Bug 130688 ULocal unsupported(Data)
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
new Object[]{
							source.toString( ), "Double"
					},
					resourceBundle );
		}
	}
	/**
	 * Number -> String
	 * 		Number.toString()
	 * Boolean -> String
	 * 		Boolean.toString()
	 * Date	-> String
	 * 		toString(Date)
	 * @param source
	 * @return
	 * @throws BirtException
	 */
	public static String toString( Object source ) throws BirtException
	{
		return toString( source, Locale.getDefault( ) );
	}
	
	
	/**
	 * Number -> String
	 * 		Number.toString()
	 * Boolean -> String
	 * 		Boolean.toString()
	 * Date	-> String
	 * 		toString(Date,locale)