Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/features/XMLFileFeatures.java @ 9726:0a5239a1e46e 3.2.x

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Upgrade to Log4j 2
author Tom Gottfried <tom@intevation.de>
date Wed, 02 Mar 2022 10:26:50 +0100
parents 238fc722f87a
children
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.server.features;
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10
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11 import java.io.FileInputStream;
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12 import java.io.IOException;
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13
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14 import java.util.ArrayList;
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15 import java.util.HashMap;
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16 import java.util.List;
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17 import java.util.Map;
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18
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19 import javax.xml.xpath.XPathConstants;
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20
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21 import org.apache.logging.log4j.Logger;
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22 import org.apache.logging.log4j.LogManager;
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23
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24 import org.w3c.dom.Document;
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25 import org.w3c.dom.Element;
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26 import org.w3c.dom.Node;
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27 import org.w3c.dom.NodeList;
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28
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29 import org.dive4elements.artifacts.common.utils.XMLUtils;
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30
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31 public class XMLFileFeatures implements Features {
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32
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33 private static final Logger log =
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34 LogManager.getLogger(XMLFileFeatures.class);
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35
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36 private Map<String, List<String>> featuremap =
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37 new HashMap<String, List<String>>();
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38
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39 private final static String XPATH_FEATURES = "ftr:feature/child::text()";
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40 private final static String XPATH_ROLES = "/ftr:features/ftr:role";
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41
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42 public XMLFileFeatures(String filename) throws IOException {
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43 FileInputStream finput = new FileInputStream(filename);
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44 log.debug("XMLFileFeatures: " + filename);
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45 try {
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46 Document doc = XMLUtils.parseDocument(finput);
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47
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48 NodeList roles = (NodeList) XMLUtils.xpath(
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49 doc,
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50 XPATH_ROLES,
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51 XPathConstants.NODESET,
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52 FeaturesNamespaceContext.INSTANCE);
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53
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54 for(int i = 0, m = roles.getLength(); i < m; i++) {
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55 Element rolenode = (Element)roles.item(i);
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56
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57 String name = rolenode.getAttribute("name");
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58
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59 log.debug("Found role: " + name);
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60
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61 NodeList features = (NodeList) XMLUtils.xpath(
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62 rolenode,
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63 XPATH_FEATURES,
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64 XPathConstants.NODESET,
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65 FeaturesNamespaceContext.INSTANCE);
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66
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67 if (features == null) {
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68 continue;
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69 }
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70
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71 int N = features.getLength();
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72
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73 if (N > 0) {
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74 List<String> allowed = new ArrayList<String>(N);
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75 for (int j = 0; j < N; j++) {
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76 Node featurenode = features.item(j);
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77 String featurename = featurenode.getNodeValue();
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78
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79 log.debug("Found feature: " + featurename);
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80
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81 allowed.add(featurename);
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82 }
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83 featuremap.put(name, allowed);
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84 }
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85 }
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86 log.debug("Loaded all features");
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87 }
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88 finally {
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89 finput.close();
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90 }
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91 }
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92
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93 @Override
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94 public List<String> getFeatures(List<String> roles) {
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95 List<String> features = new ArrayList<String>();
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96
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97 for (String role: roles) {
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98 List<String> allowed = this.featuremap.get(role);
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99 if (allowed != null) {
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100 features.addAll(allowed);
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101 }
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102 }
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103 return features;
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104 }
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105 }
http://dive4elements.wald.intevation.org