public class RandomUtil extends Object
| Modifier and Type | Field and Description | 
|---|---|
| static String | copyright | 
| static org.slf4j.Logger | logger | 
| static int | RANDOM_CODE_LENGTH | 
| protected static File | tempDir | 
| Constructor and Description | 
|---|
| RandomUtil() | 
| Modifier and Type | Method and Description | 
|---|---|
| static String | createRandomId() | 
| static String | createRandomId(int length) | 
| static File | getCodeFile(File dir,
           String fileNameFormat,
           String code) | 
| static String | getCodeFileName(String fileNameFormat,
               String randomCode) | 
| static File | getTempCodeFile(String fileNameFormat,
               String randomCode) | 
| static File | getTempDir() | 
public static final String copyright
public static final int RANDOM_CODE_LENGTH
public static final org.slf4j.Logger logger
protected static final File tempDir