com.amadeus.Constants Maven / Gradle / Ivy

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package com.amadeus;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * A class for constant variables.
 *
 *  *  To use: Constants.VARIABLE
 * 
 */
public final class Constants {


  public static final String HTTPS = "https";
  public static final String HTTP = "http";

  public static final String USER_AGENT = "User-Agent";
  public static final String ACCEPT = "Accept";
  public static final String AUTHORIZATION = "Authorization";
  public static final String CONTENT_TYPE = "Content-Type";
  public static final String X_HTTP_METHOD_OVERRIDE = "X-HTTP-Method-Override";

  // Pagination
  public static final String FIRST = "first";
  public static final String LAST = "last";
  public static final String NEXT = "next";
  public static final String PREVIOUS = "previous";

  // Authorization
  public static final String GRANT_TYPE = "grant_type";
  public static final String CLIENT_CREDENTIALS = "client_credentials";
  public static final String CLIENT_ID = "client_id";
  public static final String CLIENT_SECRET = "client_secret";
  public static final String AUTH_URL = "/v1/security/oauth2/token";
  public static final String ACCESS_TOKEN = "access_token";
  public static final String EXPIRES_IN = "expires_in";

  // APIs which need an X-HTTP-Method-Override GET HEADER
  protected static final List APIS_WITH_EXTRA_HEADER = new ArrayList(Arrays.asList(
      "/v2/shopping/flight-offers",
      "/v1/shopping/seatmaps",
      "/v1/shopping/availability/flight-availabilities",
      "/v2/shopping/flight-offers/prediction",
      "/v1/shopping/flight-offers/pricing",
      "/v1/shopping/flight-offers/upselling"));

  /**
   * The caller references the constants using Consts.EMPTY_STRING,
   * and so on. Thus, the caller should be prevented from constructing objects of
   * this class, by declaring this private constructor.
   */
  private Constants() {
    throw new AssertionError();
  }
}