Package cn.nukkit.utils

Class Utils

java.lang.Object

cn.nukkit.utils.Utils

public class Utils
extends Object

Author:

MagicDroidX (Nukkit Project)

Field Summary

Fields

Modifier and Type	Field	Description
static final int	ACCORDING_X_OBTAIN_Y
static final int	ACCORDING_Y_OBTAIN_X
static final Integer[]	EMPTY_INTEGERS
static final SplittableRandom	random

Constructor Summary

Constructors

Constructor	Description
Utils()

Method Summary

Modifier and Type	Method	Description
static double	calLinearFunction(Vector3 pos1, Vector3 pos2, double element, int type)
static <T> T[][]	clone2dArray(T[][] array)
static void	copyFile(File from, File to)
static UUID	dataToUUID(byte[]... params)
static UUID	dataToUUID(String... params)
static int	dynamic(int value)	A way to tell the java compiler to do not replace the users of a public static final int constant with the value defined in it, forcing the JVM to get the value directly from the class, preventing binary incompatible changes.
static <T> T	dynamic(T value)	A way to tell the java compiler to do not replace the users of a public static final constant with the value defined in it, forcing the JVM to get the value directly from the class, preventing binary incompatible changes.
static String	getAllThreadDumps()
static String	getExceptionMessage(Throwable e)
static Block[]	getLevelBlocks(Level level, AxisAlignedBB bb)
static <T, U, V> Map<U,V>	getOrCreate(Map<T,Map<U,V>> map, T key)
static <T, U, V extends U> U	getOrCreate(Map<T,U> map, Class<V> clazz, T key)
static boolean	hasCollisionBlocks(Level level, AxisAlignedBB bb)
static boolean	hasCollisionTickCachedBlocks(Level level, AxisAlignedBB bb)
static boolean	isByteArrayEmpty(byte[] array)
static boolean	isInteger(String str)
static byte[]	parseHexBinary(String s)
static boolean	rand()
static double	rand(double min, double max)
static int	rand(int min, int max)
static String	readFile(File file)
static String	readFile(InputStream inputStream)
static String	readFile(String filename)
static <T> void	reverseArray(T[] data)
static <T> T[]	reverseArray(T[] array, boolean copy)
static String	rtrim(String s, char character)
static void	safeWrite(File currentFile, Consumer<File> operation)
static Object[][]	splitArray(Object[] arrayToSplit, int chunkSize)
static long	toABGR(int argb)
static int	toInt(Object number)
static long	toRGB(byte r, byte g, byte b, byte a)
static void	writeFile(File file, InputStream content)
static void	writeFile(File file, String content)
static void	writeFile(String fileName, InputStream content)
static void	writeFile(String fileName, String content)
static void	zipFolder(Path sourceFolderPath, Path zipPath)

Methods inherited from class java.lang.Object

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

Field Details

EMPTY_INTEGERS

@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static final Integer[] EMPTY_INTEGERS

random

@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static final SplittableRandom random

ACCORDING_X_OBTAIN_Y

@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static final int ACCORDING_X_OBTAIN_Y

See Also:

• Constant Field Values

ACCORDING_Y_OBTAIN_X

@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static final int ACCORDING_Y_OBTAIN_X

See Also:

• Constant Field Values

Constructor Details

Utils

public Utils()

Method Details

safeWrite

@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static void safeWrite(File currentFile,
 Consumer<File> operation)
                      throws IOException

Throws:

IOException

writeFile

public static void writeFile(String fileName,
 String content)
                      throws IOException

Throws:

IOException

writeFile

public static void writeFile(String fileName,
 InputStream content)
                      throws IOException

Throws:

IOException

writeFile

public static void writeFile(File file,
 String content)
                      throws IOException

Throws:

IOException

writeFile

public static void writeFile(File file,
 InputStream content)
                      throws IOException

Throws:

IOException

readFile

public static String readFile(File file)
                       throws IOException

Throws:

IOException

readFile

public static String readFile(String filename)
                       throws IOException

Throws:

IOException

readFile

public static String readFile(InputStream inputStream)
                       throws IOException

Throws:

IOException

copyFile

public static void copyFile(File from,
 File to)
                     throws IOException

Throws:

IOException

getAllThreadDumps

public static String getAllThreadDumps()

getExceptionMessage

public static String getExceptionMessage(Throwable e)

dataToUUID

public static UUID dataToUUID(String... params)

dataToUUID

public static UUID dataToUUID(byte[]... params)

rtrim

public static String rtrim(String s,
 char character)

isByteArrayEmpty

public static boolean isByteArrayEmpty(byte[] array)

toRGB

public static long toRGB(byte r,
 byte g,
 byte b,
 byte a)

toABGR

public static long toABGR(int argb)

splitArray

public static Object[][] splitArray(Object[] arrayToSplit,
 int chunkSize)

reverseArray

public static <T> void reverseArray(T[] data)

reverseArray

public static <T> T[] reverseArray(T[] array,
 boolean copy)

clone2dArray

public static <T> T[][] clone2dArray(T[][] array)

getOrCreate

public static <T,
U,
V> Map<U,V> getOrCreate(Map<T,Map<U,V>> map,
 T key)

getOrCreate

public static <T,
U,
V extends U> U getOrCreate(Map<T,U> map,
 Class<V> clazz,
 T key)

toInt

public static int toInt(Object number)

parseHexBinary

public static byte[] parseHexBinary(String s)

rand

@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static int rand(int min,
 int max)

rand

@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static double rand(double min,
 double max)

rand

@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static boolean rand()

dynamic

@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static int dynamic(int value)

A way to tell the java compiler to do not replace the users of a public static final int constant with the value defined in it, forcing the JVM to get the value directly from the class, preventing binary incompatible changes.

Parameters:

value - The value to be assigned to the field.

Returns:

The same value that was passed as parameter

dynamic

@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static <T> T dynamic(T value)

A way to tell the java compiler to do not replace the users of a public static final constant with the value defined in it, forcing the JVM to get the value directly from the class, preventing binary incompatible changes.

Parameters:

value - The value to be assigned to the field.

Returns:

The same value that was passed as parameter

zipFolder

@PowerNukkitOnly
@Since("1.4.0.0-PN")
public static void zipFolder(Path sourceFolderPath,
 Path zipPath)
                      throws IOException

Throws:

IOException

isInteger

@PowerNukkitOnly
@Since("1.5.1.0-PN")
public static boolean isInteger(String str)

getLevelBlocks

@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static Block[] getLevelBlocks(Level level,
 AxisAlignedBB bb)

calLinearFunction

@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static double calLinearFunction(Vector3 pos1,
 Vector3 pos2,
 double element,
 int type)

hasCollisionBlocks

@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static boolean hasCollisionBlocks(Level level,
 AxisAlignedBB bb)

hasCollisionTickCachedBlocks

@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public static boolean hasCollisionTickCachedBlocks(Level level,
 AxisAlignedBB bb)