+++ /dev/null
-package edu.uci.iotproject.io;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.IOException;
-import java.time.Instant;
-import java.time.LocalDateTime;
-import java.time.ZoneId;
-import java.time.ZonedDateTime;
-import java.time.format.DateTimeFormatter;
-import java.util.*;
-
-/**
- * Parses a file to obtain the timestamps at which the smart plug was toggled on/off.
- *
- * @author Rahmadi Trimananda {@literal <rtrimana@uci.edu>}
- * @author Janus Varmarken {@literal <jvarmark@uci.edu>}
- */
-public class TriggerTimesFileReader {
-
- public static final ZoneId ZONE_ID_LOS_ANGELES = ZoneId.of("America/Los_Angeles");
- public static final ZoneId ZONE_ID_BUDAPEST = ZoneId.of("Europe/Budapest");
-
- /**
- * Reads a file with trigger timestamps and parses the timestamps into {@link Instant}s using the rules specified
- * by {@link #parseTriggerTimestamp(String, boolean)}.
- * @param fileName The absolute path to the file with trigger timestamps.
- * @param _24hFormat {@code true} if the timestamps in the file are in 24 hour format, {@code false} if they are in
- * AM/PM format.
- * @return A containing the trigger timestamps represented as {@code Instant}s.
- */
- public List<Instant> readTriggerTimes(String fileName, boolean _24hFormat) {
- List<Instant> listTriggerTimes = new ArrayList<>();
- File file = new File(fileName);
- try (BufferedReader br = new BufferedReader(new FileReader(file))) {
- String s;
- while ((s = br.readLine()) != null) {
- listTriggerTimes.add(parseTriggerTimestamp(s, _24hFormat));
- }
- } catch (IOException e) {
- e.printStackTrace();
- }
- System.out.println("List has: " + listTriggerTimes.size());
- return listTriggerTimes;
- }
-
- /**
- * Parses a timestamp string to an {@link Instant} (UTC). Assumes timestamps are LA time.
- * Format is expected to be either "MM/dd/uuuu HH:mm:ss" or "MM/dd/uuuu h:mm:ss a".
- *
- * @param timestampStr The string containing a date-time timestamp for LA's timezone.
- * @param _24hFormat {@code true} if the time in {@code timestampStr} is given in 24 hour format, {@code false} if
- * it is given in AM/PM format.
- * @return An {@code Instant} representation of the parsed timestamp. Note that the {@code Instant} marks a point on
- * the timeline in UTC. Use {@link Instant#atZone(ZoneId)} to convert to the corresponding time in a given
- * timezone.
- */
- public Instant parseTriggerTimestamp(String timestampStr, boolean _24hFormat) {
- // Note: only one 'h' when not prefixed with leading 0 for 1-9; and only one 'a' for AM/PM marker in Java 8 time
- String format = _24hFormat ? "MM/dd/uuuu HH:mm:ss" : "MM/dd/uuuu h:mm:ss a";
- LocalDateTime localDateTime = LocalDateTime.parse(timestampStr, DateTimeFormatter.ofPattern(format, Locale.US));
- ZonedDateTime laZonedDateTime = localDateTime.atZone(ZONE_ID_LOS_ANGELES);
- return laZonedDateTime.toInstant();
- }
-
-}