uk.ac.starlink.vo
Class KeywordServiceQueryFactory

java.lang.Object
  extended by 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
KeywordServiceQueryFactory(Capability capability)
          Constructs a query factory which looks for services with a particular standard ID.
 
Method Summary
 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


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