content: /**
   * Copyright (c) 2018-2019, Mihai Emil Andronache
   * All rights reserved.
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   * 1)Redistributions of source code must retain the above copyright notice,
   * this list of conditions and the following disclaimer.
   * 2)Redistributions in binary form must reproduce the above copyright notice,
   * this list of conditions and the following disclaimer in the documentation
   * and/or other materials provided with the distribution.
   * 3)Neither the name of docker-java-api nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  package com.amihaiemil.docker;
  
  import java.net.URI;
  import java.nio.charset.StandardCharsets;
  import java.util.Base64;
  import java.util.Collections;
  import java.util.Map;
  import javax.json.Json;
  import javax.json.JsonObject;
  import javax.json.JsonObjectBuilder;
  
  /**
   * An {@link Auth} holding a Registry Config.
   * Auth configurations for multiple registries that a build may refer to.
   * @author Boris Kuzmic (boris.kuzmic@gmail.com)
   * @see <a href="https://docs.docker.com/engine/api/v1.35/#operation/ImageBuild">Build an image</a>
   * @since 0.0.7
   */
  public final class RegistryConfigAuth implements Auth {
  
      /**
       * All registry information.
       */
      private final Map<URI, JsonObject> registries;
  
      /**
       * Ctor.
       * @param registry The registry URI.
       * @param user The username.
       * @param pwd The user's password.
       */
      public RegistryConfigAuth(final URI registry, final String user,
                                final String pwd) {
          this(registry, Json.createObjectBuilder()
              .add("username", user)
              .add("password", pwd).build());
      }
  
      /**
       * Ctor.
       * @param registry The registry URI.
       * @param identityToken The Identity Token.
       */
      public RegistryConfigAuth(final URI registry, final String identityToken) {
          this(registry, Json.createObjectBuilder()
              .add("identitytoken", identityToken)
              .build());
      }
  
      /**
       * Private Ctor.
       * @param registry The registry URI.
       * @param data The Json Object representing Auth Config.
       */
      private RegistryConfigAuth(final URI registry, final JsonObject data) {
          this(Collections.singletonMap(registry, data));
      }
  
      /**
       * Private Ctor.
       * @param registries The registries URI and.
       */
      public RegistryConfigAuth(final Map<URI, JsonObject> registries) {
          this.registries = registries;
      }
  
      @Override
      public String headerName() {
          return "X-Registry-Config";
      }
  
      @Override
      public String encoded() {
          final JsonObjectBuilder bldr = Json.createObjectBuilder();
          this.registries.forEach(
              (registry, value) -> bldr.add(registry.toString(), value)
          );
          return Base64.getEncoder().encodeToString(
              bldr.build().toString().getBytes(StandardCharsets.UTF_8)
          );
      }
  }
  