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javax.usb.util

public Class UsbUtil

extends Object
Class Inheritance
Imports
java.io.UnsupportedEncodingException, java.util.*, javax.usb.*, javax.usb.event.*
General utility methods.
Author
Dan Streetman

Nested and Inner Type Summary

Modifier and TypeClass and Description
public static class
UsbUtil.SynchronizedUsbDevice

A synchronized UsbDevice wrapper implementation.

public static class
UsbUtil.SynchronizedUsbPipe

A synchronized UsbPipe wrapper implementation.

Constructor Summary

AccessConstructor and Description
public
UsbUtil()

Method Summary

Modifier and TypeMethod and Description
public static String

Returns:

A String representing the speed Object.
getSpeedString(Object
The device-speed Object.
object)

Get a String description of the specified device-speed Object.

public static UsbDevice

Returns:

A synchronized UsbDevice.
synchronizedUsbDevice(UsbDevice
The unsynchronized UsbDevice.
usbDevice)

Create a synchronized UsbDevice.

public static UsbPipe

Returns:

A synchronized UsbPipe.
synchronizedUsbPipe(UsbPipe
The unsynchronized UsbPipe.
usbPipe)

Create a synchronized UsbPipe.

public static String
toHexString(byte
the byte to convert
b)

Format a byte into a proper length hex String.

public static String
toHexString(short
the short to convert
s)

Format a short into a proper length hex String.

public static String
toHexString(int
the integer to convert
i)

Format a int into a proper length hex String.

public static String
toHexString(long
the long to convert
l)

Format a long into the specified length hex String.

public static String
toHexString(long
the long to convert
l, char
the character to use for padding
c, int
the min length of the resulting String
min, int
the max length of the resulting String
max)

Format a long into the specified length hex String.

public static String

Returns:

A String representing the byte[].
toHexString(String
The delimiter to prefix every byte with.
delimiter, byte[]
The byte[] to convert.
array, int
The number of bytes to use.
length)

Format a byte[] into a hex String.

public static String

Returns:

A String representing the short[].
toHexString(String
The delimiter to prefix every short with.
delimiter, short[]
The short[] to convert.
array, int
The number of shorts to use.
length)

Format a short[] into a hex String.

public static String

Returns:

A String representing the int[].
toHexString(String
The delimiter to prefix every int with.
delimiter, int[]
The int[] to convert.
array, int
The number of ints to use.
length)

Format a int[] into a hex String.

public static String

Returns:

A String representing the long[].
toHexString(String
The delimiter to prefix every long with.
delimiter, long[]
The long[] to convert.
array, int
The number of longs to use.
length)

Format a long[] into a hex String.

public static String

Returns:

A String representing the byte[].
toHexString(String
The delimiter to prefix every byte with.
delimiter, byte[]
The byte[] to convert.
array)

Format a byte[] into a hex String.

public static String

Returns:

A String representing the short[].
toHexString(String
The delimiter to prefix every short with.
delimiter, short[]
The short[] to convert.
array)

Format a short[] into a hex String.

public static String

Returns:

A String representing the int[].
toHexString(String
The delimiter to prefix every int with.
delimiter, int[]
The int[] to convert.
array)

Format a int[] into a hex String.

public static String

Returns:

A String representing the long[].
toHexString(String
The delimiter to prefix every long with.
delimiter, long[]
The long[] to convert.
array)

Format a long[] into a hex String.

public static int

Returns:

An int representing the bytes.
toInt(byte
The byte to be left-shifted 24 bits.
byte3, byte
The byte to be left-shifted 16 bits.
byte2, byte
The byte to be left-shifted 8 bits.
byte1, byte
The byte that will not be left-shifted.
byte0)

Convert 4 bytes into an int.

public static int

Returns:

An int representing the shorts.
toInt(short
The Most Significant Short.
mss, short
The Least Significant Short.
lss)

Convert 2 shorts into an int.

public static long

Returns:

A long representing the bytes.
toLong(byte
The byte to be left-shifted 56 bits.
byte7, byte
The byte to be left-shifted 48 bits.
byte6, byte
The byte to be left-shifted 40 bits.
byte5, byte
The byte to be left-shifted 32 bits.
byte4, byte
The byte to be left-shifted 24 bits.
byte3, byte
The byte to be left-shifted 16 bits.
byte2, byte
The byte to be left-shifted 8 bits.
byte1, byte
The byte that will not be left-shifted.
byte0)

Convert 8 bytes into a long.

public static long

Returns:

A long representing the shorts.
toLong(short
The short to be left-shifted 48 bits.
short3, short
The short to be left-shifted 32 bits.
short2, short
The short to be left-shifted 16 bits.
short1, short
The short that will not be left-shifted.
short0)

Convert 4 shorts into a long.

public static long

Returns:

A long representing the ints.
toLong(int
The Most Significant Int.
msi, int
The Least Significant Int.
lsi)

Convert 2 ints into a long.

public static short

Returns:

A short representing the bytes.
toShort(byte
The Most Significant Byte.
msb, byte
The Least Significant Byte.
lsb)

Convert 2 bytes into a short.

public static int

Returns:

An unsigned int representing the specified byte.
unsignedInt(byte
the byte to convert.
b)

Get the specified byte's value as an unsigned integer.

public static int

Returns:

An unsigned int representing the specified short.
unsignedInt(short
the short to convert.
s)

Get the specified short's value as an unsigned integer.

public static long

Returns:

An unsigned long representing the specified byte.
unsignedLong(byte
the byte to convert.
b)

Get the specified byte's value as an unsigned long.

public static long

Returns:

An unsigned long representing the specified short.
unsignedLong(short
the short to convert.
s)

Get the specified short's value as an unsigned long.

public static long

Returns:

An unsigned long representing the specified int.
unsignedLong(int
the int to convert.
i)

Get the specified int's value as an unsigned long.

public static short

Returns:

An unsigned short representing the specified byte.
unsignedShort(byte
the byte to convert.
b)

Get the specified byte's value as an unsigned short.

Inherited from java.lang.Object:
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