InstantBinder.java

package pl.allegro.tech.hermes.common.di;

import org.glassfish.hk2.api.DynamicConfiguration;
import org.glassfish.hk2.utilities.Binder;
import org.glassfish.hk2.utilities.binding.ScopedBindingBuilder;
import org.glassfish.jersey.internal.inject.Injections;

@SuppressWarnings("unchecked")
public class InstantBinder {
    ScopedBindingBuilder builder;

    InstantBinder(Object instance) {
        this.builder = Injections.newBinder(instance);
    }

    public static <T> InstantBinder bind(T instance) {
        return new InstantBinder(instance);
    }

    public InstantBinder named(String name) {
        builder.named(name);
        return this;
    }

    public InstantBinder to(Class<?> clazz) {
        builder.to(clazz);
        return this;
    }

    public Binder build() {
        return new Binder() {
            @Override
            public void bind(DynamicConfiguration config) {
                Injections.addBinding(builder, config);
            }
        };
    }
}