IdUtils (Nuxeo 2021.64.6 API Documentation)

java.lang.Object
- org.nuxeo.common.utils.IdUtils

```
public final class IdUtils
extends Object
```
Utils for identifier generation.

Author:

Anahide Tchertchian

Field Summary

Fields
Modifier and Type Field Description

static String UUID_TYPE_4_REGEXP

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`generateId(String s, String wordSeparator, boolean lower, int maxChars)`	Generates an id from a non-null String.
`static long`	`generateLongId()`	Generates an unique long identifier.
`static String`	`generateStringId()`	Generates an unique string identifier.
`static boolean`	`isValidUUID(String uuid)`	Check if a given string has the pattern for UUID type 4

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

- Field Detail
  - UUID_TYPE_4_REGEXP
```
public static final String UUID_TYPE_4_REGEXP
```
    See Also:
    
    Constant Field Values
- Method Detail
  - generateStringId
```
public static String generateStringId()
```
    Generates an unique string identifier.
  - generateLongId
```
public static long generateLongId()
```
    Generates an unique long identifier.
  - generateId
```
public static String generateId(String s,
                                String wordSeparator,
                                boolean lower,
                                int maxChars)
```
    Generates an id from a non-null String.
    Replaces accented characters from a string by their ascii equivalent, removes non alphanumerical characters and replaces spaces by the given wordSeparator character.
    
    Parameters:
    
    s - the original String
    
    wordSeparator - the word separator to use (usually '-')
    
    lower - if lower is true, remove upper case
    
    maxChars - maximum longer of identifier characters
    
    Returns:
    
    the identifier String
  - isValidUUID
```
public static boolean isValidUUID(String uuid)
```
    Check if a given string has the pattern for UUID type 4
    
    Since:
    
    5.7