По примерам начал писать, но при запуске выдается ошибка - Exception java.lang.IIIlegalAccessException. И что лучше RFCOMM или L2CAP использовать???
| Код |
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
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 javax.bluetooth.UUID;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnection;
import javax.microedition.io.StreamConnectionNotifier;
/*
* ClientServer.java
*
* Created on December 4, 2006, 1:40 AM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
/**
*
* @author Farhan Hameed Khan
*/
public class ClientServer implements DiscoveryListener{
/** Creates a new instance of ClientServer */
UUID RFCOMM_UUID = new UUID(0x0003);
private String m_ServerUrl = "btspp://localhost:" + RFCOMM_UUID + ";name=rfcommtest;authorize=true";
private StreamConnection m_StrmConn = null;
private LocalDevice m_LclDevice = null;
private InputStream m_Input=null;
private OutputStream m_Output=null;
private StreamConnectionNotifier m_StrmNotf=null;
public boolean m_bIsServer=false,m_bServerFound=false,m_bInitServer=false,m_bInitClient=false;
private static String m_strUrl;
private final String SEVER_RESPONSE= "RUN_THE_GAME",CLIENT_RESPONSE="CLIENT_IS_READY";
private DiscoveryAgent m_DscrAgent=null;
public ClientServer(boolean isServer)
{
m_bIsServer = isServer;
if(m_bIsServer)
{
System.out.println("Server");
InitServer();
}
else
{
InitClient();
}
}
private void InitServer()
{
m_strUrl= "btspp://localhost:" + RFCOMM_UUID + ";name=rfcommtest;authorize=true";
// m_StrmConn = BTFACADE.waitForClient(SERVICE_NBR);
try
{
m_LclDevice = LocalDevice.getLocalDevice();
m_LclDevice.setDiscoverable(DiscoveryAgent.GIAC);
m_StrmNotf = (StreamConnectionNotifier)Connector.open(m_strUrl);
m_StrmConn = m_StrmNotf.acceptAndOpen();
m_bInitServer = true;
m_Output = m_StrmConn.openOutputStream();
m_Input = m_StrmConn.openInputStream();
}
catch (BluetoothStateException e)
{
System.err.println( "BluetoothStateException: " + e.getMessage() );
}
catch (IOException ex)
{
ex.printStackTrace();
}
catch(Exception e)
{
System.err.println( "Exception: " + e.getMessage() );
}
}
private void InitClient()
{
SearchAvailDevices();
}
public void SearchAvailDevices()
{
try
{
//First get the local device and obtain the discovery agent.
m_LclDevice = LocalDevice.getLocalDevice();
m_DscrAgent= m_LclDevice.getDiscoveryAgent();
m_DscrAgent.startInquiry(DiscoveryAgent.GIAC,this);
}
catch (BluetoothStateException ex)
{
System.out.println("Problem in searching the blue tooth devices");
ex.printStackTrace();
}
}
public void SendMessages(String v_strData)
{
if((m_bInitClient) || (m_bInitServer) )
{
try
{
m_Output.write(v_strData.length());
m_Output.write(v_strData.getBytes());
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
}
public String RecieveMessages()
{
byte[] data = null;
try
{
int length = m_Input.read();
data= new byte[length];
length = 0;
while (length != data.length)
{
int ch = m_Input.read(data, length, data.length - length);
if (ch == -1)
{
throw new IOException("Can't read data");
}
length += ch;
}
}
catch (IOException e)
{
System.err.println(e);
}
return new String(data);
}
/*********************************************************************************************
* below are the pure virtual methods of discoverlistern
*
*
*******************************************************************************************/
public void inquiryCompleted(int discType)
{
System.out.println("InquiryCompleted");
}
//called when service search gets complete
public void serviceSearchCompleted(int transID, int respCode)
{
if(m_bServerFound)
{
try
{ //lets the communication start by setting the url and send client reponse
m_StrmConn = (StreamConnection) Connector.open(m_strUrl);
m_Output = m_StrmConn.openOutputStream();
m_Input = m_StrmConn.openInputStream();
m_Output.write(CLIENT_RESPONSE.length());
m_Output.write(CLIENT_RESPONSE.getBytes());
System.out.println("serviceSearchCompleted");
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
}
void CloseAll()
{
try
{
if(m_Output!=null)
m_Output.close();
if( m_Input!=null)
m_Input.close();
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
//called when service found during service search
public void servicesDiscovered(int transID, ServiceRecord[] records)
{
for (int i = 0; i < records.length; i++)
{
m_strUrl = records[i].getConnectionURL(ServiceRecord.AUTHENTICATE_ENCRYPT, false);
System.out.println(m_strUrl);
if(m_strUrl.startsWith("btspp")) //we have found our service protocol
{
m_bServerFound = true;
m_bInitClient=true;
break;
}
}
}
//Called when device is found during inquiry
public void deviceDiscovered(RemoteDevice btDevice, DeviceClass cod)
{
try
{
// Get Device Info
System.out.println("Device Discovered");
System.out.println("Major Device Class: " + cod.getMajorDeviceClass() + " Minor Device Class: " + cod.getMinorDeviceClass());
System.out.println("Bluetooth Address: " + btDevice.getBluetoothAddress());
System.out.println("Bluetooth Friendly Name: " + btDevice.getFriendlyName(true));
// Search for Services
UUID uuidSet[] = new UUID[1];
uuidSet[0] = RFCOMM_UUID;
int searchID = m_DscrAgent.searchServices(null,uuidSet,btDevice,this);
}
catch (Exception e)
{
System.out.println("Device Discovered Error: " + e);
}
}
}
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