net.nemerosa.ontrack.common

Class Utils

java.lang.Object

net.nemerosa.ontrack.common.Utils

public final class Utils
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static java.util.List<java.lang.String>	asList(java.lang.String text) Splits a text in several lines.
static java.lang.String	run(java.io.File wd, java.lang.String cmd, java.lang.String... args) Runs a command in the wd directory and returns its output.
static boolean	safeRegexMatch(java.lang.String pattern, java.lang.String value) Exception safe regex match (to protect against malformed expressions)
static java.lang.String	toHexString(byte[] bytes) Writes some bytes in Hexadecimal format
static java.lang.String	toHexString(byte[] bytes, int start, int len) Writes some bytes in Hexadecimal format
static java.lang.String	toString(byte[] bytes) UTF-8 bytes as String

Methods inherited from class java.lang.Object

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

Method Detail

safeRegexMatch

public static boolean safeRegexMatch(java.lang.String pattern,
                                     java.lang.String value)

Exception safe regex match (to protect against malformed expressions)

asList

public static java.util.List<java.lang.String> asList(java.lang.String text)

Splits a text in several lines.

Parameters:

text - Text to split

Returns:

Lines. This can be empty but not null.

run

public static java.lang.String run(java.io.File wd,
                                   java.lang.String cmd,
                                   java.lang.String... args)

Runs a command in the wd directory and returns its output. In case of error (exit code different than 0), an exception is thrown.

Parameters:

wd - Directory where to execute the command

cmd - Command to execute

args - Command parameters

Returns:

Output of the command

toHexString

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

Writes some bytes in Hexadecimal format

Parameters:

bytes - Bytes to format

Returns:

Hex string

toHexString

public static java.lang.String toHexString(byte[] bytes,
                                           int start,
                                           int len)

Writes some bytes in Hexadecimal format

Parameters:

bytes - Bytes to format

start - Start position for the conversion

len - Number of bytes to convert

Returns:

Hex string

toString

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

UTF-8 bytes as String