DClass (dnsjava documentation)

java.lang.Object
- org.xbill.DNS.DClass

```
public final class DClass
extends Object
```
Constants and functions relating to DNS classes. This is called DClass to avoid confusion with Class.

Author:

Brian Wellington

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`ANY` Matches any class
`static int`	`CH` Chaos network (MIT)
`static int`	`CHAOS` Chaos network (MIT, alternate name)
`static int`	`HESIOD` Hesiod name server (MIT, alternate name)
`static int`	`HS` Hesiod name server (MIT)
`static int`	`IN` Internet
`static int`	`NONE` Special value used in dynamic update messages

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static void`	`check(int i)` Checks that a numeric DClass is valid.
`static String`	`string(int i)` Converts a numeric DClass into a String
`static int`	`value(String s)` Converts a String representation of a DClass into its numeric value

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

- Field Detail
  - IN
```
public static final int IN
```
    Internet
    
    See Also:
    
    Constant Field Values
  - CH
```
public static final int CH
```
    Chaos network (MIT)
    
    See Also:
    
    Constant Field Values
  - CHAOS
```
public static final int CHAOS
```
    Chaos network (MIT, alternate name)
    
    See Also:
    
    Constant Field Values
  - HS
```
public static final int HS
```
    Hesiod name server (MIT)
    
    See Also:
    
    Constant Field Values
  - HESIOD
```
public static final int HESIOD
```
    Hesiod name server (MIT, alternate name)
    
    See Also:
    
    Constant Field Values
  - NONE
```
public static final int NONE
```
    Special value used in dynamic update messages
    
    See Also:
    
    Constant Field Values
  - ANY
```
public static final int ANY
```
    Matches any class
    
    See Also:
    
    Constant Field Values
- Method Detail
  - check
```
public static void check(int i)
```
    Checks that a numeric DClass is valid.
    
    Throws:
    
    InvalidDClassException - The class is out of range.
  - string
```
public static String string(int i)
```
    Converts a numeric DClass into a String
    
    Returns:
    
    The canonical string representation of the class
    
    Throws:
    
    InvalidDClassException - The class is out of range.
  - value
```
public static int value(String s)
```
    Converts a String representation of a DClass into its numeric value
    
    Returns:
    
    The class code, or -1 on error.

Class DClass

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

IN

CH

CHAOS

HS

HESIOD

NONE

ANY

Method Detail

check

string

value