/// <summary>
/// Sets the local time zone without touching any other Any existing time zone value is replaced,
/// the other date/time fields are not adjusted in any way.
/// </summary>
/// <param name="dateTime">the <code>XMPDateTime</code> variable containing the value to be modified.
/// </param>
/// <returns>Returns an updated <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime SetLocalTimeZone(XMPDateTime dateTime)
{
XMPCalendar cal = dateTime.GetCalendar();
cal.SetTimeZone(TimeZone.CurrentTimeZone);
return(new XMPDateTimeImpl(cal));
}
/// <summary>Fixes the GPS Timestamp in EXIF.</summary>
/// <param name="exifSchema">the EXIF schema node</param>
/// <exception cref="iText.Kernel.XMP.XMPException">Thrown if the date conversion fails.
/// </exception>
private static void FixGPSTimeStamp(XMPNode exifSchema)
{
// Note: if dates are not found the convert-methods throws an exceptions,
// and this methods returns.
XMPNode gpsDateTime = XMPNodeUtils.FindChildNode(exifSchema, "exif:GPSTimeStamp", false);
if (gpsDateTime == null)
{
return;
}
try {
XMPDateTime binGpsStamp = XMPUtils.ConvertToDate(gpsDateTime.GetValue());
if (binGpsStamp.GetYear() != 0 || binGpsStamp.GetMonth() != 0 || binGpsStamp.GetDay() != 0)
{
return;
}
XMPNode otherDate = XMPNodeUtils.FindChildNode(exifSchema, "exif:DateTimeOriginal", false);
otherDate = otherDate ?? XMPNodeUtils.FindChildNode(exifSchema, "exif:DateTimeDigitized", false);
XMPDateTime binOtherDate = XMPUtils.ConvertToDate(otherDate.GetValue());
XMPCalendar cal = binGpsStamp.GetCalendar();
DateTime dt = new DateTime(binOtherDate.GetYear(), binOtherDate.GetMonth(), binOtherDate.GetDay(),
cal.GetDateTime().Hour, cal.GetDateTime().Minute, cal.GetDateTime().Second, cal.GetDateTime().Millisecond);
cal.SetDateTime(dt);
binGpsStamp = new XMPDateTimeImpl(cal);
gpsDateTime.SetValue(XMPUtils.ConvertFromDate(binGpsStamp));
}
catch (XMPException) {
}
}
/// <summary>Make sure a time is UTC.</summary>
/// <remarks>
/// Make sure a time is UTC. If the time zone is not UTC, the time is
/// adjusted and the time zone set to be UTC.
/// </remarks>
/// <param name="dateTime">
/// the <code>XMPDateTime</code> variable containing the time to
/// be modified.
/// </param>
/// <returns>Returns an updated <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime ConvertToUTCTime(XMPDateTime dateTime)
{
long timeInMillis = dateTime.GetCalendar().GetTimeInMillis();
Sharpen.GregorianCalendar cal = new Sharpen.GregorianCalendar(Utc);
cal.SetGregorianChange(Sharpen.Extensions.CreateDate(long.MinValue));
cal.SetTimeInMillis(timeInMillis);
return new XMPDateTimeImpl(cal);
}
/// <summary>Make sure a time is local.</summary>
/// <remarks>
/// Make sure a time is local. If the time zone is not the local zone, the time is adjusted and
/// the time zone set to be local.
/// </remarks>
/// <param name="dateTime">the <code>XMPDateTime</code> variable containing the time to be modified.</param>
/// <returns>Returns an updated <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime ConvertToLocalTime(XMPDateTime dateTime)
{
long timeInMillis = dateTime.GetCalendar().GetTimeInMillis();
// has automatically local timezone
Sharpen.GregorianCalendar cal = new Sharpen.GregorianCalendar();
cal.SetTimeInMillis(timeInMillis);
return new XMPDateTimeImpl(cal);
}
/// <summary>Make sure a time is UTC.</summary>
/// <remarks>
/// Make sure a time is UTC. If the time zone is not UTC, the time is
/// adjusted and the time zone set to be UTC.
/// </remarks>
/// <param name="dateTime">
/// the <code>XMPDateTime</code> variable containing the time to
/// be modified.
/// </param>
/// <returns>Returns an updated <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime ConvertToUTCTime(XMPDateTime dateTime)
{
long timeInMillis = dateTime.GetCalendar().GetTimeInMillis();
XMPCalendar cal = new XMPCalendar();
cal.SetTimeInMillis(timeInMillis);
return(new XMPDateTimeImpl(cal));
}
/// <summary>Make sure a time is local.</summary>
/// <remarks>
/// Make sure a time is local. If the time zone is not the local zone, the time is adjusted and
/// the time zone set to be local.
/// </remarks>
/// <param name="dateTime">the <code>XMPDateTime</code> variable containing the time to be modified.
/// </param>
/// <returns>Returns an updated <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime ConvertToLocalTime(XMPDateTime dateTime)
{
long timeInMillis = dateTime.GetCalendar().GetTimeInMillis();
// has automatically local timezone
XMPCalendar cal = new XMPCalendar();
cal.SetTimeInMillis(timeInMillis);
return(new XMPDateTimeImpl(cal));
}
/// <summary>Make sure a time is UTC.</summary>
/// <remarks>
/// Make sure a time is UTC. If the time zone is not UTC, the time is
/// adjusted and the time zone set to be UTC.
/// </remarks>
/// <param name="dateTime">
/// the <code>XMPDateTime</code> variable containing the time to
/// be modified.
/// </param>
/// <returns>Returns an updated <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime ConvertToUTCTime(XMPDateTime dateTime)
{
long timeInMillis = dateTime.GetCalendar().GetTimeInMillis();
Sharpen.GregorianCalendar cal = new Sharpen.GregorianCalendar(Utc);
cal.SetGregorianChange(Sharpen.Extensions.CreateDate(long.MinValue));
cal.SetTimeInMillis(timeInMillis);
return(new XMPDateTimeImpl(cal));
}
/// <summary>
/// Sets the local time zone without touching any other Any existing time zone value is replaced,
/// the other date/time fields are not adjusted in any way.
/// </summary>
/// <param name="dateTime">the <code>XMPDateTime</code> variable containing the value to be modified.</param>
/// <returns>Returns an updated <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime SetLocalTimeZone(XMPDateTime dateTime)
{
Sharpen.Calendar cal = dateTime.GetCalendar();
cal.SetTimeZone(System.TimeZoneInfo.Local);
return new XMPDateTimeImpl(cal);
}
/// <summary>
/// Sets the local time zone without touching any other Any existing time zone value is replaced,
/// the other date/time fields are not adjusted in any way.
/// </summary>
/// <param name="dateTime">the <code>XMPDateTime</code> variable containing the value to be modified.</param>
/// <returns>Returns an updated <code>XMPDateTime</code>-object.</returns>
public static XMPDateTime SetLocalTimeZone(XMPDateTime dateTime)
{
Sharpen.Calendar cal = dateTime.GetCalendar();
cal.SetTimeZone(System.TimeZoneInfo.Local);
return(new XMPDateTimeImpl(cal));
}
/// <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();
}
/// <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)
{
return(dateTime.GetCalendar().GetDateTime().ToString("s"));
}
/// <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());
}
/// <summary>
/// Evaluates a raw node value to the given value type, apply special
/// conversions for defined types in XMP.
/// </summary>
/// <param name="valueType">an int indicating the value type</param>
/// <param name="propNode">the node containing the value</param>
/// <returns>Returns a literal value for the node.</returns>
/// <exception cref="iText.Kernel.XMP.XMPException">
/// if the value of <code>propNode</code> is <code>null</code> or empty or the conversion fails.
/// </exception>
private Object EvaluateNodeValue(int valueType, XMPNode propNode)
{
Object value;
String rawValue = propNode.GetValue();
switch (valueType)
{
case VALUE_BOOLEAN:
{
value = XMPUtils.ConvertToBoolean(rawValue);
break;
}
case VALUE_INTEGER:
{
value = XMPUtils.ConvertToInteger(rawValue);
break;
}
case VALUE_LONG:
{
value = XMPUtils.ConvertToLong(rawValue);
break;
}
case VALUE_DOUBLE:
{
value = XMPUtils.ConvertToDouble(rawValue);
break;
}
case VALUE_DATE:
{
value = XMPUtils.ConvertToDate(rawValue);
break;
}
case VALUE_CALENDAR:
{
XMPDateTime dt = XMPUtils.ConvertToDate(rawValue);
value = dt.GetCalendar();
break;
}
case VALUE_BASE64:
{
value = XMPUtils.DecodeBase64(rawValue);
break;
}
case VALUE_STRING:
default:
{
// leaf values return empty string instead of null
// for the other cases the converter methods provides a "null"
// value.
// a default value can only occur if this method is made public.
value = rawValue != null || propNode.GetOptions().IsCompositeProperty() ? rawValue
: "";
break;
}
}
return value;
}