Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/MetaDataServiceImpl.java @ 278:f33af25b7490

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Datacage: transport rpc result to ui. flys-client/trunk@1905 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 11 May 2011 16:38:54 +0000
parents f4c8ce11df33
children 0fa8bf8a2295
rev   line source
262
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.client.server;
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import java.util.List;
276
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
4 import java.util.ArrayList;
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
5
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
6 import org.w3c.dom.Document;
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
7 import org.w3c.dom.Element;
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
8 import org.w3c.dom.Node;
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
9 import org.w3c.dom.NodeList;
262
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12
276
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
13 import de.intevation.artifacts.common.ArtifactNamespaceContext;
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
14
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
15 import de.intevation.artifacts.common.utils.XMLUtils;
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
16
262
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 import de.intevation.flys.client.shared.exceptions.ServerException;
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 import de.intevation.flys.client.client.services.MetaDataService;
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20
276
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
21 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
22
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
23 import de.intevation.artifacts.httpclient.http.HttpClient;
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
24 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
25
278
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
26 import de.intevation.flys.client.shared.model.DataCageTree;
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
27 import de.intevation.flys.client.shared.model.DataCageNode;
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
28
262
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29 public class MetaDataServiceImpl
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 extends RemoteServiceServlet
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 implements MetaDataService
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 {
276
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
33 public static final String ERROR_NO_META_DATA_FOUND =
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
34 "error_no_meta_data_found";
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
35
278
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
36 public DataCageTree getMetaData(String url, String locale, String river)
262
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 throws ServerException
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 {
276
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
39 System.out.println("MetaDataService.getDistanceInfo");
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
40
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
41 Document doc = XMLUtils.newDocument();
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
42
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
43 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
44 doc,
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
45 ArtifactNamespaceContext.NAMESPACE_URI,
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
46 ArtifactNamespaceContext.NAMESPACE_PREFIX);
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
47
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
48 Element riverEl = ec.create("river");
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
49
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
50 riverEl.setTextContent(river);
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
51
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
52 doc.appendChild(riverEl);
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
53
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
54 HttpClient client = new HttpClientImpl(url, locale);
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
55
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
56 try {
278
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
57 return convert(client.callService(url, "metadata", doc));
276
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
58 }
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
59 catch (ConnectionException ce) {
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
60 System.err.println(ce.getLocalizedMessage());
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
61 }
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
62
f4c8ce11df33 UI stub for data cage
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 262
diff changeset
63 throw new ServerException(ERROR_NO_META_DATA_FOUND);
262
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64 }
278
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
65
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
66 protected static DataCageNode convert(Node node) {
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
67 String name = node.getLocalName();
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
68 DataCageNode dvn = new DataCageNode(name);
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
69 NodeList children = node.getChildNodes();
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
70 for (int i = 0, N = children.getLength(); i < N; ++i) {
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
71 dvn.addChild(convert(children.item(i)));
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
72 }
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
73 return dvn;
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
74 }
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
75
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
76 protected static DataCageTree convert(Document document) {
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
77 ArrayList<DataCageNode> roots = new ArrayList<DataCageNode>();
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
78 NodeList nodes = document.getChildNodes();
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
79 for (int i = 0, N = nodes.getLength(); i < N; ++i) {
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
80 Node node = nodes.item(i);
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
81 if (node.getNodeType() == Node.ELEMENT_NODE) {
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
82 roots.add(convert(nodes.item(i)));
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
83 }
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
84 }
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
85 return new DataCageTree(roots.get(0));
f33af25b7490 Datacage: transport rpc result to ui.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 276
diff changeset
86 }
262
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
87 }
44a340c9becc Added stub for meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org