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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 latest version is [http://jakarta.apache.org/commons/lang/api/index.html available].

Development plan for 2.1

  1. [http://issues.apache.org/bugzilla/show_bug.cgi?id=29294 29294] [lang][PATCH] Fix the Fraction class - Patch being reviewed.

  2. [http://issues.apache.org/bugzilla/show_bug.cgi?id=19331 19331] [lang] General case: infinite loop: [ToStringBuilder].reflectionToString - Need to confirm whether this is a bug

  3. [http://issues.apache.org/bugzilla/show_bug.cgi?id=20015 20015] [lang] Make Entities public and unit test - Entities. Needs finishing.

  4. [http://issues.apache.org/bugzilla/show_bug.cgi?id=21333 21333] Add [TimeoutController] - Class in [HttpClient]. Needs evaluating.

  5. [http://issues.apache.org/bugzilla/show_bug.cgi?id=21333 21333] Support [HttpClient]'s [DateParser] class.

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

  7. [http://issues.apache.org/bugzilla/show_bug.cgi?id=26297 26297] [lang] [BitSetUtils] class, toIndexArray and fromIndexArray - DONE - Gary to confirm, looks like primitive overloads are still needed

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

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

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

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

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.

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

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

Resolved list

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

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

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

  4. StringTokenizer replacement: (DONE - Tokenizer)

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

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

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

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

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

  10. [http://issues.apache.org/bugzilla/show_bug.cgi?id=26056 26056] [lang] Add methods to [ArrayUtils]: add at end and insert-like ops - 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

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