plugin manager

PluginManager.java

package org.heater.core.plugin;

import com.google.inject.AbstractModule;
import com.google.inject.multibindings.Multibinder;
import org.heater.api.HeaterActivator;

import java.util.ArrayList;
import java.util.List;

public class PluginManager {
    private List<HeaterActivator> instances;
    private AbstractModule module;

    public PluginManager() {
        this.instances = new ArrayList<>();
    }

    public PluginManager initialize() {
        //TODO: insert modules main class
        buildModule();
        return this;
    }

    private void buildModule() {
        this.module =  new AbstractModule() {
            @Override
            protected void configure() {
                Multibinder<HeaterActivator> binder = Multibinder.newSetBinder(binder(), HeaterActivator.class);
                for(HeaterActivator instance: instances) {
                    binder.addBinding().toInstance(instance);
                    install(instance.pluginModule());
                }
            }
        };
    }

    public AbstractModule getModule() {
        return this.module;
    }
}