示例#1
0
 public static string DecimalToDegreesMinutesSecondsString(double @decimal)
 {
     double[] dms = DecimalToDegreesMinutesSeconds(@decimal);
     DecimalFormat format = new DecimalFormat("0.##");
     return Sharpen.Extensions.StringFormat("%s° %s' %s\"", format.Format(dms[0]), format.Format(dms[1]), format.Format(dms[2]));
 }
 /// <summary>Converts a <code>Calendar</code> into an ISO 8601 string.</summary>
 /// <remarks>
 /// Converts a <code>Calendar</code> into an ISO 8601 string.
 /// Format a date according to ISO 8601 and http://www.w3.org/TR/NOTE-datetime:
 /// <ul>
 /// <li>YYYY
 /// <li>YYYY-MM
 /// <li>YYYY-MM-DD
 /// <li>YYYY-MM-DDThh:mmTZD
 /// <li>YYYY-MM-DDThh:mm:ssTZD
 /// <li>YYYY-MM-DDThh:mm:ss.sTZD
 /// </ul>
 /// Data fields:
 /// <ul>
 /// <li>YYYY = four-digit year
 /// <li>MM	 = two-digit month (01=January, etc.)
 /// <li>DD	 = two-digit day of month (01 through 31)
 /// <li>hh	 = two digits of hour (00 through 23)
 /// <li>mm	 = two digits of minute (00 through 59)
 /// <li>ss	 = two digits of second (00 through 59)
 /// <li>s	 = one or more digits representing a decimal fraction of a second
 /// <li>TZD	 = time zone designator (Z or +hh:mm or -hh:mm)
 /// </ul>
 /// <p>
 /// <em>Note:</em> ISO 8601 does not seem to allow years less than 1000 or greater than 9999.
 /// We allow any year, even negative ones. The year is formatted as "%.4d".<p>
 /// <em>Note:</em> Fix for bug 1269463 (silently fix out of range values) included in parsing.
 /// The quasi-bogus "time only" values from Photoshop CS are not supported.
 /// </remarks>
 /// <param name="dateTime">an XMPDateTime-object.</param>
 /// <returns>Returns an ISO 8601 string.</returns>
 public static string Render(XMPDateTime dateTime)
 {
     StringBuilder buffer = new StringBuilder();
     if (dateTime.HasDate())
     {
         // year is rendered in any case, even 0000
         DecimalFormat df = new DecimalFormat("0000", new DecimalFormatSymbols(Sharpen.Extensions.GetEnglishCulture()));
         buffer.Append(df.Format(dateTime.GetYear()));
         if (dateTime.GetMonth() == 0)
         {
             return buffer.ToString();
         }
         // month
         df.ApplyPattern("'-'00");
         buffer.Append(df.Format(dateTime.GetMonth()));
         if (dateTime.GetDay() == 0)
         {
             return buffer.ToString();
         }
         // day
         buffer.Append(df.Format(dateTime.GetDay()));
         // time, rendered if any time field is not zero
         if (dateTime.HasTime())
         {
             // hours and minutes
             buffer.Append('T');
             df.ApplyPattern("00");
             buffer.Append(df.Format(dateTime.GetHour()));
             buffer.Append(':');
             buffer.Append(df.Format(dateTime.GetMinute()));
             // seconds and nanoseconds
             if (dateTime.GetSecond() != 0 || dateTime.GetNanoSecond() != 0)
             {
                 double seconds = dateTime.GetSecond() + dateTime.GetNanoSecond() / 1e9d;
                 df.ApplyPattern(":00.#########");
                 buffer.Append(df.Format(seconds));
             }
             // time zone
             if (dateTime.HasTimeZone())
             {
                 // used to calculate the time zone offset incl. Daylight Savings
                 long timeInMillis = dateTime.GetCalendar().GetTimeInMillis();
                 int offset = dateTime.GetTimeZone().GetOffset(timeInMillis);
                 if (offset == 0)
                 {
                     // UTC
                     buffer.Append('Z');
                 }
                 else
                 {
                     int thours = offset / 3600000;
                     int tminutes = Math.Abs(offset % 3600000 / 60000);
                     df.ApplyPattern("+00;-00");
                     buffer.Append(df.Format(thours));
                     df.ApplyPattern(":00");
                     buffer.Append(df.Format(tminutes));
                 }
             }
         }
     }
     return buffer.ToString();
 }