Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/BedKMChartServiceImpl.java @ 4284:7a94d5e7fc3d

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Write the "hidden" attribute of a style into the collection's attribute when using the theme editor. Otherwise, the next time using the theme editor, the hidden attributes that should not be changed by the user are visible.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 29 Oct 2012 07:18:42 +0100
parents f84ed73311f2
children
rev   line source
3705
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.client.server;
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
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2
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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3 import java.io.IOException;
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4 import java.io.InputStream;
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5 import java.io.OutputStream;
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6
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Raimund Renkert <raimund.renkert@intevation.de>
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7 import javax.servlet.http.HttpServlet;
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Raimund Renkert <raimund.renkert@intevation.de>
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8 import javax.servlet.http.HttpServletRequest;
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9 import javax.servlet.http.HttpServletResponse;
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10
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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11 import org.apache.log4j.Logger;
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Raimund Renkert <raimund.renkert@intevation.de>
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12 import org.w3c.dom.Document;
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Raimund Renkert <raimund.renkert@intevation.de>
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13 import org.w3c.dom.Element;
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Raimund Renkert <raimund.renkert@intevation.de>
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14 import org.w3c.dom.NodeList;
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15
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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16 import de.intevation.artifacts.common.utils.XMLUtils;
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17 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
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18 import de.intevation.artifacts.httpclient.http.HttpClient;
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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19 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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20 import de.intevation.artifacts.httpclient.http.response.StreamResponseHandler;
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21
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Raimund Renkert <raimund.renkert@intevation.de>
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22 public class BedKMChartServiceImpl extends HttpServlet {
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23 private static final Logger log =
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24 Logger.getLogger(FixingsKMChartServiceImpl.class);
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25
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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26 public static final String SERVICE_NAME = "bed-km-chart";
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
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27
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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28 public BedKMChartServiceImpl() {
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29 }
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
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30
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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31 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
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32
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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33 log.info("BedKMChartServiceImpl.doGet");
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
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34
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35 String url = getServletContext().getInitParameter("server-url");
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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36 String locale = req.getParameter("locale");
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Raimund Renkert <raimund.renkert@intevation.de>
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37 String filter = req.getParameter("filter");
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
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38
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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39 if (filter == null || filter.length() == 0) {
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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40 log.warn("Missing 'filter' parameter.");
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Raimund Renkert <raimund.renkert@intevation.de>
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41 return;
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Raimund Renkert <raimund.renkert@intevation.de>
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42 }
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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43
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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44 if (locale == null || locale.length() == 0) {
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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45 locale = "de";
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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46 }
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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47
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Raimund Renkert <raimund.renkert@intevation.de>
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48 Document filterDoc = XMLUtils.jsonToXML(filter);
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49
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Raimund Renkert <raimund.renkert@intevation.de>
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50 if (filterDoc == null) {
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
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51 log.warn("Creating filter document failed.");
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Raimund Renkert <raimund.renkert@intevation.de>
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52 return;
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Raimund Renkert <raimund.renkert@intevation.de>
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53 }
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Raimund Renkert <raimund.renkert@intevation.de>
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54
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Raimund Renkert <raimund.renkert@intevation.de>
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55 InputStream in;
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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56
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
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57 try {
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58 HttpClient client = new HttpClientImpl(url, locale);
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Raimund Renkert <raimund.renkert@intevation.de>
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59 in = (InputStream)client.callService(
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
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60 url, // XXX: Why? The URL is passed by construction already.
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61 SERVICE_NAME,
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62 filterDoc,
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Raimund Renkert <raimund.renkert@intevation.de>
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63 new StreamResponseHandler());
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Raimund Renkert <raimund.renkert@intevation.de>
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64 }
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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65 catch (ConnectionException ce) {
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Raimund Renkert <raimund.renkert@intevation.de>
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66 log.error(ce);
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Raimund Renkert <raimund.renkert@intevation.de>
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67 return;
f84ed73311f2 Added UI for minfo bed quality calculation and added new services for overview
Raimund Renkert <raimund.renkert@intevation.de>
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68 }
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69
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Raimund Renkert <raimund.renkert@intevation.de>
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70 resp.setHeader("Content-Type", guessMIMEType(filterDoc));
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71
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72 try {
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73 OutputStream out = resp.getOutputStream();
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74
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75 byte [] buf = new byte[4096];
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76 int i = -1;
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77 while ((i = in.read(buf)) >= 0) {
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78 out.write(buf, 0, i);
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79 }
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Raimund Renkert <raimund.renkert@intevation.de>
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80 out.flush();
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Raimund Renkert <raimund.renkert@intevation.de>
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81 }
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Raimund Renkert <raimund.renkert@intevation.de>
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82 catch (IOException ioe) {
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83 log.error(ioe);
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84 }
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Raimund Renkert <raimund.renkert@intevation.de>
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85 finally {
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Raimund Renkert <raimund.renkert@intevation.de>
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86 try { in.close(); }
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Raimund Renkert <raimund.renkert@intevation.de>
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87 catch (IOException ioe) { /* ignored */ }
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88 }
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Raimund Renkert <raimund.renkert@intevation.de>
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89 }
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Raimund Renkert <raimund.renkert@intevation.de>
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90
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Raimund Renkert <raimund.renkert@intevation.de>
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91 protected static String guessMIMEType(Document document) {
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92
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Raimund Renkert <raimund.renkert@intevation.de>
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93 NodeList formats = document.getElementsByTagName("format");
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94
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95 String format = "png";
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96
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Raimund Renkert <raimund.renkert@intevation.de>
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97 if (formats.getLength() > 0) {
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Raimund Renkert <raimund.renkert@intevation.de>
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98 String type = ((Element)formats.item(0)).getAttribute("type");
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99 if (type.length() > 0) {
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100 format = type;
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Raimund Renkert <raimund.renkert@intevation.de>
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101 }
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Raimund Renkert <raimund.renkert@intevation.de>
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102 }
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Raimund Renkert <raimund.renkert@intevation.de>
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103
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Raimund Renkert <raimund.renkert@intevation.de>
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104 return "image/" + format;
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105 }
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Raimund Renkert <raimund.renkert@intevation.de>
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106 }
http://dive4elements.wald.intevation.org