UberAction.java

/*
 * Copyright (c) 2015. Escalon System-Entwicklung, Dietrich Schulten
 *
 * 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 de.escalon.hypermedia.spring.uber;

import org.springframework.web.bind.annotation.RequestMethod;

public enum UberAction {

    /**
     * POST
     */
    APPEND(RequestMethod.POST),
    /**
     * PATCH
     */
    PARTIAL(RequestMethod.PATCH),
    /**
     * GET
     */
    READ(RequestMethod.GET),
    /**
     * DELETE
     */
    REMOVE(RequestMethod.DELETE),
    /**
     * PUT
     */
    REPLACE(RequestMethod.PUT);

    public final RequestMethod httpMethod;

    private UberAction(RequestMethod method) {
        this.httpMethod = method;
    }

    /**
     * Maps given request method to uber action, GET will be mapped as null since it is the default.
     *
     * @param method
     *         to map
     * @return action, or null for GET
     */
    public static UberAction forRequestMethod(RequestMethod method) {
        if (RequestMethod.GET == method) {
            return null;
        }
        for (UberAction action : UberAction.values()) {
            if (action.httpMethod == method) {
                return action;
            }
        }
        throw new IllegalArgumentException("unsupported method: " + method);
    }
}