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/*-
 * ============LICENSE_START=======================================================
 * PolicyEngineAPI
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.api;

import com.fasterxml.jackson.annotation.JsonCreator;

/**
 * Enumeration of PolicyResponseStatus that can be returned as a part of
 * {@link org.onap.policy.api.PolicyResponse}.
 * 
 * @version 0.2
 */
public enum PolicyResponseStatus {
    /**
     * Indicates there is no action required.
     */
    NO_ACTION_REQUIRED("no_action"),
    /**
     * Indicates that an action has been advised.
     */
    ACTION_ADVISED("action_advised"),
    /**
     * Indicates that an action has been taken.
     */
    ACTION_TAKEN("action_taken");

    private final String name;

    private PolicyResponseStatus(final String name) {
        this.name = name;
    }

    /**
     * Get the <code>PolicyResponseStatus</code> based on <code>String</code>
     * representation of <code>PolicyResponse</code>
     * 
     * @param responseStatus
     *            the <code>String</code> Response Status
     * @return the <code>PolicyResponseStatus</code> with the name matching
     *         <code>ACTION_ADVISED</code> or <code>ACTION_TAKEN</code> or
     *         <code>NO_ACTION_REQUIRED</code>
     */
    public static PolicyResponseStatus getStatus(final String responseStatus) {
        if (ACTION_ADVISED.name.equalsIgnoreCase(responseStatus)) {
            return ACTION_ADVISED;
        } else if (ACTION_TAKEN.name.equalsIgnoreCase(responseStatus)) {
            return ACTION_TAKEN;
        } else {
            return NO_ACTION_REQUIRED;
        }
    }

    /**
     * Returns the <code>String</code> name for this
     * <code>PolicyResponseStatus</code>
     * 
     * @return the <code>String</code> name for this
     *         <code>PolicyResponseStatus</code>
     */
    @Override
    public String toString() {
        return this.name;
    }

    @JsonCreator
    public static PolicyResponseStatus create(final String value) {
        for (final PolicyResponseStatus type : values()) {
            if (type.toString().equalsIgnoreCase(value) || type.name().equalsIgnoreCase(value)) {
                return type;
            }
        }
        throw new IllegalArgumentException("Invalid value: " + value);
    }
}