import org.jivesoftware.util.FastDateFormat; //导入依赖的package包/类
/**
 * Constructs a new offline message store.
 */
public OfflineMessageStore() {
    super("Offline Message Store");
    dateFormat = FastDateFormat.getInstance(JiveConstants.XMPP_DATETIME_FORMAT,
            TimeZone.getTimeZone("UTC"));
    dateFormatOld = FastDateFormat.getInstance(JiveConstants.XMPP_DELAY_DATETIME_FORMAT,
            TimeZone.getTimeZone("UTC"));
    sizeCache = CacheFactory.createCache("Offline Message Size");
}
 

import org.jivesoftware.util.FastDateFormat; //导入依赖的package包/类
/**
 * Utility method to format time.
 *
 * @param time   the time
 * @param format ancilliary format parameter - allowed to be null
 * @return the formatted string
 */
protected String getTime(final long time, final String format) {
    if (null == format) {
        return Long.toString(time);
    }
    else {
        synchronized (m_date) {
            if (null == m_simpleDateFormat) {
                m_simpleDateFormat = FastDateFormat.getInstance(format);
            }
            m_date.setTime(time);
            return m_simpleDateFormat.format(m_date);
        }
    }
}
 

import org.jivesoftware.util.FastDateFormat; //导入依赖的package包/类
public AuditorImpl(AuditManager manager) {
    auditManager = manager;
    dateFormat = FastDateFormat.getInstance("yyyyMMdd", TimeZone.getTimeZone("UTC"));
    auditFormat = FastDateFormat.getInstance("MMM dd, yyyy hh:mm:ss:SSS a", JiveGlobals.getLocale());
}
 

import org.jivesoftware.util.FastDateFormat; //导入依赖的package包/类
public UniqueFileStrategy(final File baseFile, String pattern) {
    this(baseFile);
    m_formatter = FastDateFormat.getInstance(pattern);
}