Mercurial > dive4elements > river

annotate etl/src/main/java/org/dive4elements/river/etl/aft/Notification.java @ 5841:8bd9b551456c

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Added header to Java files in ETL process.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 17:06:50 +0200
parents 5aa05a7a34b7
children 6f80d5f375fd
rev   line source
5841
8bd9b551456c Added header to Java files in ETL process.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.etl.aft;
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10
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11 import org.dive4elements.river.etl.utils.XML;
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12
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13 import java.io.IOException;
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14 import java.io.InputStream;
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15 import java.io.OutputStream;
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16
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17 import java.net.HttpURLConnection;
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18 import java.net.URL;
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19 import java.net.URLConnection;
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20
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21 import org.apache.log4j.Logger;
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22
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23 import org.w3c.dom.Document;
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24 import org.w3c.dom.Node;
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25 import org.w3c.dom.NodeList;
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26
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27 public class Notification
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28 {
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29 private static Logger log = Logger.getLogger(Notification.class);
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30
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31 protected Document message;
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32
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33 public Notification() {
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34 }
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35
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36 public Notification(Document message) {
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37 this.message = message;
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38 }
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39
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40 public Notification(Node message) {
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41 this(wrap(message));
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42 }
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43
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44 public static Document wrap(Node node) {
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45 Document document = XML.newDocument();
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46
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47 // Send first element as message.
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48 // Fall back to root node.
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49 Node toImport = node;
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50
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51 NodeList children = node.getChildNodes();
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52 for (int i = 0, N = children.getLength(); i < N; ++i) {
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53 Node child = children.item(i);
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54 if (child.getNodeType() == Node.ELEMENT_NODE) {
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55 toImport = child;
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56 break;
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57 }
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58 }
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59
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60 toImport = document.importNode(toImport, true);
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61 document.appendChild(toImport);
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62 document.normalizeDocument();
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63 return document;
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64 }
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65
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66 public Document sendPOST(URL url) {
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67
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68 OutputStream out = null;
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69 InputStream in = null;
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70 Document result = null;
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71
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72 try {
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73 URLConnection ucon = url.openConnection();
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74
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75 if (!(ucon instanceof HttpURLConnection)) {
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76 log.warn("NOTIFY: '" + url + "' is not an HTTP(S) connection.");
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77 return null;
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78 }
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79
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80 HttpURLConnection con = (HttpURLConnection)ucon;
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81
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82 con.setRequestMethod("POST");
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83 con.setDoInput(true);
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84 con.setDoOutput(true);
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85 con.setUseCaches(false);
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86 con.setRequestProperty("Content-Type", "text/xml");
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87
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88 out = con.getOutputStream();
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89 XML.toStream(message, out);
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90 out.flush();
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91 in = con.getInputStream();
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92 result = XML.parseDocument(in);
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93 }
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94 catch (IOException ioe) {
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95 log.error("NOTIFY: Sending message to '" + url + "' failed.", ioe);
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96 }
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97 finally {
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98 if (out != null) {
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99 try { out.close(); } catch (IOException ioe) {}
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100 }
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101 if (in != null) {
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102 try { in.close(); } catch (IOException ioe) {}
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103 }
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104 }
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105
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106 return result;
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107 }
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108 }
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109 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org