import net.fortuna.ical4j.model.parameter.XParameter; //导入依赖的package包/类
protected void setMissing(Property prop, boolean missing) {
    Parameter parameter = 
        prop.getParameters().getParameter(PARAM_OSAF_MISSING);
    
    if (missing) {
        if (parameter == null) {
            prop.getParameters().add(
                    new XParameter(PARAM_OSAF_MISSING, VALUE_TRUE));
        }
    } else {
        if (parameter != null) {
            prop.getParameters().remove(parameter);
        }
    }
}
 

import net.fortuna.ical4j.model.parameter.XParameter; //导入依赖的package包/类
/**
 * Sets missing.
 * @param prop The property.
 * @param missing boolean.
 */
protected void setMissing(Property prop, boolean missing) {
    Parameter parameter = 
        prop.getParameters().getParameter(PARAM_OSAF_MISSING);
    
    if (missing) {
        if (parameter == null) {
            prop.getParameters().add(new XParameter(PARAM_OSAF_MISSING, VALUE_TRUE));
        }
    } else {
        if (parameter != null) {
            prop.getParameters().remove(parameter);
        }
    }
}
 

import net.fortuna.ical4j.model.parameter.XParameter; //导入依赖的package包/类
protected static XParameter toXParameter(String name, String value) {
    if (name == null || value == null) {
        return null;
    }
    return new XParameter(name, value);
}
 

import net.fortuna.ical4j.model.parameter.XParameter; //导入依赖的package包/类
protected Parameter getAnyTimeXParam() {
    return new XParameter(PARAM_X_OSAF_ANYTIME, VALUE_TRUE);
}
 

import net.fortuna.ical4j.model.parameter.XParameter; //导入依赖的package包/类
private Parameter getInheritedAnyTimeXParam() {
    return new XParameter(PARAM_X_OSAF_ANYTIME, VALUE_MISSING);
}
 

import net.fortuna.ical4j.model.parameter.XParameter; //导入依赖的package包/类
/**
 * Makes dummy event.
 * @return The event.
 */
public VEvent makeDummyEvent() {
    String serial = Integer.toString(++eseq);
    String summary = "dummy" + serial;

    // tomorrow
    java.util.Calendar start = java.util.Calendar.getInstance();
    start.add(java.util.Calendar.DAY_OF_MONTH, 1);
    start.set(java.util.Calendar.HOUR_OF_DAY, 9);
    start.set(java.util.Calendar.MINUTE, 30);

    // 1 hour duration
    Dur duration = new Dur(0, 1, 0, 0);
 
    VEvent event = new VEvent(new Date(start.getTime()), duration, summary);
    event.getProperties().add(new Uid(serial));
 
    // add timezone information
    VTimeZone tz = TimeZoneRegistryFactory.getInstance().createRegistry().
        getTimeZone("America/Los_Angeles").getVTimeZone();
    String tzValue =
        tz.getProperties().getProperty(Property.TZID).getValue();
    net.fortuna.ical4j.model.parameter.TzId tzParam =
        new net.fortuna.ical4j.model.parameter.TzId(tzValue);
    event.getProperties().getProperty(Property.DTSTART).
        getParameters().add(tzParam);

    // add an alarm for 5 minutes before the event with an xparam
    // on the description
    Dur trigger = new Dur(0, 0, -5, 0);
    VAlarm alarm = new VAlarm(trigger);
    alarm.getProperties().add(Action.DISPLAY);
    Description description = new Description("Meeting at 9:30am");
    XParameter xparam = new XParameter("X-COSMO-TEST-PARAM", "deadbeef");
    description.getParameters().add(xparam);
    alarm.getProperties().add(description);
    alarm.getProperties().add(new Description("Meeting at 9:30am"));
    event.getAlarms().add(alarm);

    // add an x-property with an x-param
    XProperty xprop = new XProperty("X-COSMO-TEST-PROP", "abc123");
    xprop.getParameters().add(xparam);
    event.getProperties().add(xprop);

    return event;
}
 

import net.fortuna.ical4j.model.parameter.XParameter; //导入依赖的package包/类
/**
 * Gets any time x param.
 * @return The parameter.
 */
private Parameter getAnyTimeXParam() {
    return new XParameter(ICalendarConstants.PARAM_X_OSAF_ANYTIME, ICalendarConstants.VALUE_TRUE);
}
 

import net.fortuna.ical4j.model.parameter.XParameter; //导入依赖的package包/类
/**
 * Gets any time param.
 * @return The parameter.
 */
protected Parameter getAnyTimeXParam() {
    return new XParameter(PARAM_X_OSAF_ANYTIME, VALUE_TRUE);
}