litesoft
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package org.litesoft.sandbox.infrastructure.client;
import java.util.*;
import com.google.gwt.place.shared.*;
import com.google.gwt.user.client.ui.*;
public class ActivityFactoryRegistry
{
public static <CommonActivityParam extends CommonActivityParameter, View extends IsWidget, APlace extends Place> void register( ActivityFactory.Synchronous<CommonActivityParam, View, APlace> pFactory )
{
add( pFactory );
}
public static <CommonActivityParam extends CommonActivityParameter, View extends IsWidget, APlace extends Place> void register( ActivityFactory.Asynchronous<CommonActivityParam, View, APlace> pFactory )
{
add( pFactory );
}
private static final Map<String, ActivityFactory> PLACEID2ACTIVITYFACTORIES = new HashMap<String, ActivityFactory>();
protected static synchronized ActivityFactory get( String pPlaceId )
{
return PLACEID2ACTIVITYFACTORIES.get( pPlaceId );
}
protected static synchronized boolean replace( ActivityFactory.Asynchronous pExistingFactory, ActivityFactory pNewSyncFactory )
{
if ( pNewSyncFactory != null )
{
String zPlaceId = pNewSyncFactory.getPlaceId();
if ( !pExistingFactory.getPlaceId().equals( zPlaceId ) )
{
throw new IllegalStateException( "New Sync Factory for '" + zPlaceId + "', not '" + pExistingFactory.getPlaceId() + "'" );
}
ActivityFactory zPreviousFactory = PLACEID2ACTIVITYFACTORIES.put( zPlaceId, pNewSyncFactory );
if ( pExistingFactory != zPreviousFactory )
{
throw new IllegalStateException( "Existing Async Factory (" + pExistingFactory.getClass() + ") already replaced by (" + zPreviousFactory.getClass() + ") for: " + zPlaceId );
}
return true;
}
return false;
}
private static synchronized void add( ActivityFactory pFactory )
{
if ( pFactory != null )
{
String zPlaceId = pFactory.getPlaceId();
ActivityFactory zPreviousFactory = PLACEID2ACTIVITYFACTORIES.put( zPlaceId, pFactory );
if ( (zPreviousFactory != null) && (zPreviousFactory == pFactory) )
{
throw new IllegalStateException( "Duplicate registration for '" + zPlaceId + "', previous (" + zPreviousFactory.getClass() + "), new (" + pFactory.getClass() + ")" );
}
}
}
}
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Revision |
Author |
Commited |
Message |
540
|
GeorgeS
|
Mon 03 Oct, 2011 04:22:28 +0000 |
|