Mercurial > dive4elements > river

annotate flys-aft/src/main/java/de/intevation/aft/Notification.java @ 5622:b28a6d05e969

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Add a new mechanism in mapfish print call to add arbitary data maps Data properties are identified by starting with mapfish-data and they are then split in info value pairs where info can be the description of the information and value the value of the information to be transported in the data map.
author Andre Heinecke <aheinecke@intevation.de>
date Tue, 09 Apr 2013 19:04:32 +0200
parents f939e1e6cfa4
children
rev   line source
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da9df3641578 Send XML messages via HTTP POST around if the FLYS database has changed.
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1 package de.intevation.aft;
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2
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3 import de.intevation.utils.XML;
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4
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5 import java.io.IOException;
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6 import java.io.InputStream;
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7 import java.io.OutputStream;
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8
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9 import java.net.HttpURLConnection;
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10 import java.net.URL;
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11 import java.net.URLConnection;
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12
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13 import org.apache.log4j.Logger;
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14
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15 import org.w3c.dom.Document;
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16 import org.w3c.dom.Node;
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17 import org.w3c.dom.NodeList;
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18
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19 public class Notification
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20 {
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21 private static Logger log = Logger.getLogger(Notification.class);
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22
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23 protected Document message;
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24
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25 public Notification() {
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26 }
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27
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28 public Notification(Document message) {
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29 this.message = message;
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30 }
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31
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32 public Notification(Node message) {
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33 this(wrap(message));
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34 }
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35
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36 public static Document wrap(Node node) {
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37 Document document = XML.newDocument();
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38
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39 // Send first element as message.
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40 // Fall back to root node.
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41 Node toImport = node;
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42
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43 NodeList children = node.getChildNodes();
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44 for (int i = 0, N = children.getLength(); i < N; ++i) {
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45 Node child = children.item(i);
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46 if (child.getNodeType() == Node.ELEMENT_NODE) {
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47 toImport = child;
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48 break;
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49 }
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50 }
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51
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52 toImport = document.importNode(toImport, true);
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53 document.appendChild(toImport);
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54 document.normalizeDocument();
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55 return document;
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56 }
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57
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58 public Document sendPOST(URL url) {
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59
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60 OutputStream out = null;
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61 InputStream in = null;
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62 Document result = null;
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63
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64 try {
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65 URLConnection ucon = url.openConnection();
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66
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67 if (!(ucon instanceof HttpURLConnection)) {
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68 log.warn("NOTIFY: '" + url + "' is not an HTTP(S) connection.");
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69 return null;
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70 }
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71
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72 HttpURLConnection con = (HttpURLConnection)ucon;
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73
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74 con.setRequestMethod("POST");
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75 con.setDoInput(true);
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76 con.setDoOutput(true);
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77 con.setUseCaches(false);
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78 con.setRequestProperty("Content-Type", "text/xml");
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79
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80 out = con.getOutputStream();
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81 XML.toStream(message, out);
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82 out.flush();
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83 in = con.getInputStream();
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84 result = XML.parseDocument(in);
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85 }
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86 catch (IOException ioe) {
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87 log.error("NOTIFY: Sending message to '" + url + "' failed.", ioe);
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88 }
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89 finally {
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90 if (out != null) {
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91 try { out.close(); } catch (IOException ioe) {}
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92 }
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93 if (in != null) {
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94 try { in.close(); } catch (IOException ioe) {}
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95 }
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96 }
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97
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98 return result;
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99 }
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100 }
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101 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org