public void init() throws ServletException {
if (!inited) {
secureDirPath = getServletContext().getRealPath(SECURE_CONTEXT_PATH);
strongProtection = Boolean.valueOf(getInitParameter("strongProtection")).booleanValue();
File secureDir = new File(secureDirPath);
if (secureDirPath != null && secureDir.isDirectory()) {
inited = true;
if (DEBUG)
log(
"Initialization OK (Strong protection "
+ (strongProtection ? "enabled" : "DISABLED (better enable it check web.xml) !!!")
+ "). Setting secureDirPath to "
+ secureDirPath);
} else {
if (DEBUG)
log(
"Initialization problem, please check if "
+ getServletContext().getRealPath(SECURE_CONTEXT_PATH)
+ " exists and if it is directory !!!");
}
}
dateFormat = DateFormat.getDateInstance();
dateFormat.setTimeZone(java.util.TimeZone.getTimeZone("GMT"));
}
/**
* Get a DICOM format {@link java.lang.String String} time zone from a Java {@link
* java.util.TimeZone TimeZone} on a particular Java {@link java.util.Date Date} .
*
* <p>E.g. from +0500 or -0700, the last component of a DateTime attribute value, or the value of
* the DICOM attribute TimezoneOffsetFromUTC.
*
* @param javaTimeZone the {@link java.util.TimeZone TimeZone} time zone
* @param javaDate the {@link java.util.Date Date} used to establish whether daylight savings is
* in effect or not
* @return a DICOM format {@link java.lang.String String} time zone representing the supplied time
* zone on the supplied date
*/
public static String getTimeZone(java.util.TimeZone javaTimeZone, java.util.Date javaDate) {
// System.err.println("DateTimeAttribute.getTimeZone(): javaTimeZone = "+javaTimeZone);
// System.err.println("DateTimeAttribute.getTimeZone(): javaDate = "+javaDate);
int offset =
javaTimeZone.getOffset(
javaDate
.getTime()); // returns the amount of time in milliseconds to add to UTC to get
// local time
boolean isNegative = false;
if (offset < 0) {
isNegative = true;
offset = -offset;
}
int offsetTotalMinutes = offset / 1000 / 60;
int offsetHoursPart = offsetTotalMinutes / 60;
int offsetMinutesPart = offsetTotalMinutes % 60;
String tzInDICOMFormat =
(isNegative ? "-" : "+")
+ (offsetHoursPart > 9 ? "" : "0")
+ offsetHoursPart
+ (offsetMinutesPart > 9 ? "" : "0")
+ offsetMinutesPart;
// System.err.println("DateTimeAttribute.getTimeZone(): tzInDICOMFormat = "+tzInDICOMFormat);
return tzInDICOMFormat;
}
/**
* Get a DICOM format {@link java.lang.String String} time zone representation of the current
* timezone.
*
* <p>E.g. from +0500 or -0700, the last component of a DateTime attribute value, or the value of
* the DICOM attribute TimezoneOffsetFromUTC.
*
* @return a DICOM format {@link java.lang.String String} time zone representing the current time
* zone on the current date
*/
public static String getCurrentTimeZone() {
return getTimeZone(java.util.TimeZone.getDefault(), new java.util.Date());
}