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package org.glassfish.admin.rest;
import com.sun.grizzly.tcp.http11.GrizzlyAdapter;
import com.sun.jersey.api.container.ContainerFactory;
import com.sun.jersey.api.core.ResourceConfig;
import org.glassfish.api.container.EndpointRegistrationException;
import com.sun.grizzly.tcp.Adapter;
import com.sun.jersey.api.core.DefaultResourceConfig;
import java.util.Set;
import org.glassfish.internal.api.ServerContext;
/**
*
* @author ludovic champenois ludo@dev.java.net
*/
/**
* Class that initialize the Jersey container. It is called via introspection from RestAdapter
* so that RestAdapter does not depend on Jersey classes. This way, we gain 90ms at startup time
* and load the jersey classes only at the very last time, when needed.
* @author ludo
*/
public class LazyJerseyInit {
LazyJerseyInit() {
}
/**
* Called via introspection in the RestAdapter service() method only when the GrizzlyAdapter is not initialized
* @param classes set of Jersey Resources classes
* @param sc the current ServerContext, needed to finf the correct classpath
* @return the correct GrizzlyAdapter
* @throws EndpointRegistrationException
*/
public static GrizzlyAdapter exposeContext(Set classes, ServerContext sc)
throws EndpointRegistrationException {
Adapter adapter = null;
ResourceConfig rc = new DefaultResourceConfig(classes);
//Use common classloader. Jersey artifacts are not visible through
//module classloader
ClassLoader originalContextClassLoader = Thread.currentThread().getContextClassLoader();
try {
ClassLoader apiClassLoader = sc.getCommonClassLoader();
Thread.currentThread().setContextClassLoader(apiClassLoader);
adapter = ContainerFactory.createContainer(com.sun.grizzly.tcp.Adapter.class, rc);
} finally {
Thread.currentThread().setContextClassLoader(originalContextClassLoader);
}
return (GrizzlyAdapter) adapter;
}
}