAME", typeName);
QName name = typeInfo.getName();
if (!XMLConstants.DEFAULT_NS_PREFIX.equals(name.getPrefix())) {
String nsUri = name.getNamespaceURI();
kvp.put("NAMESPACE", "xmlns(" + name.getPrefix() + "=" + nsUri + ")");
}
// ommit output format by now, server should just return xml shcema
// kvp.put("OUTPUTFORMAT", outputFormat);
URL url;
try {
url = createUrl(describeFeatureTypeUrl, kvp);
} catch (MalformedURLException e) {
throw new RuntimeException(e);
}
return url;
}
private WFSResponse issueGetRequest(EObject request, URL url, Map<String, String> kvp)
throws IOException {
WFSResponse response;
final URL targetUrl = createUrl(url, kvp);
HTTPResponse httpResponse = http.get(targetUrl);
String responseCharset = httpResponse.getResponseCharset();
Charset charset = responseCharset == null ? null : Charset.forName(responseCharset);
String contentType = httpResponse.getContentType();
InputStream responseStream = httpResponse.getResponseStream();
response = new WFSResponse(targetUrl.toExternalForm(), request, charset, contentType, responseStream);
return response;
}
private WFSResponse issuePostRequest(final EObject request, final URL url, final Encoder encoder)
throws IOException {
InputStream postContent;
{
final Charset charset = defaultEncoding == null ? Charset.forName("UTF-8")
: defaultEncoding;
encoder.setEncoding(charset);
ByteArrayOutputStream out = new ByteArrayOutputStream();
WFS_1_1_0_Protocol.encode(request, encoder, out);
postContent = new ByteArrayInputStream(out.toByteArray());
}
HTTPResponse httpResponse = http.post(url, postContent, "text/xml");
String responseCharset = httpResponse.getResponseCharset();
Charset charset = responseCharset == null ? null : Charset.forName(responseCharset);
String contentType = httpResponse.getContentType();
InputStream responseStream = httpResponse.getResponseStream();
WFSResponse response = new WFSResponse(url.toExternalForm(), request, charset, contentType,
responseStream);
return response;
}
/**
* Returns the operation URI for the given operation/http method as a String to avoid creating a
* URL instance when not needed
*/
private String getOperationURI(WFSOperationType operation, HttpMethod method) {
final OperationType operationType = getOperationMetadata(operation);
final List<DCPType> dcps = operationType.getDCP();
for (DCPType dcp : dcps) {
List<RequestMethodType> requests;
if (GET == method) {
requests = dcp.getHTTP().getGet();
} else {
requests = dcp.getHTTP().getPost();
}
for (RequestMethodType req : requests) {
String href = req.getHref();
return href;
}
}
return null;
}
/**
* Encodes a WFS request into {@code out}
*
* @param request
* one of {@link GetCapabilitiesType}, {@link GetFeatureType}, etc
* @param configuration
* the wfs configuration to use for encoding the request into the output stream
* @param out
* the output stream where to encode the request into
* @param charset
* the charset to use to encode the request in
* @throws IOException
*/
public static void encode(final EObject request, final Configuration configuration,
final OutputStream out, final Charset charset) throws IOException {
Encoder encoder = new Encoder(configuration);
encoder.setEncoding(charset);
encode(request, encoder, out);
}
private static void encode(EObject request, Encoder encoder, OutputStream out)
throws IOException {
encoder.setIndentSize(1);
QName encodeElementName = getElementName(request);
encoder.encode(request, encodeElementName, out);
}
private static QName getElementName(EObject originatingRequest) {
QName encodeElementName;
if (originatingRequest instanceof GetCapabilitiesType) {
encodeElementName = WFS.GetCapabilities;
} else if (originatingRequest instanceof GetFeatureType) {
encodeElementName = WFS.GetFeature;
} else if (originatingRequest instanceof DescribeFeatureTypeType) {
encodeElementName = WFS.DescribeFeatureType;
} else if (originatingRequest instanceof GetCapabilitiesType) {
encodeElementName = WFS.GetCapabilities;
} else if (originatingRequest instanceof GetGmlObjectType) {
encodeElementName = WFS.GetGmlObject;
} else if (originatingRequest instanceof LockFeatureType) {
encodeElementName = WFS.LockFeature;
} else if (originatingRequest instanceof TransactionType) {
encodeElementName = WFS.Transaction;
} else {
throw new IllegalArgumentException("Unknown xml element name for " + originatingRequest);
}
return encodeElementName;
}
public String getDefaultOutputFormat(WFSOperationType operation) {
return strategy.getDefaultOutputFormat(this, operation);
}
public Filter[] splitFilters(Filter filter) {
FilterCapabilities filterCapabilities = getFilterCapabilities();
Capabilities filterCaps = new Capabilities();
if (filterCapabilities != null) {
filterCaps.addAll(filterCapabilities);
}
return strategy.splitFilters(filterCaps, filter);
}
/**
* @see org.geotools.data.wfs.protocol.wfs.WFSProtocol#issueDescribeFeatureTypeGET(java.lang.String, org.opengis.referencing.crs.CoordinateReferenceSystem)
*/
@Override
public SimpleFeatureType issueDescribeFeatureTypeGET(final String prefixedTypeName,
CoordinateReferenceSystem crs) throws IOException {
File tmpFile = null;
final URL describeUrl;
{
final boolean isAuth = http.getUser() != null;
if(isAuth){
WFSResponse wfsResponse = describeFeatureTypeGET(prefixedTypeName, null);
tmpFile = File.createTempFile("describeft", ".xsd");
OutputStream output = new FileOutputStream(tmpFile);
InputStream response = wfsResponse.getInputStream();
try{
IOUtils.copy(response, output);
}finally{
output.flush();
output.close();
response.close();
}
describeUrl = tmpFile.toURI().toURL();
}else{
describeUrl = getDescribeFeatureTypeURLGet(prefixedTypeName);
}
}
final Configuration wfsConfiguration = strategy.getWfsConfiguration();
final QName featureDescriptorName = getFeatureTypeName(prefixedTypeName);
SimpleFeatureType featureType;
try {
featureType = EmfAppSchemaParser.parseSimpleFeatureType(wfsConfiguration,
featureDescriptorName, describeUrl, crs,
strategy.getNamespaceURIMappings(),
strategy.getFieldTypeMappings(),
strategy.canIgnoreMissingElementDeclaration());
} finally {
if (tmpFile != null) {
tmpFile.delete();
}
}
return featureType;
}
}