IPv6Utils (Apache Tomcat 9.0.73 API Documentation)

java.lang.Object
- org.apache.tomcat.util.net.IPv6Utils

```
public class IPv6Utils
extends java.lang.Object
```
IPv6 utilities.
For the moment, it only contains function to canonicalize IPv6 address into RFC 5952 form.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  IPv6Utils()
- Method Summary
  
  All Methods Static Methods Concrete Methods
  Modifier and Type Method Description
  
  static java.lang.String canonize(java.lang.String ipv6Address)
  Convert IPv6 address into RFC 5952 form.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - IPv6Utils
```
public IPv6Utils()
```
- Method Detail
  - canonize
```
public static java.lang.String canonize(java.lang.String ipv6Address)
                                 throws java.lang.IllegalArgumentException
```
    Convert IPv6 address into RFC 5952 form. E.g. 2001:db8:0:1:0:0:0:1 -> 2001:db8:0:1::1
    
    Method is null safe, and if IPv4 address or host name is passed to the method it is returned without any processing.
    
    Method also supports IPv4 in IPv6 (e.g. 0:0:0:0:0:ffff:192.0.2.1 -> ::ffff:192.0.2.1), and zone ID (e.g. fe80:0:0:0:f0f0:c0c0:1919:1234%4 -> fe80::f0f0:c0c0:1919:1234%4).
    
    The behaviour of this method is undefined if an invalid IPv6 address is passed in as input.
    
    Parameters:
    
    ipv6Address - String representing valid IPv6 address.
    
    Returns:
    
    String representing IPv6 in canonical form.
    
    Throws:
    
    java.lang.IllegalArgumentException - if IPv6 format is unacceptable.