StringUtil (ConnId 1.4.5.1 API)

java.lang.Object
- org.identityconnectors.common.StringUtil

public final class StringUtil
extends Object

String Utilities.

Field Summary

Fields
Modifier and Type Field and Description

static String EMPTY
Empty "" string.

Fields
Modifier and Type	Field and Description
`static String`	`EMPTY` Empty `""` string.

Method Summary

Methods
Modifier and Type	Method and Description
`static boolean`	`endsWith(String str, char value)` Determines if the string parameter 'str' ends with the character value.
`static int`	`indexOf(String src, char[] ch)`
`static int`	`indexOf(String src, char[] ch, int idx)`
`static int`	`indexOfDigit(String str)` Finds the index of the first digit.
`static int`	`indexOfDigit(String str, int startidx)` Finds the index of the first digit and starts from the index specified.
`static int`	`indexOfIgnoreCase(String src, String cmp)` Finds the start index of the comparison string regards of case.
`static int`	`indexOfNonDigit(String str)` Finds the index of the first non digit.
`static int`	`indexOfNonDigit(String str, int startidx)` Finds the index of the first non digit and starts from the index specified.
`static boolean`	`isBlank(String val)` Checks if a String is whitespace, empty ("") or null.
`static boolean`	`isEmpty(String val)` Determines if a string is empty.
`static boolean`	`isNotBlank(String val)` Checks if a String is not empty (""), not null and not whitespace only.
`static boolean`	`isNotEmpty(String val)` Determines if a string is not empty.
`static boolean`	`isWhitespace(char ch)` Determine if this is a white space character.
`static String`	`join(Collection<String> collection, char separator)`
`static String`	`join(Object[] array, char separator)`
`static String`	`join(Object[] array, char separator, int startIndex, int endIndex)`
`static List<String>`	`parseLine(String line, char fsep, char tqul)` Parses a line into a List of strings.
`static String`	`randomString()` Create a random Unicode string.
`static String`	`randomString(Random r)` Create a random length Unicode string based on the `Random` object passed in.
`static String`	`randomString(Random r, int length)` Create a random string of fixed length based on the `Random` object passed in.
`static String`	`replaceVariable(String o, String var, String val)` Simple variable replacement internally using regular expressions.
`static String`	`stripNewlines(String src)` Removes newline characters (0x0a and 0x0d) from a string.
`static String`	`stripXmlAttribute(String src, String attrName)` Removes the attribute from the source string and returns.
`static String`	`stripXmlComments(String src)` Strip XML comments.
`static String`	`subDigitString(String str)` Return the string of digits from string.
`static String`	`subDigitString(String str, int idx)` Return the string of digits from string.
`static Properties`	`toProperties(String value)` Returns a properties object w/ the key/value pairs parsed from the string passed in.

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

- Field Detail
  - EMPTY
```
public static final String EMPTY
```
    Empty "" string.
    
    See Also:
    Constant Field Values
- Method Detail
  - indexOfDigit
```
public static int indexOfDigit(String str,
               int startidx)
```
    Finds the index of the first digit and starts from the index specified.
    
    Parameters:
    str - String to search for a digit.
    startidx - Starting index from which to search
    
    Returns:
    -1 if not found otherwise the index.
  - indexOfDigit
```
public static int indexOfDigit(String str)
```
    Finds the index of the first digit.
    
    Parameters:
    str - String to search for a digit.
    
    Returns:
    -1 if not found otherwise the index.
  - indexOfNonDigit
```
public static int indexOfNonDigit(String str,
                  int startidx)
```
    Finds the index of the first non digit and starts from the index specified.
    
    Parameters:
    str - String to search for a non digit.
    startidx - Starting index from which to search.
    
    Returns:
    -1 if not found otherwise the index.
  - indexOfNonDigit
```
public static int indexOfNonDigit(String str)
```
    Finds the index of the first non digit.
    
    Parameters:
    str - String to search for a non digit.
    
    Returns:
    -1 if not found otherwise the index.
  - subDigitString
```
public static String subDigitString(String str)
```
    Return the string of digits from string.
    
    Parameters:
    str - Source string to search.
  - subDigitString
```
public static String subDigitString(String str,
                    int idx)
```
    Return the string of digits from string.
    
    Parameters:
    str - Source string to search.
    idx - Start index from which to search.
  - stripXmlAttribute
```
public static String stripXmlAttribute(String src,
                       String attrName)
```
    Removes the attribute from the source string and returns.
  - stripNewlines
```
public static String stripNewlines(String src)
```
    Removes newline characters (0x0a and 0x0d) from a string.
  - indexOfIgnoreCase
```
public static int indexOfIgnoreCase(String src,
                    String cmp)
```
    Finds the start index of the comparison string regards of case.
    
    Parameters:
    src - String to search.
    cmp - Comparison string to find.
    
    Returns:
    -1 if not found otherwise the index of the starting character.
  - stripXmlComments
```
public static String stripXmlComments(String src)
```
    Strip XML comments.
  - indexOf
```
public static int indexOf(String src,
          char[] ch)
```
  - indexOf
```
public static int indexOf(String src,
          char[] ch,
          int idx)
```
  - isEmpty
```
public static boolean isEmpty(String val)
```
    Determines if a string is empty. Empty is defined as null or empty string.
```
  StringUtil.isEmpty(null)               = true
  StringUtil.isEmpty("")       = true
  StringUtil.isEmpty(" ")      = false
  StringUtil.isEmpty("bob")    = false
  StringUtil.isEmpty(" bob ")  = false
 
```
    Parameters:
    val - string to evaluate as empty.
    
    Returns:
    true if the string is empty else false.
  - isNotEmpty
```
public static boolean isNotEmpty(String val)
```
    Determines if a string is not empty. Its the exact opposite for isEmpty(String).
    
    Parameters:
    val - string to evaluate.
    
    Returns:
    true if the string is not empty
  - isBlank
```
public static boolean isBlank(String val)
```
    Checks if a String is whitespace, empty ("") or null.
```
      StringUtil.isBlank(null)                = true
      StringUtil.isBlank("")        = true
      StringUtil.isBlank(" ")       = true
      StringUtil.isBlank("bob")     = false
      StringUtil.isBlank("  bob  ") = false
 
```
    Parameters:
    val - the String to check, may be null
    
    Returns:
    true if the String is null, empty or whitespace
  - isNotBlank
```
public static boolean isNotBlank(String val)
```
    Checks if a String is not empty (""), not null and not whitespace only.
```
      StringUtil.isBlank(null)                = true
      StringUtil.isBlank("")        = true
      StringUtil.isBlank(" ")       = true
      StringUtil.isBlank("bob")     = false
      StringUtil.isBlank("  bob  ") = false
 
```
    Parameters:
    val - the String to check, may be null
    
    Returns:
    true if the String is not empty and not null and not whitespace
  - toProperties
```
public static Properties toProperties(String value)
```
    Returns a properties object w/ the key/value pairs parsed from the string passed in.
  - replaceVariable
```
public static String replaceVariable(String o,
                     String var,
                     String val)
```
    Simple variable replacement internally using regular expressions.
```
 String o = "Some string with a ${variable} in it.";
 String n = replaceVariable(o, "variable", "something");
 String r = "Some string with a something in it";
 assert r.equals(n);
 
```
    Parameters:
    o - Original string to do the replacement on.
    var - String representation of the variable to replace.
    val - Value to replace the variable with.
    
    Returns:
    String will all the variables replaced with the value.
    
    Throws:
    
    IllegalArgumentException - if o is null, var is blank, or val is null.
  - endsWith
```
public static boolean endsWith(String str,
               char value)
```
    Determines if the string parameter 'str' ends with the character value.
    
    Parameters:
    str - String to check for the character at the end.
    value - The character to look for at the end of the string.
    
    Returns:
    true if character parameter is found at the end of the string parameter otherwise false.
  - parseLine
```
public static List<String> parseLine(String line,
                     char fsep,
                     char tqul)
```
    Parses a line into a List of strings.
    
    Parameters:
    line - String to parse.
    fsep - field separator
    tqul - Text qualifier.
    
    Returns:
    list of string separated by a delimiter passed in by 'fsep' and text is qualified by the parameter 'tqul'.
  - isWhitespace
```
public static boolean isWhitespace(char ch)
```
    Determine if this is a white space character. Whitespace characters are defined as the character ' ' and the tab character.
  - randomString
```
public static String randomString()
```
    Create a random Unicode string.
  - randomString
```
public static String randomString(Random r)
```
    Create a random length Unicode string based on the Random object passed in.
  - randomString
```
public static String randomString(Random r,
                  int length)
```
    Create a random string of fixed length based on the Random object passed in. Insure that the string is built w/ Unicode characters.
    
    Parameters:
    r - used to get random unicode characters.
    length - fixed length of string.
    
    Returns:
    a randomly generated string based on the parameters.
  - join
```
public static String join(Collection<String> collection,
          char separator)
```
    Parameters:
    collection -
    separator -
    
    Returns:
    Since:
    
    1.3
  - join
```
public static String join(Object[] array,
          char separator)
```
    Parameters:
    array -
    separator -
    
    Returns:
    Since:
    
    1.3
  - join
```
public static String join(Object[] array,
          char separator,
          int startIndex,
          int endIndex)
```
    Parameters:
    array -
    separator -
    startIndex -
    endIndex -
    
    Returns:
    Since:
    
    1.3

Class StringUtil

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

EMPTY

Method Detail

indexOfDigit

indexOfDigit

indexOfNonDigit

indexOfNonDigit

subDigitString

subDigitString

stripXmlAttribute

stripNewlines

indexOfIgnoreCase

stripXmlComments

indexOf

indexOf

isEmpty

isNotEmpty

isBlank

isNotBlank

toProperties

replaceVariable

endsWith

parseLine

isWhitespace

randomString

randomString

randomString

join

join

join