org.geotools.catalog
Class AbstractFileService

Object
  AbstractService
      AbstractFileService

All Implemented Interfaces:

Resolve, Service

Direct Known Subclasses:

SLDService

public abstract class AbstractFileService
extends AbstractService

Abstract service implementation for file based services.

Author:

Justin Deoliveira, The Open Planning Project, jdeolive@openplans.org

Nested Class Summary

Nested classes/interfaces inherited from interface Resolve

Resolve.Status

Field Summary

Fields inherited from class AbstractService

logger

Constructor Summary

AbstractFileService(Catalog parent, File file)

AbstractFileService(Catalog parent, Map params, File file)

Method Summary

boolean	canResolve(Class adaptee) Supports default Service resolves with an additional resolve to a File.
protected abstract List	createMembers(ProgressListener monitor)
File	getFile()
URI	getIdentifier() Returns the file uri.
List	members(ProgressListener monitor) Returns a single element list which contains a single instance of AbstractFileGeoResource.
Object	resolve(Class adaptee, ProgressListener monitor) Supports default Service resolves with an additional resolve to a File.

Methods inherited from class AbstractService

addListener, equals, fire, getConnectionParams, getMembers, getMessage, getStatus, hashCode, parent, removeListener, setConnectionParams, setMembers, setMessage, toString

Methods inherited from class Object

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

Methods inherited from interface Service

getInfo

Constructor Detail

AbstractFileService

public AbstractFileService(Catalog parent,
                           File file)

AbstractFileService

public AbstractFileService(Catalog parent,
                           Map params,
                           File file)

Method Detail

getFile

public File getFile()

Returns:

the underlying file handle.

members

public List members(ProgressListener monitor)
             throws IOException

Returns a single element list which contains a single instance of AbstractFileGeoResource.

Parameters:

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

Returns:

A list of type GeoResource.

Throws:

IOException - in the result of an I/O error.

createMembers

protected abstract List createMembers(ProgressListener monitor)
                               throws IOException

Throws:

IOException

canResolve

public boolean canResolve(Class adaptee)

Supports default Service resolves with an additional resolve to a File.

Subclasses may wish to extend, or override this method.

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 Object resolve(Class adaptee,
                      ProgressListener monitor)
               throws IOException

Supports default Service resolves with an additional resolve to a File.

Subclasses may wish to extend, or override this method.

Parameters:

adaptee - Class of object to resolve into.

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

Returns:

instance of adaptee, or null if unavailable (IServiceInfo and List must be supported)

Throws:

IOException - in the result of an I/O error.

See Also:

ServiceInfo, GeoResource, IResolve#resolve(Class, ProgressListener)

getIdentifier

public URI getIdentifier()

Returns the file uri.

Returns:

Id of the Resolve, should never be null.

See Also:

getFile()