usb.linux
Class Linux

java.lang.Object
  |
  +--usb.core.HostFactory
        |
        +--usb.linux.Linux

public final class Linux

extends HostFactory

Provides access to native USB host object for this process.

See Also:

HostProxy

Constructor Summary

Linux()
Not part of the API; implements reference implementation SPI.

Method Summary

Host	createHost() Not part of the API; implements reference implementation SPI.
static Host	getHost() Provides access to the singleton USB Host.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Linux

public Linux()

Not part of the API; implements reference implementation SPI.

Method Detail

createHost

public Host createHost()
                throws java.io.IOException

Not part of the API; implements reference implementation SPI.

Specified by:

createHost in class HostFactory

java.io.IOException

getHost

public static Host getHost()
                    throws java.io.IOException,
                           java.lang.SecurityException

Provides access to the singleton USB Host. This creates a "USB Watcher" daemon thread, which keeps USB device and bus connectivity data current.

Returns:

the host, or null if USB support isn't available.

Throws:

java.io.IOException - for file access problems

java.lang.SecurityException - when usbdevfs hasn't been set up to allow this process to read and write all device nodes

java.lang.RuntimeException - various runtime exceptions may be thrown if the USB information provided by the system doesn't appear to make sense.