/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * 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.uberfire.security.authz;

import org.jboss.errai.common.client.api.annotations.Portable;

@Portable
public enum AuthorizationResult {

    ACCESS_GRANTED(1),
    ACCESS_ABSTAIN(0),
    ACCESS_DENIED(-1);

    private int result = 0;

    AuthorizationResult() {
        this(0);
    }

    AuthorizationResult(int result) {
        this.result = result;
    }

    public AuthorizationResult invert() {
        switch (result) {
            case 1:
                return ACCESS_DENIED;
            case -1:
                return ACCESS_GRANTED;
            default:
                return ACCESS_ABSTAIN;
        }
    }

    @Override
    public String toString() {
        switch (result) {
            case 1:
                return "ACCESS_GRANTED";
            case -1:
                return "ACCESS_DENIED";
            default:
                return "ACCESS_ABSTAIN";
        }
    }
}
