public synchronized Date toDate()

in impl/src/main/java/org/apache/tuscany/sdo/helper/DataHelperImpl.java [49:135]
62 lines of code
15 McCabe index (conditional complexity)

  public synchronized Date toDate(String dateString)
  {
    if (dateString == null)
    {
      return null;
    }
      
    SDOSimpleDateFormat format;
    Date result = null;
    boolean negative = false;
    String formatString;
    dateString = dateString.trim();
    
    // Determine if it is a negative Date, DateTime, or Duration
    
    if (dateString.length() > 2 && dateString.charAt(0) == '-' && dateString.charAt(1) != '-')
    {
      negative = true;
      dateString = dateString.substring(1);
    }
    
    //  SDO Date Format ends with a Z
    
    if (dateString.endsWith("Z"))
    {
      if (dateString.indexOf('.') != -1)
        formatString = new String("yyyy-MM-dd'T'HH:mm:ss'.'S'Z'");
      else
        formatString = new String ("yyyy-MM-dd'T'HH:mm:ss'Z'");
        
      format = new SDOSimpleDateFormat(formatString);
      format.setTimeZone(TimeZone.getTimeZone("UTC"));
      
      result = checkFormat(dateString, format);
      
      // If no match, continue to try further possibilities
      
      if (result != null)
      {
        if (negative)
          return handleBCE(result);
        else
          return result;
      }
      
    }
    
    // Duration format begins with a P
    
    if (dateString.startsWith("P"))
    {
      // Remove any spaces in the dateString
        
      String durationString = dateString.replaceAll(" ", "");

      // Build the formatString based on the contents of dateString
        
      formatString = obtainDurationFormats(durationString);
      format = new SDOSimpleDateFormat(formatString);
      result = checkFormat(durationString, format);
      if (result != null)
      {     
        if (negative)
          return handleNegative(result); 
        else
          return result;
      }
    }
    
    formatString = obtainSpecificFormat(dateString);

    if (formatString != null)
    {
      format = new SDOSimpleDateFormat(formatString);
      result = checkFormat(dateString, format); 

      if (result != null)
      {
        if (negative)
          return handleBCE(result);   
        else
          return result;
      }
    }
    
    return null;
  }