Package org.apache.tomcat.util.net
Class IPv6Utils
- java.lang.Object
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- org.apache.tomcat.util.net.IPv6Utils
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public class IPv6Utils extends java.lang.Object
IPv6 utilities.
For the moment, it only contains function to canonicalize IPv6 address into RFC 5952 form.
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Constructor Summary
Constructors Constructor Description IPv6Utils()
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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.
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Method Detail
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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.
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