/*
* 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 java.io.PrintWriter;
import java.util.Arrays;
import java.util.Iterator;
import java.util.TreeMap;
import org.apache.felix.webconsole.ConfigurationPrinter;
import org.apache.felix.webconsole.WebConsoleUtil;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceReference;
import org.osgi.service.upnp.UPnPAction;
import org.osgi.service.upnp.UPnPDevice;
import org.osgi.service.upnp.UPnPService;
import org.osgi.service.upnp.UPnPStateVariable;
import org.osgi.util.tracker.ServiceTracker;
/**
* Prints the available UPnP devices
*
*/
class ConfigurationPrinterImpl implements ConfigurationPrinter, Constants
{
private final ServiceTracker tracker;
ConfigurationPrinterImpl(ServiceTracker tracker)
{
this.tracker = tracker;
}
/**
* @see org.apache.felix.webconsole.ConfigurationPrinter#getTitle()
*/
public String getTitle()
{
return "UPnP Devices"; //$NON-NLS-1$
}
/**
* @see org.apache.felix.webconsole.ConfigurationPrinter#printConfiguration(java.io.PrintWriter)
*/
public void printConfiguration(PrintWriter pw)
{
TreeMap componentMap = new TreeMap();
ServiceReference[] refs = tracker.getServiceReferences();
for (int i = 0; refs != null && i < refs.length; i++)
{
ServiceReference ref = refs[i];
if (null != ref.getProperty(UPnPDevice.UDN)) // make sure device is valid
{
// order components by friendly name
componentMap.put(nameOf(ref).toString() + ref.getProperty(SERVICE_ID), ref);
}
}
if (componentMap.isEmpty())
{
pw.println("Status: No UPnP devices found");
return;
}
pw.println("Status: " + componentMap.size() + " UPnP devices found");
pw.println();
// render components
for (Iterator ci = componentMap.values().iterator(); ci.hasNext();)
{
print(pw, (ServiceReference) ci.next());
}
}
private static final Object nameOf(ServiceReference ref)
{
Object name = ref.getProperty(UPnPDevice.FRIENDLY_NAME);
if (null == name)
{
name = ref.getProperty(UPnPDevice.UDN);
}
return name;
}
private void print(PrintWriter pw, ServiceReference ref)
{
pw.println(nameOf(ref));
pw.println(" Properties:");
String[] properties = ref.getPropertyKeys();
Arrays.sort(properties);
for (int i = 0; i < properties.length; i++)
{
String key = properties[i];
if (OBJECTCLASS.equals(key) || SERVICE_ID.equals(key))
{
continue;
}
Object val = ref.getProperty(key);
val = WebConsoleUtil.toString(val);
pw.print(" "); //$NON-NLS-1$
pw.print(key);
pw.print(" = "); //$NON-NLS-1$
pw.println(val);
}
UPnPDevice dev = (UPnPDevice) tracker.getService(ref);
if (null == dev)
return;
UPnPService services[] = dev.getServices();
if (null != services && services.length > 0)
{
pw.println(" Services:");
for (int i = 0; i < services.length; i++)
{
print(pw, services[i]);
}
}
pw.println();
}
private void print(PrintWriter pw, UPnPService serv)
{
pw.print(" Service: ");
pw.print(serv.getId());
pw.print(", ver ");
pw.print(serv.getVersion());
pw.print(" (type = ");
pw.print(serv.getType());
pw.println(')');
UPnPAction[] actions = serv.getActions();
if (actions != null && actions.length > 0)
{
pw.print(" Actions: ");
for (int i = 0; i < actions.length; i++)
{
pw.print(actions[i].getName());
if (i < actions.length - 1)
{
pw.print(", ");
}
}
pw.println();
}
UPnPStateVariable[] vars = serv.getStateVariables();
if (vars != null && vars.length > 0)
{
pw.println(" State Vars:");
for (int i = 0; i < vars.length; i++)
{
print(pw, vars[i]);
}
}
}
private void print(PrintWriter pw, UPnPStateVariable var)
{
pw.print(" ");
pw.print(var.getName());
pw.print(" (");
pw.print(var.getUPnPDataType());
pw.print(')');
if (var.sendsEvents())
{
pw.print(", sends events");
}
if (null != var.getMinimum())
{
pw.print(", min = ");
pw.print(var.getMinimum());
}
if (null != var.getMaximum())
{
pw.print(", max = ");
pw.print(var.getMaximum());
}
if (null != var.getStep())
{
pw.print(", step = ");
pw.print(var.getStep());
}
pw.println();
}
}