package test.local.db.loader;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.MissingResourceException;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;

import simulator.ConfigurationOptions;

/**
 * 
 * @author Marcin Krystek
 *
 */
public class PropertiesReader extends StatsReader {

	protected ResourceBundle resourceBoundle;
	protected int cnt = 3;
	
	public PropertiesReader(String fileName) throws FileNotFoundException, IOException{
		super(null);
		
		this.resourceBoundle = new PropertyResourceBundle(new FileInputStream(fileName));	
	}
	
	protected PropertiesReader(StatsParser p) {
		super(p);
	}
	
	public String getGridSchedulingPlugin(){
		return getValue(
				ConfigurationOptions.GRID_SCHEDULING_PLUGIN_NAME_MODIFIER);
	}

	public String getLocalSchedulingPlugin(){
		return getValue(
				ConfigurationOptions.LOCAL_ALLOC_POLICY_PLUGIN_NAME_MODIFIER);
	}
	
	public String getTimeEstimationPlugin(){
		return getValue(
				ConfigurationOptions.EXEC_TIME_ESTIMATION_PLUGIN_NAME_MODIFIER);
		
	}
	
	public String getUserDN(){
		return getValue(
				ConfigurationOptions.USER_DN);
	}
	
	public String getExperimentId(){
		return getValue(
				ConfigurationOptions.EXPERIMENT_ID);
	}
	
	public boolean next(){
		/*
		 * This simulates one read for skipping file header
		 * and one read for reading file content
		 */
		cnt--;
		return (cnt > 0);
	}

	protected String getValue(String key){
		try {
			return this.resourceBoundle.getString(key);
		} catch (MissingResourceException e){
			return null;
		}
	}
}