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Class sun.servlet.http.HttpDate

java.lang.Object
   |
   +----sun.servlet.util.Ascii
           |
           +----sun.servlet.http.HttpDate

public class HttpDate

extends Ascii

BASE_DAY_OF_WEEK

DATELEN

Length of RFC 1123 format date string as written by getBytes().

days

Days of the week.

DAYS_PER_LEAP

DAYS_PER_YEAR

daysBeforeMonth

Number of days in a year before a given month.

daysBeforeMonthLeap

Number of days in a leap year before a given month.

daysInMonth

Number of days in the month.

daysInMonthLeap

Number of days in the month for a leap year.

hour

Hours, 0-based

mday

Day of the month, 1-based

min

Minutes, 0-based

mon

Month, 0-based

months

Months of the year.

sec

Seconds, 0-based

SECS_PER_DAY

SECS_PER_HOUR

SECS_PER_MIN

updater

Maintains updated current time.

wday

Weekday: Sun = 0, Sat = 6

year

Years since 1900

HttpDate()

Creates a new HttpDate object.

HttpDate(long)

Creates a new HttpDate object using the specified time.

daysBeforeMonth(int, int)

Returns number of days before the specified month of the specified year.

daysInMonth(int, int)

Returns number of days in the specified month of the specified year.

getBytes(byte[], int, int)

Writes an RFC 1123 formatted date to the specified subarray of bytes.

getCurrentTime()

Get the current time as number of milliseconds since the epoch.

getTime()

Returns the time as number of milliseconds since the epoch.

isLeapYear(int)

Returns true if the specified year is a leap year.

parse(byte[], int, int)

Parses an RFC 1123, RFC 1036, or ANSI C asctime() format date string from the specified byte array.

parse(String)

Parses an RFC 1123, RFC 1036, or ANSI C asctime() format date string from the specified string.

setTime()

Sets this HttpDate to the current time.

setTime(long)

Sets this HttpDate to the specified time.

toBytes(String)

Converts the specified string to an array of ascii bytes.

toString()

Returns a string representation of the date.

write(OutputStream)

Writes an RFC 1123 formatted date to the specified output stream.

 protected int sec

Seconds, 0-based

 protected int min

Minutes, 0-based

 protected int hour

Hours, 0-based

 protected int mday

Day of the month, 1-based

 protected int mon

Month, 0-based

 protected int year

Years since 1900

 protected int wday

Weekday: Sun = 0, Sat = 6

 protected static final byte days[][]

Days of the week.

 protected static final byte months[][]

Months of the year.

 protected static byte daysInMonth[]

Number of days in the month.

 protected static byte daysInMonthLeap[]

Number of days in the month for a leap year.

 protected static short daysBeforeMonth[]

Number of days in a year before a given month.

 protected static short daysBeforeMonthLeap[]

Number of days in a leap year before a given month.

 public static final int DATELEN

Length of RFC 1123 format date string as written by getBytes().

 protected static HttpDateUpdater updater

Maintains updated current time.

 protected static int DAYS_PER_YEAR

 protected static int DAYS_PER_LEAP

 protected static int SECS_PER_MIN

 protected static int SECS_PER_HOUR

 protected static int SECS_PER_DAY

 protected static int BASE_DAY_OF_WEEK

 public HttpDate(long ms)

Creates a new HttpDate object using the specified time.

Parameters:

ms - the time in milliseconds since the epoch

 public HttpDate()

Creates a new HttpDate object.

 public void parse(byte b[],
                   int off,
                   int len)

Parses an RFC 1123, RFC 1036, or ANSI C asctime() format date string from the specified byte array.

Parameters:

b - the bytes to parse

off - the start offset of the bytes

len - the length of the bytes

Throws: IllegalArgumentException

if the date format was invalid

 public void parse(String s)

Parses an RFC 1123, RFC 1036, or ANSI C asctime() format date string from the specified string.

Parameters:

s - the string to parse

Throws: IllegalArgumentException

if the date format was invalid

 public void write(OutputStream out) throws IOException

Writes an RFC 1123 formatted date to the specified output stream.

Parameters:

out - the output stream

Throws: IOException

if an I/O error has occurred

 public String toString()

Returns a string representation of the date.

Overrides:

toString in class Object

 public int getBytes(byte b[],
                     int off,
                     int len)

Writes an RFC 1123 formatted date to the specified subarray of bytes.

Parameters:

b - the byte array

off - the offset of the bytes

len - the length of the bytes

Returns:

the number of bytes returned

Throws: IllegalArgumentException

if len < DATELEN

 public long getTime()

Returns the time as number of milliseconds since the epoch.

 public static long getCurrentTime()

Get the current time as number of milliseconds since the epoch. Similar to System.currentTimeMillis(), but with one second resolution.

 protected static boolean isLeapYear(int year)

Returns true if the specified year is a leap year.

Parameters:

year - the year

 protected static int daysInMonth(int mon,
                                  int year)

Returns number of days in the specified month of the specified year.

Parameters:

mon - the month, 0-based

year - the year since 1900

 protected static int daysBeforeMonth(int mon,
                                      int year)

Returns number of days before the specified month of the specified year.

Parameters:

mon - the month, 0-based

year - the year since 1900

 public void setTime(long ms)

Sets this HttpDate to the specified time.

Parameters:

ms - the time in milliseconds since the epoch

 public void setTime()

Sets this HttpDate to the current time.

 protected static byte[] toBytes(String s)

Converts the specified string to an array of ascii bytes.

Parameters:

s - the string

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