/*
* JBoss, Home of Professional Open Source.
* Copyright 2017 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wildfly.security.auth.client;
import java.util.EnumSet;
import javax.security.auth.callback.ChoiceCallback;
import javax.security.sasl.RealmChoiceCallback;
/**
* The kinds of callbacks which can be handled by the user's callback.
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
public enum CallbackKind {
/**
* Callbacks which select a user name or principal.
*/
PRINCIPAL,
/**
* Callbacks which select a credential to use for authentication.
*/
CREDENTIAL,
/**
* Callbacks which handle local credential-reset requests.
*/
CREDENTIAL_RESET,
/**
* Callbacks which select the mechanism realm.
*/
REALM,
/**
* Callbacks which accept the peer's name or principal.
*/
PEER_PRINCIPAL,
/**
* Callbacks which handle or verify the peer's credentials.
*/
PEER_CREDENTIAL,
/**
* Callbacks which extend {@link ChoiceCallback} (not including {@link RealmChoiceCallback}).
*/
CHOICE,
/**
* Callbacks which select algorithm parameters to use for authentication.
*/
PARAMETERS,
/**
* Callbacks which accept the server's trusted authorities.
*/
SERVER_TRUSTED_AUTHORITIES,
/**
* Callbacks which provide general output.
*/
GENERAL_OUTPUT,
/**
* Callbacks which provide general input.
*/
GENERAL_INPUT,
;
private static final int fullSize = values().length;
/**
* Determine whether the given set is fully populated (or "full"), meaning it contains all possible values.
*
* @param set the set
* @return {@code true} if the set is full, {@code false} otherwise
*/
public static boolean isFull(final EnumSet<CallbackKind> set) {
return set != null && set.size() == fullSize;
}
/**
* Determine whether this instance is equal to one of the given instances.
*
* @param v1 the first instance
* @return {@code true} if one of the instances matches this one, {@code false} otherwise
*/
public boolean in(final CallbackKind v1) {
return this == v1;
}
/**
* Determine whether this instance is equal to one of the given instances.
*
* @param v1 the first instance
* @param v2 the second instance
* @return {@code true} if one of the instances matches this one, {@code false} otherwise
*/
public boolean in(final CallbackKind v1, final CallbackKind v2) {
return this == v1 || this == v2;
}
/**
* Determine whether this instance is equal to one of the given instances.
*
* @param v1 the first instance
* @param v2 the second instance
* @param v3 the third instance
* @return {@code true} if one of the instances matches this one, {@code false} otherwise
*/
public boolean in(final CallbackKind v1, final CallbackKind v2, final CallbackKind v3) {
return this == v1 || this == v2 || this == v3;
}
/**
* Determine whether this instance is equal to one of the given instances.
*
* @param values the possible values
* @return {@code true} if one of the instances matches this one, {@code false} otherwise
*/
public boolean in(final CallbackKind... values) {
if (values != null) for (CallbackKind value : values) {
if (this == value) return true;
}
return false;
}
}