bt747.sys
Class JavaLibBridge

java.lang.Object
  bt747.sys.JavaLibBridge

public final class JavaLibBridge
extends java.lang.Object

This implements the Bridge for java functionality that is not the same across java platforms. For more information regarding a bridge, see "Design Patterns" theory.

Author:

Mario De Weerd, Florian Unger for indicated parts.

Constructor Summary

JavaLibBridge()

Method Summary

static double	acos(double x) Calculate inverse cosinus
static void	addThread(BT747Thread o, boolean highPrio) Add a thread to the thread list.
static double	atan(double x) Calculate inverse tangent
static double	atan2(double x, double y) Calculate inverse tangent
static void	debug(java.lang.String s)
static void	debug(java.lang.String s, java.lang.Throwable e)
static java.lang.String	getAppSettings()
static BT747Date	getDateInstance()
static BT747Date	getDateInstance(int d, int m, int y)
static BT747Date	getDateInstance(java.lang.String date, byte format)
static BT747File	getFileInstance(BT747Path path)
static BT747File	getFileInstance(BT747Path path, int mode)
static BT747HashSet	getHashSetInstance()
static BT747Hashtable	getHashtableInstance(int initialCapacity)
static BT747HttpSender	getHttpSenderInstance() Retrieve an platform specific instance of a class implementing the BT747HttpSender interface.
static BT747RAFile	getRAFileInstance(BT747Path path)
static BT747RAFile	getRAFileInstance(BT747Path path, int mode)
static BT747Semaphore	getSemaphoreInstance(int value)
static BT747StringTokenizer	getStringTokenizerInstance(java.lang.String a, char b)
static BT747Time	getTimeInstance()
static int	getTimeStamp()
static BT747Vector	getVectorInstance()
static boolean	isAvailable()
static double	longBitsToDouble(long l)
static double	pow(double x, double y) Calculate x^^y.
static void	removeThread(BT747Thread o) Remove a thread from the thread list.
static void	setAppSettings(java.lang.String appSettings)
static void	setJavaLibImplementation(JavaLibImplementation imp) Set the implementation.
static double	toDouble(java.lang.String s)
static float	toFloat(java.lang.String s)
static float	toFloatBitwise(int l)
static int	toInt(java.lang.String s)
static int	toIntBitwise(float f)
static java.lang.String	toString(boolean p)
static java.lang.String	toString(double p)
static java.lang.String	toString(double p, int i)
static java.lang.String	toString(float p)
static java.lang.String	toString(int p)
static java.lang.String[]	toStringArrayAndEmpty(BT747Vector vector)
static java.lang.String	unsigned2hex(int p, int i)

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaLibBridge

public JavaLibBridge()

Method Detail

setJavaLibImplementation

public static final void setJavaLibImplementation(JavaLibImplementation imp)

Set the implementation.
The implementation must be provided by the application.

Parameters:

imp - is the class.

getHashtableInstance

public static final BT747Hashtable getHashtableInstance(int initialCapacity)

getSemaphoreInstance

public static final BT747Semaphore getSemaphoreInstance(int value)

getTimeInstance

public static final BT747Time getTimeInstance()

getStringTokenizerInstance

public static final BT747StringTokenizer getStringTokenizerInstance(java.lang.String a,
                                                                    char b)

toStringArrayAndEmpty

public static final java.lang.String[] toStringArrayAndEmpty(BT747Vector vector)

getVectorInstance

public static final BT747Vector getVectorInstance()

getHashSetInstance

public static final BT747HashSet getHashSetInstance()

getDateInstance

public static final BT747Date getDateInstance()

getDateInstance

public static final BT747Date getDateInstance(int d,
                                              int m,
                                              int y)

getDateInstance

public static final BT747Date getDateInstance(java.lang.String date,
                                              byte format)

addThread

public static final void addThread(BT747Thread o,
                                   boolean highPrio)

Add a thread to the thread list.

Parameters:

o - The thread.

highPrio - True if high priority.

removeThread

public static final void removeThread(BT747Thread o)

Remove a thread from the thread list.

Parameters:

o - Thread to remove.

acos

public static final double acos(double x)

Calculate inverse cosinus

Parameters:

x - x.

Returns:

acos(x)

atan2

public static final double atan2(double x,
                                 double y)

Calculate inverse tangent

Parameters:

x - x.

Returns:

acos(x)

atan

public static final double atan(double x)

Calculate inverse tangent

Parameters:

x - x.

Returns:

acos(x)

pow

public static final double pow(double x,
                               double y)

Calculate x^^y. (x to the power of y)

Parameters:

x - x.

y - y.

Returns:

x^^y.

getTimeStamp

public static final int getTimeStamp()

debug

public static final void debug(java.lang.String s,
                               java.lang.Throwable e)

debug

public static final void debug(java.lang.String s)

getAppSettings

public static final java.lang.String getAppSettings()

Returns:

the appSettings

setAppSettings

public static final void setAppSettings(java.lang.String appSettings)

Parameters:

appSettings - the appSettings to set

getFileInstance

public static final BT747File getFileInstance(BT747Path path)

getFileInstance

public static final BT747File getFileInstance(BT747Path path,
                                              int mode)

getRAFileInstance

public static final BT747RAFile getRAFileInstance(BT747Path path)

getRAFileInstance

public static final BT747RAFile getRAFileInstance(BT747Path path,
                                                  int mode)

isAvailable

public static final boolean isAvailable()

longBitsToDouble

public static final double longBitsToDouble(long l)

toDouble

public static final double toDouble(java.lang.String s)

toFloat

public static final float toFloat(java.lang.String s)

toFloatBitwise

public static final float toFloatBitwise(int l)

toInt

public static final int toInt(java.lang.String s)

toIntBitwise

public static final int toIntBitwise(float f)

toString

public static final java.lang.String toString(boolean p)

toString

public static final java.lang.String toString(double p)

toString

public static final java.lang.String toString(double p,
                                              int i)

toString

public static final java.lang.String toString(float p)

toString

public static final java.lang.String toString(int p)

unsigned2hex

public static final java.lang.String unsigned2hex(int p,
                                                  int i)

getHttpSenderInstance

public static final BT747HttpSender getHttpSenderInstance()
                                                   throws BT747Exception

Retrieve an platform specific instance of a class implementing the BT747HttpSender interface.
author Florian Unger

Returns:

an instance of a class implementing BT747HttpSender

Throws:

BT747Exception