if (device != null)

{

// Obtain the current Configuration of the device and the number of

// Interfaces available under the current Configuration.

Configuration config = device.getConfiguration();

int total_interface = config.getNumInterfaces();

// Traverse through the Interfaces

for (int k=0; k　　{

// Access the currently Interface and obtain the number of

// endpoints available on the Interface.

Interface itf = config.getInterface(k, 0);

int total_ep = itf.getNumEndpoints();

// Traverse through all the endpoints.

for (int l=0; l　　{

// Access the endpoint, and obtain its I/O type.

Endpoint ep = itf.getEndpoint(l);

String io_type = ep.getType();

boolean input = ep.isInput();

// If the endpoint is an input endpoint, obtain its

// InputStream and read in data.

if (input)

{

InputStream in;

in = ep.getInputStream();

// Read in data here

in.close();

}

// If the Endpoint is and output Endpoint, obtain its

// OutputStream and write out data.

else

{

OutputStream out;

out = ep.getOutputStream();

// Write out data here.

out.close();

}

}

}

}