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package org.glassfish.admin.rest.adapter;
import com.sun.enterprise.v3.common.PropsFileActionReporter;
import java.util.Collections;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.logging.Level;
import javax.inject.Inject;
import javax.security.auth.Subject;
import org.glassfish.admin.rest.RestLogging;
import org.glassfish.api.StartupRunLevel;
import org.glassfish.api.admin.CommandRunner;
import org.glassfish.api.admin.ParameterMap;
import org.glassfish.api.container.EndpointRegistrationException;
import org.glassfish.grizzly.http.server.HttpHandler;
import org.glassfish.grizzly.http.server.Request;
import org.glassfish.grizzly.http.server.Response;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.api.TypeLiteral;
import org.glassfish.hk2.runlevel.RunLevel;
import org.glassfish.hk2.utilities.Binder;
import org.glassfish.hk2.utilities.binding.AbstractBinder;
import org.glassfish.internal.api.KernelIdentity;
import org.glassfish.internal.api.ServerContext;
import org.glassfish.jersey.internal.inject.ReferencingFactory;
import org.glassfish.jersey.internal.util.collection.Ref;
import org.glassfish.jersey.process.internal.RequestScoped;
import org.glassfish.jersey.server.ContainerFactory;
import org.glassfish.jersey.server.ResourceConfig;
import org.jvnet.hk2.annotations.Service;
/**
*
* @author martinmares
*/
@Service
//@RunLevel(value= InitRunLevel.VAL)
@RunLevel(value= StartupRunLevel.VAL)
public class JerseyContainerCommandService implements PostConstruct {
@Inject
protected ServiceLocator habitat;
@Inject
private KernelIdentity kernelIdentity;
private Future<JerseyContainer> future;
@Override
public void postConstruct() {
ExecutorService executor = Executors.newFixedThreadPool(2);
this.future = executor.submit(new Callable<JerseyContainer>() {
@Override
public JerseyContainer call() throws Exception {
JerseyContainer result = exposeContext();
return result;
}
});
executor.submit(new Runnable() {
@Override
public void run() {
CommandRunner cr = habitat.getService(CommandRunner.class);
final CommandRunner.CommandInvocation invocation =
cr.getCommandInvocation("uptime", new PropsFileActionReporter(), kernelIdentity.getSubject());
invocation.parameters(new ParameterMap());
invocation.execute();
}
});
executor.shutdown();
}
public JerseyContainer getJerseyContainer() throws EndpointRegistrationException {
try {
return future.get();
} catch (InterruptedException ex) {
return exposeContext();
} catch (ExecutionException ex) {
Throwable orig = ex.getCause();
if (orig instanceof EndpointRegistrationException) {
throw (EndpointRegistrationException) orig;
} else {
RestLogging.restLogger.log(Level.INFO, RestLogging.INIT_FAILED, orig);
}
return null;
}
}
private ServerContext getServerContext() {
return habitat.getService(ServerContext.class);
}
private JerseyContainer exposeContext() throws EndpointRegistrationException {
Set<Class<?>> classes = RestCommandResourceProvider.getResourceClasses();
// Use common classloader. Jersey artifacts are not visible through
// module classloader. Actually there is a more important reason to use CommonClassLoader.
// jax-rs API called RuntimeDelegate makes stupid class loading assumption and throws LinkageError
// when it finds an implementation of RuntimeDelegate that's part of WLS system class loader.
// So, we force it to restrict its search space using common class loader.
ClassLoader originalContextClassLoader = Thread.currentThread().getContextClassLoader();
try {
ClassLoader apiClassLoader = getServerContext().getCommonClassLoader();
Thread.currentThread().setContextClassLoader(apiClassLoader);
ResourceConfig rc = (new RestCommandResourceProvider()).getResourceConfig(classes, getServerContext(), habitat, getAdditionalBinders());
return getJerseyContainer(rc);
} finally {
Thread.currentThread().setContextClassLoader(originalContextClassLoader);
}
}
private JerseyContainer getJerseyContainer(ResourceConfig rc) {
final HttpHandler httpHandler = ContainerFactory.createContainer(HttpHandler.class, rc);
return new JerseyContainer() {
@Override
public void service(Request request, Response response) throws Exception {
httpHandler.service(request, response);
}
};
}
private Set<? extends Binder> getAdditionalBinders() {
return Collections.singleton(new AbstractBinder() {
@Override
protected void configure() {
bindFactory(RestAdapter.SubjectReferenceFactory.class).to(new TypeLiteral<Ref<Subject>>() {
}).in(PerLookup.class);
bindFactory(ReferencingFactory.<Subject>referenceFactory()).to(new TypeLiteral<Ref<Subject>>() {
}).in(RequestScoped.class);
}
});
}
}