info.fingo.util
Class Text

java.lang.Object
  info.fingo.util.Text

public class Text
extends java.lang.Object

Provides text related helper functions.

Author:

FINGO - Robert Marek

Constructor Summary

Text()

Method Summary

static java.lang.String	cutString(java.lang.String stringToCut, int length) Cuts the given string to the given max length.
static java.lang.String	encodeHtml(java.lang.String text) Convert HTML special characters to escape sequences.
static boolean	isBoolean(java.lang.String string) Checks if the given string represents boolean value.
static boolean	isDate(java.lang.String string) Checks if the given string represents date.
static boolean	isIdentifier(java.lang.String string) Checks if the given string can be valid identifier.
static boolean	isNumber(java.lang.String string) Checks if the given string reresents integer.
static boolean	isRealNumber(java.lang.String string) Checks if the given string reresents double.
static java.lang.String	newlineToBr(java.lang.String text) Convert new line characters to HTML <br>.
static boolean	null2boolean(java.lang.String text) Get boolean parsed from string if parsing possible or false
static boolean	null2boolean(java.lang.String text, boolean defaultValue) Get boolean parsed from string if parsing possible or default value.
static int	null2int(java.lang.String intString) Get integer parsed from string if parsing possible or 0
static int	null2int(java.lang.String intString, int defaultValue) Get integer parsed from string if parsing possible or default value
static long	null2long(java.lang.String longString) Get long parsed from string if parsing possible or 0
static long	null2long(java.lang.String longString, long defaultValue) Get integer parsed from string if parsing possible or default value
static short	null2short(java.lang.String shortString) Get short parsed from string if parsing possible or 0
static short	null2short(java.lang.String shortString, short defaultValue) Get short parsed from string if parsing possible or default value
static java.lang.String	null2string(java.lang.String text) Get orginal string if not null or empty string
static java.lang.String	null2string(java.lang.String text, java.lang.String defaultValue) Get orginal string if not null or default value
static java.lang.String	replaceNonprintAscii(java.lang.String text) Convert some ASCII-8 control codes used by e.g.
static java.lang.String	substitute(java.lang.String text, java.lang.String oldToken, java.lang.String newToken) Replaces all occurences of one string in another
static java.lang.String	textToHtml(java.lang.String text) Convert text to display properly within HTML content.
static java.lang.String	textToHtml(java.lang.String text, boolean convertNL, boolean escapeHtml) Convert text to display properly within HTML content

Methods inherited from class java.lang.Object

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

Constructor Detail

Text

public Text()

Method Detail

substitute

public static java.lang.String substitute(java.lang.String text,
                                          java.lang.String oldToken,
                                          java.lang.String newToken)

Replaces all occurences of one string in another

Parameters:

text - source text

oldToken - substring to be replaced

newToken - new substring

Returns:

Text after replacement

replaceNonprintAscii

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

Convert some ASCII-8 control codes used by e.g. MS Office to similar ASCII-7 characters

Parameters:

text - string containing nonprintable characters

Returns:

Converted string

textToHtml

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

Convert text to display properly within HTML content. Convert HTML special characters to escpae sequences and new lines into <br>

Parameters:

text - orginal text

Returns:

Encoded HTML String

encodeHtml

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

Convert HTML special characters to escape sequences.

Parameters:

text - orginal text

Returns:

Encoded HTML String

newlineToBr

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

Convert new line characters to HTML <br>.

Parameters:

text - orginal text

Returns:

Converted string

textToHtml

public static java.lang.String textToHtml(java.lang.String text,
                                          boolean convertNL,
                                          boolean escapeHtml)

Convert text to display properly within HTML content

Parameters:

text - orginal text

convertNL - true if new line chracters should be replaced by "<br>"

escapeHtml - the flag determining HTML escaping

Returns:

Encoded HTML String

null2string

public static java.lang.String null2string(java.lang.String text,
                                           java.lang.String defaultValue)

Get orginal string if not null or default value

Parameters:

text - orginal string

defaultValue - string to return if text is null

Returns:

Not-null string

null2string

public static java.lang.String null2string(java.lang.String text)

Get orginal string if not null or empty string

Parameters:

text - orginal string

Returns:

Not-null string

null2int

public static int null2int(java.lang.String intString,
                           int defaultValue)

Get integer parsed from string if parsing possible or default value

Parameters:

intString - string to parse

defaultValue - string to return if text is null

Returns:

Parsed int or default value

null2int

public static int null2int(java.lang.String intString)

Get integer parsed from string if parsing possible or 0

Parameters:

intString - string to parse

Returns:

Parsed int or 0

null2boolean

public static boolean null2boolean(java.lang.String text)

Get boolean parsed from string if parsing possible or false

Parameters:

text - string to parse

Returns:

Boolean value of specified string

null2boolean

public static boolean null2boolean(java.lang.String text,
                                   boolean defaultValue)

Get boolean parsed from string if parsing possible or default value.

Parameters:

text - the string to parse

defaultValue - the default value

Returns:

Boolean value of specified string

null2long

public static long null2long(java.lang.String longString)

Get long parsed from string if parsing possible or 0

Parameters:

longString - string to parse

Returns:

Parsed long or 0

null2long

public static long null2long(java.lang.String longString,
                             long defaultValue)

Get integer parsed from string if parsing possible or default value

Parameters:

longString - string to parse

defaultValue - string to return if text is null

Returns:

Parsed long or default value

null2short

public static short null2short(java.lang.String shortString)

Get short parsed from string if parsing possible or 0

Parameters:

shortString - string to parse

Returns:

Parsed short or 0

null2short

public static short null2short(java.lang.String shortString,
                               short defaultValue)

Get short parsed from string if parsing possible or default value

Parameters:

shortString - string to parse

defaultValue - string to return if text is null

Returns:

Parsed short or default value

cutString

public static java.lang.String cutString(java.lang.String stringToCut,
                                         int length)

Cuts the given string to the given max length. If the given string length is above the given max it cuts it and appends ' ...' suffix to the result so the summary length is length.

Parameters:

stringToCut - the string to cut

length - the maximum length for the result

Returns:

The cut result

isNumber

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

Checks if the given string reresents integer.

Parameters:

string - the string to test

Returns:

true if the given string represents integer, false otherwise.

isRealNumber

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

Checks if the given string reresents double.

Parameters:

string - the string to test

Returns:

true if the given string represents double number, false otherwise.

isDate

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

Checks if the given string represents date.

Parameters:

string - The string

Returns:

true if the given string represents date, false otherwise.

isBoolean

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

Checks if the given string represents boolean value. Valid values are:

• 0
• 1
• true
• false
• t
• f
• yes
• no
• y
• n

Parameters:

string - The string

Returns:

true if the given string represents boolean, false otherwise.

isIdentifier

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

Checks if the given string can be valid identifier. If contains only ascii letters, digits and underline.

Parameters:

string - the string to test

Returns:

true if the value can be a valid identifier, false otherwise