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package org.glassfish.ejb.deployment.archive;
import org.glassfish.api.deployment.archive.ArchiveDetector;
import org.glassfish.api.deployment.archive.ArchiveHandler;
import org.glassfish.api.deployment.archive.ArchiveType;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.glassfish.deployment.common.DeploymentUtils;
import org.glassfish.deployment.common.GenericAnnotationDetector;
import org.glassfish.hk2.api.ServiceLocator;
import javax.inject.Inject;
import org.jvnet.hk2.annotations.Service;
import javax.inject.Singleton;
import java.io.IOException;
import java.util.logging.Logger;
/**
* Detects EJB jar type archive.
* It's rank can be set using system property {@link #EJB_JAR_DETECTOR_RANK_PROP}.
* Default rank is {@link #DEFAULT_EJB_JAR_DETECTOR_RANK}.
*
* @author sanjeeb.sahoo@oracle.com
*/
@Service(name = EjbJarDetector.ARCHIVE_TYPE)
@Singleton
public class EjbJarDetector implements ArchiveDetector {
public static final String EJB_JAR_DETECTOR_RANK_PROP = "glassfish.ejb.jar.detector.rank";
public static final int DEFAULT_EJB_JAR_DETECTOR_RANK = 400;
public static final String ARCHIVE_TYPE = EjbType.ARCHIVE_TYPE;
@Inject
private EjbSniffer sniffer;
@Inject
private EjbType archiveType;
@Inject
private ServiceLocator baseServiceLocator;
private ArchiveHandler archiveHandler; // lazy initialisation
private Logger logger = Logger.getLogger(getClass().getPackage().getName());
private static final String EJB_JAR_XML = "META-INF/ejb-jar.xml";
private static final String SUN_EJB_JAR_XML = "META-INF/sun-ejb-jar.xml";
private static final String GF_EJB_JAR_XML = "META-INF/glassfish-ejb-jar.xml";
@Override
public int rank() {
return Integer.getInteger(EJB_JAR_DETECTOR_RANK_PROP, DEFAULT_EJB_JAR_DETECTOR_RANK);
}
@Override
public boolean handles(ReadableArchive archive) {
try {
if (archive.exists(EJB_JAR_XML) ||
archive.exists(SUN_EJB_JAR_XML) ||
archive.exists(GF_EJB_JAR_XML)) {
return true;
}
GenericAnnotationDetector detector =
new GenericAnnotationDetector(sniffer.getAnnotationTypes());
return detector.hasAnnotationInArchive(archive);
}catch(IOException ioe){
//ignore
}
return false;
}
@Override
public ArchiveHandler getArchiveHandler() {
synchronized (this) {
if (archiveHandler == null) {
try {
sniffer.setup(null, logger);
} catch (IOException e) {
throw new RuntimeException(e); // TODO(Sahoo): Proper Exception Handling
}
archiveHandler = baseServiceLocator.getService(ArchiveHandler.class, ARCHIVE_TYPE);
}
return archiveHandler;
}
}
@Override
public ArchiveType getArchiveType() {
return archiveType;
}
}