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1
20 package org.apache.slide.projector;
21
22 import java.io.InputStream  ;
23 import java.lang.reflect.Method ;
24 import java.util.logging.Level ;
25 import java.util.logging.Logger ;
26
27 import org.apache.commons.httpclient.Credentials;
28 import org.apache.commons.httpclient.UsernamePasswordCredentials;
29 import org.apache.slide.projector.i18n.ErrorMessage;
30 import org.apache.slide.projector.repository.Configurable;
31 import org.apache.slide.projector.repository.Repository;
32 import org.jdom.Document;
33 import org.jdom.Element;
34 import org.jdom.input.SAXBuilder;
35
36 public class Projector {
37 private final static Logger logger = Logger.getLogger(Projector.class.getName());
38
39 private static Credentials credentials;
40 private static Repository repository;
41 private static String projectorDir, applicationsDir, workDir;
42
43 public static void configure(InputStream configuration) throws ConfigurationException {
44 logger.log(Level.INFO, "Starting projector");
45 SAXBuilder saxBuilder = new SAXBuilder();
46 try {
47 Document document = saxBuilder.build(configuration);
48 Element credentialsElement = document.getRootElement().getChild("credentials");
49 String user = credentialsElement.getAttributeValue("user");
50 String password = credentialsElement.getAttributeValue("password");
51 credentials = new UsernamePasswordCredentials(user, password);
52 Element repositoryElement = document.getRootElement().getChild("repository");
53 String repositoryClassname = repositoryElement.getAttributeValue("class");
54 Class repositoryClass = Class.forName(repositoryClassname);
55 Method getInstanceMethod = repositoryClass.getMethod("getInstance", new Class [0]);
56 repository = (Repository)getInstanceMethod.invoke(null, null);
57 Element configurationElement = repositoryElement.getChild("configuration");
58 if ( repository instanceof Configurable ) {
59 ((Configurable)repository).configure(configurationElement);
60 }
61 Element pathsElement = repositoryElement.getChild("paths");
62 projectorDir = pathsElement.getChildText("projector");
63 applicationsDir = pathsElement.getChildText("applications");
64 workDir = pathsElement.getChildText("work");
65 } catch (Exception e) {
66 throw new ConfigurationException(new ErrorMessage("projector/configurationFailed"), e);
67 }
68 }
69
70 public static Repository getRepository() {
71 return repository;
72 }
73
74 public static String getApplicationsDir() {
75 return applicationsDir;
76 }
77
78 public static String getProjectorDir() {
79 return projectorDir;
80 }
81
82 public static String getWorkDir() {
83 return workDir;
84 }
85
86 public static Credentials getCredentials() {
87 return credentials;
88 }
89 } |
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