org.geotools.catalog
Class AbstractGeoResource

Object
  AbstractGeoResource

All Implemented Interfaces:

GeoResource, Resolve

Direct Known Subclasses:

AbstractFileGeoResource, FeatureSourceGeoResource, ShapefileGeoResource, WFSGeoResource, WMSGeoResource

public abstract class AbstractGeoResource
extends Object
implements GeoResource

Abstract implementation of GeoResource.

Module:

modules/library/main (gt2-main.jar) (Maven report) (SVN head)

Nested Class Summary

Nested classes/interfaces inherited from interface Resolve

Resolve.Status

Field Summary

protected static Logger

logger logger

Constructor Summary

AbstractGeoResource()

Method Summary

void	addListener(ResolveChangeListener listener) This method does nothing.
boolean	equals(Object other) This should represent the identifier
void	fire(ResolveChangeEvent event) This method does nothing.
Throwable	getMessage() In the event that an error occurs during a resolve, that error can be reported back with this method.
int	hashCode() This should represent the identified
List	members(ProgressListener monitor) return null ... almost always a leaf
Resolve	parent(ProgressListener monitor) This method is shorthand for return (Service) resolve(Service.class, monitor);
void	removeListener(ResolveChangeListener listener) This method does nothing.
protected void	setMessage(Throwable msg) Sets the cached error message.
String	toString() Indicate class and id.

Methods inherited from class Object

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

Methods inherited from interface GeoResource

getInfo, resolve

Methods inherited from interface Resolve

canResolve, getIdentifier, getStatus

Field Detail

logger

protected static Logger logger

logger

Constructor Detail

AbstractGeoResource

public AbstractGeoResource()

Method Detail

parent

public Resolve parent(ProgressListener monitor)
               throws IOException

This method is shorthand for

        
                return (Service) resolve(Service.class, monitor);
        
 

Specified by:

parent in interface Resolve

Parameters:

monitor - DOCUMENT ME!

Returns:

The service containg the resource, an object of type Service.

Throws:

IOException - DOCUMENT ME!

See Also:

GeoResource.resolve(Class, ProgressListener)

members

public List members(ProgressListener monitor)

return null ... almost always a leaf

Specified by:

members in interface Resolve

Parameters:

monitor - Progress monitor used to report status while blocking. May be null.

Returns:

A list (possibly empty) of members, null if the members could not be obtained or the instance has not members. Objects in the returned list implement the Resolve interface.

See Also:

net.refractions.udig.catalog.IResolve#members(org.eclipse.core.runtime.ProgressListener)

getMessage

public 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.

Specified by:

getMessage in interface Resolve

Returns:

The cached error message.

See Also:

Resolve.Status

setMessage

protected void setMessage(Throwable msg)

Sets the cached error message.

Parameters:

msg - An exception which occured when connecting to the service.

equals

public boolean equals(Object other)

This should represent the identifier

Overrides:

equals in class Object

Parameters:

other -

See Also:

Object.equals(java.lang.Object)

addListener

public void addListener(ResolveChangeListener listener)

This method does nothing. Sublcasses should override if events are supported.

Specified by:

addListener in interface Resolve

Parameters:

listener - DOCUMENT ME!

removeListener

public void removeListener(ResolveChangeListener listener)

This method does nothing. Sublcasses should override if events are supported.

Specified by:

removeListener in interface Resolve

Parameters:

listener - DOCUMENT ME!

fire

public void fire(ResolveChangeEvent event)

This method does nothing. Sublcasses should override if events are supported.

Specified by:

fire in interface Resolve

Parameters:

event - DOCUMENT ME!

hashCode

public int hashCode()

This should represent the identified

Overrides:

hashCode in class Object

See Also:

Object.hashCode()

toString

public String toString()

Indicate class and id.

Overrides:

toString in class Object

Returns:

string representing this IResolve