javax.security.auth.message.callback.CallerPrincipalCallback Maven / Gradle / Ivy
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package javax.security.auth.message.callback;
import java.security.Principal;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
/**
* Callback for setting the container's caller (or Remote user) principal.
* This callback is intended to be called by a serverAuthModule
* during its validateRequest processing.
*
* @version %I%, %G%
*/
public class CallerPrincipalCallback implements Callback {
private Subject subject;
private Principal principal;
private String name;
/**
* Create a CallerPrincipalCallback to set the container's
* representation of the caller principal
*
* @param s The Subject in which the container will distinguish the
* caller identity.
*
* @param p The Principal that will be distinguished as the caller
* principal. This value may be null.
*
* The CallbackHandler must use the argument Principal to establish the caller
* principal associated with the invocation being processed by the container.
* When the argument Principal is null, the handler must establish the
* container's representation of the unauthenticated caller principal. The
* handler may perform principal mapping of non-null argument Principal
* values, but it must be possible to configure the handler such that it
* establishes the non-null argument Principal as the caller principal.
*/
public CallerPrincipalCallback(Subject s, Principal p) {
subject = s;
principal = p;
name = null;
}
/**
* Create a CallerPrincipalCallback to set the container's
* representation of the caller principal.
*
* @param s The Subject in which the container will distinguish the
* caller identity.
*
* @param n The String value that will be returned when getName() is
* called on the principal established as the caller principal or null.
*
* The CallbackHandler must use the n argument to establish the caller
* principal associated with the invocation being processed by the container.
* When the n argument is null, the handler must establish the container's
* representation of the unauthenticated caller principal (which may or may
* not be equal to null, depending on the requirements of the container type
* ). The handler may perform principal mapping of non-null values of n, but
* it must be possible to configure the handler such that it establishes the
* non-null argument value as the value returned when getName is called on
* the established principal.
*/
public CallerPrincipalCallback(Subject s, String n) {
subject = s;
principal = null;
name = n;
}
/**
* Get the Subject in which the handler will distinguish the caller
* principal
*
* @return The subject.
*/
public Subject getSubject() {
return subject;
}
/**
* Get the caller principal.
*
* @return The principal or null.
*
* When the values returned by this method and the getName methods
* are null, the handler must establish the container's representation
* of the unauthenticated caller principal within the Subject.
*/
public Principal getPrincipal() {
return principal;
}
/**
* Get the caller principal name.
*
* @return The principal name or null.
*
* When the values returned by this method and the getPrincipal methods
* are null, the handler must establish the container's representation
* of the unauthenticated caller principal within the Subject.
*/
public String getName() {
return name;
}
}