Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/Config.java @ 8:d9aab2df8543

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Correct wrong Checkin artifacts/trunk@22 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Fri, 04 Sep 2009 15:20:28 +0000
parents 8f2de197bce2
children a5a279a0ee35
rev   line source
5
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.artifactdatabase;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import java.io.File;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4 import java.io.IOException;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 import org.w3c.dom.Document;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 import org.w3c.dom.NodeList;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 import org.xml.sax.SAXException;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 import javax.xml.parsers.DocumentBuilderFactory;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 import javax.xml.parsers.ParserConfigurationException;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 import javax.xml.namespace.QName;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 import javax.xml.xpath.XPathFactory;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 import javax.xml.xpath.XPath;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 import javax.xml.xpath.XPathExpressionException;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 import javax.xml.xpath.XPathConstants;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 public final class Config
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23 {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24 public static final String CONFIG_PROPERTY = "artifact.database.config";
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 public static final String CONFIG_DEFAULT = "artifactdb-conf.xml";
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 private static Document config;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 private Config() {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 public static synchronized final Document getConfig() {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 if (config == null) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 config = loadConfig();
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 return config;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 private static Document loadConfig() {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 File file = new File(
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 System.getProperty(CONFIG_PROPERTY, CONFIG_DEFAULT));
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 if (!file.canRead() && !file.isFile()) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 System.err.println("ERROR: cannot read config file '"
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 + file + "'.");
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 return null;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50 try {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 factory.setValidating(false); // XXX: This may change in future.
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 return factory.newDocumentBuilder().parse(file);
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 catch (SAXException se) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 System.err.println("ERROR: while processing XML file '"
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 + file + "'");
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
58 se.printStackTrace(System.err);
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
59 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 catch (ParserConfigurationException pce) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61 System.err.println("ERROR: with XML configuration");
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62 pce.printStackTrace(System.err);
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64 catch (IOException ioe) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
65 System.err.println("ERROR: I/O while processing file '"
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
66 + file + "'");
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
67 ioe.printStackTrace(System.err);
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
68 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
69
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
70 return null;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
71 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
72
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
73 public static final String getStringXPath(String xpath) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
74 return getStringXPath(xpath, null);
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
75 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
76
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
77 public static final String getStringXPath(String query, String def) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
78 String s = (String)getXPath(query, XPathConstants.STRING);
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
79 return s == null || s.length() == 0
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
80 ? def
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
81 : s;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
82 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
83
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
84 public static final Object getXPath(String query, QName returnType) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
85 Document document = getConfig();
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
86 if (document == null) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
87 return null;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
88 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
89
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
90 XPathFactory factory = XPathFactory.newInstance();
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
91 XPath xpath = factory.newXPath();
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
92
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
93 try {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
94 return xpath.evaluate(query, document, returnType);
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
95 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
96 catch (XPathExpressionException xpee) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
97 xpee.printStackTrace(System.err);
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
98 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
99
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
100 return null;
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
101 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
102
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
103 public static final NodeList getNodeSetXPath(String query) {
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
104 return (NodeList)getXPath(query, XPathConstants.NODESET);
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
105 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
106 }
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
107 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
8f2de197bce2 Added config to artifact database and modelled bootstap of artifact factories on top of this.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
108
http://dive4elements.wald.intevation.org