ConnectorDescriptorProxy.java

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package com.sun.appserv.connectors.internal.api;

import org.glassfish.api.naming.NamingObjectProxy;
import org.jvnet.hk2.annotations.Service;

import org.glassfish.hk2.api.PerLookup;

import javax.inject.Inject;
import javax.inject.Provider;
import javax.naming.Context;
import javax.naming.NamingException;

import com.sun.enterprise.deployment.ConnectorDescriptor;
import com.sun.appserv.connectors.internal.api.ConnectorRuntime;
import com.sun.appserv.connectors.internal.api.ConnectorRuntimeException;

@Service
@PerLookup

public class ConnectorDescriptorProxy implements NamingObjectProxy.InitializationNamingObjectProxy{
    @Inject
    private Provider<ConnectorRuntime> connectorRuntimeProvider;

    private ConnectorDescriptor desc;
    private String rarName;
    private String jndiName;

    public void setRarName(String rarName){
        this.rarName = rarName;
    }

    public String getRarName(){
        return rarName;
    }

    public void setJndiName(String jndiName){
        this.jndiName = jndiName;
    }

    public String getJndiName(){
        return jndiName;
    }

    protected ConnectorRuntime getConnectorRuntime() {
        return connectorRuntimeProvider.get();
    }

    public Object create(Context ic) throws NamingException {
        //this is a per-lookup object and once we have the descriptor,
        //we remove the proxy and bind the descriptor with same jndi-name
        //hence block synchronization is fine as it blocks only callers
        //of this particular connector descriptor and also only for first time (initialization)
        synchronized(this){
            if(desc == null){
                try {
                    desc = getConnectorRuntime().getConnectorDescriptor(rarName);
                    ic.rebind(jndiName, desc);
                } catch (ConnectorRuntimeException e) {
                    NamingException ne = new NamingException(e.getMessage());
                    ne.initCause(e);
                    throw ne;
                }
            }
        }
        return desc;
    }
}