package net.sf.layoutParser.typeHandler;
   
   import net.sf.layoutParser.constants.ConstantCatalog;
   import net.sf.layoutParser.exception.ExceptionKey;
   import net.sf.layoutParser.processor.MalformedInputException;
   import net.sf.layoutParser.processor.MalformedOutputException;
   
   /**
    * TODO: Comentar esta classe
   *
   * @author Mário Valentim Junior
   * @since 1.1
   * @date 10/06/2008
   */
  public class DoubleTypeHandler extends NumberTypeHandler{
  	
  	public Double parse(String dados, String format, String filler) throws MalformedInputException {
  		if(format == null){
  			throw new MalformedInputException( ExceptionKey.PLUGIN_NO_FORMAT, new Object[]{dados, Double.class});
  		}
  		
  		String value = transform(dados, format);
  		return super.parse(value, format, filler).doubleValue();
  	}
  
  	private String transform(String dados, String format) {
  		String[] split = format.split("\\"+ ConstantCatalog.DOT);
  		int decimalPositions = split.length == 1 ? 0 : split[split.length - 1].length();
  		int separatorIndex = dados.length() - decimalPositions;
  		String value = dados.substring(0, separatorIndex) + ConstantCatalog.DOT;
  		value += dados.substring(separatorIndex);
  		return value;
  	}
  
  	public String format(Number data, String format, String filler, int size) throws MalformedOutputException {
  		if(format == null){
  			throw new MalformedOutputException( ExceptionKey.PLUGIN_NO_FORMAT, new Object[]{data, Double.class});
  		}
  		
  		return super.format(data, format, filler, size);
  	}
  
  }