bluetoothconnection.java

蓝牙上网 j2me的源代码

package Hiisi;

import java.io.IOException;
import java.util.Vector;
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 javax.bluetooth.UUID;
import javax.bluetooth.BluetoothStateException;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.List;

public class BluetoothConnection implements DiscoveryListener {
	private UUID uuid = new UUID("1101", true);
	private int inquiryMode = DiscoveryAgent.GIAC;
	private int connectionOptions = ServiceRecord.NOAUTHENTICATE_NOENCRYPT;
	
	private Command[] command = new Command[2];
	
	private Vector deviceList;
	private Vector serviceList;
	private String url = null;
	
	private RemoteDevice selectedDevice = null;
	
	String getUrl() {
		return url;
	}
	String setUrl(String s) {
		url = s;
		return url;
	}
	String getSelectedDevice() {
		if(selectedDevice == null) return null;
		else return getDeviceStr(selectedDevice);
	}
	
	BluetoothConnection() {
	}
	
	public void startDeviceInquiry() {
		deviceList = new Vector();
		selectedDevice = null;
		serviceList = new Vector();
		url = null;
		try {
			HiisiMIDlet.mainForm.log("Inquiring bluetooth device...");
			DiscoveryAgent agent = getAgent();
			agent.startInquiry(inquiryMode, this);
		} catch (Exception e) {
			HiisiMIDlet.mainForm.log(e);
		}
	}
	
	public void deviceDiscovered(RemoteDevice btDevice, DeviceClass cod) {
		deviceList.addElement(btDevice);
	}

	public void inquiryCompleted(int discType) {
		makeDeviceSelectionGUI();
	}
	
	private void startServiceSearch(RemoteDevice device) {
		serviceList = new Vector();
		url = null;
		try {
			HiisiMIDlet.mainForm.log("Searching Serial Port Profile service...");
			UUID uuids[] = new UUID[] {
				uuid
			};
			getAgent().searchServices(null, uuids, device, this);
		} catch (Exception e) {
			HiisiMIDlet.mainForm.log(e);
		}
	}
	public void servicesDiscovered(int transId, ServiceRecord[] records) {
		for (int i = 0; i < records.length; i++) {
			ServiceRecord rec = records[i];
			serviceList.addElement(rec.getConnectionURL(connectionOptions, false));
		}
	}
	
	public void serviceSearchCompleted(int transID, int respCode) {
		makeServiceSelectionGUI();
	}
	
	
	private void makeDeviceSelectionGUI() {
		final List devices;
		devices = new List("Select a device", List.IMPLICIT);
		for (int i = 0; i < deviceList.size(); i++) devices.append(getDeviceStr((RemoteDevice) deviceList.elementAt(i)), null);
		devices.append("Inquire device again", null);
		devices.append("Abort bluetooth setting", null);
		devices.setCommandListener(
			new CommandListener() {
				public void commandAction(Command c, Displayable d) {
					if(devices.getSelectedIndex() < deviceList.size()) {
						Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(HiisiMIDlet.mainForm);
						selectedDevice = (RemoteDevice)deviceList.elementAt(devices.getSelectedIndex());
						startServiceSearch(selectedDevice);
					} else if(devices.getSelectedIndex() == deviceList.size()) {
						Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(HiisiMIDlet.mainForm);
						startDeviceInquiry();
					} else if(devices.getSelectedIndex() == deviceList.size() + 1) {
						Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(HiisiMIDlet.mainForm);
						HiisiMIDlet.settingForm.setGatewayMode(HiisiMIDlet.settingForm.WAP_MODE);
						HiisiMIDlet.mainForm.log("Hiisi Proxy " + HiisiMIDlet.hiisiMIDlet.settingForm.getGatewayModeString()
							+ " is idling...");
					}
				}
			}
		);
		Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(devices);
	}
	
	private void makeServiceSelectionGUI() {
		final List services;
		services = new List("Select a service", List.IMPLICIT);
		for (int i = 0; i < serviceList.size(); i++) services.append((String)serviceList.elementAt(i), null);
		services.append("Search service again", null);
		services.append("Abort bluetooth setting", null);
		services.setCommandListener(
			new CommandListener() {
				public void commandAction(Command c, Displayable d) {
					if(services.getSelectedIndex() < serviceList.size()) {
						Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(HiisiMIDlet.mainForm);
						setUrl((String)serviceList.elementAt(services.getSelectedIndex()));
						HiisiMIDlet.mainForm.log("Hiisi Proxy " + HiisiMIDlet.hiisiMIDlet.settingForm.getGatewayModeString()
							+ " is idling...");
					} else if(services.getSelectedIndex() == serviceList.size()) {
						Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(HiisiMIDlet.mainForm);
						startServiceSearch(selectedDevice);
					} else if(services.getSelectedIndex() == serviceList.size() + 1) {
						Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(HiisiMIDlet.mainForm);
						HiisiMIDlet.settingForm.setGatewayMode(HiisiMIDlet.settingForm.WAP_MODE);
						HiisiMIDlet.mainForm.log("Hiisi Proxy " + HiisiMIDlet.hiisiMIDlet.settingForm.getGatewayModeString()
							+ " is idling...");
					}
				}
			}
		);
		Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(services);
	}
	
	private DiscoveryAgent getAgent() {
		try {
			return LocalDevice.getLocalDevice().getDiscoveryAgent();
		} catch (BluetoothStateException e) {
			throw new Error(e.getMessage());
		}
	}
	
	private String getDeviceStr(RemoteDevice btDevice) {
		return getFriendlyName(btDevice) + " - 0x"
				+ btDevice.getBluetoothAddress();
	}

	private String getFriendlyName(RemoteDevice btDevice) {
		try {
			return btDevice.getFriendlyName(false);
		} catch (IOException e) {
			return "No name available";
		}
	}
}