code: package xyz.lejon.configuration;
  
  import org.apache.commons.configuration.HierarchicalINIConfiguration;
  
  public class ConfigurationUtils {
  	
  	public static double [] getDoubleArrayProperty(HierarchicalINIConfiguration conf, String key) {
  		String [] ints = conf.getStringArray(key);
  		if(ints==null || ints.length==0) { 
  			throw new IllegalArgumentException("Could not find any double array for key:" + key); 
  		}
  		double [] result = new double[ints.length];
  		for (int i = 0; i < ints.length; i++) {
  			result[i] = Double.parseDouble(ints[i].trim());
  		}
  		return result;
  	}
  
  
  }
  