org.jgroups.auth

Class RegexMembership

java.lang.Object

org.jgroups.auth.AuthToken

org.jgroups.auth.RegexMembership

All Implemented Interfaces:

Streamable

public class RegexMembership
extends AuthToken

Matches the IP address or logical name of a joiner against a regular expression and accepts or rejects based on pattern matching

Author:

Bela Ban

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	match_ip_address
protected boolean	match_logical_name
protected java.lang.String	match_string
protected java.util.regex.Pattern	pattern

Fields inherited from class org.jgroups.auth.AuthToken

auth, log

Constructor Summary

Constructors

Constructor and Description
RegexMembership()

Method Summary

Modifier and Type	Method and Description
boolean	authenticate(AuthToken token, Message msg) This method should be implemented to perform the actual authentication of joining members.
java.lang.String	getName() Used to return the full package and class name of the implementation.
void	init()
void	readFrom(java.io.DataInput in) Required to deserialize the object when read in from the wire
int	size() The size of the marshalled AuthToken
void	writeTo(java.io.DataOutput out) Write the entire state of the current object (including superclasses) to outstream.

Methods inherited from class org.jgroups.auth.AuthToken

destroy, setAuth, start, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

match_string

protected java.lang.String match_string

match_ip_address

protected boolean match_ip_address

match_logical_name

protected boolean match_logical_name

pattern

protected java.util.regex.Pattern pattern

Constructor Detail

RegexMembership

public RegexMembership()

Method Detail

getName

public java.lang.String getName()

Description copied from class: AuthToken

Used to return the full package and class name of the implementation. This is used by the AUTH protocol to create an instance of the implementation.

Specified by:

getName in class AuthToken

Returns:

a java.lang.String object of the package and class name

init

public void init()
          throws java.lang.Exception

Overrides:

init in class AuthToken

Throws:

java.lang.Exception

authenticate

public boolean authenticate(AuthToken token,
                            Message msg)

Description copied from class: AuthToken

This method should be implemented to perform the actual authentication of joining members.

Specified by:

authenticate in class AuthToken

Parameters:

token - the token sent by the joiner

msg - the Message object containing the actual JOIN_REQ

Returns:

true if authenticaion passed or false if it failed.

writeTo

public void writeTo(java.io.DataOutput out)
             throws java.lang.Exception

Description copied from interface: Streamable

Write the entire state of the current object (including superclasses) to outstream. Note that the output stream must not be closed

Throws:

java.lang.Exception

readFrom

public void readFrom(java.io.DataInput in)
              throws java.lang.Exception

Required to deserialize the object when read in from the wire

Parameters:

in -

Throws:

java.lang.Exception

size

public int size()

Description copied from class: AuthToken

The size of the marshalled AuthToken

Specified by:

size in class AuthToken