package at.gv.egovernment.moa.id.protocols.stork2;

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

import at.gv.egovernment.moa.id.commons.db.dao.config.AttributeProviderPlugin;

/**
 * A factory for creating AttributeProvider objects.
 */
public class AttributeProviderFactory {

	/**
	 * Gets the available plugins.
	 * 
	 * @return the available plugins
	 */
	public static List<String> getAvailablePlugins() {
		List<String> result = new ArrayList<String>();
		result.add("StorkAttributeRequestProvider");
		result.add("EHvdAttributeProvider");

		return result;
	}

	/**
	 * Creates an AttributeProvider object for the given shortname. Returns
	 * {@code null} if there is no such provider available.
	 * 
	 * @param shortname
	 *            the simpleName for the providers class
	 * @return the attribute provider
	 */
	public static AttributeProvider create(String shortname, String url) {
        	if (shortname.equals("StorkAttributeRequestProvider"))  {
			return new StorkAttributeRequestProvider(url);
		} else if(shortname.equals("EHvdAttributeProvider")) {
			return new EHvdAttributeProviderPlugin(url);
		}       else {
			return null;
		}
	}

	/**
	 * Gets fresh instances of the configured plugins.
	 *
	 * @param configuredAPs the configured a ps
	 * @return the configured plugins
	 */
	public static List<AttributeProvider> getConfiguredPlugins(
			List<AttributeProviderPlugin> configuredAPs) {
		
		List<AttributeProvider> result = new ArrayList<AttributeProvider>();
		for(AttributeProviderPlugin current : configuredAPs)
			result.add(create(current.getName(), current.getUrl()));
		
		return result;
	}
}