/**
    * Pyx4me framework
    * Copyright (C) 2006-2008 pyx4j.com.
    * 
    * Licensed 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.
   * 
   * @author vlads
   * @version $Id: BluetoothDiscoveryMojo.java 2066 2008-06-21 23:16:18Z vlads $
   */
  package com.pyx4me.maven.obex;
  
  import java.io.IOException;
  import java.util.Iterator;
  import java.util.Vector;
  
  import javax.bluetooth.BluetoothStateException;
  import javax.bluetooth.DeviceClass;
  import javax.bluetooth.DiscoveryAgent;
  import javax.bluetooth.DiscoveryListener;
  import javax.bluetooth.LocalDevice;
  import javax.bluetooth.RemoteDevice;
  import javax.bluetooth.ServiceRecord;
  
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugin.logging.Log;
  import org.apache.maven.project.MavenProject;
  
  /**
   * The obex:discovery task finds all Bluetooth devices that support OBEX Object
   * Push.
   * 
   * @author vlads
   * 
   * @goal discovery
   * @description Find all Bluetooth devices that support OBEX Object Push.
   */
  public class BluetoothDiscoveryMojo extends AbstractMojo {
  
  	/**
  	 * The Maven project reference where the plugin is currently being executed.
  	 * The default value is populated from maven.
  	 * 
  	 * @parameter expression="${project}"
  	 * @readonly
  	 * @required
  	 */
  	protected MavenProject mavenProject;
  
  	private Log log;
  
  	private Vector devices;
  
  	private class BluetoothInquirer implements DiscoveryListener {
  
  		boolean inquiring;
  
  		public boolean startInquiry() {
  			inquiring = false;
  			try {
  				inquiring = LocalDevice.getLocalDevice().getDiscoveryAgent().startInquiry(DiscoveryAgent.GIAC, this);
  			} catch (BluetoothStateException e) {
  				log.error("Cannot start inquiry", e);
  				return false;
  			}
  			return inquiring;
  		}
  
  		public void deviceDiscovered(RemoteDevice btDevice, DeviceClass cod) {
  			devices.add(btDevice);
  			try {
  				String name = btDevice.getFriendlyName(false);
  				log
  						.info("Found " + btDevice.getBluetoothAddress() + " " + name + " "
  								+ DeviceClassConsts.toString(cod));
  			} catch (IOException ioe) {
  				log.info("Found " + btDevice.getBluetoothAddress() + " " + DeviceClassConsts.toString(cod));
  			}
  		}
  
  		public void servicesDiscovered(int transID, ServiceRecord[] servRecord) {
  		}
  
  		public void serviceSearchCompleted(int transID, int respCode) {
  		}
  
  		public void inquiryCompleted(int discType) {
 			inquiring = false;
 		}
 
 	}
 
 	public void execute() throws MojoExecutionException, MojoFailureException {
 
 		// System.setProperty("bluecove.debug", "true");
 
 		log = getLog();
 		devices = new Vector();
 
 		BluetoothInquirer bi = new BluetoothInquirer();
 		log.info("Starting Device inquiry");
 		if (!bi.startInquiry()) {
 			log.error("Cannot start inquiry");
 		} else {
 			while (bi.inquiring) {
 				try {
 					Thread.sleep(1000);
 				} catch (Exception e) {
 				}
 			}
 		}
 
 		for (Iterator iter = devices.iterator(); iter.hasNext();) {
 			RemoteDevice dev = (RemoteDevice) iter.next();
 			ServiceSearchMojo.findOBEX(dev.getBluetoothAddress(), null, log);
 		}
 	}
 
 }