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comparison src/fschmidt/util/java/UrlCall.java @ 68:00520880ad02

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add fschmidt source
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 05 Oct 2025 17:24:15 -0600
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67:9d0fefce6985 68:00520880ad02
1 package fschmidt.util.java;
2
3 import java.io.InputStream;
4 import java.io.InputStreamReader;
5 import java.io.OutputStream;
6 import java.io.Reader;
7 import java.io.IOException;
8 import java.net.URLConnection;
9 import java.net.HttpURLConnection;
10 import java.net.URL;
11 import java.util.Map;
12 import java.util.HashMap;
13
14
15 public final class UrlCall {
16 public final URLConnection connection;
17
18 public UrlCall(String url) throws IOException {
19 this(new URL(url));
20 }
21
22 public UrlCall(URL url) throws IOException {
23 connection = url.openConnection();
24 }
25
26 public void acceptJson() {
27 connection.setRequestProperty("accept","application/json");
28 }
29
30 public String get() throws IOException {
31 Reader in = new InputStreamReader(connection.getInputStream());
32 String rtn = IoUtils.readAll(in);
33 in.close();
34 return rtn;
35 }
36
37 public String post(String content,String contentType) throws IOException {
38 HttpURLConnection connection = (HttpURLConnection)this.connection;
39
40 connection.setRequestProperty("Content-type",contentType);
41 connection.setDoOutput(true);
42 connection.setRequestMethod("POST");
43
44 byte[] post = content.getBytes();
45 connection.setRequestProperty("Content-Length",Integer.toString(post.length));
46 OutputStream out = connection.getOutputStream();
47 out.write(post);
48 out.flush();
49
50 Reader in;
51 try {
52 in = new InputStreamReader(connection.getInputStream());
53 } catch(IOException e) {
54 InputStream is = connection.getErrorStream();
55 if( is == null )
56 throw e;
57 in = new InputStreamReader(is);
58 String msg = IoUtils.readAll(in);
59 in.close();
60 throw new UrlCallException(msg,e);
61 }
62 String rtn = IoUtils.readAll(in);
63 in.close();
64 out.close();
65 return rtn;
66 }
67
68 public String post(String content) throws IOException {
69 return post(content,"application/x-www-form-urlencoded");
70 }
71
72 public String postJson(String content) throws IOException {
73 return post(content,"application/json");
74 }
75
76 }