Mercurial > dive4elements > river
comparison flys-client/src/main/java/de/intevation/flys/client/server/auth/UserClient.java @ 2984:06d999e95615
Add UserClient class to handle REST communication for user related interfaces.
If a logged in user is not known add him to the database via the REST protocol.
flys-client/trunk@4994 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Bjoern Ricks <bjoern.ricks@intevation.de> |
|---|---|
| date | Fri, 13 Jul 2012 13:38:32 +0000 |
| parents | |
| children | 637d114232b2 |
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| 2983:725470fc57d2 | 2984:06d999e95615 |
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| 1 package de.intevation.flys.client.server.auth; | |
| 2 | |
| 3 import javax.xml.xpath.XPathConstants; | |
| 4 | |
| 5 import org.apache.log4j.Logger; | |
| 6 | |
| 7 import org.w3c.dom.Document; | |
| 8 import org.w3c.dom.Element; | |
| 9 import org.w3c.dom.Node; | |
| 10 import org.w3c.dom.NodeList; | |
| 11 | |
| 12 import de.intevation.artifacts.common.ArtifactNamespaceContext; | |
| 13 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 14 | |
| 15 import de.intevation.artifacts.httpclient.exceptions.ConnectionException; | |
| 16 import de.intevation.artifacts.httpclient.http.HttpClient; | |
| 17 import de.intevation.artifacts.httpclient.http.HttpClientImpl; | |
| 18 | |
| 19 /** | |
| 20 * UserClient is a class to allow easier communication | |
| 21 * with the REST based artifact user protocol | |
| 22 */ | |
| 23 public class UserClient { | |
| 24 | |
| 25 private static final Logger logger = Logger.getLogger(UserClient.class); | |
| 26 | |
| 27 private String url; | |
| 28 | |
| 29 public UserClient(String url) { | |
| 30 this.url = url; | |
| 31 } | |
| 32 | |
| 33 public boolean userExists(User user) throws ConnectionException { | |
| 34 NodeList users = this.listUsers(); | |
| 35 | |
| 36 if (users == null || users.getLength() == 0) { | |
| 37 return false; | |
| 38 } | |
| 39 for(int i=0; i < users.getLength(); i++) { | |
| 40 Node usernode = users.item(i); | |
| 41 String name = XMLUtils.xpathString( | |
| 42 usernode, "@art:name", ArtifactNamespaceContext.INSTANCE); | |
| 43 if (name.equals(user.getName())) { | |
| 44 return true; | |
| 45 } | |
| 46 } | |
| 47 return false; | |
| 48 } | |
| 49 | |
| 50 public boolean createUser(User user) throws ConnectionException { | |
| 51 logger.debug("Creating new user " + user.getName()); | |
| 52 HttpClient client = new HttpClientImpl(this.url); | |
| 53 | |
| 54 Document document = XMLUtils.newDocument(); | |
| 55 | |
| 56 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator( | |
| 57 document, | |
| 58 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 59 ArtifactNamespaceContext.NAMESPACE_PREFIX | |
| 60 ); | |
| 61 | |
| 62 Element action = creator.create("action"); | |
| 63 | |
| 64 Element type = creator.create("type"); | |
| 65 type.setAttribute("name", "create"); | |
| 66 Element artuser = creator.create("user"); | |
| 67 artuser.setAttribute("name", user.getName()); | |
| 68 | |
| 69 //TODO create roles | |
| 70 action.appendChild(type); | |
| 71 action.appendChild(artuser); | |
| 72 document.appendChild(action); | |
| 73 | |
| 74 logger.debug("Create user request xml: " + XMLUtils.toString(document)); | |
| 75 | |
| 76 Document resp = client.createUser(document); | |
| 77 | |
| 78 logger.debug("Create user response xml: " + XMLUtils.toString(resp)); | |
| 79 | |
| 80 String XPATH_RESPONSE = "/art:result"; | |
| 81 Node nresult = (Node) XMLUtils.xpath( | |
| 82 resp, | |
| 83 XPATH_RESPONSE, | |
| 84 XPathConstants.NODE, | |
| 85 ArtifactNamespaceContext.INSTANCE); | |
| 86 String result = nresult.getTextContent(); | |
| 87 return (result != null && result.equalsIgnoreCase("success")); | |
| 88 } | |
| 89 | |
| 90 public NodeList listUsers() throws ConnectionException { | |
| 91 HttpClient client = new HttpClientImpl(this.url); | |
| 92 | |
| 93 Document users = (Document) client.listUsers(); | |
| 94 | |
| 95 String XPATH_USERS = "/art:users/art:user"; | |
| 96 | |
| 97 return (NodeList) XMLUtils.xpath( | |
| 98 users, | |
| 99 XPATH_USERS, | |
| 100 XPathConstants.NODESET, | |
| 101 ArtifactNamespaceContext.INSTANCE); | |
| 102 } | |
| 103 } | |
| 104 // vim: set si et fileencoding=utf-8 ts=4 sw=4 tw=80: | |
| 105 |