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.io.IOException;
  import java.net.URI;
  import javax.json.JsonObject;
  import org.apache.http.HttpStatus;
  import org.apache.http.client.HttpClient;
  import org.apache.http.client.methods.HttpDelete;
  import org.apache.http.client.methods.HttpPost;
  import org.apache.http.entity.StringEntity;
  import org.apache.http.message.BasicHeader;
  
  /**
   * Restful Container.
   * @author Mihai Andronache (amihaiemil@gmail.com)
   * @version $Id: dd37ca89fbe92ff751361d2dc3b42d65e87e2d17 $
   * @since 0.0.1
   * @todo #97:30min Continue implementing the rest of the Container operations
   *  (pause, unpause, logs etc) See the Docker API Docs for reference:
   *  https://docs.docker.com/engine/api/v1.35/#tag/Container
   */
  final class RtContainer extends JsonResource implements Container {
  
      /**
       * Apache HttpClient which sends the requests.
       */
      private final HttpClient client;
  
      /**
       * Base URI.
       */
      private final URI baseUri;
  
      /**
       * Docker API.
       */
      private final Docker docker;
  
      /**
       * Ctor.
       * @param rep JsonObject representation of this Container.
       * @param client Given HTTP Client.
       * @param baseUri Base URI, ending with /{containerId}.
       * @param dkr Docker where this Container came from.
       * @checkstyle ParameterNumber (5 lines)
       */
      RtContainer(
          final JsonObject rep, final HttpClient client,
          final URI baseUri, final Docker dkr
      ) {
          super(rep);
          this.client = client;
          this.baseUri = baseUri;
          this.docker = dkr;
      }
  
      @Override
      public JsonObject inspect() throws IOException {
          return new Inspection(this.client, this.baseUri.toString() + "/json");
      }
  
      @Override
      public void start() throws IOException {
          final HttpPost start = new HttpPost(
              this.baseUri.toString() + "/start"
          );
          try {
              this.client.execute(
                  start,
                  new MatchStatus(start.getURI(), HttpStatus.SC_NO_CONTENT)
              );
          } finally {
              start.releaseConnection();
          }
      }
  
      @Override
      public String containerId() {
          return this.getString("Id");
      }
  
      @Override
      public void stop() throws IOException {
          final HttpPost stop = new HttpPost(
              this.baseUri.toString() + "/stop"
          );
          try {
              this.client.execute(
                  stop,
                  new MatchStatus(stop.getURI(), HttpStatus.SC_NO_CONTENT)
              );
          } finally {
              stop.releaseConnection();
          }
      }
  
      @Override
      public void kill() throws IOException, UnexpectedResponseException {
          final HttpPost kill = new HttpPost(
              this.baseUri.toString() + "/kill"
          );
          try {
              this.client.execute(
                  kill,
                  new MatchStatus(kill.getURI(), HttpStatus.SC_NO_CONTENT)
              );
          } finally {
              kill.releaseConnection();
          }
      }
  
      @Override
      public void restart() throws IOException, UnexpectedResponseException {
          final HttpPost restart = new HttpPost(
              this.baseUri.toString() + "/restart"
          );
          try {
              this.client.execute(
                  restart,
                  new MatchStatus(restart.getURI(), HttpStatus.SC_NO_CONTENT)
              );
          } finally {
              restart.releaseConnection();
          }
      }
  
      @Override
      public void rename(final String name)
          throws IOException, UnexpectedResponseException {
          final HttpPost rename = new HttpPost(
              this.baseUri.toString() + "/rename?name=" + name
          );
          try {
              this.client.execute(
                  rename,
                  new MatchStatus(rename.getURI(), HttpStatus.SC_NO_CONTENT)
              );
          } finally {
              rename.releaseConnection();
          }
      }
  
      @Override
      public void remove() throws IOException, UnexpectedResponseException {
          this.remove(false, false, false);
      }
  
      @Override
      public void remove(
          final boolean volumes, final boolean force, final boolean link
      ) throws IOException, UnexpectedResponseException {
          final HttpDelete remove  = new HttpDelete(
              new UncheckedUriBuilder(this.baseUri.toString())
                  .addParameter("v", String.valueOf(volumes))
                  .addParameter("force", String.valueOf(force))
                  .addParameter("link", String.valueOf(link))
                  .build()
          );
          try {
              this.client.execute(
                  remove,
                  new MatchStatus(remove.getURI(), HttpStatus.SC_NO_CONTENT)
              );
          } finally {
              remove.releaseConnection();
          }
      }
  
      @Override
      public Logs logs() {
          return new RtLogs(
              this, this.client, URI.create(this.baseUri.toString() + "/logs")
          );
      }
  
      @Override
      public Docker docker() {
          return this.docker;
      }
  
      @Override
      public void pause() throws IOException {
          final HttpPost pause = new HttpPost(
                  this.baseUri.toString() + "/pause"
          );
          try {
              this.client.execute(
                      pause,
                      new MatchStatus(pause.getURI(), HttpStatus.SC_NO_CONTENT)
              );
          } finally {
              pause.releaseConnection();
          }
      }
  
      @Override
      public void unpause() throws IOException {
          final HttpPost unpause = new HttpPost(
                  this.baseUri.toString() + "/unpause"
          );
          try {
              this.client.execute(
                      unpause,
                      new MatchStatus(unpause.getURI(), HttpStatus.SC_NO_CONTENT)
              );
          } finally {
              unpause.releaseConnection();
          }
      }
  
      @Override
      public int waitOn(final String state) throws IOException {
          UncheckedUriBuilder urib = new UncheckedUriBuilder(
              this.baseUri.toString().concat("/wait")
          );
          if(!(null == state || state.isEmpty())){
              urib.addParameter("condition", state);
          }
  
          final HttpPost waiter = new HttpPost(urib.build());
          try {
              final JsonObject json = this.client.execute(
                  waiter,
                  new ReadJsonObject(
                      new MatchStatus(waiter.getURI(), HttpStatus.SC_OK)
                  )
              );
              return json.getInt("StatusCode");
          } finally {
              waiter.releaseConnection();
          }
      }
  
      @Override
      public Exec exec(final JsonObject config) throws IOException {
          final URI uri = new UncheckedUriBuilder(
              this.baseUri.toString() + "/exec")
              .build();
          final HttpPost post = new HttpPost(uri);
          try {
              post.setEntity(new StringEntity(config.toString()));
              post.setHeader(new BasicHeader("Content-Type", "application/json"));
              final JsonObject json = this.client.execute(
                  post,
                  new ReadJsonObject(
                      new MatchStatus(post.getURI(), HttpStatus.SC_CREATED)
                  )
              );
              return this.docker.execs().get(json.getString("Id"));
          } finally {
              post.releaseConnection();
          }
      }
  }
  