/*
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 *     Copyright (C) 2004-2010 Open-Xchange, Inc.
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 *     This program is free software; you can redistribute it and/or modify it
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package com.openexchange.data.conversion.ical.ical4j.internal.calendar;

import static com.openexchange.data.conversion.ical.ical4j.internal.EmitterTools.toDateTime;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import net.fortuna.ical4j.model.component.CalendarComponent;
import net.fortuna.ical4j.model.property.DateProperty;
import com.openexchange.data.conversion.ical.ConversionError;
import com.openexchange.data.conversion.ical.ConversionWarning;
import com.openexchange.data.conversion.ical.ical4j.internal.AbstractVerifyingAttributeConverter;
import com.openexchange.data.conversion.ical.ical4j.internal.ParserTools;
import com.openexchange.groupware.container.CalendarObject;
import com.openexchange.groupware.contexts.Context;

/**
 * @author Francisco Laguna <francisco.laguna@open-xchange.com>
 */
public class LastModified <T extends CalendarComponent, U extends CalendarObject> extends AbstractVerifyingAttributeConverter<T,U> {

    public boolean isSet(final U calendar) {
        return calendar.containsLastModified();
    }

    public void emit(final int index, final U calendar, final T t, final List<ConversionWarning> warnings, final Context ctx, final Object... args) throws ConversionError {
        final net.fortuna.ical4j.model.property.LastModified lastModified = new net.fortuna.ical4j.model.property.LastModified();
        lastModified.setDate(toDateTime(calendar.getLastModified()));
        t.getProperties().add(lastModified);
    }

    public boolean hasProperty(final T t) {
        return null != t.getProperty("LAST-MODIFIED");
    }

    public void parse(final int index, final T component, final U cObj, final TimeZone timeZone, final Context ctx, final List<ConversionWarning> warnings) throws ConversionError {
        final DateProperty property = (DateProperty) component.getProperty("LAST-MODIFIED");
        final Date lastModified = ParserTools.parseDate(component, property, timeZone);
        cObj.setLastModified(lastModified);
    }
}
