Mercurial > dive4elements > river

comparison gwt-client/src/main/java/org/dive4elements/river/client/server/auth/UserClient.java @ 5838:5aa05a7a34b7

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Rename modules to more fitting names.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 15:23:37 +0200
parents flys-client/src/main/java/org/dive4elements/river/client/server/auth/UserClient.java@821a02bbfb4e
children 172338b1407f
comparison
equal deleted inserted replaced
5837:d9901a08d0a6 5838:5aa05a7a34b7
1 package org.dive4elements.river.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 org.dive4elements.artifacts.common.ArtifactNamespaceContext;
13 import org.dive4elements.artifacts.common.utils.XMLUtils;
14
15 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException;
16 import org.dive4elements.artifacts.httpclient.http.HttpClient;
17 import org.dive4elements.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 if (user == null) {
35 return false;
36 }
37
38 Element data = this.findUser(user);
39
40 String XPATH_USERACCOUNT = "/art:user/art:account/@art:name";
41
42 String account = XMLUtils.xpathString(
43 data, XPATH_USERACCOUNT, ArtifactNamespaceContext.INSTANCE);
44
45 if (account == null) {
46 return false;
47 }
48
49 return account.equals(user.getAccount());
50 }
51
52 public boolean createUser(User user) throws ConnectionException {
53 if(user == null) {
54 logger.warn("createUser: given user is null");
55 return false;
56 }
57
58 logger.debug("Creating new user " + user.getName());
59 HttpClient client = new HttpClientImpl(this.url);
60
61 Document document = XMLUtils.newDocument();
62
63 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
64 document,
65 ArtifactNamespaceContext.NAMESPACE_URI,
66 ArtifactNamespaceContext.NAMESPACE_PREFIX
67 );
68
69 Element action = creator.create("action");
70
71 Element type = creator.create("type");
72 type.setAttribute("name", "create");
73 Element artuser = creator.create("user");
74 artuser.setAttribute("name", user.getName());
75 Element account = creator.create("account");
76 account.setAttribute("name", user.getAccount());
77
78 //TODO create roles
79 artuser.appendChild(account);
80 action.appendChild(type);
81 action.appendChild(artuser);
82 document.appendChild(action);
83
84 logger.debug("Create user request xml: " + XMLUtils.toString(document));
85
86 Document resp = client.createUser(document);
87
88 logger.debug("Create user response xml: " + XMLUtils.toString(resp));
89
90 String XPATH_RESPONSE = "/art:result";
91 Node nresult = (Node) XMLUtils.xpath(
92 resp,
93 XPATH_RESPONSE,
94 XPathConstants.NODE,
95 ArtifactNamespaceContext.INSTANCE);
96 String result = nresult.getTextContent();
97 return (result != null && result.equalsIgnoreCase("success"));
98 }
99
100 public NodeList listUsers() throws ConnectionException {
101 HttpClient client = new HttpClientImpl(this.url);
102
103 Document users = (Document) client.listUsers();
104
105 String XPATH_USERS = "/art:users/art:user";
106
107 return (NodeList) XMLUtils.xpath(
108 users,
109 XPATH_USERS,
110 XPathConstants.NODESET,
111 ArtifactNamespaceContext.INSTANCE);
112 }
113
114 public Element findUser(User user) throws ConnectionException {
115 if(user == null) {
116 throw new IllegalArgumentException("user is null");
117 }
118
119 HttpClient client = new HttpClientImpl(this.url);
120
121 Document document = XMLUtils.newDocument();
122
123 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
124 document,
125 ArtifactNamespaceContext.NAMESPACE_URI,
126 ArtifactNamespaceContext.NAMESPACE_PREFIX
127 );
128
129 Element action = creator.create("action");
130
131 Element type = creator.create("type");
132 type.setAttribute("name", "find");
133 Element account = creator.create("account");
134 account.setAttribute("name", user.getAccount());
135
136 action.appendChild(type);
137 action.appendChild(account);
138 document.appendChild(action);
139
140 boolean debug = logger.isDebugEnabled();
141
142 if (debug) {
143 logger.debug("Find user request xml: " +
144 XMLUtils.toString(document));
145 }
146
147 Document resp = client.findUser(document);
148
149 if (debug) {
150 logger.debug("Find user request response xml: " +
151 XMLUtils.toString(resp));
152 }
153
154 return resp.getDocumentElement();
155 }
156 }
157 // vim: set si et fileencoding=utf-8 ts=4 sw=4 tw=80:
158
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