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 java.util.Iterator;
  import javax.json.JsonArray;
  import org.apache.http.HttpStatus;
  import org.apache.http.client.HttpClient;
  import org.apache.http.client.methods.HttpGet;
  import org.apache.http.client.methods.HttpPost;
  import org.apache.http.entity.StringEntity;
  
  /**
   * Runtime {@link Plugins}.
   *
   * @author Boris Kuzmic (boris.kuzmic@gmail.com)
   * @since 0.0.7
   */
  abstract class RtPlugins implements Plugins {
  
      /**
       * Apache HttpClient which sends the requests.
       */
      private final HttpClient client;
  
      /**
       * Base URI for Networks API.
       */
      private final URI baseUri;
  
      /**
       * Docker API.
       */
      private final Docker docker;
  
      /**
       * Ctor.
       * @param client The http client.
       * @param uri The URI for this Network API.
       * @param dkr The docker entry point.
       */
      RtPlugins(final HttpClient client, final URI uri, final Docker dkr) {
          this.client = client;
          this.baseUri = uri;
          this.docker = dkr;
      }
  
      @Override
      public void create(final String name, final String directory)
          throws IOException, UnexpectedResponseException {
          final HttpPost create =
              new HttpPost(
                  String.format("%s/%s?name=%s",
                      this.baseUri.toString(),
                      "create",
                      name
                  )
              );
          try {
              create.setEntity(
                  new StringEntity(directory)
              );
              this.client.execute(
                  create,
                  new MatchStatus(
                      create.getURI(),
                      HttpStatus.SC_NO_CONTENT
                  )
              );
          } finally {
              create.releaseConnection();
          }
      }
  
      @Override
      public void pullAndInstall(final String remote, final String name,
                                 final JsonArray properties)
          throws IOException, UnexpectedResponseException {
          final HttpPost pull =
              new HttpPost(
                  new UncheckedUriBuilder(this.baseUri.toString().concat("/pull"))
                      .addParameter("remote", remote)
                      .addParameter("name", name)
                      .build()
              );
          try {
              pull.setEntity(
                  new StringEntity(properties.toString())
              );
              this.client.execute(
                  pull,
                  new MatchStatus(
                      pull.getURI(),
                      HttpStatus.SC_NO_CONTENT
                  )
              );
          } finally {
              pull.releaseConnection();
          }
      }
  
      @Override
      public Iterator<PluginPrivilege> privileges(final String remote)
          throws IOException, UnexpectedResponseException {
          final UncheckedUriBuilder uri =
              new UncheckedUriBuilder(
                  this.baseUri.toString().concat("/privileges")
              ).addParameter("remote", remote);
  
          return new ResourcesIterator<>(
              this.client,
              new HttpGet(
                  uri.build()
              ),
              PluginPrivilege::new
          );
      }
  
  
      @Override
      public Docker docker() {
          return this.docker;
      }
  
      /**
       * Get the (protected) HttpClient for subclasses.
       * @return HttpClient.
       */
      HttpClient client() {
          return this.client;
      }
  
      /**
       * Get the (protected) base URI for subclasses.
       * @return URI.
       */
      URI baseUri() {
          return this.baseUri;
      }
  }
  