org.shetline.util
Class Util

java.lang.Object
  org.shetline.util.Util

public class Util
extends Object

Field Summary

static String	java_version
static String	java_vm_version
static String	os_name
static String	os_version
static int	RADIX_AUTOMATIC
static int	RADIX_AUTOMATIC_WITH_OCTAL
static int	RADIX_BINARY
static int	RADIX_DECIMAL
static int	RADIX_HEX
static int	RADIX_OCTAL

Method Summary

static void	adjustWindowToScreenBounds(Window window)
static void	close(Closeable stream)
static int	compare(Object obj1, Object obj2)
static int	compare(Object obj1, Object obj2, Comparator comparator)
static int	compareDottedValues(String a, String b)
static int	compareIPsAndDomains(String a, String b)
static int	compareJavaVersion(String version) Compares current Java version to a version string in the form X.Y.Z.
static int	compareJavaVMVersion(String version)
static int	compareOSVersion(String version)
static boolean	contains(int[] array, int n)
static boolean	contains(Object[] array, Object obj)
static boolean	containsFocus(Component c)
static void	copyToClipboard(String text)
static int	div(int x, int y)
static long	div(long x, long y)
static long	elapsedTimeMillis()
static long	elapsedTimeNanos()
static <T> T	elementAt(LinkedHashMap<?,T> map, int index)
static String	eol()
static boolean	equal(Object obj1, Object obj2)
static Method	extractMethod(Class aClass, String name, Class... paramTypes)
static <T,V> T	get(SwingWorker<T,V> worker)
static Applet	getApplet(Component c)
static String	getBundleSuffix(ResourceBundle bundle)
static org.shetline.util.Util.DottedComparator	getDottedComparator()
static String	getExceptionText(Throwable ex)
static Comparator	getGeneralComparator()
static <T> T	getIndexedItem(T[] items, int index)
static org.shetline.util.Util.IPAndDomainComparator	getIPAndDomainComparator()
static Locale	getLocale()
static ResourceBundle	getPrimaryBundle()
static ResourceProvider	getResourceProvider()
static String	getStackTraceAsString()
static String	getStackTraceAsString(Throwable t) Return stack trace of t as a String.
static String	getString(String key)
static Window	getTopLevelOwner(Component c)
static File	getUsersPreferencesDirectory()
static Window	getWindow(Component c)
static int	ifloor(double x)
static int	indexOf(int[] array, int n)
static int	indexOf(int[] array, int n, int startPos)
static int	indexOf(Object[] array, Object obj)
static int	indexOf(Object[] array, Object obj, int startPos)
static String	intern(String s)
static boolean	interrupt(Thread thread)
static void	invokeAfterDelay(long millis, Runnable task)
static void	invokeAfterDelay(long millis, String taskName, Runnable task)
static boolean	invokeAndWait(Runnable task)
static boolean	isACEProhibited(char ch)
static boolean	isASCIIDigit(char ch)
static boolean	isASCIILetter(char ch)
static boolean	isASCIILetterOrDigit(char ch)
static boolean	isASCIILowerCase(char ch)
static boolean	isASCIIUpperCase(char ch)
static boolean	isFontFamilyAvailable(String family)
static boolean	isInActiveWindow(Component c)
static boolean	isInOrOwnedByActiveWindow(Component c)
static boolean	isLinux()
static boolean	isMac()
static boolean	isNullOrEmpty(String s)
static boolean	isStringPrepProhibited(char ch)
static boolean	isWindows()
static boolean	join(Thread thread)
static boolean	join(Thread thread, long millis)
static <T> T	keyAt(LinkedHashMap<T,?> map, int index)
static int	lastIndexOf(int[] array, int n)
static int	lastIndexOf(int[] array, int n, int startPos)
static int	lastIndexOf(Object[] array, Object obj)
static int	lastIndexOf(Object[] array, Object obj, int startPos)
static String	makeEmptyNull(String s)
static String	makeNullEmpty(String s)
static int	mod(int x, int y)
static long	mod(long x, long y)
static String	readUncommentedLine(BufferedReader in)
static Object	resizeArray(Object a, int newSize)
static boolean[]	resizeBooleanArray(boolean[] a, int newSize)
static byte[]	resizeByteArray(byte[] a, int newSize)
static char[]	resizeCharArray(char[] a, int newSize)
static double[]	resizeDoubleArray(double[] a, int newSize)
static float[]	resizeFloatArray(float[] a, int newSize)
static int[]	resizeIntArray(int[] a, int newSize)
static long[]	resizeLongArray(long[] a, int newSize)
static short[]	resizeShortArray(short[] a, int newSize)
static void	setEnabled(boolean enabled, Component... comps)
static void	setLocale(Locale aLocale)
static boolean	sleep(long millis)
static boolean	to_boolean(Object obj)
static boolean	to_boolean(Object obj, boolean defaultValue)
static double	to_double(Object obj)
static double	to_double(Object obj, double errorVal)
static float	to_float(Object obj)
static float	to_float(Object obj, float errorVal)
static int	to_int(Object obj)
static int	to_int(Object obj, int errorVal)
static int	to_int(Object obj, int errorVal, int radix)
static long	to_long(Object obj)
static long	to_long(Object obj, long errorVal)
static long	to_long(Object obj, long errorVal, int radix)
static short	to_short(Object obj)
static short	to_short(Object obj, short errorVal)
static short	to_short(Object obj, short errorVal, int radix)
static String	toHexString(long n, int digits)
static String	toNonNullString(Object obj)
static String	toString(Object obj)
static boolean	wait(Object obj)
static boolean	wait(Object obj, long timeout)

Methods inherited from class java.lang.Object

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

Field Detail

os_name

public static final String os_name

os_version

public static final String os_version

java_version

public static final String java_version

java_vm_version

public static final String java_vm_version

RADIX_AUTOMATIC

public static final int RADIX_AUTOMATIC

See Also:

Constant Field Values

RADIX_AUTOMATIC_WITH_OCTAL

public static final int RADIX_AUTOMATIC_WITH_OCTAL

See Also:

Constant Field Values

RADIX_BINARY

public static final int RADIX_BINARY

See Also:

Constant Field Values

RADIX_OCTAL

public static final int RADIX_OCTAL

See Also:

Constant Field Values

RADIX_DECIMAL

public static final int RADIX_DECIMAL

See Also:

Constant Field Values

RADIX_HEX

public static final int RADIX_HEX

See Also:

Constant Field Values

Method Detail

equal

public static boolean equal(Object obj1,
                            Object obj2)

getGeneralComparator

public static Comparator getGeneralComparator()

compare

public static int compare(Object obj1,
                          Object obj2)

compare

public static int compare(Object obj1,
                          Object obj2,
                          Comparator comparator)

isNullOrEmpty

public static boolean isNullOrEmpty(String s)

makeNullEmpty

public static String makeNullEmpty(String s)

makeEmptyNull

public static String makeEmptyNull(String s)

to_short

public static short to_short(Object obj)

to_short

public static short to_short(Object obj,
                             short errorVal)

to_short

public static short to_short(Object obj,
                             short errorVal,
                             int radix)

to_int

public static int to_int(Object obj)

to_int

public static int to_int(Object obj,
                         int errorVal)

to_int

public static int to_int(Object obj,
                         int errorVal,
                         int radix)

to_long

public static long to_long(Object obj)

to_long

public static long to_long(Object obj,
                           long errorVal)

to_long

public static long to_long(Object obj,
                           long errorVal,
                           int radix)

to_float

public static float to_float(Object obj)

to_float

public static float to_float(Object obj,
                             float errorVal)

to_double

public static double to_double(Object obj)

to_double

public static double to_double(Object obj,
                               double errorVal)

to_boolean

public static boolean to_boolean(Object obj)

to_boolean

public static boolean to_boolean(Object obj,
                                 boolean defaultValue)

toString

public static String toString(Object obj)

intern

public static String intern(String s)

toNonNullString

public static String toNonNullString(Object obj)

resizeBooleanArray

public static boolean[] resizeBooleanArray(boolean[] a,
                                           int newSize)

resizeByteArray

public static byte[] resizeByteArray(byte[] a,
                                     int newSize)

resizeCharArray

public static char[] resizeCharArray(char[] a,
                                     int newSize)

resizeShortArray

public static short[] resizeShortArray(short[] a,
                                       int newSize)

resizeIntArray

public static int[] resizeIntArray(int[] a,
                                   int newSize)

resizeLongArray

public static long[] resizeLongArray(long[] a,
                                     int newSize)

resizeFloatArray

public static float[] resizeFloatArray(float[] a,
                                       int newSize)

resizeDoubleArray

public static double[] resizeDoubleArray(double[] a,
                                         int newSize)

resizeArray

public static Object resizeArray(Object a,
                                 int newSize)

toHexString

public static String toHexString(long n,
                                 int digits)

isASCIIDigit

public static boolean isASCIIDigit(char ch)

isASCIILetter

public static boolean isASCIILetter(char ch)

isASCIILetterOrDigit

public static boolean isASCIILetterOrDigit(char ch)

isASCIIUpperCase

public static boolean isASCIIUpperCase(char ch)

isASCIILowerCase

public static boolean isASCIILowerCase(char ch)

isStringPrepProhibited

public static boolean isStringPrepProhibited(char ch)

isACEProhibited

public static boolean isACEProhibited(char ch)

getDottedComparator

public static org.shetline.util.Util.DottedComparator getDottedComparator()

compareDottedValues

public static int compareDottedValues(String a,
                                      String b)

compareJavaVersion

public static int compareJavaVersion(String version)

Compares current Java version to a version string in the form X.Y.Z.

Parameters:

version - Version of Java to compare to, e.g. "1.4.2" or "1.6".

Returns:

-1 if the current Java version is earlier than the given version. 0 if the versions match 1 if the current Java version is later than the given version.

compareJavaVMVersion

public static int compareJavaVMVersion(String version)

compareOSVersion

public static int compareOSVersion(String version)

compareIPsAndDomains

public static int compareIPsAndDomains(String a,
                                       String b)

eol

public static String eol()

isMac

public static boolean isMac()

isWindows

public static boolean isWindows()

isLinux

public static boolean isLinux()

getBundleSuffix

public static String getBundleSuffix(ResourceBundle bundle)

sleep

public static boolean sleep(long millis)

interrupt

public static boolean interrupt(Thread thread)

join

public static boolean join(Thread thread)

join

public static boolean join(Thread thread,
                           long millis)

wait

public static boolean wait(Object obj)

wait

public static boolean wait(Object obj,
                           long timeout)

get

public static <T,V> T get(SwingWorker<T,V> worker)

getUsersPreferencesDirectory

public static File getUsersPreferencesDirectory()

invokeAfterDelay

public static void invokeAfterDelay(long millis,
                                    Runnable task)

invokeAfterDelay

public static void invokeAfterDelay(long millis,
                                    String taskName,
                                    Runnable task)

invokeAndWait

public static boolean invokeAndWait(Runnable task)

isFontFamilyAvailable

public static boolean isFontFamilyAvailable(String family)

getWindow

public static Window getWindow(Component c)

containsFocus

public static boolean containsFocus(Component c)

getTopLevelOwner

public static Window getTopLevelOwner(Component c)

isInActiveWindow

public static boolean isInActiveWindow(Component c)

isInOrOwnedByActiveWindow

public static boolean isInOrOwnedByActiveWindow(Component c)

getApplet

public static Applet getApplet(Component c)

copyToClipboard

public static void copyToClipboard(String text)

adjustWindowToScreenBounds

public static void adjustWindowToScreenBounds(Window window)

setEnabled

public static void setEnabled(boolean enabled,
                              Component... comps)

getIPAndDomainComparator

public static org.shetline.util.Util.IPAndDomainComparator getIPAndDomainComparator()

contains

public static boolean contains(int[] array,
                               int n)

indexOf

public static int indexOf(int[] array,
                          int n)

indexOf

public static int indexOf(int[] array,
                          int n,
                          int startPos)

lastIndexOf

public static int lastIndexOf(int[] array,
                              int n)

lastIndexOf

public static int lastIndexOf(int[] array,
                              int n,
                              int startPos)

contains

public static boolean contains(Object[] array,
                               Object obj)

indexOf

public static int indexOf(Object[] array,
                          Object obj)

indexOf

public static int indexOf(Object[] array,
                          Object obj,
                          int startPos)

lastIndexOf

public static int lastIndexOf(Object[] array,
                              Object obj)

lastIndexOf

public static int lastIndexOf(Object[] array,
                              Object obj,
                              int startPos)

readUncommentedLine

public static String readUncommentedLine(BufferedReader in)
                                  throws IOException

Throws:

IOException

close

public static void close(Closeable stream)

getIndexedItem

public static <T> T getIndexedItem(T[] items,
                                   int index)

elementAt

public static <T> T elementAt(LinkedHashMap<?,T> map,
                              int index)

keyAt

public static <T> T keyAt(LinkedHashMap<T,?> map,
                          int index)

getExceptionText

public static String getExceptionText(Throwable ex)

getStackTraceAsString

public static String getStackTraceAsString(Throwable t)

Return stack trace of t as a String.

Parameters:

t - An instance of Throwable.

Returns:

Stack trace of t as a String.

getStackTraceAsString

public static String getStackTraceAsString()

getLocale

public static Locale getLocale()

setLocale

public static void setLocale(Locale aLocale)

getResourceProvider

public static ResourceProvider getResourceProvider()

getPrimaryBundle

public static ResourceBundle getPrimaryBundle()

getString

public static String getString(String key)

elapsedTimeMillis

public static long elapsedTimeMillis()

elapsedTimeNanos

public static long elapsedTimeNanos()

extractMethod

public static Method extractMethod(Class aClass,
                                   String name,
                                   Class... paramTypes)
                            throws ClassNotFoundException,
                                   NoSuchMethodException

Throws:

ClassNotFoundException

NoSuchMethodException

div

public static int div(int x,
                      int y)

div

public static long div(long x,
                       long y)

ifloor

public static int ifloor(double x)

mod

public static int mod(int x,
                      int y)

mod

public static long mod(long x,
                       long y)