Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/RiverServiceImpl.java @ 4351:cb1655e87ce6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Doc.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 01 Nov 2012 12:30:07 +0100
parents fed914a42a10
children
rev   line source
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.client.server;
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
2
3540
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
3 import de.intevation.artifacts.common.ArtifactNamespaceContext;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
4 import de.intevation.artifacts.common.utils.XMLUtils;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
5 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
6 import de.intevation.artifacts.httpclient.http.HttpClient;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
7 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
8 import de.intevation.flys.client.client.services.RiverService;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
9 import de.intevation.flys.client.server.auth.User;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
10 import de.intevation.flys.client.shared.exceptions.ServerException;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
11 import de.intevation.flys.client.shared.model.DefaultRiver;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
12 import de.intevation.flys.client.shared.model.River;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
13
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
14 import java.util.ArrayList;
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
15 import java.util.List;
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
16
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
17 import javax.xml.xpath.XPathConstants;
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
18
1367
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 229
diff changeset
19 import org.apache.log4j.Logger;
3540
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
20 import org.w3c.dom.Document;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
21 import org.w3c.dom.Element;
98fac4872ae6 Add missing imports and fix package declaration of RemoteServiceServlet
Christian Lins <christian.lins@intevation.de>
parents: 3496
diff changeset
22 import org.w3c.dom.NodeList;
3492
d45fcf70b994 Don't display not allowed rivers to the user
Bjoern Ricks <bjoern.ricks@intevation.de>
parents: 3379
diff changeset
23
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
24
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
25 /**
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
26 * This interface provides a method to list the supported rivers of the artifact
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
27 * server.
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
28 *
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
29 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
30 */
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
31 public class RiverServiceImpl
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
32 extends RemoteServiceServlet
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
33 implements RiverService
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
34 {
2940
2867a0192aed Cosmetics, whitespaces, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1425
diff changeset
35 /** Private logger. */
1367
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 229
diff changeset
36 private static final Logger logger =
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 229
diff changeset
37 Logger.getLogger(RiverServiceImpl.class);
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 229
diff changeset
38
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
39 /** The XPath string that points to the rivers in the resulting document.*/
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
40 public static final String XPATH_RIVERS = "/art:rivers/art:river";
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
41
217
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
42 /** The error message key that is thrown if an error occured while reading
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
43 * the supported rivers from server.*/
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
44 public static final String ERROR_NO_RIVERS_FOUND = "error_no_rivers_found";
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
45
217
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
46
2940
2867a0192aed Cosmetics, whitespaces, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1425
diff changeset
47 /** Get river list. */
3496
f1814efec714 Replaced another attribute fetching XPath with a simple DOM getAttributeNS() call.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3494
diff changeset
48 @Override
1425
bc06a671ef60 Removed the URL parameter from service calls. The service
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1367
diff changeset
49 public River[] list(String locale)
217
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
50 throws ServerException
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
51 {
1425
bc06a671ef60 Removed the URL parameter from service calls. The service
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1367
diff changeset
52 String url = getServletContext().getInitParameter("server-url");
bc06a671ef60 Removed the URL parameter from service calls. The service
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1367
diff changeset
53
2940
2867a0192aed Cosmetics, whitespaces, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1425
diff changeset
54 Document doc = XMLUtils.newDocument();
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
55
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
56 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
57 doc,
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
58 ArtifactNamespaceContext.NAMESPACE_URI,
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
59 ArtifactNamespaceContext.NAMESPACE_PREFIX);
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
60
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
61 doc.appendChild(ec.create("action"));
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
62
1425
bc06a671ef60 Removed the URL parameter from service calls. The service
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1367
diff changeset
63 HttpClient client = new HttpClientImpl(url, locale);
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
64
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
65 try {
1425
bc06a671ef60 Removed the URL parameter from service calls. The service
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1367
diff changeset
66 Document res = client.callService(url, "rivers", doc);
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
67
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
68 NodeList rivers = (NodeList) XMLUtils.xpath(
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
69 res,
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
70 XPATH_RIVERS,
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
71 XPathConstants.NODESET,
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
72 ArtifactNamespaceContext.INSTANCE);
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
73
217
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
74 if (rivers == null || rivers.getLength() == 0) {
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
75 throw new ServerException(ERROR_NO_RIVERS_FOUND);
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
76 }
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
77
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
78 int count = rivers.getLength();
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
79
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
80 List<River> theRivers = new ArrayList<River>(count);
3492
d45fcf70b994 Don't display not allowed rivers to the user
Bjoern Ricks <bjoern.ricks@intevation.de>
parents: 3379
diff changeset
81 User user = this.getUser();
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
82
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
83 for (int i = 0; i < count; i++) {
3496
f1814efec714 Replaced another attribute fetching XPath with a simple DOM getAttributeNS() call.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3494
diff changeset
84 Element tmp = (Element)rivers.item(i);
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
85
3496
f1814efec714 Replaced another attribute fetching XPath with a simple DOM getAttributeNS() call.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3494
diff changeset
86 String name = tmp.getAttributeNS(
f1814efec714 Replaced another attribute fetching XPath with a simple DOM getAttributeNS() call.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3494
diff changeset
87 ArtifactNamespaceContext.NAMESPACE_URI, "name");
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
88
3496
f1814efec714 Replaced another attribute fetching XPath with a simple DOM getAttributeNS() call.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3494
diff changeset
89 if (name.length() > 0
f1814efec714 Replaced another attribute fetching XPath with a simple DOM getAttributeNS() call.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3494
diff changeset
90 && (user == null || user.canUseFeature("river:" + name))) {
3492
d45fcf70b994 Don't display not allowed rivers to the user
Bjoern Ricks <bjoern.ricks@intevation.de>
parents: 3379
diff changeset
91 theRivers.add(new DefaultRiver(name));
d45fcf70b994 Don't display not allowed rivers to the user
Bjoern Ricks <bjoern.ricks@intevation.de>
parents: 3379
diff changeset
92 }
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
93 }
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
94
3496
f1814efec714 Replaced another attribute fetching XPath with a simple DOM getAttributeNS() call.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3494
diff changeset
95 return theRivers.toArray(new River[theRivers.size()]);
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
96 }
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
97 catch (ConnectionException ce) {
1367
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 229
diff changeset
98 logger.error(ce, ce);
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
99 }
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
100
217
907b61e4d702 Improved the exception handling - added warnings for user authentication errors and errors that occur while fetching supported rivers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 29
diff changeset
101 throw new ServerException(ERROR_NO_RIVERS_FOUND);
29
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
102 }
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
103 }
44c63e7fd0d0 Added a service to list the supported rivers of the artifact server. The FLYS instance serves a method that retrieves this list.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
104 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org