org.deegree.ogcwebservices.wms
Class RemoteWMService

java.lang.Object
  org.deegree.ogcwebservices.wms.RemoteWMService

All Implemented Interfaces:

OGCWebService

public class RemoteWMService
extends Object
implements OGCWebService

An instance of the class acts as a wrapper to a remote WMS.

Version:

$Revision: 18195 $

Author:

Andreas Poth

Field Summary

protected HashMap<String,URL>	addresses
protected WMSCapabilities	capabilities

Constructor Summary

RemoteWMService(WMSCapabilities capabilities)
Creates a new instance of RemoteWMService

Method Summary

Object	doService(OGCWebServiceRequest request) the method performs the handling of the passed OGCWebServiceEvent directly and returns the result to the calling class/method
OGCCapabilities	getCapabilities() returns the capabilities of a OGC web service
protected String	getInputStreamContent(InputStream is)
protected Object	handleDescribeLayer(DescribeLayer request)
protected Object	handleFeatureInfo(GetFeatureInfo request) reads feature infos from the remote WMS by performing a FeatureInfo request against it.
protected WMSCapabilities	handleGetCapabilities(WMSGetCapabilities request) reads the capabilities from the remote WMS by performing a GetCapabilities request against it.
protected Object	handleGetLegendGraphic(GetLegendGraphic request)
protected Object	handleGetMap(GetMap request) performs a GetMap request against the remote service.
protected Object	handleGetStyles(GetStyles request)
protected Object	handlePutStyles(PutStyles request)

Methods inherited from class java.lang.Object

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

Field Detail

addresses

protected HashMap<String,URL> addresses

capabilities

protected WMSCapabilities capabilities

Constructor Detail

RemoteWMService

public RemoteWMService(WMSCapabilities capabilities)

Creates a new instance of RemoteWMService

Parameters:

capabilities -

Method Detail

getCapabilities

public OGCCapabilities getCapabilities()

Description copied from interface: OGCWebService

returns the capabilities of a OGC web service

Specified by:

getCapabilities in interface OGCWebService

Returns:

the capabilities of a OGC web service

doService

public Object doService(OGCWebServiceRequest request)
                 throws OGCWebServiceException

the method performs the handling of the passed OGCWebServiceEvent directly and returns the result to the calling class/method

Specified by:

doService in interface OGCWebService

Parameters:

request - request (WMS, WCS, WFS, WCAS, WCTS, WTS, Gazetter) to perform

Returns:

result of a service operation

Throws:

OGCWebServiceException

handleGetMap

protected Object handleGetMap(GetMap request)
                       throws OGCWebServiceException

performs a GetMap request against the remote service. The result contains the map decoded in the desired format as a byte array.

Parameters:

request - GetMap request

Returns:

the requested map-image

Throws:

OGCWebServiceException - if the url in the request is null

handleFeatureInfo

protected Object handleFeatureInfo(GetFeatureInfo request)
                            throws OGCWebServiceException

reads feature infos from the remote WMS by performing a FeatureInfo request against it. As long the result of a FeatureInfo request is generic (for usual it is som HTML) it isn't easy to combine the result with that of other WMS's

Parameters:

request - feature info request

Returns:

the response of the GetFeatureInfo request.

Throws:

OGCWebServiceException - if the request could not be excuted correctly.

handleGetCapabilities

protected WMSCapabilities handleGetCapabilities(WMSGetCapabilities request)
                                         throws OGCWebServiceException

reads the capabilities from the remote WMS by performing a GetCapabilities request against it.

Parameters:

request - capabilities request

Returns:

remote capabilities

Throws:

OGCWebServiceException - if the request could not be executed correctly.

handleGetStyles

protected Object handleGetStyles(GetStyles request)
                          throws OGCWebServiceException

Parameters:

request - get styles request (WMS 1.1.1 - SLD)

Returns:

null

Throws:

OGCWebServiceException - if the url in the request is null

handlePutStyles

protected Object handlePutStyles(PutStyles request)
                          throws OGCWebServiceException

Parameters:

request - put styles request (WMS 1.1.1 - SLD)

Returns:

null

Throws:

OGCWebServiceException - if the url in the request is null

handleDescribeLayer

protected Object handleDescribeLayer(DescribeLayer request)
                              throws OGCWebServiceException

Parameters:

request - describe layer request (WMS 1.1.1 - SLD)

Returns:

null

Throws:

OGCWebServiceException - if the url in the request is null

handleGetLegendGraphic

protected Object handleGetLegendGraphic(GetLegendGraphic request)
                                 throws OGCWebServiceException

Parameters:

request - describe layer request (WMS 1.1.1 - SLD)

Returns:

null

Throws:

OGCWebServiceException - if the url in the request is null

getInputStreamContent

protected String getInputStreamContent(InputStream is)
                                throws IOException

Parameters:

is -

Returns:

thr content as String

Throws:

IOException