1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.hc.client5.http.examples;
28
29 import java.io.File;
30 import java.io.FileInputStream;
31
32 import org.apache.hc.client5.http.classic.methods.HttpPost;
33 import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
34 import org.apache.hc.client5.http.impl.classic.HttpClients;
35 import org.apache.hc.core5.http.ContentType;
36 import org.apache.hc.core5.http.io.entity.EntityUtils;
37 import org.apache.hc.core5.http.io.entity.InputStreamEntity;
38 import org.apache.hc.core5.http.message.StatusLine;
39
40 /**
41 * Example how to use unbuffered chunk-encoded POST request.
42 */
43 public class ClientChunkEncodedPost {
44
45 public static void main(final String[] args) throws Exception {
46 if (args.length != 1) {
47 System.out.println("File path not given");
48 System.exit(1);
49 }
50 try (final CloseableHttpClient httpclient = HttpClients.createDefault()) {
51 final HttpPost httppost = new HttpPost("http://httpbin.org/post");
52
53 final File file = new File(args[0]);
54
55 final InputStreamEntity reqEntity = new InputStreamEntity(
56 new FileInputStream(file), -1, ContentType.APPLICATION_OCTET_STREAM);
57 // It may be more appropriate to use FileEntity class in this particular
58 // instance but we are using a more generic InputStreamEntity to demonstrate
59 // the capability to stream out data from any arbitrary source
60 //
61 // FileEntity entity = new FileEntity(file, "binary/octet-stream");
62
63 httppost.setEntity(reqEntity);
64
65 System.out.println("Executing request " + httppost.getMethod() + " " + httppost.getUri());
66 httpclient.execute(httppost, response -> {
67 System.out.println("----------------------------------------");
68 System.out.println(httppost + "->" + new StatusLine(response));
69 EntityUtils.consume(response.getEntity());
70 return null;
71 });
72 }
73 }
74
75 }