Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/FixingsOverviewServiceImpl.java @ 2505:87ac5c532523

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First part of the UI for fixing analysis parameter. flys-client/trunk@4350 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Mon, 07 May 2012 13:22:43 +0000
parents f905c936ffff
children 256b458cc7ea
rev   line source
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1 package de.intevation.flys.client.server;
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2
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3 import java.util.List;
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4 import java.util.ArrayList;
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5
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6 import org.w3c.dom.Document;
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7 import org.w3c.dom.Node;
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8 import org.w3c.dom.NodeList;
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9
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10 import javax.xml.xpath.XPathConstants;
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11
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12 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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13
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14 import de.intevation.artifacts.common.utils.XMLUtils;
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15
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16 import de.intevation.artifacts.common.utils.XSLTransformer;
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17
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18 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
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19
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20 import de.intevation.artifacts.httpclient.http.HttpClient;
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21 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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22
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23 import de.intevation.flys.client.client.services.FixingsOverviewService;
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24
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25 import de.intevation.flys.client.shared.exceptions.ServerException;
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26
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27 import de.intevation.flys.client.shared.model.FixingsOverviewInfo;
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28 import de.intevation.flys.client.shared.model.FixingsOverviewInfo.FixEvent;
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29 import de.intevation.flys.client.shared.model.FixingsOverviewInfo.Sector;
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30
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31 import java.io.IOException;
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32 import java.io.InputStream;
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33
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34 import org.apache.log4j.Logger;
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35
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36 public class FixingsOverviewServiceImpl
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37 extends RemoteServiceServlet
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38 implements FixingsOverviewService
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39 {
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40 private static final Logger log =
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41 Logger.getLogger(FixingsOverviewServiceImpl.class);
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42
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43 public static final String SERVICE_NAME = "fixings-overview";
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44
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45 public static final String XSL_TRANSFORM =
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46 "/WEB-INF/stylesheets/fixoverview2html.xsl";
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47
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48 protected static final String XPATH_RID = "/fixings/river/@rid";
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49 protected static final String XPATH_RIVER = "/fixings/river/@name";
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50 protected static final String XPATH_RFROM = "/fixings/river/@from";
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51 protected static final String XPATH_RTO = "/fixings/river/@to";
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52
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53 protected static final String XPATH_EVENT = "/fixings/events/event";
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54 protected static final String XPATH_SECTORS = "sector";
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55
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56 protected static final String XPATH_CID = "@cid";
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57 protected static final String XPATH_DATE = "@date";
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58 protected static final String XPATH_NAME = "@name";
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59 protected static final String XPATH_CLS = "@class";
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60 protected static final String XPATH_FROM = "@from";
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61 protected static final String XPATH_TO = "@to";
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62
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63 @Override
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64 public FixingsOverviewInfo generateOverview(
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65 String locale,
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66 String uuid,
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67 String filter,
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68 boolean checkboxes,
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69 String callback
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70 )
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71 throws ServerException
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72 {
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73 log.info("FixingsOverviewServiceImpl.doGet");
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74
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75 if (filter == null || filter.length() == 0) {
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76 log.warn("Missing 'filter' parameter.");
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77 return null;
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78 }
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79
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80 Document filterDoc = XMLUtils.jsonToXML(filter);
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81
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82 if (filterDoc == null) {
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83 log.warn("Creating filter document failed.");
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84 return null;
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85 }
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86
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87 /* filterDoc = XMLUtils.newDocument();
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88 ElementCreator ec = new ElementCreator(filterDoc, null, null);
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89 Element f = ec.create("fixings");
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90 Element r = ec.create("river");
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91 r.setAttribute("name", "Saar");
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92 f.appendChild(r);
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93 filterDoc.appendChild(f);
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94 */
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95 try {
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96 String url = getServletContext().getInitParameter("server-url");
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97 HttpClient client = new HttpClientImpl(url, locale);
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98 Document resultDoc =
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99 client.callService(url, SERVICE_NAME, filterDoc);
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100 FixingsOverviewInfo i = getInfo(resultDoc, uuid, checkboxes, callback);
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101 return i;
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102 }
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103 catch (ConnectionException ce) {
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104 log.error(ce);
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105 }
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106 return null;
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107 }
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108
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109
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110 protected FixingsOverviewInfo getInfo(
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111 Document doc,
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112 String uuid,
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113 boolean checkboxes,
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114 String callback
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115 ) {
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116 InputStream transform =
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117 getServletContext().getResourceAsStream(XSL_TRANSFORM);
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118 XSLTransformer xformer = new XSLTransformer();
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119 xformer.addParameter("project-uuid", uuid);
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120 xformer.addParameter(
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121 "render-checkboxes", checkboxes ? Boolean.TRUE : Boolean.FALSE);
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122 xformer.addParameter("callback", callback);
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123 String result = xformer.transform(doc, transform);
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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124
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Raimund Renkert <raimund.renkert@intevation.de>
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125 try { transform.close(); }
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
126 catch (IOException ioe) {}
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
127
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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128 int rid = -1;
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
129 double from = -1;
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
130 double to = -1;
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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131 String rid_str = XMLUtils.xpathString(doc, XPATH_RID, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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132 String river = XMLUtils.xpathString(doc, XPATH_RIVER, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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133 String from_str = XMLUtils.xpathString(doc, XPATH_RFROM, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
134 String to_str = XMLUtils.xpathString(doc, XPATH_RTO, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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135 try {
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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136 rid = Integer.valueOf(rid_str).intValue();
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
137 from = Double.valueOf(from_str).doubleValue();
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
138 to = Double.valueOf(to_str).doubleValue();
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
139 }
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
140 catch(NumberFormatException nfe) {
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
141 log.warn(nfe, nfe);
2493
f905c936ffff Added the XSL transformation to generate the fixings overview.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2489
diff changeset
142 }
f905c936ffff Added the XSL transformation to generate the fixings overview.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2489
diff changeset
143
2505
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parents: 2493
diff changeset
144 List<FixEvent> fixEvents = getFixEvents(doc);
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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145 return new FixingsOverviewInfo(
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
146 rid,
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
147 river,
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
148 from,
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
149 to,
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
150 fixEvents,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
151 result);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
152 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
153
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
154
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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155 protected List<FixEvent> getFixEvents(Document doc) {
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
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156 NodeList events = (NodeList) XMLUtils.xpath(
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
157 doc,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
158 XPATH_EVENT,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
159 XPathConstants.NODESET,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
160 null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
161
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
162 if (events == null || events.getLength() == 0) {
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
163 log.warn("No events in Overview!");
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
164 return null;
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
165 }
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
166
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
167 List<FixEvent> list =
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
168 new ArrayList<FixEvent>();
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
169 for (int i = 0; i < events.getLength(); i++) {
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
170 Node n = events.item(i);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
171 List<Sector> sectors = getSectors(n);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
172 String cid = XMLUtils.xpathString(n, XPATH_CID, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
173 log.debug("'" + cid + "'");
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
174 String date = XMLUtils.xpathString(n, XPATH_DATE, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
175 String name = XMLUtils.xpathString(n, XPATH_NAME, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
176 list.add(new FixEvent(
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
177 cid,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
178 date,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
179 name,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
180 sectors));
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
181 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
182 return list;
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
183 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
184
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Raimund Renkert <raimund.renkert@intevation.de>
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diff changeset
185 protected List<Sector> getSectors(Node event) {
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
186 NodeList sectors = (NodeList) XMLUtils.xpath(
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
187 event,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
188 XPATH_SECTORS,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
189 XPathConstants.NODESET,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
190 null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
191 if (sectors == null || sectors.getLength() == 0) {
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
192 log.warn("No Sectors in Event!");
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
193 return null;
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
194 }
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
195
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Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
196 List<Sector> list =
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
197 new ArrayList<Sector>();
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
198 for (int i = 0; i < sectors.getLength(); i++) {
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
199 Node n = sectors.item(i);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
200 int cls = -1;
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
201 double from = -1;
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
202 double to = -1;
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
203 String cls_str = XMLUtils.xpathString(n, XPATH_CLS, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
204 String from_str = XMLUtils.xpathString(n, XPATH_FROM, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
205 String to_str = XMLUtils.xpathString(n, XPATH_TO, null);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
206 try {
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
207 cls = Integer.valueOf(cls_str).intValue();
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
208 from = Double.valueOf(from_str).doubleValue();
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
209 to = Double.valueOf(to_str).doubleValue();
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
210 }
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
211 catch(NumberFormatException nfe) {
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
212 log.warn(nfe, nfe);
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
213 }
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
214 list.add(new Sector(
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
215 cls,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
216 from,
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
217 to));
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
218 }
87ac5c532523 First part of the UI for fixing analysis parameter.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2493
diff changeset
219 return list;
2489
2a504b6d9a1b Added stub for fixings overview service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
220 }
2a504b6d9a1b Added stub for fixings overview service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
221 }
2a504b6d9a1b Added stub for fixings overview service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
222 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org