org.springframework.security.web.savedrequest
Class FastHttpDateFormat

java.lang.Object
  org.springframework.security.web.savedrequest.FastHttpDateFormat

public class FastHttpDateFormat
extends java.lang.Object

Utility class to generate HTTP dates.

This class is based on code in Apache Tomcat.

Field Summary

protected static java.lang.String	currentDate Current formatted date.
protected static long	currentDateGenerated Instant on which the currentDate object was generated.
protected static java.text.SimpleDateFormat	format HTTP date format.
protected static java.util.HashMap<java.lang.Long,java.lang.String>	formatCache Formatter cache.
protected static java.text.SimpleDateFormat[]	formats The set of SimpleDateFormat formats to use in getDateHeader().
protected static java.util.TimeZone	gmtZone GMT time zone - all HTTP dates are on GMT
protected static java.util.HashMap<java.lang.String,java.lang.Long>	parseCache Parser cache.

Constructor Summary

FastHttpDateFormat()

Method Summary

static java.lang.String	formatDate(long value, java.text.DateFormat threadLocalformat) Formats a specified date to HTTP format.
static java.lang.String	getCurrentDate() Gets the current date in HTTP format.
static long	parseDate(java.lang.String value, java.text.DateFormat[] threadLocalformats) Tries to parse the given date as an HTTP date.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

format

protected static final java.text.SimpleDateFormat format

HTTP date format.

formats

protected static final java.text.SimpleDateFormat[] formats

The set of SimpleDateFormat formats to use in getDateHeader().

gmtZone

protected static final java.util.TimeZone gmtZone

GMT time zone - all HTTP dates are on GMT

currentDateGenerated

protected static long currentDateGenerated

Instant on which the currentDate object was generated.

currentDate

protected static java.lang.String currentDate

Current formatted date.

formatCache

protected static final java.util.HashMap<java.lang.Long,java.lang.String> formatCache

Formatter cache.

parseCache

protected static final java.util.HashMap<java.lang.String,java.lang.Long> parseCache

Parser cache.

Constructor Detail

FastHttpDateFormat

public FastHttpDateFormat()

Method Detail

formatDate

public static final java.lang.String formatDate(long value,
                                                java.text.DateFormat threadLocalformat)

Formats a specified date to HTTP format. If local format is not null, it's used instead.

Parameters:

value - Date value to format

threadLocalformat - The format to use (or null -- then HTTP format will be used)

Returns:

Formatted date

getCurrentDate

public static final java.lang.String getCurrentDate()

Gets the current date in HTTP format.

Returns:

Current date in HTTP format

parseDate

public static final long parseDate(java.lang.String value,
                                   java.text.DateFormat[] threadLocalformats)

Tries to parse the given date as an HTTP date. If local format list is not null, it's used instead.

Parameters:

value - The string to parse

threadLocalformats - Array of formats to use for parsing. If null, HTTP formats are used.

Returns:

Parsed date (or -1 if error occurred)