Rename ICalendarWriter to ICalendarGenerator, allow null whereArgs in iterateEventAndExceptions (#127)

* Rename ICalendarWriter to ICalendarGenerator

* Allow null whereArgs in iterateEventAndExceptions

* Allow null where argument in iterateEventAndExceptions

Author: rfc2822

…e/synctools/icalendar/ICalendarWriter.kt …ynctools/icalendar/ICalendarGenerator.ktlib/src/main/kotlin/at/bitfire/synctools/icalendar/ICalendarWriter.kt renamed to lib/src/main/kotlin/at/bitfire/synctools/icalendar/ICalendarGenerator.kt lib/src/main/kotlin/at/bitfire/synctools/icalendar/ICalendarWriter.kt renamed to lib/src/main/kotlin/at/bitfire/synctools/icalendar/ICalendarGenerator.kt

@@ -26,7 +26,7 @@ import javax.annotation.WillNotClose
  * Writes an ical4j [net.fortuna.ical4j.model.Calendar] to a stream that contains an iCalendar
  * (VCALENDAR with respective components and optional VTIMEZONEs).
  */
-class ICalendarWriter {
+class ICalendarGenerator {
 
     /**
      * Generates an iCalendar from the given [AssociatedComponents].

lib/src/main/kotlin/at/bitfire/synctools/storage/calendar/AndroidRecurringCalendar.kt

@@ -91,7 +91,7 @@ class AndroidRecurringCalendar(
      * @param whereArgs     arguments for selection
      * @param body          callback that is called for each event (including exceptions)
      */
-    fun iterateEventAndExceptions(where: String, whereArgs: Array<String>, body: (EventAndExceptions) -> Unit) {
+    fun iterateEventAndExceptions(where: String?, whereArgs: Array<String>?, body: (EventAndExceptions) -> Unit) {
         // iterate through main events and attach exceptions
         calendar.iterateEvents(where, whereArgs) { main ->
             val mainEventId = main.entityValues.getAsLong(Events._ID)

…nctools/icalendar/ICalendarWriterTest.kt …ools/icalendar/ICalendarGeneratorTest.ktlib/src/test/kotlin/at/bitfire/synctools/icalendar/ICalendarWriterTest.kt renamed to lib/src/test/kotlin/at/bitfire/synctools/icalendar/ICalendarGeneratorTest.kt lib/src/test/kotlin/at/bitfire/synctools/icalendar/ICalendarWriterTest.kt renamed to lib/src/test/kotlin/at/bitfire/synctools/icalendar/ICalendarGeneratorTest.kt

@@ -22,15 +22,15 @@ import org.junit.Test
 import java.io.StringWriter
 import java.time.Duration
 
-class ICalendarWriterTest {
+class ICalendarGeneratorTest {
 
     private val tzRegistry = TimeZoneRegistryFactory.getInstance().createRegistry()
     private val tzBerlin = tzRegistry.getTimeZone("Europe/Berlin")!!
     private val tzLondon = tzRegistry.getTimeZone("Europe/London")!!
     private val tzUTC = tzRegistry.getTimeZone(TimeZones.UTC_ID)!!
 
     private val userAgent = "TestUA/1.0"
-    private val writer = ICalendarWriter()
+    private val writer = ICalendarGenerator()
 
     @Test
     fun `Write event with exceptions and various timezones`() {