/*
    * ====================================================================
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.hc.client5.http.examples;
  
  import java.io.BufferedReader;
  import java.io.InputStreamReader;
  import java.nio.charset.Charset;
  import java.nio.charset.StandardCharsets;
  
  import org.apache.hc.client5.http.classic.methods.HttpGet;
  import org.apache.hc.client5.http.impl.async.CloseableHttpAsyncClient;
  import org.apache.hc.client5.http.impl.async.HttpAsyncClients;
  import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
  import org.apache.hc.core5.annotation.Experimental;
  import org.apache.hc.core5.http.ContentType;
  import org.apache.hc.core5.http.HttpEntity;
  import org.apache.hc.core5.http.message.StatusLine;
  import org.apache.hc.core5.util.Timeout;
  
  /**
   * This example demonstrates create an {@link CloseableHttpClient} adaptor over
   * {@link CloseableHttpAsyncClient} providing compatibility with the classic APIs
   * based on the {@link java.io.InputStream} / {@link java.io.OutputStream} model
   */
  @Experimental
  public class ClientClassicOverAsync {
  
      public static void main(final String[] args) throws Exception {
          try (final CloseableHttpClient httpclient = HttpAsyncClients.classic(
                  HttpAsyncClients.createDefault(),
                  Timeout.ofMinutes(1))) {
              final HttpGet httpget = new HttpGet("http://httpbin.org/get");
              System.out.println("Executing request " + httpget.getMethod() + " " + httpget.getUri());
              httpclient.execute(httpget, response -> {
                  System.out.println("----------------------------------------");
                  System.out.println(httpget + "->" + new StatusLine(response));
                  final HttpEntity entity = response.getEntity();
                  if (entity != null) {
                      final ContentType contentType = ContentType.parseLenient(entity.getContentType());
                      final Charset charset = ContentType.getCharset(contentType, StandardCharsets.UTF_8);
                      try (BufferedReader reader = new BufferedReader(new InputStreamReader(entity.getContent(), charset))) {
                          String line;
                          while ((line = reader.readLine()) != null) {
                              System.out.println(line);
                          }
                      }
                  }
                  return null;
              });
          }
      }
  
  }