Bug 127861 [DataBinding] Mark API provisional
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/databinding/converterfunctions/ToStringConverter.java
/**
	 * A singleton for the toString() converter function
	 */
	public static final ToStringConverter TOSTRINGFUNCTION = new ToStringConverter();
	/* (non-Javadoc)
	 * @see org.eclipse.jface.binding.converter.IConverter#convert(java.lang.Object)
	 */
	public Object convert(Object source) {
		if (source == null) {
			return ""; 
		}
		return source.toString();
	}
}