StringUtils (jipipe 1.76.1-SNAPSHOT API)

java.lang.Object
- org.hkijena.jipipe.utils.StringUtils

```
public class StringUtils
extends Object
```
Utilities for strings

Field Summary

Fields
Modifier and Type Field and Description

static char[] INVALID_FILESYSTEM_CHARACTERS

static char[] INVALID_JSONIFY_CHARACTERS

Fields
Modifier and Type	Field and Description
`static char[]`	`INVALID_FILESYSTEM_CHARACTERS`
`static char[]`	`INVALID_JSONIFY_CHARACTERS`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static int`	`compareVersions(String version1, String version2)` Compares two version strings.
`static String`	`convertGlobToRegex(String pattern)` Converts a standard POSIX Shell globbing pattern into a regular expression pattern.
`static String`	`createIconTextHTMLTable(String text, URL iconURL)` Creates an HTML table with an icon and text.
`static String`	`createIconTextHTMLTableElement(String text, URL iconURL)` Creates an HTML table with an icon and text.
`static String`	`createRightIconTextHTMLTable(String text, URL iconURL)` Same as createIconTextHTMLTable but the icon is on the right side
`static String`	`createRightIconTextHTMLTableElement(String text, URL iconURL)` Same as createIconTextHTMLTableElement but the icon is on the right side
`static String`	`formatDateTime(LocalDateTime dateTime)` A nice human-readable format
`static String`	`formatDuration(long durationMilliseconds)` Formats a duration in milliseconds to something readable
`static String`	`getCleanedMenuPath(String menuPath)` Cleans a menu path string
`static boolean`	`isFilesystemCompatible(String string)` Returns if the string does not contain invalid characters.
`static boolean`	`isNullOrEmpty(Object string)` Returns true if the string is null or empty
`static String`	`jsonify(String input)` Removes all spaces, and filesystem-unsafe characters from the string and replaces them with dashes Duplicate dashes are removed
`static String`	`makeFilesystemCompatible(String input)` Replaces all characters invalid for filesystems with spaces Assumes that the string is a filename, so path operators are not allowed.
`static String`	`makeUniqueString(String input, String spaceCharacter, Collection<String> existing)` Makes an unique string by adding a counting variable to its end if it already exists
`static String`	`makeUniqueString(String input, String spaceCharacter, Predicate<String> existing)` Makes an unique string by adding a counting variable to its end if it already exists
`static String`	`nullTerminate(String input)` Applies a \0 termination to a string.
`static String`	`nullToEmpty(Object s)` Returns an empty string if s is null otherwise returns s
`static String`	`orElse(Object string, String ifNullOrEmpty)` Returns the string if its not null or empty or the alternative
`static double`	`parseDouble(String str)`
`static float`	`parseFloat(String str)`
`static String`	`removeDuplicateDelimiters(String string, String delimiter)`
`static String`	`removeHTMLRoot(String html)` Removes the HTML root from HTML
`static String`	`safeJsonify(String input)` Removes all spaces, and filesystem-unsafe characters from the string and replaces them with dashes Duplicate dashes are removed
`static String`	`wordWrappedHTML(String text, int wrapColumn)` Create word wrapping in HTML.
`static String`	`wordWrappedHTMLElement(String text, int wrapColumn)` Create word wrapping in HTML.

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

- Field Detail
  - INVALID_FILESYSTEM_CHARACTERS
```
public static final char[] INVALID_FILESYSTEM_CHARACTERS
```
  - INVALID_JSONIFY_CHARACTERS
```
public static final char[] INVALID_JSONIFY_CHARACTERS
```
- Method Detail
  - removeDuplicateDelimiters
```
public static String removeDuplicateDelimiters(String string,
                                               String delimiter)
```
  - formatDuration
```
public static String formatDuration(long durationMilliseconds)
```
    Formats a duration in milliseconds to something readable
    
    Parameters:
    
    durationMilliseconds - the duration
    
    Returns:
    
    formatted string
  - formatDateTime
```
public static String formatDateTime(LocalDateTime dateTime)
```
    A nice human-readable format
    
    Parameters:
    
    dateTime - the time point
    
    Returns:
    
    formatted string
  - createIconTextHTMLTable
```
public static String createIconTextHTMLTable(String text,
                                             URL iconURL)
```
    Creates an HTML table with an icon and text. Contains root elements.
    
    Parameters:
    
    text - the text. Is automatically escaped
    
    iconURL - the icon
    
    Returns:
    
    the HTML
  - createIconTextHTMLTableElement
```
public static String createIconTextHTMLTableElement(String text,
                                                    URL iconURL)
```
    Creates an HTML table with an icon and text. Has no HTML root
    
    Parameters:
    
    text - the text. Is automatically escaped
    
    iconURL - the icon
    
    Returns:
    
    the HTML element
  - createRightIconTextHTMLTable
```
public static String createRightIconTextHTMLTable(String text,
                                                  URL iconURL)
```
    Same as createIconTextHTMLTable but the icon is on the right side
    
    Parameters:
    
    text - the text. Is automatically escaped
    
    iconURL - the icon
    
    Returns:
    
    the HTML
  - createRightIconTextHTMLTableElement
```
public static String createRightIconTextHTMLTableElement(String text,
                                                         URL iconURL)
```
    Same as createIconTextHTMLTableElement but the icon is on the right side
    
    Parameters:
    
    text - the text. Is automatically escaped
    
    iconURL - the icon
    
    Returns:
    
    the HTML
  - nullTerminate
```
public static String nullTerminate(String input)
```
    Applies a \0 termination to a string. Used to parse unclean input from C
    
    Parameters:
    
    input - the input string
    
    Returns:
    
    string that ends at the first \0
  - removeHTMLRoot
```
public static String removeHTMLRoot(String html)
```
    Removes the HTML root from HTML
    
    Parameters:
    
    html - the HTML
    
    Returns:
    
    html without root
  - wordWrappedHTML
```
public static String wordWrappedHTML(String text,
                                     int wrapColumn)
```
    Create word wrapping in HTML. Has HTML root element.
    
    Parameters:
    
    text - the wrapped text. It is automatically escaped
    
    wrapColumn - after how many columns to break words
    
    Returns:
    
    the wrapped text
  - wordWrappedHTMLElement
```
public static String wordWrappedHTMLElement(String text,
                                            int wrapColumn)
```
    Create word wrapping in HTML. Has HTML root element.
    
    Parameters:
    
    text - the wrapped text. It is automatically escaped
    
    wrapColumn - after how many columns to break words
    
    Returns:
    
    the wrapped text
  - isNullOrEmpty
```
public static boolean isNullOrEmpty(Object string)
```
    Returns true if the string is null or empty
    
    Parameters:
    
    string - the string
    
    Returns:
    
    if the string is null or empty
  - orElse
```
public static String orElse(Object string,
                            String ifNullOrEmpty)
```
    Returns the string if its not null or empty or the alternative
    
    Parameters:
    
    string - the string
    
    ifNullOrEmpty - returned if string is null or empty
    
    Returns:
    
    string or ifNullOrEmpty depending on if string is null or empty
  - safeJsonify
```
public static String safeJsonify(String input)
```
    Removes all spaces, and filesystem-unsafe characters from the string and replaces them with dashes Duplicate dashes are removed
    
    Parameters:
    
    input - the input string
    
    Returns:
    
    jsonified string
  - jsonify
```
public static String jsonify(String input)
```
    Removes all spaces, and filesystem-unsafe characters from the string and replaces them with dashes Duplicate dashes are removed
    
    Parameters:
    
    input - the input string
    
    Returns:
    
    jsonified string
  - makeFilesystemCompatible
```
public static String makeFilesystemCompatible(String input)
```
    Replaces all characters invalid for filesystems with spaces Assumes that the string is a filename, so path operators are not allowed. Applies the limits for file / path names
    
    Parameters:
    
    input - filename
    
    Returns:
    
    string compatible with file systems
  - makeUniqueString
```
public static String makeUniqueString(String input,
                                      String spaceCharacter,
                                      Collection<String> existing)
```
    Makes an unique string by adding a counting variable to its end if it already exists
    
    Parameters:
    
    input - initial string
    
    spaceCharacter - character to add between the string and counting variable
    
    existing - collection of existing strings
    
    Returns:
    
    unique string
  - makeUniqueString
```
public static String makeUniqueString(String input,
                                      String spaceCharacter,
                                      Predicate<String> existing)
```
    Makes an unique string by adding a counting variable to its end if it already exists
    
    Parameters:
    
    input - initial string
    
    spaceCharacter - character to add between the string and counting variable
    
    existing - function that returns true if the string already exists
    
    Returns:
    
    unique string
  - getCleanedMenuPath
```
public static String getCleanedMenuPath(String menuPath)
```
    Cleans a menu path string
    
    Parameters:
    
    menuPath - a menu path
    
    Returns:
    
    cleaned string
  - isFilesystemCompatible
```
public static boolean isFilesystemCompatible(String string)
```
    Returns if the string does not contain invalid characters. Assumes that the string is a filename, so path operators are not allowed.
    
    Parameters:
    
    string - the filename
    
    Returns:
    
    if the filename is valid
  - nullToEmpty
```
public static String nullToEmpty(Object s)
```
    Returns an empty string if s is null otherwise returns s
    
    Parameters:
    
    s - the string
    
    Returns:
    
    an empty string if s is null otherwise returns s
  - convertGlobToRegex
```
public static String convertGlobToRegex(String pattern)
```
    Converts a standard POSIX Shell globbing pattern into a regular expression pattern. The result can be used with the standard java.util.regex API to recognize strings which match the glob pattern.
    See also, the POSIX Shell language: ...
    See ...
    
    Parameters:
    
    pattern - A glob pattern.
    
    Returns:
    
    A regex pattern to recognize the given glob pattern.
  - compareVersions
```
public static int compareVersions(String version1,
                                  String version2)
```
    Compares two version strings. Only numeric versions are supported
    
    Parameters:
    
    version1 - the first version
    
    version2 - the second version
    
    Returns:
    
    -1 if version1 is is less than version. 1 if version2 is less than version1. 0 if equal
  - parseDouble
```
public static double parseDouble(String str)
```
  - parseFloat
```
public static float parseFloat(String str)
```

Class StringUtils

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

INVALID_FILESYSTEM_CHARACTERS

INVALID_JSONIFY_CHARACTERS

Method Detail

removeDuplicateDelimiters

formatDuration

formatDateTime

createIconTextHTMLTable

createIconTextHTMLTableElement

createRightIconTextHTMLTable

createRightIconTextHTMLTableElement

nullTerminate

removeHTMLRoot

wordWrappedHTML

wordWrappedHTMLElement

isNullOrEmpty

orElse

safeJsonify

jsonify

makeFilesystemCompatible

makeUniqueString

makeUniqueString

getCleanedMenuPath

isFilesystemCompatible

nullToEmpty

convertGlobToRegex

compareVersions

parseDouble

parseFloat