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Merge pull request #13 from futures/context-listener
Initialize the repository on servlet load, or clustering may get unhappy... We will likely go on to DI to deal with this kind of problem, but let's start with what we've got!
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78 changes: 78 additions & 0 deletions
78
src/main/java/org/fcrepo/ffmodeshapeprototype/Bootstrap.java
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package org.fcrepo.ffmodeshapeprototype; | ||
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import org.infinispan.schematic.document.ParsingException; | ||
import org.modeshape.common.SystemFailureException; | ||
import org.modeshape.common.collection.Problems; | ||
import org.modeshape.common.logging.Logger; | ||
import org.modeshape.jcr.ConfigurationException; | ||
import org.modeshape.jcr.JcrRepository; | ||
import org.modeshape.jcr.ModeShapeEngine; | ||
import org.modeshape.jcr.RepositoryConfiguration; | ||
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import javax.jcr.RepositoryException; | ||
import javax.servlet.ServletContext; | ||
import javax.servlet.ServletContextEvent; | ||
import javax.servlet.ServletContextListener; | ||
import java.io.FileNotFoundException; | ||
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public class Bootstrap implements ServletContextListener{ | ||
ServletContext context; | ||
private static JcrRepository repository; | ||
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private static final Logger logger = Logger.getLogger(AbstractResource.class); | ||
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public void contextInitialized(ServletContextEvent contextEvent) { | ||
System.out.println("Context Created"); | ||
context = contextEvent.getServletContext(); | ||
try { | ||
initializeEngine(); | ||
} catch (RepositoryException e) { | ||
throw new java.lang.RuntimeException(e); | ||
} | ||
} | ||
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public void contextDestroyed(ServletContextEvent contextEvent) { | ||
} | ||
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public static JcrRepository getRepository() throws RepositoryException { | ||
if(repository == null) { | ||
initializeEngine(); | ||
} | ||
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return repository; | ||
} | ||
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private static JcrRepository initializeEngine() throws RepositoryException { | ||
RepositoryConfiguration repository_config = null; | ||
try { | ||
repository_config = RepositoryConfiguration | ||
.read("my_repository.json"); | ||
Problems problems = repository_config.validate(); | ||
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if (problems.hasErrors()) { | ||
throw new ConfigurationException(problems, | ||
"Problems starting the engine."); | ||
} | ||
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} catch (ParsingException ex) { | ||
logger.error(ex, null, (Object) null); | ||
} catch (FileNotFoundException ex) { | ||
logger.error(ex, null, (Object) null); | ||
} | ||
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final ModeShapeEngine engine = new ModeShapeEngine(); | ||
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if (engine == null || repository_config == null) { | ||
throw new SystemFailureException("Missing engine"); | ||
} | ||
engine.start(); | ||
repository = engine.deploy(repository_config); | ||
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logger.debug("Deployed repository."); | ||
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return repository; | ||
} | ||
} |
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