Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/DischargeInfoService.java @ 4641:f3325079dacc

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Improve the up and down arrows in the theme navigation panel Don't stretch the arrow icons and fit to their actual size. Also put the up buttons on the left and the down buttons on the right.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 04 Dec 2012 16:16:43 +0100
parents 5b8919ef601d
children
rev   line source
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2966787b5188 Added service for discharge infos at a specific gauge.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
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1 package de.intevation.flys.artifacts.services;
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2
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parents: 4115
diff changeset
3 import java.util.Collections;
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4 import java.util.List;
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5 import java.util.Date;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import org.w3c.dom.Document;
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Raimund Renkert <raimund.renkert@intevation.de>
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10 import org.w3c.dom.Element;
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11
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12 import de.intevation.artifacts.CallMeta;
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13 import de.intevation.artifacts.GlobalContext;
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14
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15 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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16 import de.intevation.artifacts.common.utils.XMLUtils;
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17
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18 import de.intevation.flys.artifacts.model.DischargeTables;
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19 import de.intevation.flys.model.Gauge;
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20 import de.intevation.flys.model.DischargeTable;
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21 import de.intevation.flys.model.TimeInterval;
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22
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23 /**
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24 * This service provides information about discharges at a defined gauge.
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25 *
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26 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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27 */
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28 public class DischargeInfoService extends FLYSService {
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29
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30 /** The logger used in this service. */
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31 private static Logger logger = Logger.getLogger(DischargeInfoService.class);
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32
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33 public static final String GAUGE_XPATH = "/art:gauge/text()";
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34
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35 public DischargeInfoService() {
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36 }
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37
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38
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39 @Override
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40 public Document doProcess(
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41 Document data,
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42 GlobalContext globalContext,
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43 CallMeta callMeta
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44 ) {
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45 logger.debug("DischargeInfoService.process");
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46 logger.debug(XMLUtils.toString(data));
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47
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48 String gaugeNumber = XMLUtils.xpathString(
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49 data, GAUGE_XPATH, ArtifactNamespaceContext.INSTANCE);
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50
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51 if(gaugeNumber == null ||
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52 (gaugeNumber = gaugeNumber.trim()).length() == 0) {
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53 logger.warn("No gauge specified. Cannot return discharge info.");
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54 return XMLUtils.newDocument();
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55 }
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56
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57 logger.debug("Getting discharge for gauge: " + gaugeNumber);
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58
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59 long gn;
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60 try {
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61 gn = Long.parseLong(gaugeNumber);
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62 }
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63 catch (NumberFormatException nfe) {
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64 logger.warn("Invalid gauge number. Cannot return discharg info.");
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65 return XMLUtils.newDocument();
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66 }
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67
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68 Gauge gauge = Gauge.getGaugeByOfficialNumber(gn);
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69
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70 logger.debug("Found gauge: " + gauge.getName());
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71
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72 return buildDocument(gauge);
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73 }
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74
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75
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76 protected Document buildDocument(Gauge gauge) {
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77 Document result = XMLUtils.newDocument();
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78
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79 List<DischargeTable> tables =gauge.getDischargeTables();
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80 Collections.sort(tables);
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81
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82 Element all = result.createElement("discharges");
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83 for (DischargeTable dt: tables) {
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84 Element discharge = result.createElement("discharge");
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85 discharge.setAttribute("description", dt.getDescription());
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86
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87 // Get time interval.
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88 TimeInterval ti = dt.getTimeInterval();
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89
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90 if (ti == null) {
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91 logger.warn("DischargeTable has no TimeInterval set!");
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92 continue;
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93 }
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94
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95 Date startTime = ti.getStartTime();
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96 Date stopTime = ti.getStopTime();
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97
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98 if (startTime != null) {
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99 discharge.setAttribute("start", String.valueOf(startTime.getTime()));
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100 }
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101 else {
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102 continue;
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103 }
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104
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105 if (stopTime != null && dt.getKind() != DischargeTables.MASTER) {
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106 discharge.setAttribute("end", String.valueOf(stopTime.getTime()));
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107 }
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108 else if (dt.getKind() == DischargeTables.MASTER) {
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109 long now = System.currentTimeMillis();
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110 discharge.setAttribute("end", String.valueOf(now));
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111 }
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112 else {
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113 continue;
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114 }
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115
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116 all.appendChild(discharge);
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117 }
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118 result.appendChild(all);
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119 return result;
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120 }
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121 }
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122 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org