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 /*
  * TimeDescription.java
  *
  * Created on January 9, 2002, 11:13 AM
  */
 
 package javax.sdp;
 
 import java.io.*;
import java.util.*;

A TimeDescription represents the fields present within a SDP time description. Quoting from RFC 2327: Multiple "t=" fields may be used if a session is active at multiple irregularly spaced times; each additional "t=" field specifies an additional period of time for which the session will be active. If the session is active at regular times, an "r=" field (see below) should be used in addition to and following a "t=" field - in which case the "t=" field specifies the start and stop times of the repeat sequence. Please refer to IETF RFC 2327 for a description of SDP.

Author(s):
deruelle
Version:
1.0
public interface TimeDescription extends SerializableCloneable {

Constant used to translate between NTP time used in SDP and "native" Java time. NTP time is defined as the number of seconds relative to midnight, January 1, 1900 and Java time is measured in number of milliseconds since midnight, January 1, 1970 UTC (see System#currentTimeMillis()}). The value of this constant is 2208988800L. It can be used to convert between NTP and Java time using the following formulas: ntpTime = javaTime/1000 * SdpConstants.NTP_CONST; javaTime = (ntpTime - SdpConstants.NTP_CONST) * 1000; The Network Time Protocol (NTP) is defined in RFC 1305.
    
    public static final long NTP_CONST=2208988800L;
    
    
Returns the Time field.

Returns:
Time
    
    public Time getTime()throws SdpParseException;
    
    
Sets the Time field.

Parameters:
t Time to set
Throws:
SdpException if the time is null
    
    public void setTime(Time t)
             throws SdpException;
    
    
Returns the list of repeat times (r= fields) specified in the SessionDescription.

Parameters:
create boolean to set
Returns:
Vector
    
    public Vector getRepeatTimes(boolean create);
    
    
Returns the list of repeat times (r= fields) specified in the SessionDescription.

Parameters:
repeatTimes Vector to set
Throws:
SdpException if the parameter is null
    
    public void setRepeatTimes(Vector repeatTimes)
                    throws SdpException;
    
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