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Commons Lang

[http://jakarta.apache.org/commons/lang Lang] aims to provide:

  • Comprehensive String handling utilities
  • Enumerated types (pre JDK 1.5)
  • Nested exceptions (pre JDK 1.4)
  • Builders to create hashCode, equals, toString and compareTo methods
  • Utilities for Object, Date and Numbers

The Javadoc of the 2.0 version (latest) is [http://jakarta.apache.org/commons/lang/api/index.html available].

The Javadoc of the CVS version (development) is [http://jakarta.apache.org/commons/lang/apidocs/index.html available].

Development plan for 2.1

All open issues done or pushed back for a later release.

Seeking opinions

  1. [http://issues.apache.org/bugzilla/show_bug.cgi?id=22692 22692] [StringUtils].split ignores empty items - new splitPreserveAllTokens Needs to be reviewed.

  2. [http://issues.apache.org/bugzilla/show_bug.cgi?id=22717 22717] [lang] MutableNumbers - see lang.mutable. - COMPLETE

  3. [http://issues.apache.org/bugzilla/show_bug.cgi?id=30334 30334] [lang] New class proposal: CharacterEncoding - COMPLETE

  4. [http://issues.apache.org/bugzilla/show_bug.cgi?id=29163 29163] Make [StopWatch] validate state transitions - COMPLETE

  5. [http://issues.apache.org/bugzilla/show_bug.cgi?id=26056 26056] [lang] Add methods to [ArrayUtils]: add at end and insert-like ops - *DONE - add(Object[], Object) is overloaded for all the primitives, as is add(Object[], int, Object) but addAll(Object[], Object[]) is not overloaded for primitives yet. _

  6. [http://issues.apache.org/bugzilla/show_bug.cgi?id=24910 24910] new [StringUtils].split methods that split on the whole separator string -* committed as splitByWholeSeparator*

  7. [http://issues.apache.org/bugzilla/show_bug.cgi?id=15082 15082] [lang] elapsed time formatting utility method -* DurationFormatUtils.*

  8. DateUtils.isSameDay()
  9. DurationUtils ISO_EXTENDED_FORMAT uses FastDateFormat. This has problems with padding of years. See commented TODO in DurationFormatUtils. -* No longer uses FastDateFormat. Instead it uses the DurationFormatUtils format code, of which a new variant has been added*

Pushed back

  1. [http://issues.apache.org/bugzilla/show_bug.cgi?id=21663 21663] [lang] Add support in [ToStringStyle] for [DateFormat]. -* Grows quickly into commons-convert*

  2. [http://issues.apache.org/bugzilla/show_bug.cgi?id=27643 27643] [lang][patch] [ClassUtils].newInstance method -* Seems unnecessary*

  3. [http://issues.apache.org/bugzilla/show_bug.cgi?id=29149 29149] [lang] [StringEscapeUtils].unescapeHtml() doesn't handle an empty entity -* Empty entity is in fact illegal HTML, so need to decide if we should ignore. Current behaviour seems acceptable as we're not in the work with bad HTML market.*

  4. StringBuffer replacement -* Probably 2.2/3.0. A lot of work in this I'd imagine. *

  5. [http://issues.apache.org/bugzilla/show_bug.cgi?id=26659 26659] [lang] add method to [DateUtils] to get the distance between 2 dates -* Mainly replicated by [DurationFormatUtils], or non-obvious*

  6. [http://issues.apache.org/bugzilla/show_bug.cgi?id=29692 29692] [lang] String indentation feature request -* Needs design as a non-simple problem*

  7. [http://issues.apache.org/bugzilla/show_bug.cgi?id=22172 22172] [lang] [DateUtils].parseCVS behavior parsing "h:mm z" -* Moved to sandbox*

  8. [http://issues.apache.org/bugzilla/show_bug.cgi?id=26297 26297] [lang] [BitSetUtils] class, toIndexArray and fromIndexArray

  9. [http://issues.apache.org/bugzilla/show_bug.cgi?id=26922 26922] [lang] public static boolean [DateUtils].equals(Date dt1, Date dt2)

  10. [http://issues.apache.org/bugzilla/show_bug.cgi?id=21333 21333] Add [TimeoutController] -* Class in [HttpClient]. Leaving til 3.0 as not much movement on it*

  11. [http://issues.apache.org/bugzilla/show_bug.cgi?id=30674 30674] Support [HttpClient]'s [DateParser] class -* This is basically a Date parseDate(String dateValue, String[] dateFormats) method. *

  12. [http://issues.apache.org/bugzilla/show_bug.cgi?id=15082 15082] [lang] elapsed time formatting utility method -* DurationFormatUtils. Needs finishing.*

  13. New text package with Interpolation class moved there and MappedMessageFormat from code in Digester.

  14. [http://issues.apache.org/bugzilla/show_bug.cgi?id=18962 18962] [lang] New Method: getSubstitutedValues( String, Map ) -* org.apache.commons.lang.text.Interpolation available for opinions*

Resolved list

  1. [http://issues.apache.org/bugzilla/show_bug.cgi?id=30929 30929] [lang] Nestable.indexOfThrowable(Class)uses Class.equals() to match -* DONE*

  2. [http://issues.apache.org/bugzilla/show_bug.cgi?id=27592 27592] [lang] [WordUtils] capitalize improvement -* DONE*

  3. [http://issues.apache.org/bugzilla/show_bug.cgi?id=23557 23557] [WordUtils].capitalizeFully(String str) should take a delimiter -* DONE*

  4. [http://issues.apache.org/bugzilla/show_bug.cgi?id=27778 27778] [lang] add remove methods to [ArrayUtils] -* DONE*

  5. StringTokenizer replacement:* (DONE - Tokenizer)*

  6. [http://issues.apache.org/bugzilla/show_bug.cgi?id=25227 25227] [lang] [StringEscapeUtils].unescapeHtml() doesn't handle hex entities -* DONE*

  7. [http://issues.apache.org/bugzilla/show_bug.cgi?id=27640 27640] [lang][patch] [ClassUtils].primitivesToWrappers method -* DONE*

  8. [http://issues.apache.org/bugzilla/show_bug.cgi?id=23749 23749] [lang] [PATCH] [NumberRange] - adds inclusive and exclusive end points -* WONTFIX*

  9. [http://issues.apache.org/bugzilla/show_bug.cgi?id=27876 27876] [lang] [ReflectionToStringBuilder].toString(null) throws exception by design -* DONE*

  10. [http://issues.apache.org/bugzilla/show_bug.cgi?id=27877 27877] [lang][patch] Make [ClassUtils] methods null-safe and not throw an IAE. -* DONE*

  11. StringUtils.ordinalIndexOf() -* Appears to be DONE*

  12. [http://issues.apache.org/bugzilla/show_bug.cgi?id=29673 29673] [lang] [ExceptionUtils]: new getCause() methodname (for tomcat-exception) -* DONE*

  13. [http://issues.apache.org/bugzilla/show_bug.cgi?id=25560 25560] [DateUtils].truncate() is off by one hour when using a date in DST switch 'zone' -* DONE*

  14. [http://issues.apache.org/bugzilla/show_bug.cgi?id=19331 19331] [lang] General case: infinite loop: [ToStringBuilder].reflectionToString -* The bugzilla entry* Gary Gregory 2003-06-23 17:27* shows this to have been fixed.*

  15. [http://issues.apache.org/bugzilla/show_bug.cgi?id=29294 29294] [lang][PATCH] Fix the Fraction class -* DONE*

  16. [http://issues.apache.org/bugzilla/show_bug.cgi?id=29794 29794] Add convenience format(long) methods to [FastDateFormat] -* DONE*

  17. [http://issues.apache.org/bugzilla/show_bug.cgi?id=28468 28468] [StringUtils].defaultString: Documentation error -* DONE*

  18. [http://issues.apache.org/bugzilla/show_bug.cgi?id=22489 22489] [lang]patch] [StringUtils].isAsciiPrintable() -* DONE*

  19. [http://issues.apache.org/bugzilla/show_bug.cgi?id=26646 26646] [lang] [FastDateFormat].getDateInstance(int, Locale) always uses the pattern from the first invocation -* DONE*

  20. [http://issues.apache.org/bugzilla/show_bug.cgi?id=31181 31181] [FastDateFormat] year bug -* DONE*

  21. [http://issues.apache.org/bugzilla/show_bug.cgi?id=32198 32198] [lang] Error in [JavaDoc] for [StringUtils].chomp(String, String) -* DONE_'

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