com.sun.grizzly.jruby.rack.RackApplicationPoolAdapter Maven / Gradle / Ivy

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package com.sun.grizzly.jruby.rack;

import com.sun.grizzly.pool.PoolAdapter;
import com.sun.grizzly.http.SelectorThread;
import com.sun.grizzly.jruby.GrizzlyContext;
import com.sun.grizzly.jruby.RailsAdapter;
import org.jruby.javasupport.JavaEmbedUtils;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.Ruby;

import java.util.logging.Level;

/**
 * Adapter to allow RackApplications to be pooled
 */
class RackApplicationPoolAdapter implements PoolAdapter {

    private final RackApplicationFactory factory;
    private final RubyRuntimeFactory rubyFactory = new RubyRuntimeFactory();
    private final RailsAdapter adapter;


    public RackApplicationPoolAdapter(RackApplicationFactory f, RailsAdapter adapter) {
        this.factory = f;
        this.adapter = adapter;

    }

    public RackApplication initializeObject() {
        try {
            Ruby runtime = rubyFactory.makeRubyRuntime();
            //setup GrizzlyContext
            GrizzlyContext context = new GrizzlyContext(adapter);
            runtime.defineReadonlyVariable("$grizzly_context",
                    JavaEmbedUtils.javaToRuby(runtime, context));
            IRubyObject loggerObj = JavaEmbedUtils.javaToRuby(runtime, context.getLogger());
            runtime.defineReadonlyVariable("$logger", loggerObj);
            String log_level = getEffectiveLogLevel();
            IRubyObject GF_log_level = JavaEmbedUtils.javaToRuby(runtime, log_level);
            runtime.defineReadonlyVariable("$glassfish_log_level", GF_log_level);
            runtime.defineReadonlyVariable("$root", JavaEmbedUtils.javaToRuby(runtime, adapter.getContextRoot()));

            RackApplication app = factory.newApplication(runtime);

            return app;
        } catch (RackInitializationException e) {
            SelectorThread.logger().severe("Error initializing rack application!");
            e.printStackTrace();
            throw new IllegalStateException("Rack initialization failed!");
        }
    }

    // This method should be removed when glassfish/java.util.logger actually implements this
    private String getEffectiveLogLevel() {
        Level myLevel;
        java.util.logging.Logger pLog = adapter.getLogger();
        myLevel = pLog.getLevel();
        while (myLevel == null) {
            pLog = pLog.getParent();
            myLevel = pLog.getLevel();
        }
        return myLevel.getName();
    }


    public void dispose(RackApplication dead) {
        dead.destroy();
    }

    public boolean validate(RackApplication toCheck) {
        return true;
    }
}