/******************************************************************************
* Copyright (c) 2014 Oracle
* 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:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.internal;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.eclipse.sapphire.ConversionService;
import org.eclipse.sapphire.Serialization;
import org.eclipse.sapphire.ValueProperty;
import org.eclipse.sapphire.services.ServiceCondition;
import org.eclipse.sapphire.services.ServiceContext;
/**
* ConversionService implementation for Date to String conversions specified at property level using @Serialization annotation.
*
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class DateToStringConversionServiceForProperty extends ConversionService<Date,String>
{
private DateFormat format;
public DateToStringConversionServiceForProperty()
{
super( Date.class, String.class );
}
@Override
protected void init()
{
final Serialization serialization = context( ValueProperty.class ).getAnnotation( Serialization.class );
this.format = new SimpleDateFormat( serialization.primary() );
}
@Override
public synchronized String convert( final Date date )
{
// Must synchronize as SimpleDateFormat is not safe for concurrent use by multiple threads.
return this.format.format( date );
}
public static final class Condition extends ServiceCondition
{
@Override
public boolean applicable( final ServiceContext context )
{
final ValueProperty property = context.find( ValueProperty.class );
return ( property != null && property.getTypeClass() == Date.class && property.hasAnnotation( Serialization.class ) );
}
}
}