javax.security.auth.message.callback.GroupPrincipalCallback Maven / Gradle / Ivy
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package javax.security.auth.message.callback;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
/**
* Callback establishing group principals within the argument subject.
* This callback is intended to be called by a serverAuthModule
* during its validateRequest processing.
*
*/
public class GroupPrincipalCallback implements Callback {
private Subject subject;
private String[] groups;
/**
* Create a GroupPrincipalCallback to establish the container's
* representation of the corresponding group principals within
* the Subject.
*
* @param s The Subject in which the container will create
* group principals.
*
* @param g An array of Strings, where each element contains
* the name of a group that will be used to create a
* corresponding group principal within the Subject.
*
* When a null value is passed to the g argument, the handler will
* establish the container's representation of no group principals within
* the Subject.
* Otherwise, the handler's processing of this callback is
* additive, yielding the union (without duplicates) of the principals
* existing within the Subject, and those created with the names occuring
* within the argument array. The CallbackHandler will define the type
* of the created principals.
*/
public GroupPrincipalCallback(Subject s, String[] g) {
subject = s;
groups = g;
}
/**
* Get the Subject in which the handler will establish the
* group principals.
*
* @return The subject.
*/
public Subject getSubject() {
return subject;
}
/**
* Get the array of group names.
*
* @return Null, or an array containing 0 or more String group names.
*
* When the return value is null, the handler will
* establish the container's representation of no group principals within
* the Subject.
*
* Otherwise, the handler's processing of this callback is
* additive, yielding the union (without duplicates) of the principals
* created with the names in the returned array and those existing
* within the Subject.
*/
public String[] getGroups() {
return groups;
}
}