Vala Serialization example

ser-example.vala

/* -*- Mode: vala; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*-  */
/*
 * core-json-api-simple-object.vala
 * Copyright (C) 2015 Luc Chante <luc chante gmail com>
 *
 */

public class Core.JsonApi.SimpleObject : Object, Json.Serializable {
	
	public bool serialize_default_value = false;
	
	public SimpleObject () {
		Object ();
	}
	
	// {{{ Serialization
	/**
	 * Calls the JsonSerializableIface.list_propertiess implementation on the this instance.
	 */
	public new ParamSpec[] list_properties () {
		debug ("list_properties()");
		return get_class ().list_properties ();
	}
	
	/**
	 * Asks a Serializable implementation to serialize a Object property into a Node object.
	 */
	public Json.Node serialize_property (string property_name, Value value, ParamSpec pspec) {
		Json.Node node = default_serialize_property (property_name, value, pspec);
		if (node == null) {
			Value strval = Value (typeof(string));
			value.transform (ref strval);
		}

		return node;
	}

	/**
	 * Calls the get_property implementation on the this instance.
	 */
#if VALA_0_28
	public new Value get_property (ParamSpec pspec) {
#else
	public new void get_property (ParamSpec pspec, Value value) {
#endif
		Value result = Value (pspec.value_type);
		base.get_property (pspec.name, ref result);
		
		Value strval = Value (typeof (string));
		result.transform (ref strval);
		debug ("get_property(%s) => %s", pspec.name, strval.get_string ());
		
#if VALA_0_28
		return result;
#else
		value = result;
#endif
	}
	// }}}
	
	/**
	 * Calls the set_property implementation on the this instance.
	 */
	public new void set_property (ParamSpec pspec, Value value) {
		debug ("set_property(%s)", pspec.name);
		base.set_property (pspec.name, value);
	}
	// }}}
}