org.gvsig.remoteclient.wms

Class WMSClient

java.lang.Object

org.gvsig.remoteclient.RemoteClient

org.gvsig.remoteclient.RasterClient

org.gvsig.remoteclient.wms.WMSClient

All Implemented Interfaces:

IRasterClient

public class WMSClient
extends RasterClient

Represents the class the with the necessary logic to connect to a OGCWMS and interpretate the data

Field Summary

Fields inherited from class org.gvsig.remoteclient.RemoteClient

hostName, port, serviceName

Constructor Summary

Constructors

Constructor and Description
WMSClient(String host) Constructor.

Method Summary

Modifier and Type	Method and Description
void	close() Does ...
boolean	connect(boolean override, ICancellable cancel) Deprecated. Use connect(WMSStatus, boolean, ICancellable) instead, as the WMSStatus is necessary when connecting in order to correct call the getCapabilities method.
boolean	connect(ICancellable cancel)
boolean	connect(WMSStatus status, boolean override, ICancellable cancel) Checks the connection to the remote WMS and requests its capabilities.
void	getCapabilities(WMSStatus status, boolean override, ICancellable cancel) One of the three interfaces defined by OGC WMS, it gets the service capabilities
String	getExceptionMessage(File file) Returns the exception message if the file is a XML instead of a image.
String	getFeatureInfo(WMSStatus status, int x, int y, int featureCount, ICancellable cancel) One of the three interfaces defined by the OGC WMS, it gets the information about a feature requested
Vector	getFormats() Gets the image formats available in the Service to retrieve the maps
URL	getGetMapURL(WMSStatus status, ICancellable cancel) Gets the GetMap URL.
Vector	getInfoFormats() Gets the information by point formats available in the Service
WMSLayer	getLayer(String _name) Gets the WMSLayer with this name
String[]	getLayerNames()
TreeMap	getLayers() Reads from the WMS Capabilities, the layers available in the service
Rectangle2D	getLayersExtent(String[] layerNames, String srs) Returns the max extent that envolves the requested layers
WMSLayer	getLayersRoot()
String[]	getLayerTitles()
File	getLegendGraphic(WMSStatus status, String layerName, ICancellable cancel) One of the three interfaces defined by the OGC WMS, it gets legend of a layer
File	getMap(WMSStatus status, ICancellable cancel) One of the three interfaces that OGC WMS defines.
int	getNumberOfLayers() Reads from the WMS Capabilities the number if layers available in the service
WMSLayer	getRootLayer()
WMSServiceInformation	getServiceInformation() Gets the Service information included in the Capabilities
String	getVersion()
boolean	hasLegendGraphic()
boolean	isQueryable()

Methods inherited from class org.gvsig.remoteclient.RemoteClient

getHost, getPort, getServiceName, getSubtype, getType, setHost, setPort, setServiceName, setSubtype, setType

Methods inherited from class java.lang.Object

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

Constructor Detail

WMSClient

public WMSClient(String host)
          throws ConnectException,
                 IOException

Constructor. the parameter host, indicates the WMS host to connect.

Throws:

ConnectException

IOException

Method Detail

getRootLayer

public WMSLayer getRootLayer()

Returns:

Returns the rootLayer.

getVersion

public String getVersion()

getMap

public File getMap(WMSStatus status,
                   ICancellable cancel)
            throws WMSException,
                   ServerErrorException

One of the three interfaces that OGC WMS defines. Request a map.

Throws:

ServerErrorException

WMSException

getGetMapURL

public URL getGetMapURL(WMSStatus status,
                        ICancellable cancel)
                 throws WMSException,
                        ServerErrorException

Gets the GetMap URL. The final client should download the file

Throws:

ServerErrorException

WMSException

getExceptionMessage

public String getExceptionMessage(File file)
                           throws IOException

Returns the exception message if the file is a XML instead of a image.

Parameters:

file -

Returns:

Throws:

IOException

getCapabilities

public void getCapabilities(WMSStatus status,
                            boolean override,
                            ICancellable cancel)

One of the three interfaces defined by OGC WMS, it gets the service capabilities

Parameters:

override, - if true the previous downloaded data will be overridden

getFeatureInfo

public String getFeatureInfo(WMSStatus status,
                             int x,
                             int y,
                             int featureCount,
                             ICancellable cancel)
                      throws WMSException

One of the three interfaces defined by the OGC WMS, it gets the information about a feature requested

Returns:

Throws:

WMSException

getLegendGraphic

public File getLegendGraphic(WMSStatus status,
                             String layerName,
                             ICancellable cancel)
                      throws WMSException,
                             ServerErrorException

One of the three interfaces defined by the OGC WMS, it gets legend of a layer

Returns:

Throws:

WMSException

ServerErrorException

getLayers

public TreeMap getLayers()

Reads from the WMS Capabilities, the layers available in the service

Returns:

a TreeMap with the available layers in the WMS

getNumberOfLayers

public int getNumberOfLayers()

Reads from the WMS Capabilities the number if layers available in the service

getLayer

public WMSLayer getLayer(String _name)

Gets the WMSLayer with this name

Parameters:

_name, - layer name

Returns:

the layer with this name

getLayerNames

public String[] getLayerNames()

getLayerTitles

public String[] getLayerTitles()

getFormats

public Vector getFormats()

Gets the image formats available in the Service to retrieve the maps

Returns:

a vector with all the available formats

getInfoFormats

public Vector getInfoFormats()

Gets the information by point formats available in the Service

Returns:

a vector with all the available formats

isQueryable

public boolean isQueryable()

hasLegendGraphic

public boolean hasLegendGraphic()

close

public void close()

Description copied from class: RemoteClient

Does ...

Specified by:

close in class RemoteClient

getLayersExtent

public Rectangle2D getLayersExtent(String[] layerNames,
                                   String srs)

Returns the max extent that envolves the requested layers

getServiceInformation

public WMSServiceInformation getServiceInformation()

Gets the Service information included in the Capabilities

connect

public boolean connect(boolean override,
                       ICancellable cancel)

Deprecated. Use connect(WMSStatus, boolean, ICancellable) instead, as the WMSStatus is necessary when connecting in order to correct call the getCapabilities method.

Checks the connection to the remote WMS and requests its capabilities.

Specified by:

connect in class RemoteClient

Parameters:

override, - if true the previous downloaded data will be overridden

connect

public boolean connect(WMSStatus status,
                       boolean override,
                       ICancellable cancel)

Checks the connection to the remote WMS and requests its capabilities.

This method should probably be moved to RemoteClient interface, as the same problem will probably happen for other protocols

Parameters:

override, - if true the previous downloaded data will be overridden

getLayersRoot

public WMSLayer getLayersRoot()

connect

public boolean connect(ICancellable cancel)