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package org.glassfish.admin.restconnector;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.v3.admin.adapter.AdminEndpointDecider;
import org.glassfish.api.container.Adapter;
import org.glassfish.grizzly.http.server.HttpHandler;
import org.glassfish.hk2.api.ServiceLocator;
import java.net.InetAddress;
import java.util.List;
import java.util.logging.Logger;
/**
* Base class for our implementation of Adapter proxies.
* To avoid early loading of adapter implentations, use a handle-body idiom here.
* Only operations related to metadata is handled by this class. The rest of the operations are
* delegated to a delegate which is looked up in the service registry on demand.
*
* @author Sanjeeb.Sahoo@Sun.COM
*/
public abstract class AbstractProxyRestAdapter implements Adapter {
// TODO(Sahoo): This class can be moved to kernel and be used as proxy for other Adapter implementations.
/**
* Our delegate which depends on a lot of things.
*/
private ProxiedRestAdapter delegate;
private boolean registered;
private AdminEndpointDecider aed;
/*
* This is not a component itself, so it can not use injection facility.
* All injection capable fields are implemented as abstract getters.
*/
protected abstract ServiceLocator getServices();
protected abstract Config getConfig();
protected abstract String getName();
private synchronized AdminEndpointDecider getEpd() {
if (aed == null) {
aed = new AdminEndpointDecider(getConfig(), Logging.logger);
}
return aed;
}
/**
* @return the real adapter - looked up in service registry using {@link #getName}
*/
private synchronized ProxiedRestAdapter getDelegate() {
if (delegate == null) {
delegate = getServices().getService(ProxiedRestAdapter.class, getName());
if (delegate == null) {
throw new RuntimeException(
"Unable to locate a service of type = " + ProxiedRestAdapter.class + " with name = " + getName());
}
}
return delegate;
}
@Override
public HttpHandler getHttpService() {
return getDelegate().getHttpService();
}
/**
* Context root this adapter is responsible for handling.
*/
@Override
public abstract String getContextRoot();
@Override
public int getListenPort() {
return getEpd().getListenPort();
}
@Override
public InetAddress getListenAddress() {
return getEpd().getListenAddress();
}
@Override
public List<String> getVirtualServers() {
return getEpd().getAsadminHosts();
}
@Override
public synchronized boolean isRegistered() {
return registered;
}
@Override
public synchronized void setRegistered(boolean registered) {
this.registered = registered;
}
}