Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/DefaultServiceFactory.java @ 87:0f48188a6e02

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Added some javadoc to the artifactdatabase module. Not done yet. artifacts/trunk@839 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 26 Mar 2010 11:40:28 +0000
parents 48d1a9a082c2
children d348fe1fd822
rev   line source
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1 package de.intevation.artifactdatabase;
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2
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3 import org.w3c.dom.Document;
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4 import org.w3c.dom.Node;
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5
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6 import de.intevation.artifacts.ServiceFactory;
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7 import de.intevation.artifacts.Service;
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8
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9 import org.apache.log4j.Logger;
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10
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11 /**
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12 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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13 */
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14 public class DefaultServiceFactory
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15 implements ServiceFactory
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16 {
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17 private static Logger logger =
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18 Logger.getLogger(DefaultServiceFactory.class);
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19
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20 public static final String XPATH_NAME = "@name";
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21 public static final String XPATH_DESCRIPTION = "@description";
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22 public static final String XPATH_SERVICE = "@service";
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23
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24 public static final String DEFAULT_DESCRIPTION =
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25 "No description available";
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26
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27 public static final String DEFAULT_SERVICE =
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28 "de.intevation.artifactdatabase.DefaultService";
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29
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30 protected String name;
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31
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32 protected String description;
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33
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34 protected Class serviceClass;
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35
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36 public DefaultServiceFactory() {
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37 }
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38
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39 public String getName() {
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40 return name;
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41 }
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42
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43 public String getDescription() {
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44 return description;
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45 }
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46
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47 public Service createService(Object globalContext) {
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48 try {
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49 Service service = (Service)serviceClass.newInstance();
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50
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51 service.setup(this, globalContext);
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52
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53 return service;
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54 }
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55 catch (InstantiationException ie) {
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56 logger.error(ie.getLocalizedMessage(), ie);
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57 }
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58 catch (IllegalAccessException iae) {
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59 logger.error(iae.getLocalizedMessage(), iae);
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60 }
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61 catch (ClassCastException cce) {
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62 logger.error(cce.getLocalizedMessage(), cce);
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63 }
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64
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65 return null;
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66 }
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67
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68 public void setup(Document config, Node factoryNode) {
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70 description = Config.getStringXPath(
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71 factoryNode, XPATH_DESCRIPTION, DEFAULT_DESCRIPTION);
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72
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73 name = Config.getStringXPath(
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74 factoryNode, XPATH_NAME, toString());
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75
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76 String service = Config.getStringXPath(
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77 factoryNode, XPATH_SERVICE, DEFAULT_SERVICE);
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78
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79 try {
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80 serviceClass = Class.forName(service);
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81 }
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82 catch (ClassNotFoundException cnfe) {
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83 logger.error(cnfe.getLocalizedMessage(), cnfe);
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84 }
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85
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86 if (serviceClass == null) {
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87 serviceClass = DefaultService.class;
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88 }
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89 }
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90 }
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91 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org