/*

 *  Licensed to the Apache Software Foundation (ASF) under one or more

 *  contributor license agreements.  See the NOTICE file distributed with

 *  this work for additional information regarding copyright ownership.

 *  The ASF licenses this file to You under the Apache License, Version 2.0

 *  (the "License"); you may not use this file except in compliance with

 *  the License.  You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 *  Unless required by applicable law or agreed to in writing, software

 *  distributed under the License is distributed on an "AS IS" BASIS,

 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *  See the License for the specific language governing permissions and

 *  limitations under the License.

 */

package org.apache.tomcat.jni;

/** Time

 *

 * @author Mladen Turk

 */

public class Time {

    /** number of microseconds per second */

    public static final long APR_USEC_PER_SEC  = 1000000L;

    /** number of miliseconds per microsecond */

    public static final long APR_MSEC_PER_USEC = 1000L;

    /** @return apr_time_t as a second */

    public static long sec(long t)

    {

        return t / APR_USEC_PER_SEC;

    }

    /** @return apr_time_t as a msec */

    public static long msec(long t)

    {

        return t / APR_MSEC_PER_USEC;

    }

    /**

     * number of microseconds since 00:00:00 january 1, 1970 UTC

     * @return the current time

     */

    public static native long now();

    /**

     * Formats dates in the RFC822

     * format in an efficient manner.

     * @param t the time to convert

     */

    public static native String rfc822(long t);

    /**

     * Formats dates in the ctime() format

     * in an efficient manner.

     * Unlike ANSI/ISO C ctime(), apr_ctime() does not include

     * a \n at the end of the string.

     * @param t the time to convert

     */

    public static native String ctime(long t);

    /**

     * Sleep for the specified number of micro-seconds.

     * <br /><b>Warning :</b> May sleep for longer than the specified time.

     * @param t desired amount of time to sleep.

     */

    public static native void sleep(long t);

}