Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/server/auth/UserClient.java @ 3505:637d114232b2
Don't use XPath Query to get attribute of a XML Node
flys-client/trunk@5257 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Bjoern Ricks <bjoern.ricks@intevation.de> |
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date | Fri, 24 Aug 2012 10:52:27 +0000 |
parents | 06d999e95615 |
children | f2a4e6e92ffd |
rev | line source |
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1 package de.intevation.flys.client.server.auth; |
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2 |
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3 import javax.xml.xpath.XPathConstants; |
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4 |
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5 import org.apache.log4j.Logger; |
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6 |
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7 import org.w3c.dom.Document; |
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8 import org.w3c.dom.Element; |
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9 import org.w3c.dom.Node; |
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10 import org.w3c.dom.NodeList; |
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11 |
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12 import de.intevation.artifacts.common.ArtifactNamespaceContext; |
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13 import de.intevation.artifacts.common.utils.XMLUtils; |
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14 |
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15 import de.intevation.artifacts.httpclient.exceptions.ConnectionException; |
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16 import de.intevation.artifacts.httpclient.http.HttpClient; |
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17 import de.intevation.artifacts.httpclient.http.HttpClientImpl; |
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18 |
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19 /** |
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20 * UserClient is a class to allow easier communication |
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21 * with the REST based artifact user protocol |
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22 */ |
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23 public class UserClient { |
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24 |
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25 private static final Logger logger = Logger.getLogger(UserClient.class); |
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26 |
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27 private String url; |
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28 |
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29 public UserClient(String url) { |
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30 this.url = url; |
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31 } |
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32 |
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33 public boolean userExists(User user) throws ConnectionException { |
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34 NodeList users = this.listUsers(); |
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35 |
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36 if (users == null || users.getLength() == 0) { |
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37 return false; |
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38 } |
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39 for(int i=0; i < users.getLength(); i++) { |
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40 Element usernode = (Element)users.item(i); |
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41 String name = usernode.getAttributeNS( |
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42 ArtifactNamespaceContext.NAMESPACE_URI, "name"); |
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43 |
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44 if (name.equals(user.getName())) { |
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45 return true; |
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46 } |
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47 } |
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48 return false; |
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49 } |
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50 |
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51 public boolean createUser(User user) throws ConnectionException { |
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52 logger.debug("Creating new user " + user.getName()); |
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53 HttpClient client = new HttpClientImpl(this.url); |
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54 |
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55 Document document = XMLUtils.newDocument(); |
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56 |
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57 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator( |
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58 document, |
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59 ArtifactNamespaceContext.NAMESPACE_URI, |
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60 ArtifactNamespaceContext.NAMESPACE_PREFIX |
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61 ); |
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62 |
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63 Element action = creator.create("action"); |
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64 |
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65 Element type = creator.create("type"); |
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66 type.setAttribute("name", "create"); |
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67 Element artuser = creator.create("user"); |
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68 artuser.setAttribute("name", user.getName()); |
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69 |
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70 //TODO create roles |
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71 action.appendChild(type); |
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72 action.appendChild(artuser); |
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73 document.appendChild(action); |
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74 |
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75 logger.debug("Create user request xml: " + XMLUtils.toString(document)); |
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76 |
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77 Document resp = client.createUser(document); |
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78 |
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79 logger.debug("Create user response xml: " + XMLUtils.toString(resp)); |
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80 |
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81 String XPATH_RESPONSE = "/art:result"; |
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82 Node nresult = (Node) XMLUtils.xpath( |
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83 resp, |
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84 XPATH_RESPONSE, |
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85 XPathConstants.NODE, |
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86 ArtifactNamespaceContext.INSTANCE); |
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87 String result = nresult.getTextContent(); |
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88 return (result != null && result.equalsIgnoreCase("success")); |
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89 } |
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90 |
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91 public NodeList listUsers() throws ConnectionException { |
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92 HttpClient client = new HttpClientImpl(this.url); |
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93 |
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94 Document users = (Document) client.listUsers(); |
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95 |
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96 String XPATH_USERS = "/art:users/art:user"; |
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97 |
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98 return (NodeList) XMLUtils.xpath( |
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99 users, |
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100 XPATH_USERS, |
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101 XPathConstants.NODESET, |
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102 ArtifactNamespaceContext.INSTANCE); |
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103 } |
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104 } |
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105 // vim: set si et fileencoding=utf-8 ts=4 sw=4 tw=80: |
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106 |