com.atlassian.bamboo.util
Class BambooStringUtils

java.lang.Object
  com.atlassian.bamboo.util.BambooStringUtils

public class BambooStringUtils
extends java.lang.Object

Field Summary

static char	CHAR_APOSTROPHE
static char	CHAR_BACKSLASH
static char	CHAR_DOUBLE_QUOTE
static char	CHAR_ELLIPSIS
static char	CHAR_NONE
static char[]	XSS_RELATED_CHARACTERS
static java.lang.String	XSS_RELATED_CHARACTERS_FIND_STR

Method Summary

static boolean	containsDefinedXssRelatedCharacters(java.lang.String string, char[] characters)
static boolean	containsRelaxedXssRelatedCharacters(java.lang.String string)
static com.google.common.base.Predicate<java.lang.String>	containsString(java.lang.String string)
static boolean	containsXssRelatedCharacters(java.lang.String string) Returns true if the supplied string contains characters that could be used to deface a page or trigger an XSS exploit (characters: "&'<>\).
static java.lang.String	dos2unix(java.lang.String s) Changes Dos-style line endings to Unix style line endings
static java.lang.String	encodeHtmlWithTagWhiteList(java.lang.String string) Escapes string but preserves few defined tags.
static com.google.common.base.Function<java.lang.String,java.lang.String>	encodeHtmlWithTagWhiteListFunction()
static java.lang.String	forceAlphaNumeric(java.lang.String str)
static java.lang.String	forceValidHtmlId(java.lang.String id) According to the HTML standard, ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
static java.lang.String	getFirstDefinedXssRelatedCharacter(java.lang.String string, char[] characters)
static java.lang.String	getFirstRelaxedXssRelatedCharacter(java.lang.String string)
static java.lang.String	getFirstXssRelatedCharacter(java.lang.String string) Retrieves first unsafe character from supplied string
static boolean	in(java.lang.String needle, java.lang.String... haystacks)
static int	indexOf(java.lang.String haystack, java.lang.String needle, int n) Returns n-th occurence of string (index is 0-based)
static int	indexOfRegex(java.lang.String haystack, java.lang.String needle, int occurence) Returns n-th occurence of regex (index is 0-based)
static java.lang.Iterable<java.lang.String>	lineIterator(java.lang.String string)
static java.lang.String	remove(java.lang.String quotedVarValue, int index) Removes a character at specified index from string
static boolean	startsWithAny(java.lang.String string, java.util.Collection<java.lang.String> searchStrings)
static com.google.common.base.Function<java.lang.String,java.lang.String>	stripFullyEnclosingQuotes()
static java.lang.String	toCamelCase(java.lang.String string, char separator) Returns the string in camel case.
static java.lang.String	toCommandLineString(java.lang.Iterable<java.lang.String> commandArgs) Joins supplied argument into a valid command line, wrapping arguments in single quotes if needed.
static java.lang.String	truncateAndAddEllipsis(java.lang.String string, int maxLength) Truncates a string to specified length.
static java.lang.String	unquote(java.lang.String quotedVarValue, boolean processBackslashes) Removes quotes from variable using shell rules.

Methods inherited from class java.lang.Object

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

Field Detail

CHAR_NONE

public static final char CHAR_NONE

See Also:

Constant Field Values

CHAR_APOSTROPHE

public static final char CHAR_APOSTROPHE

See Also:

Constant Field Values

CHAR_BACKSLASH

public static final char CHAR_BACKSLASH

See Also:

Constant Field Values

CHAR_DOUBLE_QUOTE

public static final char CHAR_DOUBLE_QUOTE

See Also:

Constant Field Values

CHAR_ELLIPSIS

public static final char CHAR_ELLIPSIS

See Also:

Constant Field Values

XSS_RELATED_CHARACTERS

public static final char[] XSS_RELATED_CHARACTERS

XSS_RELATED_CHARACTERS_FIND_STR

public static final java.lang.String XSS_RELATED_CHARACTERS_FIND_STR

See Also:

Constant Field Values

Method Detail

forceAlphaNumeric

@NotNull
public static java.lang.String forceAlphaNumeric(@Nullable
                                                         java.lang.String str)

containsXssRelatedCharacters

public static boolean containsXssRelatedCharacters(@Nullable
                                                   java.lang.String string)

Returns true if the supplied string contains characters that could be used to deface a page or trigger an XSS exploit (characters: "&'<>\). Should be used in addition to normal escaping of output, not instead of it.

Parameters:

string - string to check

Returns:

true if string contains unsafe characters, false otherwise

getFirstXssRelatedCharacter

@NotNull
public static java.lang.String getFirstXssRelatedCharacter(@Nullable
                                                                   java.lang.String string)

Retrieves first unsafe character from supplied string

Parameters:

string - the string to check

Returns:

string with the first encountered unsafe character.

containsRelaxedXssRelatedCharacters

public static boolean containsRelaxedXssRelatedCharacters(@Nullable
                                                          java.lang.String string)

getFirstRelaxedXssRelatedCharacter

@NotNull
public static java.lang.String getFirstRelaxedXssRelatedCharacter(@Nullable
                                                                          java.lang.String string)

containsDefinedXssRelatedCharacters

public static boolean containsDefinedXssRelatedCharacters(@Nullable
                                                          java.lang.String string,
                                                          @NotNull
                                                          char[] characters)

getFirstDefinedXssRelatedCharacter

@NotNull
public static java.lang.String getFirstDefinedXssRelatedCharacter(@Nullable
                                                                          java.lang.String string,
                                                                          @NotNull
                                                                          char[] characters)

forceValidHtmlId

@NotNull
public static java.lang.String forceValidHtmlId(@NotNull
                                                        java.lang.String id)

According to the HTML standard, ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods ("."). This method replaces all invalid characters in the supplied id with an underscore. It does not enforce the "must begin with a letter" rule. There are two functions that do it, one in FreeMarker functions.ftl and one in BambooStringUtils. They MUST be kept in sync.

lineIterator

public static java.lang.Iterable<java.lang.String> lineIterator(java.lang.String string)

Returns:

an iterable that makes it possible to iterate over lines with Windows or Unix endings

containsString

public static com.google.common.base.Predicate<java.lang.String> containsString(@NotNull
                                                                                java.lang.String string)

indexOf

public static int indexOf(java.lang.String haystack,
                          java.lang.String needle,
                          int n)

Returns n-th occurence of string (index is 0-based)

Parameters:

haystack - search here

needle - search for

n - n-the cocurence to return

Returns:

-1 if not found, else the index

indexOfRegex

public static int indexOfRegex(java.lang.String haystack,
                               java.lang.String needle,
                               int occurence)

Returns n-th occurence of regex (index is 0-based)

Parameters:

haystack - search here

needle - search for

occurence - n-the occurence to return

Returns:

-1 if not found, else the index

startsWithAny

public static boolean startsWithAny(java.lang.String string,
                                    java.util.Collection<java.lang.String> searchStrings)

See Also:

StringUtils.startsWithAny(String, String[])

encodeHtmlWithTagWhiteList

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

Escapes string but preserves few defined tags. Allows some html formatting inside strings while preventing XSS. Allowed tags are: <br /> <i> <b> <p> <div> <a>. Properties are not allowed except 'href' in anchor tag.

Parameters:

string -

Returns:

html escaped string with white listed tags preserved

encodeHtmlWithTagWhiteListFunction

public static com.google.common.base.Function<java.lang.String,java.lang.String> encodeHtmlWithTagWhiteListFunction()

unquote

@NotNull
public static java.lang.String unquote(@NotNull
                                               java.lang.String quotedVarValue,
                                               boolean processBackslashes)

Removes quotes from variable using shell rules.

Parameters:

quotedVarValue -

processBackslashes - whether backslash should be treated as a special character or not

Returns:

in

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

remove

@NotNull
public static java.lang.String remove(@NotNull
                                              java.lang.String quotedVarValue,
                                              int index)

Removes a character at specified index from string

Parameters:

quotedVarValue -

index -

Returns:

truncateAndAddEllipsis

@Nullable
public static java.lang.String truncateAndAddEllipsis(@Nullable
                                                               java.lang.String string,
                                                               int maxLength)

Truncates a string to specified length. If truncation causes actual information loss an ellipsis is appended to the end of the string.

Parameters:

string - string

maxLength - maximum length of the string

Returns:

truncated string

stripFullyEnclosingQuotes

public static com.google.common.base.Function<java.lang.String,java.lang.String> stripFullyEnclosingQuotes()

dos2unix

@NotNull
public static java.lang.String dos2unix(@NotNull
                                                java.lang.String s)

Changes Dos-style line endings to Unix style line endings

toCamelCase

public static java.lang.String toCamelCase(@NotNull
                                           java.lang.String string,
                                           char separator)

Returns the string in camel case. Com.atlassian.bamboo.somePlugin becomes comAtlassianBambooSomePlugin

Parameters:

string -

separator -

Returns:

toCommandLineString

public static java.lang.String toCommandLineString(@NotNull
                                                   java.lang.Iterable<java.lang.String> commandArgs)

Joins supplied argument into a valid command line, wrapping arguments in single quotes if needed.