Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/server/DynamicMainValuesTimeRangeDeterminationServiceImpl.java @ 9709:b74f817435fe
comment removed
| author | dnt_bjoernsen <d.tironi@bjoernsen.de> |
|---|---|
| date | Wed, 27 Jan 2021 11:47:38 +0100 |
| parents | 0fb76f2d4e5b |
| children |
| rev | line source |
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| 9404 | 1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
| 2 * Software engineering by Intevation GmbH | |
| 3 * | |
| 4 * This file is Free Software under the GNU AGPL (>=v3) | |
| 5 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
| 6 * documentation coming with Dive4Elements River for details. | |
| 7 */ | |
| 8 | |
| 9 package org.dive4elements.river.client.server; | |
| 10 | |
| 11 import java.util.ArrayList; | |
| 12 import java.util.Date; | |
| 13 import java.util.List; | |
| 14 | |
| 15 import org.dive4elements.artifacts.common.ArtifactNamespaceContext; | |
| 16 import org.dive4elements.artifacts.common.utils.XMLUtils; | |
| 17 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException; | |
| 18 import org.dive4elements.artifacts.httpclient.http.HttpClient; | |
| 19 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl; | |
| 20 import org.dive4elements.river.client.client.services.DynamicMainValuesTimeRangeDeterminationService; | |
| 21 import org.dive4elements.river.client.shared.exceptions.ServerException; | |
| 22 import org.dive4elements.river.client.shared.model.GaugeInfoObject; | |
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23 import org.dive4elements.river.client.shared.model.GaugeInfoResult; |
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24 import org.dive4elements.river.client.shared.model.GaugeInfoResultImpl; |
| 9404 | 25 import org.w3c.dom.Document; |
| 26 import org.w3c.dom.Element; | |
| 27 import org.w3c.dom.NamedNodeMap; | |
| 28 import org.w3c.dom.Node; | |
| 29 import org.w3c.dom.NodeList; | |
| 30 | |
| 31 /** | |
| 32 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 33 */ | |
| 34 public class DynamicMainValuesTimeRangeDeterminationServiceImpl extends RemoteServiceServlet implements DynamicMainValuesTimeRangeDeterminationService { | |
| 35 private static final long serialVersionUID = 1L; | |
| 36 | |
| 37 private static final String XPATH_ROOT = "dynamic-mainvalues-input"; | |
| 38 private String globalErrorMsg = null; | |
| 39 | |
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40 private GaugeInfoResult callService(final String serviceName, final Document input, final String locale) throws ServerException { |
| 9404 | 41 final String url = getServletContext().getInitParameter("server-url"); |
| 42 | |
| 43 final HttpClient client = new HttpClientImpl(url, locale); | |
| 44 | |
| 45 try { | |
| 46 final Document result = client.callService(url, serviceName, input); | |
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47 return extractDates(result); |
| 9404 | 48 } |
| 49 catch (final ConnectionException ce) { | |
| 50 // log.error(ce, ce); | |
| 51 } | |
| 52 | |
| 53 throw new ServerException("error_no_wqinput_found"); | |
| 54 } | |
| 55 | |
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56 private GaugeInfoResult extractDates(final Document result) throws ServerException { |
| 9404 | 57 final List<GaugeInfoObject> results = new ArrayList<GaugeInfoObject>(); |
| 58 final NodeList list = result.getChildNodes(); | |
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59 final List<GaugeInfoObject> gauges = new ArrayList<GaugeInfoObject>(); |
| 9404 | 60 |
| 61 if (list != null && list.getLength() == 1) { | |
| 62 // log.warn("No wq info found."); | |
| 63 final Node nodes = list.item(0); | |
| 64 final NodeList childNodes = nodes.getChildNodes(); | |
| 65 for (int i = 0; i < childNodes.getLength(); i++) { | |
| 66 final Node node = childNodes.item(i); | |
| 67 if (node.getLocalName().equals("global-error-msg")) { | |
| 68 this.globalErrorMsg = node.getTextContent(); | |
| 69 } else { // name equals gauge | |
| 70 | |
| 71 final NamedNodeMap map = node.getAttributes(); | |
| 72 final String gaugeName = getStringFromMap("name", map); | |
| 73 final String error = getStringFromMap("error-message", map); | |
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74 final GaugeInfoObject gi = new GaugeInfoObject(gaugeName, error, getDateFromMap("date-from", map), getDateFromMap("date-to", map)); |
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75 // results.add(gi); |
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76 gauges.add(gi); |
| 9404 | 77 } |
| 78 } | |
| 79 | |
| 80 } | |
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81 |
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82 return new GaugeInfoResultImpl(this.globalErrorMsg, gauges.toArray(new GaugeInfoObject[gauges.size()])); |
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83 |
| 9404 | 84 } |
| 85 | |
| 86 private Date getDateFromMap(final String attrName, final NamedNodeMap map) { | |
| 87 final Node dateNode = map.getNamedItem(attrName); | |
| 88 if (dateNode != null) | |
| 89 return new Date(Long.parseLong(dateNode.getNodeValue())); // errorHandling? Dürfte eigentlich keine Parse-Probleme bekommen! | |
| 90 return null; | |
| 91 } | |
| 92 | |
| 93 private String getStringFromMap(final String attrName, final NamedNodeMap map) { | |
| 94 final Node node = map.getNamedItem(attrName); | |
| 95 if (node != null) | |
| 96 return node.getNodeValue(); | |
| 97 return null; | |
| 98 } | |
| 99 | |
| 100 @Override | |
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101 public GaugeInfoResult getGaugeInfo(final String locale, final String river, final String[] gauges, final int startYear, final int endYear) |
| 9404 | 102 throws ServerException { |
| 103 | |
| 104 final Document input = createInput(river, gauges, startYear, endYear); | |
| 105 | |
| 106 return callService("dynamicMainvaluesTimeRangeDetermination", input, locale); | |
| 107 | |
| 108 } | |
| 109 | |
| 110 public static final Document createInput(final String river, final String[] gauges, final int startYear, final int endYear) { | |
| 111 | |
| 112 final Document input = XMLUtils.newDocument(); | |
| 113 | |
| 114 final XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(input, ArtifactNamespaceContext.NAMESPACE_URI, | |
| 115 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 116 | |
| 117 final Element inputElement = ec.create("dynamic-mainvalues-input"); | |
| 118 | |
| 119 final Element riverEl = ec.create("river"); | |
| 120 riverEl.setTextContent(river); | |
| 121 inputElement.appendChild(riverEl); | |
| 122 | |
| 123 for (final String gauge : gauges) { | |
| 124 final Element gaugeEl = ec.create("gauge"); | |
| 125 gaugeEl.setTextContent(gauge); | |
| 126 inputElement.appendChild(gaugeEl); | |
| 127 } | |
| 128 | |
| 129 final Element startYearElement = ec.create("startYear"); | |
| 130 startYearElement.setTextContent(String.valueOf(startYear)); | |
| 131 inputElement.appendChild(startYearElement); | |
| 132 | |
| 133 final Element endYearElement = ec.create("endYear"); | |
| 134 endYearElement.setTextContent(String.valueOf(endYear)); | |
| 135 inputElement.appendChild(endYearElement); | |
| 136 | |
| 137 input.appendChild(inputElement); | |
| 138 | |
| 139 return input; | |
| 140 } | |
| 141 | |
| 142 } |