Mercurial > dive4elements > framework
comparison artifact-database/src/main/java/de/intevation/artifactdatabase/DefaultArtifactFactory.java @ 10:e8626caac353
* Made Artifact life cycle symmetric: setup/endOfLife.
* Implement defaults for Artifact and ArtifactFactory.
* Added connection pooling from apache commons dbcp
* Made sql schema of artifact database more compatible.
* Improve example config.
* Made artifactdb start with 'mvn exec:exec'
* minor fixes.
artifacts/trunk@25 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Sun, 06 Sep 2009 12:00:56 +0000 |
| parents | |
| children | 5a6b6a3debc7 |
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| 9:a5a279a0ee35 | 10:e8626caac353 |
|---|---|
| 1 package de.intevation.artifactdatabase; | |
| 2 | |
| 3 import org.w3c.dom.Document; | |
| 4 import org.w3c.dom.Node; | |
| 5 | |
| 6 import de.intevation.artifacts.ArtifactFactory; | |
| 7 import de.intevation.artifacts.Artifact; | |
| 8 | |
| 9 public class DefaultArtifactFactory | |
| 10 implements ArtifactFactory | |
| 11 { | |
| 12 public static final String XPATH_TTL = "@ttl"; | |
| 13 public static final String XPATH_NAME = "@name"; | |
| 14 public static final String XPATH_DESCRIPTION = "@description"; | |
| 15 public static final String XPATH_ARTIFACT = "@artifact"; | |
| 16 | |
| 17 public static final String DEFAULT_DESCRIPTION = | |
| 18 "No description available"; | |
| 19 | |
| 20 public static final String DEFAULT_ARTIFACT = | |
| 21 "de.intevation.artifactdatabase.DefaultArtifact"; | |
| 22 | |
| 23 protected Long ttl; | |
| 24 | |
| 25 protected String name; | |
| 26 | |
| 27 protected String description; | |
| 28 | |
| 29 protected Class artifactClass; | |
| 30 | |
| 31 public DefaultArtifactFactory() { | |
| 32 } | |
| 33 | |
| 34 public String getName() { | |
| 35 return name; | |
| 36 } | |
| 37 | |
| 38 public String getDescription() { | |
| 39 return description; | |
| 40 } | |
| 41 | |
| 42 public Artifact createArtifact(String identifier, Object context) { | |
| 43 | |
| 44 try { | |
| 45 Artifact artifact = | |
| 46 (Artifact)artifactClass.newInstance(); | |
| 47 | |
| 48 artifact.setup(identifier, context); | |
| 49 | |
| 50 return artifact; | |
| 51 } | |
| 52 catch (InstantiationException ie) { | |
| 53 ie.printStackTrace(System.err); | |
| 54 } | |
| 55 catch (IllegalAccessException iae) { | |
| 56 iae.printStackTrace(System.err); | |
| 57 } | |
| 58 catch (ClassCastException cce) { | |
| 59 cce.printStackTrace(System.err); | |
| 60 } | |
| 61 | |
| 62 return null; | |
| 63 } | |
| 64 | |
| 65 public void setup(Document document, Node factoryNode) { | |
| 66 | |
| 67 String ttlString = Config.getStringXPath(factoryNode, XPATH_TTL); | |
| 68 if (ttlString != null) { | |
| 69 try { | |
| 70 ttl = Long.valueOf(ttlString); | |
| 71 } | |
| 72 catch (NumberFormatException nfe) { | |
| 73 nfe.printStackTrace(System.err); | |
| 74 } | |
| 75 } | |
| 76 | |
| 77 description = Config.getStringXPath( | |
| 78 factoryNode, XPATH_DESCRIPTION, DEFAULT_DESCRIPTION); | |
| 79 | |
| 80 name = Config.getStringXPath( | |
| 81 factoryNode, XPATH_NAME, toString()); | |
| 82 | |
| 83 String artifact = Config.getStringXPath( | |
| 84 factoryNode, XPATH_ARTIFACT, DEFAULT_ARTIFACT); | |
| 85 | |
| 86 try { | |
| 87 artifactClass = Class.forName(artifact); | |
| 88 } | |
| 89 catch (ClassNotFoundException cnfe) { | |
| 90 cnfe.printStackTrace(System.err); | |
| 91 } | |
| 92 | |
| 93 if (artifactClass == null) { | |
| 94 artifactClass = DefaultArtifact.class; | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 public Long timeToLiveUntouched(Artifact artifact, Object context) { | |
| 99 return ttl; | |
| 100 } | |
| 101 } | |
| 102 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: |