org.apache.ace.location.upnp/src/org/apache/ace/location/upnp/UPnPLocationServiceWrapper.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.ace.location.upnp;

import java.net.URL;
import java.util.HashMap;
import java.util.Map;

import org.apache.ace.location.LocationService;
import org.apache.ace.location.upnp.actions.GetLocationAction;
import org.apache.ace.location.upnp.actions.GetServerLoadAction;
import org.apache.ace.location.upnp.actions.GetServerTypeAction;
import org.osgi.service.upnp.UPnPAction;
import org.osgi.service.upnp.UPnPService;
import org.osgi.service.upnp.UPnPStateVariable;

public class UPnPLocationServiceWrapper implements UPnPService, LocationService {
	private static final String SERVICE_ID = "urn:upnp-org:serviceId:LocationService:1";
	private volatile LocationService m_ls;
	private volatile Map<String, UPnPAction> m_actions;

	public UPnPLocationServiceWrapper() {
		m_actions = new HashMap<String, UPnPAction>();
		UPnPAction location = new GetLocationAction(this);
		m_actions.put(location.getName(), location);
		UPnPAction type = new GetServerTypeAction(this);
		m_actions.put(type.getName(), type);
		UPnPAction load = new GetServerLoadAction(this);
		m_actions.put(load.getName(), load);
	}

	public URL getLocation() {
		return m_ls.getLocation();
	}

	public String getServerType() {
		return m_ls.getServerType();
	}

	public int getServerLoad() {
		return (int)(40 + Math.random()*10);
	}

	public UPnPAction getAction(String actionName) {
		return m_actions.get(actionName);
	}

	public UPnPAction[] getActions() {
		return m_actions.values().toArray(new UPnPAction[0]);
	}

	public String getId() {
		return SERVICE_ID;
	}

	public UPnPStateVariable getStateVariable(String id) {
		UPnPAction action = m_actions.get(id);
		if (action != null) {
			return action.getStateVariable(null);
		}
		return null;
	}

	public UPnPStateVariable[] getStateVariables() {
		int i = 0;
		UPnPStateVariable[] states = new UPnPStateVariable[m_actions.size()];
		for (UPnPAction action : m_actions.values()) {
			states[i++] = action.getStateVariable(null);
		}
		return states;
	}

	public String getType() {
		return UPnPConstants.LOCATION_SERVICE_TYPE;
	}

	public String getVersion() {
		return "1";
	}
}