/*
    * Copyright (C) 2012 Atlassian
    *
    * 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 com.atlassian.jira.rest.client.internal.async;
  
  import com.atlassian.httpclient.api.HttpClient;
  import com.atlassian.jira.rest.client.api.UserRestClient;
  import com.atlassian.jira.rest.client.api.domain.User;
  import com.atlassian.jira.rest.client.internal.json.UserJsonParser;
  import com.atlassian.util.concurrent.Promise;
  
  import javax.ws.rs.core.UriBuilder;
  import java.net.URI;
  
  /**
   * Asynchronous implementation of UserRestClient.
   *
   * @since v2.0
   */
  public class AsynchronousUserRestClient extends AbstractAsynchronousRestClient implements UserRestClient {
  
      private static final String USER_URI_PREFIX = "user";
      private final UserJsonParser userJsonParser = new UserJsonParser();
  
      private final URI baseUri;
  
      public AsynchronousUserRestClient(final URI baseUri, final HttpClient client) {
          super(client);
          this.baseUri = baseUri;
      }
  
      @Override
      public Promise<User> getUser(final String username) {
          final URI userUri = UriBuilder.fromUri(baseUri).path(USER_URI_PREFIX)
                  .queryParam("username", username).queryParam("expand", "groups").build();
          return getUser(userUri);
      }
  
      @Override
      public Promise<User> getUser(final URI userUri) {
          return getAndParse(userUri, userJsonParser);
      }
  }