org.geotools.catalog
Interface GeoResource

All Superinterfaces:

Resolve

All Known Implementing Classes:

AbstractGeoResource

public interface GeoResource

extends Resolve

Represents a handle to a spatial resource.

The resource is not guaranteed to exist, nor do we guarantee that we can connect with the resource. Some/All potions of this handle may be loaded as required. This resource handle may also be the result a metadata service query.

Since:

0.6

Author:

David Zwiers, Refractions Research, Justin Deoliveira, The Open Planning Project

Nested Class Summary

Nested classes inherited from class org.geotools.catalog.Resolve

Resolve.Status

Method Summary

GeoResourceInfo	getInfo(ProgressListener monitor) Blocking operation to describe this service.
java.lang.Object	resolve(java.lang.Class adaptee, ProgressListener monitor) Blocking operation to resolve into the adaptee, if available.

Methods inherited from interface org.geotools.catalog.Resolve

addListener, canResolve, fire, getIdentifier, getMessage, getStatus, members, parent, removeListener

Method Detail

resolve

public java.lang.Object resolve(java.lang.Class adaptee,
                                ProgressListener monitor)
                         throws java.io.IOException

Blocking operation to resolve into the adaptee, if available.

Required adaptions:

• IGeoResourceInfo.class
• IService.class

Example (no casting required):

 IGeoResourceInfo info = resovle(IGeoResourceInfo.class);
 

Recommendated adaptions:

• ImageDescriptor.class (for icon provided by external service)

Specified by:

resolve in interface Resolve

Parameters:

adaptee -

monitor -

Returns:

instance of adaptee, or null if unavailable (IGeoResourceInfo and IService must be supported)

Throws:

java.io.IOException - DOCUMENT ME!

See Also:

GeoResourceInfo, IService, IResolve#resolve(Class, ProgressListener)

getInfo

public GeoResourceInfo getInfo(ProgressListener monitor)
                        throws java.io.IOException

Blocking operation to describe this service.

As an example this method is used by LabelDecorators to aquire title, and icon.

Parameters:

monitor - DOCUMENT ME!

Returns:

IGeoResourceInfo resolve(IGeoResourceInfo.class,ProgressListener monitor);

Throws:

java.io.IOException - DOCUMENT ME!

See Also:

resolve(Class, ProgressListener)