/*
    * ====================================================================
    * 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.core5.http.examples;
  
  import java.nio.charset.StandardCharsets;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.hc.core5.http.ClassicHttpRequest;
  import org.apache.hc.core5.http.ClassicHttpResponse;
  import org.apache.hc.core5.http.ContentType;
  import org.apache.hc.core5.http.HttpConnection;
  import org.apache.hc.core5.http.HttpEntity;
  import org.apache.hc.core5.http.HttpHost;
  import org.apache.hc.core5.http.HttpRequest;
  import org.apache.hc.core5.http.HttpResponse;
  import org.apache.hc.core5.http.impl.Http1StreamListener;
  import org.apache.hc.core5.http.impl.bootstrap.HttpRequester;
  import org.apache.hc.core5.http.impl.bootstrap.RequesterBootstrap;
  import org.apache.hc.core5.http.io.SocketConfig;
  import org.apache.hc.core5.http.io.entity.EntityUtils;
  import org.apache.hc.core5.http.io.entity.HttpEntities;
  import org.apache.hc.core5.http.io.support.ClassicRequestBuilder;
  import org.apache.hc.core5.http.message.BasicHeader;
  import org.apache.hc.core5.http.message.RequestLine;
  import org.apache.hc.core5.http.message.StatusLine;
  import org.apache.hc.core5.http.protocol.HttpCoreContext;
  import org.apache.hc.core5.util.Timeout;
  
  /**
   * Example of POST requests execution using classic I/O.
   */
  public class ClassicPostExecutionExample {
  
      public static void main(final String[] args) throws Exception {
          final HttpRequester httpRequester = RequesterBootstrap.bootstrap()
                  .setStreamListener(new Http1StreamListener() {
  
                      @Override
                      public void onRequestHead(final HttpConnection connection, final HttpRequest request) {
                          System.out.println(connection.getRemoteAddress() + " " + new RequestLine(request));
  
                      }
  
                      @Override
                      public void onResponseHead(final HttpConnection connection, final HttpResponse response) {
                          System.out.println(connection.getRemoteAddress() + " " + new StatusLine(response));
                      }
  
                      @Override
                      public void onExchangeComplete(final HttpConnection connection, final boolean keepAlive) {
                          if (keepAlive) {
                              System.out.println(connection.getRemoteAddress() + " exchange completed (connection kept alive)");
                          } else {
                              System.out.println(connection.getRemoteAddress() + " exchange completed (connection closed)");
                          }
                      }
  
                  })
                  .setSocketConfig(SocketConfig.custom()
                          .setSoTimeout(5, TimeUnit.SECONDS)
                          .build())
                  .create();
          final HttpCoreContext coreContext = HttpCoreContext.create();
          final HttpHost target = new HttpHost("httpbin.org");
  
          final HttpEntity[] requestBodies = {
                  HttpEntities.create(
                          "This is the first test request",
                          ContentType.TEXT_PLAIN.withCharset(StandardCharsets.UTF_8)),
                  HttpEntities.create(
                          "This is the second test request".getBytes(StandardCharsets.UTF_8),
                          ContentType.APPLICATION_OCTET_STREAM),
                  HttpEntities.create(outStream -> outStream.write(("This is the third test request " +
                          "(streaming)").getBytes(StandardCharsets.UTF_8)), ContentType.TEXT_PLAIN.withCharset(StandardCharsets.UTF_8)),
                 HttpEntities.create(
                         "This is the fourth test request " +
                                 "(streaming with trailers)",
                         ContentType.TEXT_PLAIN.withCharset(StandardCharsets.UTF_8),
                         new BasicHeader("trailer1","And goodbye"))
         };
 
         final String requestUri = "/post";
         for (int i = 0; i < requestBodies.length; i++) {
             final ClassicHttpRequest request = ClassicRequestBuilder.get()
                     .setHttpHost(target)
                     .setPath(requestUri)
                     .build();
             request.setEntity(requestBodies[i]);
             try (ClassicHttpResponse response = httpRequester.execute(target, request, Timeout.ofSeconds(5), coreContext)) {
                 System.out.println(requestUri + "->" + response.getCode());
                 System.out.println(EntityUtils.toString(response.getEntity()));
                 System.out.println("==============");
             }
         }
     }
 
 }