/*
* 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.felix.webconsole.plugins.upnp.internal;
import org.json.JSONException;
import org.json.JSONObject;
import org.osgi.framework.ServiceReference;
import org.osgi.service.upnp.UPnPAction;
import org.osgi.service.upnp.UPnPDevice;
import org.osgi.service.upnp.UPnPLocalStateVariable;
import org.osgi.service.upnp.UPnPService;
import org.osgi.service.upnp.UPnPStateVariable;
class Serializer
{
private Serializer()
{
// prevent instantiation
}
static final JSONObject deviceToJSON(ServiceReference ref, UPnPDevice device)
throws JSONException
{
final JSONObject json = new JSONObject();
json.put("icon", device.getIcons(null) != null); //$NON-NLS-1$
// add properties
final String[] props = ref.getPropertyKeys();
final JSONObject _props = new JSONObject();
for (int i = 0; props != null && i < props.length; i++)
{
_props.put(props[i], ref.getProperty(props[i]));
}
json.put("props", _props); //$NON-NLS-1$
final UPnPService[] services = device.getServices();
for (int i = 0; services != null && i < services.length; i++)
{
json.append("services", services[i].getType()); //$NON-NLS-1$
}
return json;
}
static final JSONObject serviceToJSON(UPnPService service,
SessionObject session) throws JSONException
{
final JSONObject json = new JSONObject();
// add service properties
json.put("type", service.getType()); //$NON-NLS-1$
json.put("id", service.getId()); //$NON-NLS-1$
// add state variables
final UPnPStateVariable[] vars = service.getStateVariables();
for (int i = 0; vars != null && i < vars.length; i++)
{
Object value = null;
if (vars[i] instanceof UPnPLocalStateVariable)
{
value = ((UPnPLocalStateVariable) vars[i]).getCurrentValue();
}
if (value == null)
value = session.getValue(vars[i].getName());
if (value == null)
value = "---"; //$NON-NLS-1$
json.append("variables", variableToJSON(vars[i], vars[i].getName()) //$NON-NLS-1$
.put("value", value));// //$NON-NLS-1$
}
// add actions
final UPnPAction[] actions = service.getActions();
for (int i = 0; actions != null && i < actions.length; i++)
{
json.append("actions", actionToJSON(actions[i])); //$NON-NLS-1$
}
return json;
}
static final JSONObject variableToJSON(final UPnPStateVariable var,
final String name) throws JSONException
{
return new JSONObject()//
.put("name", name) // //$NON-NLS-1$
.put("default", var.getDefaultValue()) // //$NON-NLS-1$
.put("min", var.getMinimum()) //$NON-NLS-1$
.put("max", var.getMaximum()) //$NON-NLS-1$
.put("step", var.getStep()) //$NON-NLS-1$
.put("allowed", var.getAllowedValues()) //$NON-NLS-1$
.put("sendsEvents", var.sendsEvents()) //$NON-NLS-1$
.put("type", var.getUPnPDataType()); //$NON-NLS-1$
}
static final JSONObject actionToJSON(UPnPAction action) throws JSONException
{
final JSONObject json = new JSONObject();
json.put("name", action.getName()); //$NON-NLS-1$
final String[] names = action.getInputArgumentNames();
for (int i = 0; names != null && i < names.length; i++)
{
final UPnPStateVariable variable = action.getStateVariable(names[i]);
json.append("inVars", variableToJSON(variable, names[i])); //$NON-NLS-1$
}
return json;
}
}