uk.ac.starlink.vo

Class KeywordServiceQueryFactory

java.lang.Object

uk.ac.starlink.vo.KeywordServiceQueryFactory

All Implemented Interfaces:

RegistryQueryFactory

public class KeywordServiceQueryFactory
extends Object
implements RegistryQueryFactory

RegistryQueryFactory implementation which combines a fixed base query for a particular service type with a freeform keyword search.

Since:

19 Dec 2008

Author:

Mark Taylor

Constructor Summary

Constructors

Constructor and Description
KeywordServiceQueryFactory(Capability capability) Constructs a query factory which looks for services with a particular standard ID.

Method Summary

Modifier and Type	Method and Description
void	addEntryListener(ActionListener listener) Adds a listener which will be notified when the user has entered a query.
JComponent	getComponent() May return a component which the user can interact with to select a query.
RegistryQuery	getIdListQuery(String[] ivoids) Returns a registry query suitable for this query factory which queries a given list of IVO identifiers.
RegistryQuery	getQuery() Returns the currently selected query.
RegistrySelector	getRegistrySelector() Returns the registry component object associated with this object.
void	removeEntryListener(ActionListener listener) Removes a listener previously added by RegistryQueryFactory.addEntryListener(java.awt.event.ActionListener).

Methods inherited from class java.lang.Object

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

Constructor Detail

KeywordServiceQueryFactory

public KeywordServiceQueryFactory(Capability capability)

Constructs a query factory which looks for services with a particular standard ID.

Parameters:

capability - description of capability which all results must have

Method Detail

getQuery

public RegistryQuery getQuery()
                       throws MalformedURLException

Description copied from interface: RegistryQueryFactory

Returns the currently selected query.

Specified by:

getQuery in interface RegistryQueryFactory

Returns:

query object

Throws:

MalformedURLException

getIdListQuery

public RegistryQuery getIdListQuery(String[] ivoids)
                             throws MalformedURLException

Description copied from interface: RegistryQueryFactory

Returns a registry query suitable for this query factory which queries a given list of IVO identifiers.

Specified by:

getIdListQuery in interface RegistryQueryFactory

Parameters:

ivoids - ivo:-type resource identifiers

Returns:

registry query whose results are suitable for a result of this query factory; may be null

Throws:

MalformedURLException

getComponent

public JComponent getComponent()

Description copied from interface: RegistryQueryFactory

May return a component which the user can interact with to select a query. If it returns null, this factory is considered to be non-interactive (only capable of supplying a single fixed query).

Specified by:

getComponent in interface RegistryQueryFactory

Returns:

GUI component for query selection, or null

addEntryListener

public void addEntryListener(ActionListener listener)

Description copied from interface: RegistryQueryFactory

Adds a listener which will be notified when the user has entered a query.

Specified by:

addEntryListener in interface RegistryQueryFactory

Parameters:

listener - listener

removeEntryListener

public void removeEntryListener(ActionListener listener)

Description copied from interface: RegistryQueryFactory

Removes a listener previously added by RegistryQueryFactory.addEntryListener(java.awt.event.ActionListener).

Specified by:

removeEntryListener in interface RegistryQueryFactory

Parameters:

listener - listener

getRegistrySelector

public RegistrySelector getRegistrySelector()

Description copied from interface: RegistryQueryFactory

Returns the registry component object associated with this object.

Specified by:

getRegistrySelector in interface RegistryQueryFactory

Returns:

registry selector