This project has retired. For details please refer to its Attic page.

org.apache.cocoon.components.midi.xmidi
Class Utils

java.lang.Object
  org.apache.cocoon.components.midi.xmidi.Utils

public final class Utils
extends Object

Field Summary

static String

VERSION

Constructor Summary

Utils()

Method Summary

static String	baToHex(byte[] b, int strt, int end) convert byte array to hex string
static int	baToInt(byte[] b, int strt, int end) convert byte array to int
static String	baToString(byte[] b, int strt, int end) convert byte array to string (not hex)
static ByteLen	deltaToInt(byte[] b, int offset) convert delta time to byte array a delta time is expressed as a byte array, length unknown (4 or less)
static int	getNextHiOrd(byte[] dta, int offset)
static int	getPW(byte[] dta, int offset)
static int	getUnsignedByte(byte b) convert byte (unsigned) to int
static byte[]	hexToBa(String h, int len) convert hex string to byte array
static byte[]	intToBa(int n, int c) convert int to byte array of length c
static byte[]	intToDelta(byte[] t) convert byte array to delta time a delta time is expressed as a byte array, length unknown (4 or less)
static int	pow(int b, int e) compute b to the e power (b ** e)
static int	stringToInt(String s)

Methods inherited from class java.lang.Object

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

Field Detail

VERSION

public static final String VERSION

See Also:

Constant Field Values

Constructor Detail

Utils

public Utils()

Method Detail

hexToBa

public static byte[] hexToBa(String h,
                             int len)
                      throws ProcessingException

convert hex string to byte array

Throws:

ProcessingException

baToString

public static String baToString(byte[] b,
                                int strt,
                                int end)

convert byte array to string (not hex)

baToHex

public static String baToHex(byte[] b,
                             int strt,
                             int end)
                      throws ProcessingException

convert byte array to hex string

Throws:

ProcessingException

intToBa

public static byte[] intToBa(int n,
                             int c)
                      throws ProcessingException

convert int to byte array of length c

Throws:

ProcessingException

baToInt

public static int baToInt(byte[] b,
                          int strt,
                          int end)
                   throws ProcessingException

convert byte array to int

Throws:

ProcessingException

getUnsignedByte

public static int getUnsignedByte(byte b)

convert byte (unsigned) to int

deltaToInt

public static ByteLen deltaToInt(byte[] b,
                                 int offset)
                          throws ProcessingException

convert delta time to byte array a delta time is expressed as a byte array, length unknown (4 or less)

Throws:

ProcessingException

pow

public static int pow(int b,
                      int e)

compute b to the e power (b ** e)

getPW

public static int getPW(byte[] dta,
                        int offset)
                 throws ProcessingException

Throws:

ProcessingException

getNextHiOrd

public static int getNextHiOrd(byte[] dta,
                               int offset)
                        throws ProcessingException

Throws:

ProcessingException

intToDelta

public static byte[] intToDelta(byte[] t)
                         throws ProcessingException

convert byte array to delta time a delta time is expressed as a byte array, length unknown (4 or less)

Throws:

ProcessingException

stringToInt

public static int stringToInt(String s)