SystemPackageRegistrar.java

package org.molgenis.data.meta.system;

import org.molgenis.data.meta.SystemPackage;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.stereotype.Component;

import java.util.Map;

import static java.util.Objects.requireNonNull;

/**
 * Discovers and registers system packages with the system package registry.
 *
 * @see SystemPackage
 * @see SystemPackageRegistry
 */
@Component
public class SystemPackageRegistrar
{
	private final SystemPackageRegistry systemPackageRegistry;

	@Autowired
	public SystemPackageRegistrar(SystemPackageRegistry systemPackageRegistry)
	{
		this.systemPackageRegistry = requireNonNull(systemPackageRegistry);
	}

	public void register(ContextRefreshedEvent event)
	{
		ApplicationContext ctx = event.getApplicationContext();
		Map<String, SystemPackage> systemPackageMap = ctx.getBeansOfType(SystemPackage.class);
		systemPackageMap.values().forEach(this::register);
	}

	private void register(SystemPackage systemPackage)
	{
		systemPackageRegistry.addSystemPackage(systemPackage);
	}
}