org.apache.solr.common.util
Class DateUtil

java.lang.Object
  extended by org.apache.solr.common.util.DateUtil

public class DateUtil
extends Object

This class has some code from HttpClient DateUtil.


Field Summary
static Collection<String> DEFAULT_DATE_FORMATS
          A suite of default date formats that can be parsed, and thus transformed to the Solr specific format
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.
static TimeZone UTC
           
 
Constructor Summary
DateUtil()
           
 
Method Summary
static Calendar formatDate(Date date, Calendar cal, Appendable out)
          Formats the date and returns the calendar instance that was used (which may be reused)
static DateFormat getThreadLocalDateFormat()
          Returns a formatter that can be use by the current thread if needed to convert Date objects to the Internal representation.
static Date parseDate(String d)
          Returns a formatter that can be use by the current thread if needed to convert Date objects to the Internal representation.
static Date parseDate(String d, Collection<String> fmts)
           
static Date parseDate(String dateValue, Collection<String> dateFormats, Date startDate)
          Slightly modified from org.apache.commons.httpclient.util.DateUtil.parseDate

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

DEFAULT_DATE_FORMATS

public static final Collection<String> DEFAULT_DATE_FORMATS
A suite of default date formats that can be parsed, and thus transformed to the Solr specific format


UTC

public static TimeZone UTC
Constructor Detail

DateUtil

public DateUtil()
Method Detail

parseDate

public static Date parseDate(String d)
                      throws ParseException
Returns a formatter that can be use by the current thread if needed to convert Date objects to the Internal representation.

Parameters:
d - The input date to parse
Returns:
The parsed Date
Throws:
ParseException - If the input can't be parsed

parseDate

public static Date parseDate(String d,
                             Collection<String> fmts)
                      throws ParseException
Throws:
ParseException

parseDate

public static Date parseDate(String dateValue,
                             Collection<String> dateFormats,
                             Date startDate)
                      throws ParseException
Slightly modified from org.apache.commons.httpclient.util.DateUtil.parseDate

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:
ParseException - if none of the dataFormats could parse the dateValue

getThreadLocalDateFormat

public static DateFormat getThreadLocalDateFormat()
Returns a formatter that can be use by the current thread if needed to convert Date objects to the Internal representation.

Returns:
The DateFormat for the current thread

formatDate

public static Calendar formatDate(Date date,
                                  Calendar cal,
                                  Appendable out)
                           throws IOException
Formats the date and returns the calendar instance that was used (which may be reused)

Throws:
IOException


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