/* * Copyright (C) 2013 4th Line GmbH, Switzerland * * The contents of this file are subject to the terms of either the GNU * Lesser General Public License Version 2 or later ("LGPL") or the * Common Development and Distribution License Version 1 or later * ("CDDL") (collectively, the "License"). You may not use this file * except in compliance with the License. See LICENSE.txt for more * information. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. */ package org.fourthline.cling.support.lastchange; import org.fourthline.cling.model.types.Datatype; import org.fourthline.cling.model.types.InvalidValueException; import org.fourthline.cling.support.shared.AbstractMap; import java.util.Map; public abstract class EventedValue<V> { final protected V value; public EventedValue(V value) { this.value = value; } public EventedValue(Map.Entry<String,String>[] attributes) { try { this.value = valueOf(attributes); } catch (InvalidValueException ex) { throw new RuntimeException(ex); } } public String getName() { return getClass().getSimpleName(); } public V getValue() { return value; } public Map.Entry<String, String>[] getAttributes() { return new Map.Entry[] { new AbstractMap.SimpleEntry<String, String>("val", toString()) }; } protected V valueOf(Map.Entry<String,String>[] attributes) throws InvalidValueException { V v = null; for (Map.Entry<String, String> attribute : attributes) { if (attribute.getKey().equals("val")) v = valueOf(attribute.getValue()); } return v; } protected V valueOf(String s) throws InvalidValueException { return (V)getDatatype().valueOf(s); } @Override public String toString() { return getDatatype().getString(getValue()); } abstract protected Datatype getDatatype(); }