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package org.glassfish.ejb;
import org.glassfish.internal.deployment.GenericSniffer;
import com.sun.enterprise.module.Module;
import com.sun.enterprise.module.ModuleDefinition;
import com.sun.enterprise.module.common_impl.DirectoryBasedRepository;
import com.sun.enterprise.module.common_impl.AbstractModulesRegistryImpl;
import com.sun.hk2.component.InhabitantsParser;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.jvnet.hk2.annotations.Scoped;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.component.Singleton;
import org.jvnet.hk2.component.Habitat;
import java.io.IOException;
import java.io.File;
import java.util.logging.Logger;
import java.util.Collection;
import java.util.List;
import java.util.ArrayList;
import java.lang.annotation.Annotation;
/**
* Implementation of the Sniffer for the Ejb container.
*
* @author Mahesh Kannan
*/
@Service(name="Ejb")
@Scoped(Singleton.class)
public class EjbSniffer extends GenericSniffer {
@Inject
Habitat habitat;
private static final Class[] ejbAnnotations = new Class[] {
javax.ejb.Stateless.class, javax.ejb.Stateful.class,
javax.ejb.MessageDriven.class, javax.ejb.Singleton.class };
public EjbSniffer() {
this("ejb", "META-INF/ejb-jar.xml", null);
}
public EjbSniffer(String containerName, String appStigma, String urlPattern) {
super(containerName, appStigma, urlPattern);
}
final String[] containers = {
"org.glassfish.ejb.startup.EjbContainerStarter",
};
public String[] getContainersNames() {
return containers;
}
@Override
public Module[] setup(String containerHome, Logger logger) throws IOException {
final String ejbContainerName = "org.glassfish.main.ejb.ejb-container";
Collection<Module> modules = modulesRegistry.getModules(ejbContainerName);
if (modules.isEmpty()) {
// let's see if I have a ejb directory since we started the VM
File ejbLib = null;
if (containerHome != null) {
ejbLib = new File(containerHome);
}
if (!ejbLib.exists()) {
// I am throwing the towel here
throw new IOException("EJB Container not installed");
}
//}
DirectoryBasedRepository ejb = new DirectoryBasedRepository("ejb", ejbLib);
ejb.initialize();
modulesRegistry.addRepository(ejb);
InhabitantsParser parser = new InhabitantsParser(habitat);
for (ModuleDefinition md : ejb.findAll()) {
Module module = modulesRegistry.makeModuleFor(md.getName(), md.getVersion());
if (module != null) {
((AbstractModulesRegistryImpl) modulesRegistry).parseInhabitants(module, "default", parser);
}
}
modules = modulesRegistry.getModules(ejbContainerName);
}
if (modules.size() == 1) {
return modules.toArray(new Module[1]);
} else {
throw new IOException("Cannot find ejb module from the module's repositories");
}
}
/**
* Returns true if the passed file or directory is recognized by this
* instance.
*
* @param location the file or directory to explore
* @param loader class loader for this application
* @return true if this sniffer handles this application type
*/
public boolean handles(ReadableArchive location, ClassLoader loader) {
boolean result = super.handles(location, loader); //Check ejb-jar.xml
if (result == false) {
try {
result = location.exists("META-INF/sun-ejb-jar.xml") ||
location.exists("META-INF/glassfish-ejb-jar.xml");
} catch (IOException ioe) {
// Ignore
}
}
if (result == false) {
try {
result = location.exists("WEB-INF/ejb-jar.xml");
} catch (IOException ioEx) {
//TODO
}
}
return result;
}
@Override
public Class<? extends Annotation>[] getAnnotationTypes() {
return ejbAnnotations;
}
/**
* @return whether this sniffer should be visible to user
*
*/
public boolean isUserVisible() {
return true;
}
/**
* @return the set of the sniffers that should not co-exist for the
* same module. For example, ejb and connector sniffers should not
* be returned in the sniffer list for a certain module.
* This method will be used to validate and filter the retrieved sniffer
* lists for a certain module
*
*/
public String[] getIncompatibleSnifferTypes() {
return new String[] {"connector"};
}
private static final List<String> deploymentConfigurationPaths =
initDeploymentConfigurationPaths();
private static List<String> initDeploymentConfigurationPaths() {
final List<String> result = new ArrayList<String>();
result.add("META-INF/ejb-jar.xml");
result.add("META-INF/sun-ejb-jar.xml");
result.add("META-INF/glassfish-ejb-jar.xml");
result.add("META-INF/weblogic-ejb-jar.xml");
return result;
}
/**
* Returns the descriptor paths that might exist at an ejb app.
*
* @return list of the deployment descriptor paths
*/
@Override
protected List<String> getDeploymentConfigurationPaths() {
return deploymentConfigurationPaths;
}
}