Package com.marcosavard.commons.util

Class StringUtil

java.lang.Object

com.marcosavard.commons.util.StringUtil

public class StringUtil
extends java.lang.Object

A utility class that provides useful methods that handle strings. It includes methods to predicate whether a string is null or empty, to pad strings with blanks, to remove quotes from strings, to strip accents from a string.

Author:

Marco

Method Summary

Modifier and Type	Method	Description
static java.lang.String	capitalize(java.lang.String original)	Capitalize the original string.
static java.lang.String	capitalizeWords(java.lang.String original)
static int	countOccurences(java.lang.String str, java.lang.String substring)
static java.lang.String	emptyIfNull(java.lang.String text)	Returns the same string, but empty is null.
static boolean	isNullOrBlank(java.lang.String text)	Tells if text is null or blank
static boolean	isNullOrEmpty(java.lang.String text)	Tells if text is null or empty
static boolean	isVoyel(char c)	Tells if c is a voyel
static java.lang.String	pad(java.lang.String source, int width)
static java.lang.String	padLeftBlanks(java.lang.String source, int n)	Pad n blanks at left
static boolean	startsWith(java.lang.String str, java.lang.String prefix)
static java.lang.String	stripAccents(java.lang.String text)	Strip off accents from characters
static java.lang.String	stripBlanks(java.lang.String text)	Return a string in which all the blanks (whitespaces and tabs) of the text parameter are stripped off.
static java.lang.String	stripNonDigit(java.lang.String text)	Strip off non digit characters
static java.lang.String	truncate(java.lang.String source, int lenght)	Truncate source at a given length
static java.lang.String	unquote(java.lang.String text, char quoteCharacter)	Returns the same String, but without the quotes.

Methods inherited from class java.lang.Object

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

Method Detail

capitalize

public static java.lang.String capitalize(java.lang.String original)

Capitalize the original string.

Parameters:

original -

Returns:

capitalizeWords

public static java.lang.String capitalizeWords(java.lang.String original)

countOccurences

public static int countOccurences(java.lang.String str,
                                  java.lang.String substring)

emptyIfNull

public static java.lang.String emptyIfNull(java.lang.String text)

Returns the same string, but empty is null.

Parameters:

text - to check

Returns:

text or "" is text is empty

isNullOrBlank

public static boolean isNullOrBlank(java.lang.String text)

Tells if text is null or blank

Parameters:

text -

Returns:

true if null or blank

isNullOrEmpty

public static boolean isNullOrEmpty(java.lang.String text)

Tells if text is null or empty

Parameters:

text -

Returns:

true if null or empty

isVoyel

public static boolean isVoyel(char c)

Tells if c is a voyel

Parameters:

c -

Returns:

true if voyel

padLeftBlanks

public static java.lang.String padLeftBlanks(java.lang.String source,
                                             int n)

Pad n blanks at left

Parameters:

source -

n - of blanks

Returns:

pad

public static java.lang.String pad(java.lang.String source,
                                   int width)

startsWith

public static boolean startsWith(java.lang.String str,
                                 java.lang.String prefix)

stripAccents

public static java.lang.String stripAccents(java.lang.String text)

Strip off accents from characters

Parameters:

text - with accents

Returns:

stripped text

stripBlanks

public static java.lang.String stripBlanks(java.lang.String text)

Return a string in which all the blanks (whitespaces and tabs) of the text parameter are stripped off. For instance, stripBlanks("hello world") returns "helloworld".

Parameters:

text - the original String, that may contain characters with blanks.

Returns:

the same String, but without blanks

stripNonDigit

public static java.lang.String stripNonDigit(java.lang.String text)

Strip off non digit characters

Parameters:

text -

Returns:

truncate

public static java.lang.String truncate(java.lang.String source,
                                        int lenght)

Truncate source at a given length

Parameters:

source -

lenght - to be truncate

Returns:

a string having at most 'lenght' characters

unquote

public static java.lang.String unquote(java.lang.String text,
                                       char quoteCharacter)

Returns the same String, but without the quotes. For instance, removeSurroundingQuotes("'text'", '\'') returns "text".

Parameters:

text - whose the first and last characters may be quote characters.

Returns:

the text without the quotes, if any