Mercurial > dive4elements > framework
diff 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 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/artifact-database/src/main/java/de/intevation/artifactdatabase/DefaultArtifactFactory.java Sun Sep 06 12:00:56 2009 +0000 @@ -0,0 +1,102 @@ +package de.intevation.artifactdatabase; + +import org.w3c.dom.Document; +import org.w3c.dom.Node; + +import de.intevation.artifacts.ArtifactFactory; +import de.intevation.artifacts.Artifact; + +public class DefaultArtifactFactory +implements ArtifactFactory +{ + public static final String XPATH_TTL = "@ttl"; + public static final String XPATH_NAME = "@name"; + public static final String XPATH_DESCRIPTION = "@description"; + public static final String XPATH_ARTIFACT = "@artifact"; + + public static final String DEFAULT_DESCRIPTION = + "No description available"; + + public static final String DEFAULT_ARTIFACT = + "de.intevation.artifactdatabase.DefaultArtifact"; + + protected Long ttl; + + protected String name; + + protected String description; + + protected Class artifactClass; + + public DefaultArtifactFactory() { + } + + public String getName() { + return name; + } + + public String getDescription() { + return description; + } + + public Artifact createArtifact(String identifier, Object context) { + + try { + Artifact artifact = + (Artifact)artifactClass.newInstance(); + + artifact.setup(identifier, context); + + return artifact; + } + catch (InstantiationException ie) { + ie.printStackTrace(System.err); + } + catch (IllegalAccessException iae) { + iae.printStackTrace(System.err); + } + catch (ClassCastException cce) { + cce.printStackTrace(System.err); + } + + return null; + } + + public void setup(Document document, Node factoryNode) { + + String ttlString = Config.getStringXPath(factoryNode, XPATH_TTL); + if (ttlString != null) { + try { + ttl = Long.valueOf(ttlString); + } + catch (NumberFormatException nfe) { + nfe.printStackTrace(System.err); + } + } + + description = Config.getStringXPath( + factoryNode, XPATH_DESCRIPTION, DEFAULT_DESCRIPTION); + + name = Config.getStringXPath( + factoryNode, XPATH_NAME, toString()); + + String artifact = Config.getStringXPath( + factoryNode, XPATH_ARTIFACT, DEFAULT_ARTIFACT); + + try { + artifactClass = Class.forName(artifact); + } + catch (ClassNotFoundException cnfe) { + cnfe.printStackTrace(System.err); + } + + if (artifactClass == null) { + artifactClass = DefaultArtifact.class; + } + } + + public Long timeToLiveUntouched(Artifact artifact, Object context) { + return ttl; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: