From 23af8f58bcf170b26cc7e87c367018485d75a042 Mon Sep 17 00:00:00 2001 From: Tilman Date: Tue, 15 Sep 2020 14:21:45 +0200 Subject: [PATCH] =?UTF-8?q?FicIcsTimestamps=20-=20konvertiert=20Export=20a?= =?UTF-8?q?us=20Google=20Kalender=20f=C3=BCr=20Import=20in=20Nextcloud?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../de/tilman/scripting/FixIcsTimestamps.java | 157 ++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 src/main/java/de/tilman/scripting/FixIcsTimestamps.java diff --git a/src/main/java/de/tilman/scripting/FixIcsTimestamps.java b/src/main/java/de/tilman/scripting/FixIcsTimestamps.java new file mode 100644 index 0000000..a387fc6 --- /dev/null +++ b/src/main/java/de/tilman/scripting/FixIcsTimestamps.java @@ -0,0 +1,157 @@ +package de.tilman.scripting; + +import java.io.BufferedReader; +import java.io.FileReader; +import java.text.SimpleDateFormat; +import java.util.ArrayList; +import java.util.Date; +import java.util.List; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/* +#41237 - Chor montags 17:30 ==> lokale Zeitzone, Zielformat +BEGIN:VEVENT +DTSTART;TZID=Europe/Berlin:20200914T173000 +DTEND;TZID=Europe/Berlin:20200914T183000 +RRULE:FREQ=WEEKLY;WKST=MO;UNTIL=20210621T215959Z;BYDAY=MO +DTSTAMP:20200914T174410Z +UID:6hijie346lh3ib9p6pim6b9k75im2bb2c8rj0bb360q68d9h6gqjed9k6c@google.com +CREATED:20200911T140024Z +DESCRIPTION:● +LAST-MODIFIED:20200911T140024Z +LOCATION:Hardenbergstraße 33 +SEQUENCE:0 +STATUS:CONFIRMED +SUMMARY:Anton Staats- und Domchor Probe +TRANSP:OPAQUE +END:VEVENT + +#36351 Elternabend Jacob 11.3. 17:00-19:00 (Winterzeit) ==> muss konvertiert werden +BEGIN:VEVENT +DTSTART:20200311T160000Z +DTEND:20200311T180000Z +DTSTAMP:20200914T174410Z +UID:hrkrr1f67h1a38abhruogfjucdcdvoa03mm9187a22161l95ppftu64u8s@google.com +CREATED:20200106T155150Z +DESCRIPTION:● +LAST-MODIFIED:20200106T155151Z +LOCATION: +SEQUENCE:0 +STATUS:CONFIRMED +SUMMARY:Elternabend Jacob +TRANSP:OPAQUE +END:VEVENT + +#43692 Geburtstag Moritz 2.10. 14:45-18:30 (Sommerzeit) ==> muss konvertiert werden +BEGIN:VEVENT +DTSTART:20201002T124500Z +DTEND:20201002T163000Z +DTSTAMP:20200914T174410Z +UID:svt4q8rt5go36p78rkmtmu3gcs82t82bi5druln2hpq8tp1ldj96m2ea2h@google.com +CREATED:20200914T141118Z +DESCRIPTION:● +LAST-MODIFIED:20200914T141119Z +LOCATION:Dockx 3D Schwarzlicht Minigolf\nOrdensmeisterstr. 1-3 +SEQUENCE:0 +STATUS:CONFIRMED +SUMMARY:Kindergeburtstag Moritz (Anton) +TRANSP:OPAQUE +END:VEVENT +*/ + +public class FixIcsTimestamps { + + private final static Logger log = LoggerFactory.getLogger(FixIcsTimestamps.class); + + SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd'T'HHmmssZ"); + + String filePath = "/home/tilman/Schreibtisch/00 Temp/2019-10-20 Anica Kalender-Archiv/2020-09-14 Kalender-Backup tilman.liero@gmail.com.ical/Familie_tero23q0dqqfc45r4jjcecl7bs@group.calendar.google.com.ics"; + int counter = 0; + int dtval = 0; + int utcEntry = 0; + int tzEntry = 0; + int lineCounter = 1; + + public FixIcsTimestamps() { + log.info("Reading file " + filePath); + + BufferedReader reader; + List outLines = new ArrayList(); + try { + reader = new BufferedReader(new FileReader(filePath)); + String line = reader.readLine(); + + while (line != null) { + if (line.equals("BEGIN:VEVENT")) { + List appointment = new ArrayList(); + appointment.add(line); + + while (!line.equals("END:VEVENT")) { + line = reader.readLine(); + lineCounter++; + + if (line.startsWith("DTSTART:")) { // UTC, muss konvertiert werden + utcEntry++; + + String startDate = line.substring(8, 24); + Date date = dateFormat.parse(startDate.replaceAll("Z$", "+0000")); + + String convertedStartDate = "DTSTART;TZID=Europe/Berlin:" + dateFormat.format(date).substring(0,15); + appointment.add(convertedStartDate); + + log.info("input " + line + ", converted: " + convertedStartDate); + } else if (line.startsWith("DTEND:")) { // UTC, muss konvertiert werden + String endDate = line.substring(6, 22); + Date date = dateFormat.parse(endDate.replaceAll("Z$", "+0000")); + + String convertedEndDate = "DTEND;TZID=Europe/Berlin:" + dateFormat.format(date).substring(0,15); + appointment.add(convertedEndDate); + } else { // no conversion + if (line.startsWith("DTSTART;VALUE=DATE:")) { // ganztägiger Termin + dtval++; + } else if (line.startsWith("DTSTART;TZID=")) { // Local Timezone + tzEntry++; + } + + appointment.add(line); + } + } + + outLines.addAll(appointment); + + counter++; + } + else { + outLines.add(line); + } + + line = reader.readLine(); + lineCounter++; + } + + reader.close(); + + } catch (Exception e) { + e.printStackTrace(); + } + + log.info("Counter: " + counter); + log.info("DTVAL: " + dtval); + log.info("UTC: " + utcEntry); + log.info("TZ: " + tzEntry); + log.info("DTVAL + UTC + TZ = " + (dtval + utcEntry + tzEntry)); + + + for (String line : outLines) { + System.out.println(line); + } + + } + + public static void main(String[] args) { + new FixIcsTimestamps(); + } + +}