Bug 130688 ULocal unsupported(Data)
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
public static Object convert( Object source, Class toTypeClass )
		throws BirtException
	{
		if ( toTypeClass == DataType.getClass( DataType.ANY_TYPE ) )
			return source;
		if ( toTypeClass == Integer.class )
			return toInteger( source );
		if ( toTypeClass == BigDecimal.class )
			return toBigDecimal( source );
		if ( toTypeClass == Boolean.class )
			return toBoolean( source );
		if ( Date.class.isAssignableFrom( toTypeClass ) )
			return toDate( source );
		if ( toTypeClass == Double.class )
			return toDouble( source );
		if ( toTypeClass == String.class )
			return toString( source );
		if ( toTypeClass == Blob.class )
			return toBlob( source );
		
		throw new BirtException( pluginId,
				ResourceConstants.INVALID_TYPE,
				resourceBundle );
	}
	/**
	 * Boolean -> Integer
	 * 		true 	-> 1
	 * 		others 	-> 0 
	 * Date -> Integer
	 * 		Date.getTime();