org.jsoup.helper
Class StringUtil

java.lang.Object
  org.jsoup.helper.StringUtil

public final class StringUtil
extends java.lang.Object

A minimal String utility class. Designed for interal jsoup use only.

Constructor Summary

StringUtil()

Method Summary

static boolean	in(java.lang.String needle, java.lang.String... haystack)
static boolean	isBlank(java.lang.String string) Tests if a string is blank: null, emtpy, or only whitespace (" ", \r\n, \t, etc)
static boolean	isNumeric(java.lang.String string) Tests if a string is numeric, i.e.
static boolean	isWhitespace(int c) Tests if a code point is "whitespace" as defined in the HTML spec.
static java.lang.String	join(java.util.Collection strings, java.lang.String sep) Join a collection of strings by a seperator
static java.lang.String	join(java.util.Iterator strings, java.lang.String sep) Join a collection of strings by a seperator
static java.lang.String	normaliseWhitespace(java.lang.String string)
static java.lang.String	padding(int width) Returns space padding

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtil

public StringUtil()

Method Detail

join

public static java.lang.String join(java.util.Collection strings,
                                    java.lang.String sep)

Join a collection of strings by a seperator

Parameters:

strings - collection of string objects

sep - string to place between strings

Returns:

joined string

join

public static java.lang.String join(java.util.Iterator strings,
                                    java.lang.String sep)

Join a collection of strings by a seperator

Parameters:

strings - iterator of string objects

sep - string to place between strings

Returns:

joined string

padding

public static java.lang.String padding(int width)

Returns space padding

Parameters:

width - amount of padding desired

Returns:

string of spaces * width

isBlank

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

Tests if a string is blank: null, emtpy, or only whitespace (" ", \r\n, \t, etc)

Parameters:

string - string to test

Returns:

if string is blank

isNumeric

public static boolean isNumeric(java.lang.String string)

Tests if a string is numeric, i.e. contains only digit characters

Parameters:

string - string to test

Returns:

true if only digit chars, false if empty or null or contains non-digit chrs

isWhitespace

public static boolean isWhitespace(int c)

Tests if a code point is "whitespace" as defined in the HTML spec.

Parameters:

c - code point to test

Returns:

true if code point is whitespace, false otherwise

normaliseWhitespace

public static java.lang.String normaliseWhitespace(java.lang.String string)

in

public static boolean in(java.lang.String needle,
                         java.lang.String... haystack)