DateUtil (Asynchronous Http Client 1.6.5 API)

java.lang.Object
- com.ning.http.util.DateUtil

```
public class DateUtil
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.

Author:

Christopher Brown, Michael Becke

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class DateUtil.DateParseException

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

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`PATTERN_ASCTIME` Date format pattern used to parse HTTP date headers in ANSI C `asctime()` format.
`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.

Method Summary

Methods
Modifier and Type	Method and Description
`static String`	`formatDate(Date date)` Formats the given date according to the RFC 1123 pattern.
`static String`	`formatDate(Date date, String pattern)` Formats the given date according to the specified pattern.
`static Date`	`parseDate(String dateValue)` Parses a date value.
`static Date`	`parseDate(String dateValue, Collection dateFormats)` Parses the date value using the given date formats.
`static Date`	`parseDate(String dateValue, Collection dateFormats, Date startDate)` Parses the date value using the given date formats.

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

- Field Detail
  - 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_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
- Method Detail
  - parseDate
```
public static Date parseDate(String dateValue)
                      throws DateUtil.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:
    
    DateUtil.DateParseException - if the value could not be parsed using any of the supported date formats
  - parseDate
```
public static Date parseDate(String dateValue,
             Collection dateFormats)
                      throws DateUtil.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:
    
    DateUtil.DateParseException - if none of the dataFormats could parse the dateValue
  - parseDate
```
public static Date parseDate(String dateValue,
             Collection dateFormats,
             Date startDate)
                      throws DateUtil.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:
    
    DateUtil.DateParseException - if none of the dataFormats could parse the dateValue
  - formatDate
```
public static String formatDate(Date date)
```
    Formats the given date according to the RFC 1123 pattern.
    
    Parameters:
    date - The date to format.
    
    Returns:
    An RFC 1123 formatted date string.
    See Also:
    PATTERN_RFC1123
  - 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

Class DateUtil

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PATTERN_RFC1123

PATTERN_RFC1036

PATTERN_ASCTIME

Method Detail

parseDate

parseDate

parseDate

formatDate

formatDate