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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.apache.olingo.commons.api.http;

/**
 * HTTP status codes as defined in RFC 7231, section 6,
 * and additional status codes as defined in RFC 6585
 */
public enum HttpStatusCode {
  
  CONTINUE(100, "Continue"),
  SWITCHING_PROTOCOLS(101, "Switching Protocols"),
  
  OK(200, "OK"),
  CREATED(201, "Created"),
  ACCEPTED(202, "Accepted"),
  NO_CONTENT(204, "No Content"),
  RESET_CONTENT(205, "Reset Content"),
  PARTIAL_CONTENT(206, "Partial Content"),

  MOVED_PERMANENTLY(301, "Moved Permanently"),
  FOUND(302, "Found"),
  SEE_OTHER(303, "See Other"),
  NOT_MODIFIED(304, "Not Modified"),
  USE_PROXY(305, "Use Proxy"),
  TEMPORARY_REDIRECT(307, "Temporary Redirect"),

  BAD_REQUEST(400, "Bad Request"),
  UNAUTHORIZED(401, "Unauthorized"),
  PAYMENT_REQUIRED(402, "Payment Required"),
  FORBIDDEN(403, "Forbidden"),
  NOT_FOUND(404, "Not Found"),
  METHOD_NOT_ALLOWED(405, "Method Not Allowed"),
  NOT_ACCEPTABLE(406, "Not Acceptable"),
  PROXY_AUTHENTICATION_REQUIRED(407, "Proxy Authentication Required"),
  REQUEST_TIMEOUT(408, "Request Timeout"),
  CONFLICT(409, "Conflict"),
  GONE(410, "Gone"),
  LENGTH_REQUIRED(411, "Length Required"),
  PRECONDITION_FAILED(412, "Precondition Failed"),
  PAYLOAD_TOO_LARGE(413, "Payload Too Large"),
  URI_TOO_LONG(414, "URI Too Long"),
  UNSUPPORTED_MEDIA_TYPE(415, "Unsupported Media Type"),  
  RANGE_NOT_SATISFIABLE(416, "Range Not Satisfiable"),
  EXPECTATION_FAILED(417, "Expectation Failed"),
  PRECONDITION_REQUIRED(428, "Precondition Required"),  // from RFC 6585

  INTERNAL_SERVER_ERROR(500, "Internal Server Error"),
  NOT_IMPLEMENTED(501, "Not Implemented"),
  BAD_GATEWAY(502, "Bad Gateway"),
  SERVICE_UNAVAILABLE(503, "Service Unavailable"),
  GATEWAY_TIMEOUT(504, "Gateway Timeout"),
  HTTP_VERSION_NOT_SUPPORTED(505, "HTTP Version Not Supported");

  private final int code;
  private final String info;

  HttpStatusCode(final int statusCode, final String info) {
    code = statusCode;
    this.info = info;
  }

  /**
   * Converts a numerical status code into the corresponding status enum object.
   * @param statusCode the numerical status code
   * @return the matching status enum object or null if no matching enum is defined
   */
  public static HttpStatusCode fromStatusCode(final int statusCode) {
    for (final HttpStatusCode s : HttpStatusCode.values()) {
      if (s.code == statusCode) {
        return s;
      }
    }
    return null;
  }

  /**
   * Gets the associated status code.
   * @return the status code.
   */
  public int getStatusCode() {
    return code;
  }

  /**
   * Gets the status code info.
   * @return the status code info
   */
  public String getInfo() {
    return info;
  }

  /**
   * The status code info is the readable form of the status code.
   */
  @Override
  public String toString() {
    return getInfo();
  }
}