com.sshtools.common.util

Class Utils

java.lang.Object

com.sshtools.common.util.Utils

public class Utils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	after(java.lang.String value, char token)
static java.lang.String	before(java.lang.String value, char token)
static java.lang.String	bytesToHex(byte[] bytes)
static java.lang.String	bytesToHex(byte[] bytes, int bytesPerLine, boolean separateBytes, boolean showText)
static java.lang.String	bytesToHex(byte[] bytes, int off, int len)
static java.lang.String	bytesToHex(byte[] bytes, int off, int len, int bytesPerLine, boolean separateBytes, boolean showText)
static java.lang.String	csv(java.util.Collection<java.lang.String> elements)
static java.lang.String	csv(java.lang.String... elements)
static java.lang.String	defaultString(java.lang.String value, java.lang.String defaultValue)
static java.lang.String	exec(java.lang.String... cmd)
static java.lang.String	generateThreadDump(java.lang.Thread.State... states) From https://crunchify.com/how-to-generate-java-thread-dump-programmatically/
static int	getPort(java.lang.String hostname)
static byte[]	getUTF8Bytes(java.lang.String str)
static boolean	hasPort(java.lang.String hostname)
static byte[]	hexToBytes(java.lang.String s) Converts a hex string to bytes.
static boolean	isBlank(java.lang.String str)
static boolean	isNotBlank(java.lang.String str)
static java.lang.String	join(java.lang.String[] args, java.lang.String str)
static java.lang.String	mergeToArgsString(java.lang.String[] args)
static int	nearestMultipleOf(int length, int i)
static java.lang.String	prompt(java.io.BufferedReader reader, java.lang.String message)
static java.lang.String	prompt(java.io.BufferedReader reader, java.lang.String message, java.lang.String defaultValue)
static java.lang.String	randomAlphaNumericString(int length)
static java.lang.String	rightPad(java.lang.String rendered, int minWidth)
static java.lang.String[]	splitToArgsArray(java.lang.String args)
static byte[]	stripLeadingZeros(byte[] data)

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

before

public static java.lang.String before(java.lang.String value,
                                      char token)

after

public static java.lang.String after(java.lang.String value,
                                     char token)

bytesToHex

public static java.lang.String bytesToHex(byte[] bytes)

bytesToHex

public static java.lang.String bytesToHex(byte[] bytes,
                                          int off,
                                          int len)

bytesToHex

public static java.lang.String bytesToHex(byte[] bytes,
                                          int bytesPerLine,
                                          boolean separateBytes,
                                          boolean showText)

bytesToHex

public static java.lang.String bytesToHex(byte[] bytes,
                                          int off,
                                          int len,
                                          int bytesPerLine,
                                          boolean separateBytes,
                                          boolean showText)

stripLeadingZeros

public static byte[] stripLeadingZeros(byte[] data)

nearestMultipleOf

public static int nearestMultipleOf(int length,
                                    int i)

splitToArgsArray

public static java.lang.String[] splitToArgsArray(java.lang.String args)

generateThreadDump

public static java.lang.String generateThreadDump(java.lang.Thread.State... states)

From https://crunchify.com/how-to-generate-java-thread-dump-programmatically/

Returns:

isBlank

public static boolean isBlank(java.lang.String str)

isNotBlank

public static boolean isNotBlank(java.lang.String str)

mergeToArgsString

public static java.lang.String mergeToArgsString(java.lang.String[] args)

getUTF8Bytes

public static byte[] getUTF8Bytes(java.lang.String str)

join

public static java.lang.String join(java.lang.String[] args,
                                    java.lang.String str)

rightPad

public static java.lang.String rightPad(java.lang.String rendered,
                                        int minWidth)

defaultString

public static java.lang.String defaultString(java.lang.String value,
                                             java.lang.String defaultValue)

csv

public static java.lang.String csv(java.lang.String... elements)

csv

public static java.lang.String csv(java.util.Collection<java.lang.String> elements)

randomAlphaNumericString

public static java.lang.String randomAlphaNumericString(int length)

exec

public static java.lang.String exec(java.lang.String... cmd)
                             throws java.io.IOException,
                                    java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

prompt

public static java.lang.String prompt(java.io.BufferedReader reader,
                                      java.lang.String message)
                               throws java.io.IOException

Throws:

java.io.IOException

prompt

public static java.lang.String prompt(java.io.BufferedReader reader,
                                      java.lang.String message,
                                      java.lang.String defaultValue)
                               throws java.io.IOException

Throws:

java.io.IOException

hasPort

public static boolean hasPort(java.lang.String hostname)

getPort

public static int getPort(java.lang.String hostname)

hexToBytes

public static byte[] hexToBytes(java.lang.String s)

Converts a hex string to bytes.

Parameters:

s - the hex string to be converted.

Returns:

the byte[]