Calendar Toolbox#

import com.onixbyte.calendar.Calendar;
import com.onixbyte.calendar.component.Event;
import com.onixbyte.calendar.component.property.*;
import com.onixbyte.calendar.property.*;

import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;

public class CalendarExample {

    public static void main(String[] args) {
        // 创建所需的日期时间属性
        var now = ZonedDateTime.now(ZoneOffset.UTC);
        var dtstamp = DateTimeStamp.of(now);
        var uid = UniqueIdentifier.of("meeting-001@example.com");
        var dtstart = DateTimeStart.of(
            LocalDateTime.of(2025, 8, 15, 9, 0),
            "America/New_York"
        );
        var dtend = DateTimeEnd.of(
            LocalDateTime.of(2025, 8, 15, 10, 0),
            "America/New_York"
        );
        var summary = Summary.of("Team Standup");
        var description = Description.of("Daily team standup meeting.");

        // 构建事件
        var event = Event.builder()
            .withDateTimeStamp(dtstamp)
            .withUniqueIdentifier(uid)
            .withDateTimeStart(dtstart)
            .withDateTimeEnd(dtend)
            .withSummary(summary)
            .withDescription(description)
            .build();

        // 构建日历并输出 .ics 内容
        var calendar = Calendar.builder()
            .withCalendarScale(CalendarScale.of("GREGORIAN"))
            .withMethod(Method.of("PUBLISH"))
            .withProductIdentifier(ProductIdentifier.of("-//OnixByte//Calendar Toolbox//EN"))
            .withVersion(Version.of("2.0"))
            .withComponents(event)
            .build();

        System.out.println(calendar.formatted());
    }
}