DateUtils

java.lang.Object
- io.milton.http.DateUtils

```
public class DateUtils
extends Object
```
A utility class for parsing and formatting HTTP dates as used in cookies and other headers. This class handles dates as defined by RFC 2616 section 3.3.1 as well as some other common non-standard formats.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class DateUtils.DateParseException

Nested Classes
Modifier and Type	Class and Description
`static class`	`DateUtils.DateParseException`

Field Summary

Fields
Modifier and Type	Field and Description
`static TimeZone`	`GMT`
`static String`	`PATTERN_ASCTIME` Date format pattern used to parse HTTP date headers in ANSI C `asctime()` format.
`static String`	`PATTERN_ASCTIME2` Another Date format pattern used to parse HTTP date headers in ANSI C `asctime()` format.
`static String`	`PATTERN_RESPONSE_HEADER` Used for response headers, and for modified date in propfind
`static String`	`PATTERN_RFC1036` Date format pattern used to parse HTTP date headers in RFC 1036 format.
`static String`	`PATTERN_RFC1123` Date format pattern used to parse HTTP date headers in RFC 1123 format.
`static String`	`PATTERN_RFC1123_HYPHENS` Like PATTERN_RFC1123 but with hyphens between the date components
`static String`	`PATTERN_RFC1123_NOSECS` Date format pattern used to parse HTTP date headers in RFC 1123 format.
`static String`	`PATTERN_WEBDAV`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static String`	`formatDate(Calendar cal)`
`static String`	`formatDate(Date date)`
`static String`	`formatDate(Date date, String pattern)` Formats the given date according to the specified pattern.
`static String`	`formatForCookieExpiry(Date date)`
`static String`	`formatForHeader(Date date)`
`static String`	`formatForWebDavModifiedDate(Date date)` Use the long date form required for MS windows explorer
`static String`	`pad2(int i)`
`static Date`	`parseDate(String dateValue)` Parses a date value.
`static Date`	`parseDate(String dateValue, Collection<String> dateFormats)` Parses the date value using the given date formats.
`static Date`	`parseDate(String dateValue, Collection<String> dateFormats, Date startDate)` Parses the date value using the given date formats.
`static Date`	`parseIcalDateTime_old(String s)`
`static Date`	`parseIcalDateTime(String s)` 20140104T050000Z 20131222T000000Z
`static Date`	`parseWebDavDate(String s)` Parse date in format: 2010-09-03T09:29:43Z

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PATTERN_WEBDAV
```
public static final String PATTERN_WEBDAV
```
    See Also:
    
    Constant Field Values
  - PATTERN_RESPONSE_HEADER
```
public static final String PATTERN_RESPONSE_HEADER
```
    Used for response headers, and for modified date in propfind
    
    See Also:
    
    Constant Field Values
  - PATTERN_RFC1123
```
public static final String PATTERN_RFC1123
```
    Date format pattern used to parse HTTP date headers in RFC 1123 format.
    
    See Also:
    
    Constant Field Values
  - PATTERN_RFC1123_HYPHENS
```
public static final String PATTERN_RFC1123_HYPHENS
```
    Like PATTERN_RFC1123 but with hyphens between the date components
    
    See Also:
    
    Constant Field Values
  - PATTERN_RFC1123_NOSECS
```
public static final String PATTERN_RFC1123_NOSECS
```
    Date format pattern used to parse HTTP date headers in RFC 1123 format.
    
    See Also:
    
    Constant Field Values
  - PATTERN_RFC1036
```
public static final String PATTERN_RFC1036
```
    Date format pattern used to parse HTTP date headers in RFC 1036 format.
    
    See Also:
    
    Constant Field Values
  - PATTERN_ASCTIME
```
public static final String PATTERN_ASCTIME
```
    Date format pattern used to parse HTTP date headers in ANSI C asctime() format.
    
    See Also:
    
    Constant Field Values
  - PATTERN_ASCTIME2
```
public static final String PATTERN_ASCTIME2
```
    Another Date format pattern used to parse HTTP date headers in ANSI C asctime() format.
    
    See Also:
    
    Constant Field Values
  - GMT
```
public static final TimeZone GMT
```
- Method Detail
  - parseWebDavDate
```
public static Date parseWebDavDate(String s)
                            throws DateUtils.DateParseException
```
    Parse date in format: 2010-09-03T09:29:43Z
    
    Parameters:
    
    s -
    
    Returns:
    
    Throws:
    
    DateUtils.DateParseException
  - parseIcalDateTime
```
public static Date parseIcalDateTime(String s)
                              throws DateUtils.DateParseException
```
    20140104T050000Z 20131222T000000Z
    
    Parameters:
    
    s -
    
    Returns:
    
    Throws:
    
    DateUtils.DateParseException
  - parseIcalDateTime_old
```
public static Date parseIcalDateTime_old(String s)
                                  throws DateUtils.DateParseException
```
    Throws:
    
    DateUtils.DateParseException
  - parseDate
```
public static Date parseDate(String dateValue)
                      throws DateUtils.DateParseException
```
    Parses a date value. The formats used for parsing the date value are retrieved from the default http params.
    
    Parameters:
    
    dateValue - the date value to parse
    
    Returns:
    
    the parsed date
    
    Throws:
    
    DateUtils.DateParseException - if the value could not be parsed using any of the supported date formats
  - parseDate
```
public static Date parseDate(String dateValue,
                             Collection<String> dateFormats)
                      throws DateUtils.DateParseException
```
    Parses the date value using the given date formats.
    
    Parameters:
    
    dateValue - the date value to parse
    
    dateFormats - the date formats to use
    
    Returns:
    
    the parsed date
    
    Throws:
    
    DateUtils.DateParseException - if none of the dataFormats could parse the dateValue
  - parseDate
```
public static Date parseDate(String dateValue,
                             Collection<String> dateFormats,
                             Date startDate)
                      throws DateUtils.DateParseException
```
    Parses the date value using the given date formats.
    
    Parameters:
    
    dateValue - the date value to parse
    
    dateFormats - the date formats to use
    
    startDate - During parsing, two digit years will be placed in the range startDate to startDate + 100 years. This value may be null. When null is given as a parameter, year 2000 will be used.
    
    Returns:
    
    the parsed date
    
    Throws:
    
    DateUtils.DateParseException - if none of the dataFormats could parse the dateValue
  - formatDate
```
public static String formatDate(Date date)
```
  - formatDate
```
public static String formatDate(Calendar cal)
```
    Parameters:
    
    cal -
    
    Returns:
    
    See Also:
    
    PATTERN_WEBDAV
  - formatForHeader
```
public static String formatForHeader(Date date)
```
  - pad2
```
public static String pad2(int i)
```
  - formatDate
```
public static String formatDate(Date date,
                                String pattern)
```
    Formats the given date according to the specified pattern. The pattern must conform to that used by the simple date format class.
    
    Parameters:
    
    date - The date to format.
    
    pattern - The pattern to use for formatting the date.
    
    Returns:
    
    A formatted date string.
    
    Throws:
    
    IllegalArgumentException - If the given date pattern is invalid.
    
    See Also:
    
    SimpleDateFormat
  - formatForWebDavModifiedDate
```
public static String formatForWebDavModifiedDate(Date date)
```
    Use the long date form required for MS windows explorer
    
    Parameters:
    
    date -
    
    Returns:
  - formatForCookieExpiry
```
public static String formatForCookieExpiry(Date date)
```

Class DateUtils

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PATTERN_WEBDAV

PATTERN_RESPONSE_HEADER

PATTERN_RFC1123

PATTERN_RFC1123_HYPHENS

PATTERN_RFC1123_NOSECS

PATTERN_RFC1036

PATTERN_ASCTIME

PATTERN_ASCTIME2

GMT

Method Detail

parseWebDavDate

parseIcalDateTime

parseIcalDateTime_old

parseDate

parseDate

parseDate

formatDate

formatDate

formatForHeader

pad2

formatDate

formatForWebDavModifiedDate

formatForCookieExpiry