StringExtensions (jcommons-lang 4.13.0 API)

java.lang.Object
- de.alpharogroup.string.StringExtensions

public class StringExtensions
extends Object

Constructor Summary

Constructors
Constructor and Description

StringExtensions()

Constructors
Constructor and Description
`StringExtensions()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static String`	`addDoubleQuotationMarks(String s)` Puts to the given String at the start and end quotes.
`static String`	`addSingleQuotationMarks(String s)` Puts to the given String at the start and end quotes.
`static byte[]`	`convertToBytearray(char[] source)` Converts the given chararray to a bytearray.
`static char[]`	`convertToCharArray(byte[] source)` Convert the given byte array to char array.
`static Character`	`convertUnicodeStringToCharacter(String theUnicodeString)` Converts the given unicode String object to character object.
`static byte[]`	`decodeHex(char[] data)` Decode hex.
`static char[]`	`encodeHex(byte[] data)` Encode hex.
`static String`	`firstCharacterToLowerCase(String fieldName)` Sets the first character from the given string to lower case and returns it.
`static String`	`firstCharacterToUpperCase(String fieldName)` Sets the first character from the given string to upper case and returns it.
`static String`	`getAttributName(String name)` Gets the Attribut-name without brackets.
`static String`	`getIndex(String name)` Gets the first index from the brackets.
`static String`	`getItemNumber(String name)` Gets the ItemNumber from the String name.
`static String`	`getStringAfterUnderscore(String element)` The Method getStringAfterUnderscore(String) gets the substring after the first underscore.
`static String`	`getStringBeforeUnderscore(String element)` The Method getStringBeforeUnderscore(String) gets the substring before the first underscore.
`static String`	`getValue(Map<String,String> data, String key, String defaultValue)` Gets the value from the given map and if it does not exist or is empty the given default value will be returned.
`static boolean`	`isNullOrEmpty(String str)` The method isNullOrEmpty(String) checks if the given String is empty or null.
`static boolean`	`isNumber(String testString)` Checks if the given String is an Number.
`static String`	`lastCharacter(String str)` Gets the last character of the given String object.
`static String`	`readLine(String stringWithCarriageReturns)` Reads the given String till it finds a carriage return and returns it.
`static String[]`	`removeEmptyString(String[] words)` Removes empty Strings from the given string array and gives it back.
`static String`	`removeNewlineCharacters(String subject)` Removes the newline characters from the given String.
`static String`	`removeQuotationMarks(String s)` Removes from the given String at the start and end quotes.
`static String`	`replaceAll(String original, String[] findString, String replaceWith)` Replaces all occurrences of a String within another String.
`static String`	`replaceAll(String original, String findString, String replaceWith)` Replaces all occurrences of a String within another String.
`static String`	`replaceEach(String input, String searchRegexPattern, String replace)` Replace each occurences from the search pattern(regex) with the given replace String of the given input String.
`static String`	`replaceLast(String original, String findString, String replacement)` Replaces the last occurrence of a String within another String.
`static String`	`toUnicode(String toUnicode, boolean toLowerCase)` Converts all characters from the given String to unicodes characters encoded like \uxxxx.
`static String`	`toUnicodeChars(String s, boolean toLowerCase)` Converts all characters from the given String to unicodes characters encoded like \uxxxx.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - StringExtensions
```
public StringExtensions()
```
- Method Detail
  - addDoubleQuotationMarks
```
public static final String addDoubleQuotationMarks(String s)
```
    Puts to the given String at the start and end quotes.
    
    Parameters:
    
    s - The String to handle.
    
    Returns:
    
    The String with quotes.
  - addSingleQuotationMarks
```
public static final String addSingleQuotationMarks(String s)
```
    Puts to the given String at the start and end quotes.
    
    Parameters:
    
    s - The String to handle.
    
    Returns:
    
    The String with quotes.
  - firstCharacterToLowerCase
```
public static final String firstCharacterToLowerCase(String fieldName)
```
    Sets the first character from the given string to lower case and returns it. Example:
    Given fieldName: UserName
    Result: userName
    
    Parameters:
    
    fieldName - The String to modify.
    
    Returns:
    
    The modified string.
  - firstCharacterToUpperCase
```
public static final String firstCharacterToUpperCase(String fieldName)
```
    Sets the first character from the given string to upper case and returns it. Example:
    Given fieldName: userName
    Result: UserName
    
    Parameters:
    
    fieldName - The String to modify.
    
    Returns:
    
    The modified string.
  - isNullOrEmpty
```
public static final boolean isNullOrEmpty(String str)
```
    The method isNullOrEmpty(String) checks if the given String is empty or null.
    
    Parameters:
    
    str - The String to check.
    
    Returns:
    
    true if the given String is empty or null otherwise false.
  - isNumber
```
public static final boolean isNumber(String testString)
```
    Checks if the given String is an Number.
    
    Parameters:
    
    testString - The String to check.
    
    Returns:
    
    true if the given String is a number otherwise false.
  - lastCharacter
```
public static String lastCharacter(String str)
```
    Gets the last character of the given String object.
    
    Parameters:
    
    str - the str
    
    Returns:
    
    the last character
  - removeQuotationMarks
```
public static final String removeQuotationMarks(String s)
```
    Removes from the given String at the start and end quotes.
    
    Parameters:
    
    s - The String to handle.
    
    Returns:
    
    The String without quotes.
  - replaceLast
```
public static final String replaceLast(String original,
                                       String findString,
                                       String replacement)
```
    Replaces the last occurrence of a String within another String.
    
    Parameters:
    
    original - The String to search.
    
    findString - The search pattern.
    
    replacement - Replace with that String.
    
    Returns:
    
    Returns a new String with the replaced Strings.
  - toUnicode
```
public static String toUnicode(String toUnicode,
                               boolean toLowerCase)
```
    Converts all characters from the given String to unicodes characters encoded like \uxxxx.
    
    Parameters:
    
    toUnicode - The String to convert.
    
    toLowerCase - If true the letters from the unicode characters are lower case.
    
    Returns:
    
    The converted String.
  - toUnicodeChars
```
public static String toUnicodeChars(String s,
                                    boolean toLowerCase)
```
    Converts all characters from the given String to unicodes characters encoded like \uxxxx.
    
    Parameters:
    
    s - The String to convert.
    
    toLowerCase - If true the letters from the unicode characters are lower case.
    
    Returns:
    
    The converted String.
  - convertToBytearray
```
public static final byte[] convertToBytearray(char[] source)
```
    Converts the given chararray to a bytearray.
    
    Parameters:
    
    source - the source.
    
    Returns:
    
    the byte[]
  - convertToCharArray
```
public static char[] convertToCharArray(byte[] source)
```
    Convert the given byte array to char array.
    
    Parameters:
    
    source - the source.
    
    Returns:
    
    the char[]
  - convertUnicodeStringToCharacter
```
public static Character convertUnicodeStringToCharacter(String theUnicodeString)
```
    Converts the given unicode String object to character object.
    Example: the given unicode String object is "\u03A9"
    the return character object would be "Ω".
    
    Parameters:
    
    theUnicodeString - the the unicode string
    
    Returns:
    
    the converted character object.
  - decodeHex
```
public static byte[] decodeHex(char[] data)
                        throws org.apache.commons.codec.DecoderException
```
    Decode hex.
    
    Parameters:
    
    data - the data
    
    Returns:
    
    the byte[]
    
    Throws:
    
    org.apache.commons.codec.DecoderException - the decoder exception
  - encodeHex
```
public static char[] encodeHex(byte[] data)
```
    Encode hex.
    
    Parameters:
    
    data - the data
    
    Returns:
    
    the char[]
  - getAttributName
```
public static final String getAttributName(String name)
```
    Gets the Attribut-name without brackets. For example: If "indio[5][1]" is the given String than the name is "indio" and the first index is "5" and the second is "1". Than the Method returns "indio".
    
    Parameters:
    
    name - The name with brackets.
    
    Returns:
    
    The name without brackets.
  - getIndex
```
public static final String getIndex(String name)
```
    Gets the first index from the brackets. For example: If "indio[5][1]" is the given String than the name is "indio" and the first index is "5" and the second is "1". Than the Method returns "5".
    
    Parameters:
    
    name - The name from the Attribute
    
    Returns:
    
    the index from the Attribute
  - getItemNumber
```
public static final String getItemNumber(String name)
```
    Gets the ItemNumber from the String name. For example: If "indio[5][1]" is the given String than the name is "indio" and the first index is "5" and the second is "1". Than the Method returns "1".
    
    Parameters:
    
    name - the name
    
    Returns:
    
    the ItemNumber
  - getStringAfterUnderscore
```
public static final String getStringAfterUnderscore(String element)
```
    The Method getStringAfterUnderscore(String) gets the substring after the first underscore. For example:Assume that element=foobar_value then the result string is "value".
    
    Parameters:
    
    element - The element to get the substing.
    
    Returns:
    
    The result String.
  - getStringBeforeUnderscore
```
public static final String getStringBeforeUnderscore(String element)
```
    The Method getStringBeforeUnderscore(String) gets the substring before the first underscore. For example:Assume that element=foobar_value then the result string is "foobar".
    
    Parameters:
    
    element - The element to get the substing.
    
    Returns:
    
    The result String.
  - getValue
```
public static String getValue(Map<String,String> data,
                              String key,
                              String defaultValue)
```
    Gets the value from the given map and if it does not exist or is empty the given default value will be returned.
    
    Parameters:
    
    data - the data
    
    key - the key
    
    defaultValue - the default value
    
    Returns:
    
    the value
  - readLine
```
public static final String readLine(String stringWithCarriageReturns)
```
    Reads the given String till it finds a carriage return and returns it.
    
    Parameters:
    
    stringWithCarriageReturns - The String.
    
    Returns:
    
    Return the String till the carriage return.
  - removeEmptyString
```
public static String[] removeEmptyString(String[] words)
```
    Removes empty Strings from the given string array and gives it back. For instance if you use the String.split("\\W") method you get all the words from the given String as an string array. But this array contains empty Strings too. This method removes this empty strings from that array.
    
    Parameters:
    
    words - The string array to remove empty strings.
    
    Returns:
    
    An string array without empty Strings.
  - removeNewlineCharacters
```
public static String removeNewlineCharacters(String subject)
```
    Removes the newline characters from the given String.
    
    Parameters:
    
    subject - the subject
    
    Returns:
    
    the string
  - replaceAll
```
public static final String replaceAll(String original,
                                      String findString,
                                      String replaceWith)
```
    Replaces all occurrences of a String within another String.
    
    Parameters:
    
    original - The String to search.
    
    findString - The search pattern.
    
    replaceWith - Replace with that String.
    
    Returns:
    
    Returns a new String with the replaced Strings.
  - replaceAll
```
public static final String replaceAll(String original,
                                      String[] findString,
                                      String replaceWith)
```
    Replaces all occurrences of a String within another String.
    
    Parameters:
    
    original - The String to search.
    
    findString - An array with search patterns.
    
    replaceWith - Replace with that String.
    
    Returns:
    
    Returns a new String with the replaced Strings.
  - replaceEach
```
public static String replaceEach(String input,
                                 String searchRegexPattern,
                                 String replace)
```
    Replace each occurences from the search pattern(regex) with the given replace String of the given input String.
    
    Parameters:
    
    input - the input String that will be changed.
    
    searchRegexPattern - the search regex pattern
    
    replace - the String to replace with.
    
    Returns:
    
    the resulted string

Class StringExtensions

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

StringExtensions

Method Detail

addDoubleQuotationMarks

addSingleQuotationMarks

firstCharacterToLowerCase

firstCharacterToUpperCase

isNullOrEmpty

isNumber

lastCharacter

removeQuotationMarks

replaceLast

toUnicode

toUnicodeChars

convertToBytearray

convertToCharArray

convertUnicodeStringToCharacter

decodeHex

encodeHex

getAttributName

getIndex

getItemNumber

getStringAfterUnderscore

getStringBeforeUnderscore

getValue

readLine

removeEmptyString

removeNewlineCharacters

replaceAll

replaceAll

replaceEach