Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/BedKMChartServiceImpl.java @ 5200:42bb6ff78d1b 2.9.11

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Directly set the connectionInitSqls on the datasource Somehow the factory fails to set the connectionInitSqls if we add it to the dbcpProperties. So we now set it directly
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 08 Mar 2013 11:48:33 +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>
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1 package de.intevation.flys.client.server;
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2
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Raimund Renkert <raimund.renkert@intevation.de>
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3 import java.io.IOException;
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Raimund Renkert <raimund.renkert@intevation.de>
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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
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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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13 import org.w3c.dom.Element;
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14 import org.w3c.dom.NodeList;
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15
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Raimund Renkert <raimund.renkert@intevation.de>
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16 import de.intevation.artifacts.common.utils.XMLUtils;
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Raimund Renkert <raimund.renkert@intevation.de>
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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;
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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
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Raimund Renkert <raimund.renkert@intevation.de>
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26 public static final String SERVICE_NAME = "bed-km-chart";
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27
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Raimund Renkert <raimund.renkert@intevation.de>
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28 public BedKMChartServiceImpl() {
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29 }
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30
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Raimund Renkert <raimund.renkert@intevation.de>
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31 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
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32
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33 log.info("BedKMChartServiceImpl.doGet");
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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
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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
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40 log.warn("Missing 'filter' parameter.");
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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
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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";
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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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50 if (filterDoc == null) {
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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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53 }
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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
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57 try {
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58 HttpClient client = new HttpClientImpl(url, locale);
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59 in = (InputStream)client.callService(
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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 }
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Raimund Renkert <raimund.renkert@intevation.de>
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65 catch (ConnectionException ce) {
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66 log.error(ce);
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Raimund Renkert <raimund.renkert@intevation.de>
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67 return;
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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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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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86 try { in.close(); }
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87 catch (IOException ioe) { /* ignored */ }
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88 }
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89 }
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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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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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97 if (formats.getLength() > 0) {
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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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101 }
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102 }
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103
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104 return "image/" + format;
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105 }
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106 }
http://dive4elements.wald.intevation.org