org.geotools.catalog.shapefile
Class ShapefileGeoResource

java.lang.Object
  org.geotools.catalog.AbstractGeoResource
      org.geotools.catalog.shapefile.ShapefileGeoResource

All Implemented Interfaces:

GeoResource, Resolve

public class ShapefileGeoResource

extends AbstractGeoResource

Nested Class Summary

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

Resolve.Status

Method Summary

boolean	canResolve(java.lang.Class adaptee) Non blocking method which is used to determine if a resolve into an instance of a particular class is supported.
protected FeatureSource	getFeatureSource(ProgressListener monitor)
java.net.URI	getIdentifier() Returns a URI which uniqley identifies the Resolve.
GeoResourceInfo	getInfo(ProgressListener monitor) Blocking operation to describe this service.
java.lang.Throwable	getMessage() In the event that an error occurs during a resolve, that error can be reported back with this method.
Resolve.Status	getStatus() Status of the resolve.
java.lang.Object	resolve(java.lang.Class adaptee, ProgressListener monitor) Blocking operation to resolve into the adaptee, if available.

Methods inherited from class org.geotools.catalog.AbstractGeoResource

addListener, equals, fire, hashCode, members, parent, removeListener, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

canResolve

public boolean canResolve(java.lang.Class adaptee)

Description copied from interface: Resolve

Non blocking method which is used to determine if a resolve into an instance of a particular class is supported.

Parameters:

adaptee - Class of object to resolve into.

Returns:

true if a resolution for adaptee is avaialble

See Also:

IResolve#resolve(Class,ProgressListener)

resolve

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

Description copied from interface: GeoResource

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)

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

Description copied from interface: GeoResource

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:

GeoResource.resolve(Class, ProgressListener)

getFeatureSource

protected FeatureSource getFeatureSource(ProgressListener monitor)
                                  throws java.io.IOException

Throws:

java.io.IOException

getStatus

public Resolve.Status getStatus()

Description copied from interface: Resolve

Status of the resolve. Resolving into other types of objects often involves connecting to a remote service or resource. This method is provided to indicate the state of any connections.

Returns:

One of Resolve.Status.BROKEN,Resolve.Status.CONNECTED, or Resolve.Status.NOTCONNECTED.

getMessage

public java.lang.Throwable getMessage()

Description copied from interface: Resolve

In the event that an error occurs during a resolve, that error can be reported back with this method. This method returns a value when Resolve.getStatus() returns Resolve.Status.BROKEN, otherwise it return null.

Returns:

An exception that occured during a resolve, otherwise null.

See Also:

Resolve.Status

getIdentifier

public java.net.URI getIdentifier()

Description copied from interface: Resolve

Returns a URI which uniqley identifies the Resolve.

Returns:

Id of the Resolve, should never be null.