Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/server/ModuleServiceImpl.java @ 5721:280093510e1d 3.0.0
Also java encode the info side of the data table
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Mon, 15 Apr 2013 18:41:32 +0200 |
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1 package de.intevation.flys.client.server; |
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2 |
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3 import de.intevation.artifacts.common.ArtifactNamespaceContext; |
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4 import de.intevation.artifacts.common.utils.XMLUtils; |
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5 import de.intevation.artifacts.httpclient.exceptions.ConnectionException; |
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6 import de.intevation.artifacts.httpclient.http.HttpClient; |
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7 import de.intevation.artifacts.httpclient.http.HttpClientImpl; |
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8 import de.intevation.flys.client.client.services.ModuleService; |
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9 import de.intevation.flys.client.server.auth.User; |
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10 import de.intevation.flys.client.shared.exceptions.ServerException; |
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11 import de.intevation.flys.client.shared.model.DefaultModule; |
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12 import de.intevation.flys.client.shared.model.Module; |
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13 |
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14 import java.util.ArrayList; |
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15 import java.util.List; |
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16 |
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17 import javax.xml.xpath.XPathConstants; |
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18 |
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19 import org.apache.log4j.Logger; |
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20 import org.w3c.dom.Document; |
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21 import org.w3c.dom.Element; |
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22 import org.w3c.dom.NodeList; |
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23 |
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24 public class ModuleServiceImpl |
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25 extends RemoteServiceServlet |
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26 implements ModuleService |
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27 { |
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28 private static final Logger logger = |
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29 Logger.getLogger(ModuleServiceImpl.class); |
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30 |
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31 public static final String XPATH_MODULES = "/art:modules/art:module"; |
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32 |
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33 public static final String ERROR_NO_MODULES_FOUND = |
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34 "error_no_module_found"; |
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35 |
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36 @Override |
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37 public Module[] list(String locale) throws ServerException { |
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38 User user = this.getUser(); |
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39 |
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40 logger.info("ModuleService.list"); |
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41 |
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42 String url = getServletContext().getInitParameter("server-url"); |
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43 |
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44 // create dummy xml |
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45 Document doc = XMLUtils.newDocument(); |
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46 |
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47 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( |
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48 doc, |
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49 ArtifactNamespaceContext.NAMESPACE_URI, |
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50 ArtifactNamespaceContext.NAMESPACE_PREFIX); |
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51 |
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52 Element dummy = ec.create("modules"); |
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53 doc.appendChild(dummy); |
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54 |
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55 HttpClient client = new HttpClientImpl(url, locale); |
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56 try { |
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57 Document result = client.callService(url, "modules", doc); |
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58 |
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59 NodeList list = (NodeList) XMLUtils.xpath( |
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60 result, |
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61 XPATH_MODULES, |
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62 XPathConstants.NODESET, |
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63 ArtifactNamespaceContext.INSTANCE); |
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64 |
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65 if (list == null) { |
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66 logger.warn("No modules found."); |
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67 |
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68 throw new ServerException(ERROR_NO_MODULES_FOUND); |
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69 } |
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70 |
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71 int num = list.getLength(); |
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72 |
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73 List<Module> modules = new ArrayList<Module>(list.getLength()); |
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74 for(int i =0; i < num; i++) { |
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75 Element em = (Element)list.item(i); |
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76 String name = em.getAttributeNS( |
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77 ArtifactNamespaceContext.NAMESPACE_URI, "name"); |
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78 String localname = em.getAttributeNS( |
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79 ArtifactNamespaceContext.NAMESPACE_URI, "localname"); |
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80 String strselected = em.getAttributeNS( |
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81 ArtifactNamespaceContext.NAMESPACE_URI, "selected"); |
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82 boolean selected = strselected == null ? false : |
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83 strselected.equalsIgnoreCase("true"); |
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84 logger.debug("Found module " + name + " " + localname); |
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85 if (user == null || user.canUseFeature("module:" + name)) { |
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86 modules.add(new DefaultModule(name, localname, selected)); |
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87 } |
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88 } |
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89 return modules.toArray(new Module[modules.size()]); |
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90 } |
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91 catch (ConnectionException ce) { |
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92 logger.error(ce, ce); |
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93 } |
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94 |
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95 throw new ServerException(ERROR_NO_MODULES_FOUND); |
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96 } |
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97 } |
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98 |
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99 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 tw=80 : |