Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/MetaDataService.java @ 950:22bc87a42a0d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
First step to factor out the "Datenkorb" logic into a service independent singleton. flys-artifacts/trunk@2367 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 20 Jul 2011 09:56:39 +0000
parents 0881cd4be773
children a63d79107289
rev   line source
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.services;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import java.sql.Connection;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4 import java.sql.SQLException;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 import org.w3c.dom.Document;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 import org.apache.log4j.Logger;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9
415
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
10 import java.util.Map;
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
11 import java.util.HashMap;
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
12
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 import de.intevation.artifacts.CallMeta;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 import de.intevation.artifactdatabase.DefaultService;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 import de.intevation.artifacts.common.utils.XMLUtils;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18
421
24b53f9aa9dc MetaDataService: Make incoming XML symmetric to DistanceInfoService.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 415
diff changeset
19 import de.intevation.artifacts.common.ArtifactNamespaceContext;
24b53f9aa9dc MetaDataService: Make incoming XML symmetric to DistanceInfoService.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 415
diff changeset
20
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 import de.intevation.flys.artifacts.services.meta.Builder;
950
22bc87a42a0d First step to factor out the "Datenkorb" logic into a service independent singleton.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 948
diff changeset
22 import de.intevation.flys.artifacts.services.meta.DataCage;
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24 import de.intevation.flys.backend.SessionHolder;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 import org.hibernate.Session;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 import org.hibernate.jdbc.Work;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 public class MetaDataService
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 extends DefaultService
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 {
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 private static Logger log = Logger.getLogger(MetaDataService.class);
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34
421
24b53f9aa9dc MetaDataService: Make incoming XML symmetric to DistanceInfoService.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 415
diff changeset
35 public static final String XPATH_RIVER = "/art:river/text()";
415
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
36
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 public MetaDataService() {
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 }
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39
415
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
40 protected static Map<String, Object> extractParameters(Document data) {
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
41 HashMap<String, Object> parameters = new HashMap<String, Object>();
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
42
421
24b53f9aa9dc MetaDataService: Make incoming XML symmetric to DistanceInfoService.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 415
diff changeset
43 String river = XMLUtils.xpathString(
24b53f9aa9dc MetaDataService: Make incoming XML symmetric to DistanceInfoService.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 415
diff changeset
44 data, XPATH_RIVER, ArtifactNamespaceContext.INSTANCE);
415
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
45
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
46 if (river == null || (river = river.trim()).length() == 0) {
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
47 river = "%"; // matches all rivers
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
48 }
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
49
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
50 parameters.put("river", river);
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
51
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
52 return parameters;
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
53 }
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
54
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 @Override
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 public Document process(
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 Document data,
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
58 Object globalContext,
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
59 CallMeta callMeta
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 ) {
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61 log.debug("MetaDataService.process");
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63 final Document result = XMLUtils.newDocument();
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64
950
22bc87a42a0d First step to factor out the "Datenkorb" logic into a service independent singleton.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 948
diff changeset
65 final Builder builder = DataCage.getInstance().getBuilder();
22bc87a42a0d First step to factor out the "Datenkorb" logic into a service independent singleton.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 948
diff changeset
66
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
67 if (builder == null) {
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
68 log.error("MetaDataService is not setup properly.");
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
69 return result;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
70 }
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
71
415
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
72 final Map<String, Object> parameters = extractParameters(data);
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
73
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
74 Session session = SessionHolder.acquire();
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
75 try {
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
76 session.doWork(new Work() {
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
77 @Override
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
78 public void execute(Connection connection)
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
79 throws SQLException
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
80 {
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
81 log.debug("MetaDataService.execute");
415
7c018f466d6d Datacage: Added river parameter to meta data services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 372
diff changeset
82 builder.build(connection, result, parameters);
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
83 }
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
84 });
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
85 }
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
86 finally {
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
87 session.close();
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
88 SessionHolder.release();
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
89 }
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
90
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
91 return result;
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
92 }
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
93 }
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
94 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org