Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/DefaultCallMeta.java @ 92:73d0ebae81d7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Last bunch of javadoc artifacts/trunk@848 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 28 Mar 2010 14:16:05 +0000
parents 730ff077a58c
children e27cf9c84eb8
rev   line source
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.artifactdatabase;
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
49
823850c63d95 Convenience method in call meta to get preferred language.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
3 import java.util.Locale;
823850c63d95 Convenience method in call meta to get preferred language.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
4
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 import de.intevation.artifacts.CallMeta;
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 import de.intevation.artifacts.PreferredLocale;
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 /**
87
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
9 * Default implementation of CallMeta. It provides a list of
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
10 * preferred langauages and implements an intersection mechanism
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
11 * to figure out the best matching language given a list of server
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
12 * provided languages.
77
48d1a9a082c2 Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 51
diff changeset
13 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14 */
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 public class DefaultCallMeta
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 implements CallMeta
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 {
87
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
18 /**
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
19 * The list of preferred languages.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
20 */
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 protected PreferredLocale [] languages;
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22
87
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
23 /**
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
24 * Default constructor.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
25 */
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 public DefaultCallMeta() {
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 }
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28
87
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
29 /**
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
30 * Creates new DefaultCallMeta with a given list of languages.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
31 * @param languages The list of preferred languages.
0f48188a6e02 Added some javadoc to the artifactdatabase module. Not done yet.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 77
diff changeset
32 */
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 public DefaultCallMeta(PreferredLocale [] languages) {
51
3a668da76463 Fixed problem with non-initialized languages in call meta.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 50
diff changeset
34 this.languages = languages;
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 }
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 public PreferredLocale [] getLanguages() {
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 return languages;
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 }
49
823850c63d95 Convenience method in call meta to get preferred language.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
40
823850c63d95 Convenience method in call meta to get preferred language.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
41 public Locale getPreferredLocale(Locale [] locales) {
823850c63d95 Convenience method in call meta to get preferred language.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
42 if (locales == null || locales.length == 0) {
823850c63d95 Convenience method in call meta to get preferred language.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
43 return null;
823850c63d95 Convenience method in call meta to get preferred language.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
44 }
823850c63d95 Convenience method in call meta to get preferred language.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
45
50
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
46 Locale best = null;
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
47 float quality = -Float.MAX_VALUE;
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
48
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
49 for (int i = 0; i < locales.length; ++i) {
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
50 Locale wish = locales[i];
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
51 String wishLanguage = wish.getLanguage();
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
52
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
53 for (int j = 0; j < languages.length; ++j) {
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
54 PreferredLocale have = languages[j];
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
55 Locale haveLocale = have.getLocale();
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
56 if (haveLocale.getLanguage().equals(wishLanguage)) {
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
57 float haveQuality = have.getQuality();
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
58 if (haveQuality > quality) {
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
59 quality = haveQuality;
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
60 best = wish;
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
61 }
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
62 break; // Languages should not contain
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
63 // same locale twice.
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
64 }
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
65 }
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
66 }
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
67
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
68 return best == null
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
69 ? locales[0]
0b04fa8a19c6 Better implementation for fetching the preferred locale via meta of call context.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 49
diff changeset
70 : best;
49
823850c63d95 Convenience method in call meta to get preferred language.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
71 }
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
72 }
91
730ff077a58c More javadoc, some code formatting.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 87
diff changeset
73 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org