net.fortuna.ical4j.model.DateTimePropertyModifiers Maven / Gradle / Ivy

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/*
 *  Copyright (c) 2024, Ben Fortuna
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package net.fortuna.ical4j.model;

import net.fortuna.ical4j.model.property.*;

import java.time.Instant;
import java.time.temporal.Temporal;
import java.time.temporal.TemporalAmount;
import java.util.function.BiFunction;

/**
 * A collection of functions used to modify date-time properties in a target property container.
 * Used in conjunction with {@link PropertyContainer#with(BiFunction, Object)}
 */
public interface DateTimePropertyModifiers {

    BiFunction COMPLETED = (c, p) -> {
        if (p != null) c.replace(new Completed(p)); return c;
    };

    BiFunction DTEND = (c, p) -> {
        if (p != null) {
            c.replace(new DtEnd<>(p));
            c.removeAll(Property.DURATION);
        }
        return c;
    };

    BiFunction DUE = (c, p) -> {
        if (p != null) c.replace(new Due<>(p)); return c;
    };

    BiFunction DTSTART = (c, p) -> {
        if (p != null) c.replace(new DtStart<>(p)); return c;
    };

    BiFunction DURATION = (c, p) -> {
        if (p != null) {
            c.replace(new Duration(p));
            c.removeAll(Property.DTEND);
        }
        return c;
    };

    BiFunction FREEBUSY = (c, p) -> {
        if (p != null) c.replace(p); return c;
    };

    BiFunction TRANSP = (c, p) -> {
        if (p != null) c.replace(p); return c;
    };
}