/*******************************************************************************
* Copyright (c) 2007, 2010 Innoopract Informationssysteme GmbH.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Innoopract Informationssysteme GmbH - initial API and implementation
* EclipseSource - ongoing development
******************************************************************************/
package org.eclipse.swt.internal.graphics;
// TODO [fappel]: Finish implementation and revise this. This class is meant to
// be initialized once at application startup. Because of this
// there should no need for synchronization. Due to the
// application scope of the storage synchronizations may cause
// also performance problems.
public class TextSizeStorageRegistry {
private static ITextSizeStorage storage;
public static void register( final ITextSizeStorage textSizeStorage ) {
if( storage != null ) {
String msg
= "A textsize storage implementation has already been registered.";
throw new IllegalStateException( msg );
}
storage = textSizeStorage;
}
public static ITextSizeStorage obtain() {
if( storage == null ) {
storage = new DefaultTextSizeStorage();
}
return storage;
}
}