org.gvsig.gazetteer.wfs.drivers

Class WFSServiceDriver

java.lang.Object

org.gvsig.catalog.drivers.AbstractDiscoveryServiceDriver

org.gvsig.gazetteer.drivers.AbstractGazetteerServiceDriver

org.gvsig.gazetteer.wfs.drivers.WFSServiceDriver

All Implemented Interfaces:

IDiscoveryServiceDriver, IGazetteerServiceDriver

Direct Known Subclasses:

WFSGServiceDriver

public class WFSServiceDriver
extends AbstractGazetteerServiceDriver

Driver for the WFS protocol

Field Summary

Fields

Modifier and Type	Field and Description
protected WFSClient	client
protected WFSStatus	status

Constructor Summary

Constructors

Constructor and Description
WFSServiceDriver()

Method Summary

Modifier and Type	Method and Description
FeatureTypeAttribute[]	describeFeatureType(URI uri, String feature) It returns feature properties
DiscoveryServiceCapabilities	getCapabilities(URI uri) It try to discover the server capabilities.
int	getDefaultPort()
String	getDefaultSchema()
Feature[]	getFeature(URI uri, GazetteerQuery query) It returns the foubd records
protected String	getFilterSQL(GazetteerQuery query) Creates a SQL filter to do the search
String	getServiceName()
boolean	isDescribeFeatureTypeNeeded() There are protocols that need to invoke the describeFeatureType operation before to do a getFeature.
boolean	isProtocolSupported(URI uri) It have to prove if the specified protocol is supported.
protected Feature[]	parseOutputFile(File file, String fieldAttribute) Parses the GML file

Methods inherited from class org.gvsig.gazetteer.drivers.AbstractGazetteerServiceDriver

createQuery, getFeatureTypes, getProjection, getQuery, getUsername, needsUsername, setFeatureTypes, setProjection, setQuery, setUsername

Methods inherited from class org.gvsig.catalog.drivers.AbstractDiscoveryServiceDriver

getAditionalSearchPanel, getOneServer, getServerAnswerReady, setServerAnswerReady, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.gvsig.catalog.drivers.IDiscoveryServiceDriver

getAditionalSearchPanel, getOneServer, getServerAnswerReady, setServerAnswerReady, toString

Field Detail

client

protected WFSClient client

status

protected WFSStatus status

Constructor Detail

WFSServiceDriver

public WFSServiceDriver()

Method Detail

getCapabilities

public DiscoveryServiceCapabilities getCapabilities(URI uri)

Description copied from interface: IDiscoveryServiceDriver

It try to discover the server capabilities.

Parameters:

uri - Server URI

Returns:

Node with the server answer.

describeFeatureType

public FeatureTypeAttribute[] describeFeatureType(URI uri,
                                                  String feature)

Description copied from interface: IGazetteerServiceDriver

It returns feature properties

Specified by:

describeFeatureType in interface IGazetteerServiceDriver

Overrides:

describeFeatureType in class AbstractGazetteerServiceDriver

Parameters:

uri - Server URI

Returns:

Array of the attributes of a feature

isDescribeFeatureTypeNeeded

public boolean isDescribeFeatureTypeNeeded()

Description copied from interface: IGazetteerServiceDriver

There are protocols that need to invoke the describeFeatureType operation before to do a getFeature.

Specified by:

isDescribeFeatureTypeNeeded in interface IGazetteerServiceDriver

Overrides:

isDescribeFeatureTypeNeeded in class AbstractGazetteerServiceDriver

Returns:

if the describeFeatureType operation is needed.

getFeature

public Feature[] getFeature(URI uri,
                            GazetteerQuery query)
                     throws Exception

Description copied from interface: IGazetteerServiceDriver

It returns the foubd records

Parameters:

uri - Server URI

query - Query with the search parameters

Returns:

The features

Throws:

Exception

parseOutputFile

protected Feature[] parseOutputFile(File file,
                                    String fieldAttribute)
                             throws Exception

Parses the GML file

Parameters:

file -

Returns:

Throws:

GPEParserCreationException

URISyntaxException

Exception

getFilterSQL

protected String getFilterSQL(GazetteerQuery query)

Creates a SQL filter to do the search

Returns:

A standard SQL query

isProtocolSupported

public boolean isProtocolSupported(URI uri)

Description copied from interface: IDiscoveryServiceDriver

It have to prove if the specified protocol is supported.

Specified by:

isProtocolSupported in interface IDiscoveryServiceDriver

Overrides:

isProtocolSupported in class AbstractDiscoveryServiceDriver

Parameters:

uri - Server URI

Returns:

true if is supported, false if it isn't supported

getDefaultPort

public int getDefaultPort()

Specified by:

getDefaultPort in interface IDiscoveryServiceDriver

Overrides:

getDefaultPort in class AbstractDiscoveryServiceDriver

Returns:

the dafault port for an specific service

getDefaultSchema

public String getDefaultSchema()

Specified by:

getDefaultSchema in interface IDiscoveryServiceDriver

Overrides:

getDefaultSchema in class AbstractDiscoveryServiceDriver

Returns:

the dafault schema for an specific service

getServiceName

public String getServiceName()

Returns:

the service name that will be showed in the user interface