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annotate core/src/luan/modules/url/UrlCall.java @ 727:d6a191618c60

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minor
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 10 Jun 2016 14:55:26 -0600
parents core/src/luan/modules/UrlCall.java@b669cdaf54b7
children
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Franklin Schmidt <fschmidt@gmail.com>
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1 // not used, just for reference
Franklin Schmidt <fschmidt@gmail.com>
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2
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3 package luan.modules.url;
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4
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5 import java.io.InputStream;
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6 import java.io.InputStreamReader;
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7 import java.io.OutputStream;
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8 import java.io.Reader;
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9 import java.io.IOException;
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10 import java.net.URLConnection;
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11 import java.net.HttpURLConnection;
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12 import java.net.URL;
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13 import java.util.Map;
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14 import java.util.HashMap;
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15 import luan.modules.Utils;
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17
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18 public final class UrlCall {
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19 public final URLConnection connection;
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20
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21 public UrlCall(String url) throws IOException {
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22 this(new URL(url));
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23 }
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24
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25 public UrlCall(URL url) throws IOException {
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26 connection = url.openConnection();
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27 }
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29 public void acceptJson() {
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30 connection.setRequestProperty("accept","application/json");
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31 }
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32
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33 public String get() throws IOException {
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34 Reader in = new InputStreamReader(connection.getInputStream());
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35 String rtn = Utils.readAll(in);
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36 in.close();
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37 return rtn;
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38 }
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39
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40 public String post(String content,String contentType) throws IOException {
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41 HttpURLConnection connection = (HttpURLConnection)this.connection;
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42
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43 connection.setRequestProperty("Content-type",contentType);
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44 connection.setDoOutput(true);
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45 connection.setRequestMethod("POST");
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46
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47 byte[] post = content.getBytes();
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48 connection.setRequestProperty("Content-Length",Integer.toString(post.length));
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49 OutputStream out = connection.getOutputStream();
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50 out.write(post);
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51 out.flush();
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52
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53 Reader in;
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54 try {
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55 in = new InputStreamReader(connection.getInputStream());
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56 } catch(IOException e) {
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57 InputStream is = connection.getErrorStream();
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58 if( is == null )
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59 throw e;
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60 in = new InputStreamReader(is);
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61 String msg = Utils.readAll(in);
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62 in.close();
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63 throw new UrlCallException(msg,e);
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64 }
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65 String rtn = Utils.readAll(in);
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66 in.close();
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67 out.close();
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68 return rtn;
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69 }
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71 public String post(String content) throws IOException {
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72 return post(content,"application/x-www-form-urlencoded");
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73 }
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75 public String postJson(String content) throws IOException {
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76 return post(content,"application/json");
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77 }
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78
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79 public static final class UrlCallException extends IOException {
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80 UrlCallException(String msg,IOException e) {
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81 super(msg,e);
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82 }
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83 }
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84 }