Mercurial > dive4elements > river
comparison flys-client/src/main/java/org/dive4elements/river/client/server/features/XMLFileFeatures.java @ 5834:f507086aa94b
Repaired internal references.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 12:31:32 +0200 |
| parents | flys-client/src/main/java/de/intevation/flys/client/server/features/XMLFileFeatures.java@02cf2b1dff84 |
| children | 821a02bbfb4e |
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| 5833:a2bdc0f524e8 | 5834:f507086aa94b |
|---|---|
| 1 package de.intevation.flys.client.server.features; | |
| 2 | |
| 3 import java.io.FileInputStream; | |
| 4 import java.io.IOException; | |
| 5 | |
| 6 import java.util.ArrayList; | |
| 7 import java.util.HashMap; | |
| 8 import java.util.List; | |
| 9 import java.util.Map; | |
| 10 | |
| 11 import javax.xml.xpath.XPathConstants; | |
| 12 | |
| 13 import org.apache.log4j.Logger; | |
| 14 | |
| 15 import org.w3c.dom.Document; | |
| 16 import org.w3c.dom.Element; | |
| 17 import org.w3c.dom.Node; | |
| 18 import org.w3c.dom.NodeList; | |
| 19 | |
| 20 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 21 | |
| 22 public class XMLFileFeatures implements Features { | |
| 23 | |
| 24 private static final Logger logger = | |
| 25 Logger.getLogger(XMLFileFeatures.class); | |
| 26 | |
| 27 private Map<String, List<String>> featuremap = | |
| 28 new HashMap<String, List<String>>(); | |
| 29 | |
| 30 private final static String XPATH_FEATURES = "ftr:feature/child::text()"; | |
| 31 private final static String XPATH_ROLES = "/ftr:features/ftr:role"; | |
| 32 | |
| 33 public XMLFileFeatures(String filename) throws IOException { | |
| 34 FileInputStream finput = new FileInputStream(filename); | |
| 35 logger.debug("XMLFileFeatures: " + filename); | |
| 36 try { | |
| 37 Document doc = XMLUtils.parseDocument(finput); | |
| 38 | |
| 39 NodeList roles = (NodeList) XMLUtils.xpath( | |
| 40 doc, | |
| 41 XPATH_ROLES, | |
| 42 XPathConstants.NODESET, | |
| 43 FeaturesNamespaceContext.INSTANCE); | |
| 44 | |
| 45 for(int i = 0, m = roles.getLength(); i < m; i++) { | |
| 46 Element rolenode = (Element)roles.item(i); | |
| 47 | |
| 48 String name = rolenode.getAttribute("name"); | |
| 49 | |
| 50 logger.debug("Found role: " + name); | |
| 51 | |
| 52 NodeList features = (NodeList) XMLUtils.xpath( | |
| 53 rolenode, | |
| 54 XPATH_FEATURES, | |
| 55 XPathConstants.NODESET, | |
| 56 FeaturesNamespaceContext.INSTANCE); | |
| 57 | |
| 58 if (features == null) { | |
| 59 continue; | |
| 60 } | |
| 61 | |
| 62 int N = features.getLength(); | |
| 63 | |
| 64 if (N > 0) { | |
| 65 List<String> allowed = new ArrayList<String>(N); | |
| 66 for (int j = 0; j < N; j++) { | |
| 67 Node featurenode = features.item(j); | |
| 68 String featurename = featurenode.getNodeValue(); | |
| 69 | |
| 70 logger.debug("Found feature: " + featurename); | |
| 71 | |
| 72 allowed.add(featurename); | |
| 73 } | |
| 74 featuremap.put(name, allowed); | |
| 75 } | |
| 76 } | |
| 77 logger.debug("Loaded all features"); | |
| 78 } | |
| 79 finally { | |
| 80 finput.close(); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 @Override | |
| 85 public List<String> getFeatures(List<String> roles) { | |
| 86 List<String> features = new ArrayList<String>(); | |
| 87 | |
| 88 for (String role: roles) { | |
| 89 List<String> allowed = this.featuremap.get(role); | |
| 90 if (allowed != null) { | |
| 91 features.addAll(allowed); | |
| 92 } | |
| 93 } | |
| 94 return features; | |
| 95 } | |
| 96 } |