Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/org/dive4elements/river/artifacts/services/DischargeInfoService.java @ 5831:bd047b71ab37
Repaired internal references
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 12:06:39 +0200 |
| parents | flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/DischargeInfoService.java@5b8919ef601d |
| children |
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| 5830:160f53ee0870 | 5831:bd047b71ab37 |
|---|---|
| 1 package org.dive4elements.river.artifacts.services; | |
| 2 | |
| 3 import java.util.Collections; | |
| 4 import java.util.List; | |
| 5 import java.util.Date; | |
| 6 | |
| 7 import org.apache.log4j.Logger; | |
| 8 | |
| 9 import org.w3c.dom.Document; | |
| 10 import org.w3c.dom.Element; | |
| 11 | |
| 12 import org.dive4elements.artifacts.CallMeta; | |
| 13 import org.dive4elements.artifacts.GlobalContext; | |
| 14 | |
| 15 import org.dive4elements.artifacts.common.ArtifactNamespaceContext; | |
| 16 import org.dive4elements.artifacts.common.utils.XMLUtils; | |
| 17 | |
| 18 import org.dive4elements.river.artifacts.model.DischargeTables; | |
| 19 import org.dive4elements.river.model.Gauge; | |
| 20 import org.dive4elements.river.model.DischargeTable; | |
| 21 import org.dive4elements.river.model.TimeInterval; | |
| 22 | |
| 23 /** | |
| 24 * This service provides information about discharges at a defined gauge. | |
| 25 * | |
| 26 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> | |
| 27 */ | |
| 28 public class DischargeInfoService extends FLYSService { | |
| 29 | |
| 30 /** The logger used in this service. */ | |
| 31 private static Logger logger = Logger.getLogger(DischargeInfoService.class); | |
| 32 | |
| 33 public static final String GAUGE_XPATH = "/art:gauge/text()"; | |
| 34 | |
| 35 public DischargeInfoService() { | |
| 36 } | |
| 37 | |
| 38 | |
| 39 @Override | |
| 40 public Document doProcess( | |
| 41 Document data, | |
| 42 GlobalContext globalContext, | |
| 43 CallMeta callMeta | |
| 44 ) { | |
| 45 logger.debug("DischargeInfoService.process"); | |
| 46 logger.debug(XMLUtils.toString(data)); | |
| 47 | |
| 48 String gaugeNumber = XMLUtils.xpathString( | |
| 49 data, GAUGE_XPATH, ArtifactNamespaceContext.INSTANCE); | |
| 50 | |
| 51 if(gaugeNumber == null || | |
| 52 (gaugeNumber = gaugeNumber.trim()).length() == 0) { | |
| 53 logger.warn("No gauge specified. Cannot return discharge info."); | |
| 54 return XMLUtils.newDocument(); | |
| 55 } | |
| 56 | |
| 57 logger.debug("Getting discharge for gauge: " + gaugeNumber); | |
| 58 | |
| 59 long gn; | |
| 60 try { | |
| 61 gn = Long.parseLong(gaugeNumber); | |
| 62 } | |
| 63 catch (NumberFormatException nfe) { | |
| 64 logger.warn("Invalid gauge number. Cannot return discharg info."); | |
| 65 return XMLUtils.newDocument(); | |
| 66 } | |
| 67 | |
| 68 Gauge gauge = Gauge.getGaugeByOfficialNumber(gn); | |
| 69 | |
| 70 logger.debug("Found gauge: " + gauge.getName()); | |
| 71 | |
| 72 return buildDocument(gauge); | |
| 73 } | |
| 74 | |
| 75 | |
| 76 protected Document buildDocument(Gauge gauge) { | |
| 77 Document result = XMLUtils.newDocument(); | |
| 78 | |
| 79 List<DischargeTable> tables =gauge.getDischargeTables(); | |
| 80 Collections.sort(tables); | |
| 81 | |
| 82 Element all = result.createElement("discharges"); | |
| 83 for (DischargeTable dt: tables) { | |
| 84 Element discharge = result.createElement("discharge"); | |
| 85 discharge.setAttribute("description", dt.getDescription()); | |
| 86 | |
| 87 // Get time interval. | |
| 88 TimeInterval ti = dt.getTimeInterval(); | |
| 89 | |
| 90 if (ti == null) { | |
| 91 logger.warn("DischargeTable has no TimeInterval set!"); | |
| 92 continue; | |
| 93 } | |
| 94 | |
| 95 Date startTime = ti.getStartTime(); | |
| 96 Date stopTime = ti.getStopTime(); | |
| 97 | |
| 98 if (startTime != null) { | |
| 99 discharge.setAttribute("start", String.valueOf(startTime.getTime())); | |
| 100 } | |
| 101 else { | |
| 102 continue; | |
| 103 } | |
| 104 | |
| 105 if (stopTime != null && dt.getKind() != DischargeTables.MASTER) { | |
| 106 discharge.setAttribute("end", String.valueOf(stopTime.getTime())); | |
| 107 } | |
| 108 else if (dt.getKind() == DischargeTables.MASTER) { | |
| 109 long now = System.currentTimeMillis(); | |
| 110 discharge.setAttribute("end", String.valueOf(now)); | |
| 111 } | |
| 112 else { | |
| 113 continue; | |
| 114 } | |
| 115 | |
| 116 all.appendChild(discharge); | |
| 117 } | |
| 118 result.appendChild(all); | |
| 119 return result; | |
| 120 } | |
| 121 } | |
| 122 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |