Core :: Utilities 12.0.6 · org.eclipse.jetty.util.StringUtil

Modifier and Type	Class and Description
pack-priv static enum	StringUtil.CsvSplitState

Modifier and Type	Field and Description
public static final String	CRLF
public static final String	DEFAULT_DELIMS
private static final char[]	LOWERCASES
private static final char[]	UPPERCASES

Access	Constructor and Description
private	StringUtil()

Method Summary

Modifier and Type	Method and Description
public static void	append(StringBuilder StringBuilder to append to buf, String String to append from s, int The offset of the substring offset, int The length of the substring length) Append substring to StringBuilder
public static void	append(StringBuilder the buffer to append to buf, byte the byte to append b, int the base of the hex output (almost always 16). base) append hex digit
public static void	append2digits(StringBuilder the buffer to append to buf, int the value to append i) Append 2 digits (zero padded) to the StringBuilder
public static String[]	Returns: An array of parsed values. arrayFromString(String The string to parse, expected to be enclosed as '[...]' s) Parse the string representation of a list using `csvSplit(List, String, int, int)`
public static boolean	Returns: true if the string ends with the substring, ignoring `StandardCharsets#US_ASCII` case differences. asciiEndsWithIgnoreCase(String The string to check string, String The sub string to look for as a suffix suffix) Check for a string suffix, ignoring `StandardCharsets#US_ASCII` case differences.
public static boolean	Returns: true if the strings are equal, ignoring `StandardCharsets#US_ASCII` case differences. asciiEqualsIgnoreCase(String The string to check string, String The other string to check other) Check for string equality, ignoring `StandardCharsets#US_ASCII` case differences.
public static boolean	Returns: true if the string ends with the substring, ignoring `StandardCharsets#US_ASCII` case differences. asciiStartsWithIgnoreCase(String The string to check string, String The sub string to look for as a prefix prefix) Check for a string prefix, ignoring `StandardCharsets#US_ASCII` case differences.
public static char	Returns: a lower case version of c asciiToLowerCase(char the char to convert c) fast lower case conversion.
public static byte	Returns: a lower case version of c asciiToLowerCase(byte the byte to convert c) fast lower case conversion.
public static String	Returns: a lower case version of s asciiToLowerCase(String the string to convert s) fast lower case conversion.
public static String	Returns: a lower case version of s asciiToUpperCase(String the string to convert s) fast upper case conversion.
public static String[]	Returns: An array of parsed values. csvSplit(String The string to parse s) Parse a CSV string using `csvSplit(List, String, int, int)`
public static String[]	Returns: An array of parsed values. csvSplit(String The string to parse s, int The offset into the string to start parsing off, int The len in characters to parse len) Parse a CSV string using `csvSplit(List, String, int, int)`
public static List<String>	Returns: list containing the parsed list values csvSplit(List<String> The Collection to split to (or null to get a new list) list, String The string to parse s, int The offset into the string to start parsing off, int The len in characters to parse len) Split a quoted comma separated string to a list Handle rfc4180-like CSV strings, with the exceptions: quoted values may contain double quotes escaped with back-slash Non-quoted values are trimmed of leading trailing white space trailing commas are ignored double commas result in a empty string value
public static boolean	Returns: true if the string ends with the substring, ignoring `StandardCharsets#US_ASCII` case differences. endsWithIgnoreCase(String The string to check string, String The sub string to look for as a suffix suffix) Deprecated Use `asciiEndsWithIgnoreCase(String, String)` Check for a string suffix, ignoring `StandardCharsets#US_ASCII` case differences.
public static boolean	equals(String s, char[] buf, int offset, int length)
public static byte[]	fromHexString(String s)
public static byte[]	getBytes(String s)
public static byte[]	getBytes(String s, String charset)
public static int	Returns: the length of the string. getLength(String the string. s) Get the length of a string where a null string is length 0.
public static byte[]	getUtf8Bytes(String s)
public static int	Returns: the index of the character in the input stream found. indexFrom(String the input string to search s, String the chars to look for chars) returns the next index of a character from the chars string
public static int	Returns: the index of first control character in string, -1 if no control characters encountered indexOfControlChars(String the string to test. str) Find the index of a control characters in String This will return a result on the first occurrence of a control character, regardless if there are more than one.
public static boolean	Returns: true if string is null or only whitespace characters, false if non-whitespace characters encountered. isBlank(String the string to test. str) Test if a string is null or only has whitespace characters in it.
public static boolean	Returns: true if string is null or empty. isEmpty(String the string to test. str) Checks if a String is empty ("") or null.
public static boolean	isHex(String str, int offset, int length)
public static boolean	Returns: true if string is not null and has at least 1 non-whitespace character, false if null or all-whitespace characters. isNotBlank(String the string to test. str) Test if a string is not null and contains at least 1 non-whitespace characters in it.
public static String	Returns: The string passed in or empty string if it is null. nonNull(String String s) Return a non null string.
public static String	printable(String name)
public static String	printable(byte[] b)
public static String	randomAlphaNumeric(int digits)
public static String	Returns: the now replaced string replace(String the input string str, char the char to look for find, char the char to replace with with) Replace chars within string.
public static String	Returns: the now replaced string replace(String the input string s, String the string to look for sub, String the string to replace with with) Replace substrings within string.
public static String	Returns: the replaced string replaceFirst(String the original string original, String the target string to look for target, String the replacement string to use replacement) Replace first substrings within string.
public static String	Returns: the sanitized output string. or null if `str` is null. sanitizeFileSystemName(String the raw input string str) Replace all characters from input string that are known to have special meaning in various filesystems.
public static String	sanitizeXmlString(String html)
public static boolean	Returns: true if the string ends with the substring, ignoring `StandardCharsets#US_ASCII` case differences. startsWithIgnoreCase(String The string to check string, String The sub string to look for as a prefix prefix) Deprecated Use `asciiEndsWithIgnoreCase(String, String)` Check for a string prefix, ignoring `StandardCharsets#US_ASCII` case differences.
public static String	strip(String str, String find)
public static String	toHexString(byte b)
public static String	toHexString(byte[] b)
public static String	toHexString(byte[] b, int offset, int length)
public static int	Returns: an int toInt(String A String containing an integer. string, int The index to start parsing from from) Convert String to an integer.
public static String	toString(byte[] b, int offset, int length, String charset) Deprecated for removal since 10. use `String#String(byte[], int, int, Charset)` instead
public static String	toUTF8String(byte[] b, int offset, int length)
public static String	Returns: the truncated string. if `str` param is null, then the returned string will also be null. truncate(String the string to possibly truncate str, int the maximum size of the string maxSize) Truncate a string to a max size.
public static String	Returns: String value or null valueOf(Object The object object) The String value of an Object This method calls `String#valueOf(Object)` unless the object is null, in which case null is returned

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

CRLF	back to summary
public static final String CRLF

DEFAULT_DELIMS	back to summary
public static final String DEFAULT_DELIMS

LOWERCASES	back to summary
private static final char[] LOWERCASES

UPPERCASES	back to summary
private static final char[] UPPERCASES

StringUtil	back to summary
private StringUtil()

Method Detail

append	back to summary
public static void append(StringBuilder buf, String s, int offset, int length) Append substring to StringBuilder Parameters buf:StringBuilder StringBuilder to append to s:String String to append from offset:int The offset of the substring length:int The length of the substring

append

back to summary

public static void append(StringBuilder buf, String s, int offset, int length)

Append substring to StringBuilder

Parameters

buf:StringBuilder: StringBuilder to append to
s:String: String to append from
offset:int: The offset of the substring
length:int: The length of the substring

append	back to summary
public static void append(StringBuilder buf, byte b, int base) append hex digit Parameters buf:StringBuilder the buffer to append to b:byte the byte to append base:int the base of the hex output (almost always 16).

append

back to summary

public static void append(StringBuilder buf, byte b, int base)

append hex digit

Parameters

buf:StringBuilder: the buffer to append to
b:byte: the byte to append
base:int: the base of the hex output (almost always 16).

append2digits	back to summary
public static void append2digits(StringBuilder buf, int i) Append 2 digits (zero padded) to the StringBuilder Parameters buf:StringBuilder the buffer to append to i:int the value to append

append2digits

back to summary

public static void append2digits(StringBuilder buf, int i)

Append 2 digits (zero padded) to the StringBuilder

Parameters

buf:StringBuilder: the buffer to append to
i:int: the value to append

arrayFromString back to summary

arrayFromString	back to summary
public static String[] arrayFromString(String s) Parse the string representation of a list using `csvSplit(List, String, int, int)` Parameters s:String The string to parse, expected to be enclosed as '[...]' Returns:String[] An array of parsed values.

public static String[] arrayFromString(String s)

Parse the string representation of a list using csvSplit(List, String, int, int)

Parameters

s:String: The string to parse, expected to be enclosed as '[...]'

Returns:String[]

An array of parsed values.

asciiEndsWithIgnoreCase back to summary

asciiEndsWithIgnoreCase	back to summary
public static boolean asciiEndsWithIgnoreCase(String string, String suffix) Check for a string suffix, ignoring `StandardCharsets#US_ASCII` case differences. Parameters string:String The string to check suffix:String The sub string to look for as a suffix Returns:boolean true if the string ends with the substring, ignoring `StandardCharsets#US_ASCII` case differences.

public static boolean asciiEndsWithIgnoreCase(String string, String suffix)

Check for a string suffix, ignoring StandardCharsets#US_ASCII case differences.

Parameters

string:String: The string to check
suffix:String: The sub string to look for as a suffix

Returns:boolean

true if the string ends with the substring, ignoring StandardCharsets#US_ASCII case differences.

asciiEqualsIgnoreCase back to summary

asciiEqualsIgnoreCase	back to summary
public static boolean asciiEqualsIgnoreCase(String string, String other) Check for string equality, ignoring `StandardCharsets#US_ASCII` case differences. Parameters string:String The string to check other:String The other string to check Returns:boolean true if the strings are equal, ignoring `StandardCharsets#US_ASCII` case differences.

public static boolean asciiEqualsIgnoreCase(String string, String other)

Check for string equality, ignoring StandardCharsets#US_ASCII case differences.

Parameters

string:String: The string to check
other:String: The other string to check

Returns:boolean

true if the strings are equal, ignoring StandardCharsets#US_ASCII case differences.

asciiStartsWithIgnoreCase back to summary

asciiStartsWithIgnoreCase	back to summary
public static boolean asciiStartsWithIgnoreCase(String string, String prefix) Check for a string prefix, ignoring `StandardCharsets#US_ASCII` case differences. Parameters string:String The string to check prefix:String The sub string to look for as a prefix Returns:boolean true if the string ends with the substring, ignoring `StandardCharsets#US_ASCII` case differences.

public static boolean asciiStartsWithIgnoreCase(String string, String prefix)

Check for a string prefix, ignoring StandardCharsets#US_ASCII case differences.

Parameters

string:String: The string to check
prefix:String: The sub string to look for as a prefix

Returns:boolean

true if the string ends with the substring, ignoring StandardCharsets#US_ASCII case differences.

asciiToLowerCase	back to summary
public static char asciiToLowerCase(char c) fast lower case conversion. Only works on ascii (not unicode) Parameters c:char the char to convert Returns:char a lower case version of c

asciiToLowerCase

back to summary

public static char asciiToLowerCase(char c)

fast lower case conversion. Only works on ascii (not unicode)

Parameters

c:char: the char to convert

Returns:char

a lower case version of c

asciiToLowerCase	back to summary
public static byte asciiToLowerCase(byte c) fast lower case conversion. Only works on ascii (not unicode) Parameters c:byte the byte to convert Returns:byte a lower case version of c

asciiToLowerCase

back to summary

public static byte asciiToLowerCase(byte c)

fast lower case conversion. Only works on ascii (not unicode)

Parameters

c:byte: the byte to convert

Returns:byte

a lower case version of c

asciiToLowerCase	back to summary
public static String asciiToLowerCase(String s) fast lower case conversion. Only works on ascii (not unicode) Parameters s:String the string to convert Returns:String a lower case version of s

asciiToLowerCase

back to summary

public static String asciiToLowerCase(String s)

fast lower case conversion. Only works on ascii (not unicode)

Parameters

s:String: the string to convert

Returns:String

a lower case version of s

asciiToUpperCase	back to summary
public static String asciiToUpperCase(String s) fast upper case conversion. Only works on ascii (not unicode) Parameters s:String the string to convert Returns:String a lower case version of s

asciiToUpperCase

back to summary

public static String asciiToUpperCase(String s)

fast upper case conversion. Only works on ascii (not unicode)

Parameters

s:String: the string to convert

Returns:String

a lower case version of s

csvSplit back to summary

csvSplit	back to summary
public static String[] csvSplit(String s) Parse a CSV string using `csvSplit(List, String, int, int)` Parameters s:String The string to parse Returns:String[] An array of parsed values.

public static String[] csvSplit(String s)

Parse a CSV string using csvSplit(List, String, int, int)

Parameters

s:String: The string to parse

Returns:String[]

An array of parsed values.

csvSplit back to summary

csvSplit	back to summary
public static String[] csvSplit(String s, int off, int len) Parse a CSV string using `csvSplit(List, String, int, int)` Parameters s:String The string to parse off:int The offset into the string to start parsing len:int The len in characters to parse Returns:String[] An array of parsed values.

public static String[] csvSplit(String s, int off, int len)

Parse a CSV string using csvSplit(List, String, int, int)

Parameters

s:String: The string to parse
off:int: The offset into the string to start parsing
len:int: The len in characters to parse

Returns:String[]

An array of parsed values.

csvSplit	back to summary
public static List<String> csvSplit(List<String> list, String s, int off, int len) Split a quoted comma separated string to a list Handle rfc4180-like CSV strings, with the exceptions: quoted values may contain double quotes escaped with back-slash Non-quoted values are trimmed of leading trailing white space trailing commas are ignored double commas result in a empty string value Parameters list:List<String> The Collection to split to (or null to get a new list) s:String The string to parse off:int The offset into the string to start parsing len:int The len in characters to parse Returns:List<String> list containing the parsed list values

csvSplit

back to summary

public static List<String> csvSplit(List<String> list, String s, int off, int len)

Split a quoted comma separated string to a list

Handle rfc4180-like CSV strings, with the exceptions:

quoted values may contain double quotes escaped with back-slash
Non-quoted values are trimmed of leading trailing white space
trailing commas are ignored
double commas result in a empty string value

Parameters

list:List<String>: The Collection to split to (or null to get a new list)
s:String: The string to parse
off:int: The offset into the string to start parsing
len:int: The len in characters to parse

Returns:List<String>

list containing the parsed list values

endsWithIgnoreCase back to summary

endsWithIgnoreCase	back to summary
public static boolean endsWithIgnoreCase(String string, String suffix) Deprecated Use `asciiEndsWithIgnoreCase(String, String)` Check for a string suffix, ignoring `StandardCharsets#US_ASCII` case differences. Parameters string:String The string to check suffix:String The sub string to look for as a suffix Returns:boolean true if the string ends with the substring, ignoring `StandardCharsets#US_ASCII` case differences. Annotations @Deprecated

public static boolean endsWithIgnoreCase(String string, String suffix)

Deprecated

Use asciiEndsWithIgnoreCase(String, String)

Check for a string suffix, ignoring StandardCharsets#US_ASCII case differences.

Parameters

string:String: The string to check
suffix:String: The sub string to look for as a suffix

Returns:boolean

true if the string ends with the substring, ignoring StandardCharsets#US_ASCII case differences.

Annotations

@Deprecated

equals	back to summary
public static boolean equals(String s, char[] buf, int offset, int length)

fromHexString	back to summary
public static byte[] fromHexString(String s)

getBytes	back to summary
public static byte[] getBytes(String s)

getBytes	back to summary
public static byte[] getBytes(String s, String charset)

getLength	back to summary
public static int getLength(String s) Get the length of a string where a null string is length 0. Parameters s:String the string. Returns:int the length of the string.

getLength

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public static int getLength(String s)

Get the length of a string where a null string is length 0.

Parameters

s:String: the string.

Returns:int

the length of the string.

getUtf8Bytes	back to summary
public static byte[] getUtf8Bytes(String s)

indexFrom	back to summary
public static int indexFrom(String s, String chars) returns the next index of a character from the chars string Parameters s:String the input string to search chars:String the chars to look for Returns:int the index of the character in the input stream found.

indexFrom

back to summary

public static int indexFrom(String s, String chars)

returns the next index of a character from the chars string

Parameters

s:String: the input string to search
chars:String: the chars to look for

Returns:int

the index of the character in the input stream found.

indexOfControlChars back to summary

indexOfControlChars	back to summary
public static int indexOfControlChars(String str) Find the index of a control characters in String This will return a result on the first occurrence of a control character, regardless if there are more than one. Note uses codepoint version of `Character#isISOControl(int)` to support Unicode better. indexOfControlChars(null) == -1 indexOfControlChars("") == -1 indexOfControlChars("\r\n") == 0 indexOfControlChars("\t") == 0 indexOfControlChars(" ") == -1 indexOfControlChars("a") == -1 indexOfControlChars(".") == -1 indexOfControlChars(";\n") == 1 indexOfControlChars("abc\f") == 3 indexOfControlChars("z\010") == 1 indexOfControlChars(": ") == 1 Parameters str:String the string to test. Returns:int the index of first control character in string, -1 if no control characters encountered

public static int indexOfControlChars(String str)

Find the index of a control characters in String

This will return a result on the first occurrence of a control character, regardless if there are more than one.

Note

uses codepoint version of Character#isISOControl(int) to support Unicode better.

	   indexOfControlChars(null)      == -1
	   indexOfControlChars("")        == -1
	   indexOfControlChars("\r\n")    == 0
	   indexOfControlChars("\t")      == 0
	   indexOfControlChars("   ")     == -1
	   indexOfControlChars("a")       == -1
	   indexOfControlChars(".")       == -1
	   indexOfControlChars(";\n")     == 1
	   indexOfControlChars("abc\f")   == 3
	   indexOfControlChars("z\010")   == 1
	   indexOfControlChars(":
") == 1

Parameters

str:String: the string to test.

Returns:int

the index of first control character in string, -1 if no control characters encountered

isBlank back to summary

isBlank	back to summary
public static boolean isBlank(String str) Test if a string is null or only has whitespace characters in it. Note uses codepoint version of `Character#isWhitespace(int)` to support Unicode better. isBlank(null) == true isBlank("") == true isBlank("\r\n") == true isBlank("\t") == true isBlank(" ") == true isBlank("a") == false isBlank(".") == false isBlank(";\n") == false Parameters str:String the string to test. Returns:boolean true if string is null or only whitespace characters, false if non-whitespace characters encountered.

public static boolean isBlank(String str)

Test if a string is null or only has whitespace characters in it.

Note

uses codepoint version of Character#isWhitespace(int) to support Unicode better.

  isBlank(null)   == true
  isBlank("")     == true
  isBlank("\r\n") == true
  isBlank("\t")   == true
  isBlank("   ")  == true
  isBlank("a")    == false
  isBlank(".")    == false
  isBlank(";\n")  == false

Parameters

str:String: the string to test.

Returns:boolean

true if string is null or only whitespace characters, false if non-whitespace characters encountered.

isEmpty	back to summary
public static boolean isEmpty(String str) Checks if a String is empty ("") or null. isEmpty(null) == true isEmpty("") == true isEmpty("\r\n") == false isEmpty("\t") == false isEmpty(" ") == false isEmpty("a") == false isEmpty(".") == false isEmpty(";\n") == false Parameters str:String the string to test. Returns:boolean true if string is null or empty.

isEmpty

back to summary

public static boolean isEmpty(String str)

Checks if a String is empty ("") or null.

  isEmpty(null)   == true
  isEmpty("")     == true
  isEmpty("\r\n") == false
  isEmpty("\t")   == false
  isEmpty("   ")  == false
  isEmpty("a")    == false
  isEmpty(".")    == false
  isEmpty(";\n")  == false

Parameters

str:String: the string to test.

Returns:boolean

true if string is null or empty.

isHex	back to summary
public static boolean isHex(String str, int offset, int length)

isNotBlank back to summary

isNotBlank	back to summary
public static boolean isNotBlank(String str) Test if a string is not null and contains at least 1 non-whitespace characters in it. Note uses codepoint version of `Character#isWhitespace(int)` to support Unicode better. isNotBlank(null) == false isNotBlank("") == false isNotBlank("\r\n") == false isNotBlank("\t") == false isNotBlank(" ") == false isNotBlank("a") == true isNotBlank(".") == true isNotBlank(";\n") == true Parameters str:String the string to test. Returns:boolean true if string is not null and has at least 1 non-whitespace character, false if null or all-whitespace characters.

public static boolean isNotBlank(String str)

Test if a string is not null and contains at least 1 non-whitespace characters in it.

Note

uses codepoint version of Character#isWhitespace(int) to support Unicode better.

  isNotBlank(null)   == false
  isNotBlank("")     == false
  isNotBlank("\r\n") == false
  isNotBlank("\t")   == false
  isNotBlank("   ")  == false
  isNotBlank("a")    == true
  isNotBlank(".")    == true
  isNotBlank(";\n")  == true

Parameters

str:String: the string to test.

Returns:boolean

true if string is not null and has at least 1 non-whitespace character, false if null or all-whitespace characters.

nonNull	back to summary
public static String nonNull(String s) Return a non null string. Parameters s:String String Returns:String The string passed in or empty string if it is null.

nonNull

back to summary

public static String nonNull(String s)

Return a non null string.

Parameters

s:String: String

Returns:String

The string passed in or empty string if it is null.

printable	back to summary
public static String printable(String name)

printable	back to summary
public static String printable(byte[] b)

randomAlphaNumeric	back to summary
public static String randomAlphaNumeric(int digits)

replace back to summary

replace	back to summary
public static String replace(String str, char find, char with) Replace chars within string. Fast replacement for `java.lang.String#String#replace(char, char)` Parameters str:String the input string find:char the char to look for with:char the char to replace with Returns:String the now replaced string

public static String replace(String str, char find, char with)

Replace chars within string.

Fast replacement for java.lang.String#String#replace(char, char)

Parameters

str:String: the input string
find:char: the char to look for
with:char: the char to replace with

Returns:String

the now replaced string

replace back to summary

replace	back to summary
public static String replace(String s, String sub, String with) Replace substrings within string. Fast replacement for `java.lang.String#String#replace(CharSequence, CharSequence)` Parameters s:String the input string sub:String the string to look for with:String the string to replace with Returns:String the now replaced string

public static String replace(String s, String sub, String with)

Replace substrings within string.

Fast replacement for java.lang.String#String#replace(CharSequence, CharSequence)

Parameters

s:String: the input string
sub:String: the string to look for
with:String: the string to replace with

Returns:String

the now replaced string

replaceFirst back to summary

replaceFirst	back to summary
public static String replaceFirst(String original, String target, String replacement) Replace first substrings within string. Fast replacement for `java.lang.String#String#replaceFirst(String, String)`, but without Regex support. Parameters original:String the original string target:String the target string to look for replacement:String the replacement string to use Returns:String the replaced string

public static String replaceFirst(String original, String target, String replacement)

Replace first substrings within string.

Fast replacement for java.lang.String#String#replaceFirst(String, String), but without Regex support.

Parameters

original:String: the original string
target:String: the target string to look for
replacement:String: the replacement string to use

Returns:String

the replaced string

sanitizeFileSystemName back to summary

sanitizeFileSystemName	back to summary
public static String sanitizeFileSystemName(String str) Replace all characters from input string that are known to have special meaning in various filesystems. This will replace all of the following characters with a "`_`" (underscore). Control Characters Anything not 7-bit printable ASCII Special characters: pipe, redirect, combine, slash, equivalence, bang, glob, selection, etc... Space Parameters str:String the raw input string Returns:String the sanitized output string. or null if `str` is null.

public static String sanitizeFileSystemName(String str)

Replace all characters from input string that are known to have special meaning in various filesystems.

This will replace all of the following characters with a "_" (underscore).

Control Characters
Anything not 7-bit printable ASCII
Special characters: pipe, redirect, combine, slash, equivalence, bang, glob, selection, etc...
Space

Parameters

str:String: the raw input string

Returns:String

the sanitized output string. or null if str is null.

sanitizeXmlString	back to summary
public static String sanitizeXmlString(String html)

startsWithIgnoreCase back to summary

startsWithIgnoreCase	back to summary
public static boolean startsWithIgnoreCase(String string, String prefix) Deprecated Use `asciiEndsWithIgnoreCase(String, String)` Check for a string prefix, ignoring `StandardCharsets#US_ASCII` case differences. Parameters string:String The string to check prefix:String The sub string to look for as a prefix Returns:boolean true if the string ends with the substring, ignoring `StandardCharsets#US_ASCII` case differences. Annotations @Deprecated

public static boolean startsWithIgnoreCase(String string, String prefix)

Deprecated

Use asciiEndsWithIgnoreCase(String, String)

Check for a string prefix, ignoring StandardCharsets#US_ASCII case differences.

Parameters

string:String: The string to check
prefix:String: The sub string to look for as a prefix

Returns:boolean

true if the string ends with the substring, ignoring StandardCharsets#US_ASCII case differences.

Annotations

@Deprecated

strip	back to summary
public static String strip(String str, String find)

toHexString	back to summary
public static String toHexString(byte b)

toHexString	back to summary
public static String toHexString(byte[] b)

toHexString	back to summary
public static String toHexString(byte[] b, int offset, int length)

toInt

back to summary

public static int toInt(String string, int from)

Convert String to an integer. Parses up to the first non-numeric character. If no number is found an IllegalArgumentException is thrown

Parameters

string:String: A String containing an integer.
from:int: The index to start parsing from

Returns:int

an int

toString	back to summary
public static String toString(byte[] b, int offset, int length, String charset) Deprecated for removal since 10. use `String#String(byte[], int, int, Charset)` instead Annotations @Deprecated since:10 forRemoval:true

toUTF8String	back to summary
public static String toUTF8String(byte[] b, int offset, int length)

truncate back to summary

public static String truncate(String str, int maxSize)

Truncate a string to a max size.

Parameters

str:String: the string to possibly truncate
maxSize:int: the maximum size of the string

Returns:String

the truncated string. if str param is null, then the returned string will also be null.

valueOf back to summary

public static String valueOf(Object object)

The String value of an Object

This method calls String#valueOf(Object) unless the object is null, in which case null is returned

Parameters

object:Object: The object

Returns:String

String value or null

Modifier and Type	Field and Description
public static final StringUtil.CsvSplitState	DATA
public static final StringUtil.CsvSplitState	POST_DATA
public static final StringUtil.CsvSplitState	PRE_DATA
public static final StringUtil.CsvSplitState	QUOTE
public static final StringUtil.CsvSplitState	SLOSH
public static final StringUtil.CsvSplitState	WHITE

Modifier and Type	Method and Description
public static StringUtil.CsvSplitState	valueOf(String name)
public static StringUtil.CsvSplitState[]	values()

public Class StringUtil

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pack-priv final Enum StringUtil.CsvSplitState

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