Commons Lang
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\[http://jakarta.apache.org/commons/lang Lang\] 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
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The Javadoc of the latest version is \[http://jakarta.apache.org/commons/lang/api/index.html available\](2.1) is available.
The Javadoc of the CVS version (development) is available.
Development plan for 2.
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2
- Bug fixes
- StrTokenizer
- StrBuilder
- VariableFormatter/interpolator - 18962
Other ideas
- StringUtils].ordinalIndexOf() 2. [StringBuffer] replacement 3. Mutable Number classes 4. [StringTokenizer] replacement: *(DONE - Tokenizer)* 5. 15082 \[lang\] elapsed time formatting utility method 5. 18962 \[lang\] New Method: getSubstitutedValues( String, Map ) 5. 19331 \[lang\] General case: infinite loop: [ToStringBuilder].reflectionToString 5. 20015 \[lang\] Make Entities public and unit test 5. 21333 Add [TimeoutController] 5. 21663
21663|http://issues.apache.org/bugzilla/show_bug.cgi?id=21663] \[lang\] Add support in [ToStringStyle] for [DateFormat]. |
5. 22172 \[lang\] [DateUtils].parseCVS behavior parsing "h:mm z" 5. 22692 [StringUtils].split ignores empty items 5. 22717- *Grows quickly into commons-convert* |
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[27643|http://issues.apache.org/bugzilla/show_bug.cgi?id=27643] \[lang\ |
] mutable numbers 5. 23356 make [DurationFormatUtils] public! 5. 23557 [WordUtils.capitalizeFully(String str) should take a delimiter 5. 23749 lang\PATCH\[NumberRange]adds inclusive and exclusive end points 5. 24910 Wiki Markup |
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[29149|http://issues.apache.org/bugzilla/show_bug.cgi?id=29149] |
new [StringUtils].split methods that split on the whole separator string 5. 25227 \[lang\] [StringEscapeUtils].unescapeHtml() doesn't handle an |
hexentities5.25560 [DateUtils].truncate()offbyonehourwhenusingadateinDSTswitch 'zone' 5. 26056 \[lang\] Add methods to [ArrayUtils]: add at end and insert-like ops 5. 26297 \[lang\] [BitSetUtils] class, toIndexArray and fromIndexArray 5. 26659should ignore. Current behaviour seems acceptable as we're not in the work with bad HTML market.* |
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[26659|http://issues.apache.org/bugzilla/show_bug.cgi?id=26659] \[lang\] add method to [DateUtils] to get the distance between 2 dates |
5.26922 \[lang\] public static boolean [DateUtils].equals(Date dt1, Date dt2) ? 5. 27592 *Mainly replicated by [DurationFormatUtils], or non-obvious* |
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[29692|http://issues.apache.org/bugzilla/show_bug.cgi?id=29692] \[lang\] |
[ String indentation feature request - *Needs design as a non-simple problem* |
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[22172|http://issues.apache.org/bugzilla/show_bug.cgi?id=22172] |
WordUtils] capitalize improvement 5. 27640 \[lang\]\[patch\] [ClassUtils].primitivesToWrappers method 5. 27643 \[patch\]ClassUtilsnewInstancemethod5. 27778 \[lang\] add remove methods to [ArrayUtils] 5. 27876 \[lang\] [ReflectionToStringBuilder].toString(null) throws exception by design 5. 27877parsing "h:mm z" - *Moved to sandbox* |
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[26297|http://issues.apache.org/bugzilla/show_bug.cgi?id=26297] \[lang |
\][patch\Make ClassUtilsmethods null-safeclass, toIndexArray and fromIndexArray |
- 21333 Add TimeoutController - Class in HttpClient. Leaving til 3.0 as not throw an IAE. 5. 29149 \[lang\] [StringEscapeUtils].unescapeHtml() doesn't handle an empty entity 5. 29163 Make [StopWatch] validate state transitions 5. 29294 \[lang\]\[PATCH\] lang.math.Fraction class deficienciesmuch movement on it
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[30674|http://issues.apache.org/bugzilla/show_bug.cgi?id=30674] Support [HttpClient]'s [DateParser] class - *This is basically a Date parseDate(String dateValue, String\[\] dateFormats) method.* |
- LocaleUtils - including toLocale(String,String)
- CloneUtils - multiple ways to clone an object
Articles
This article http://www.devx.com/Java/Article/29392/0/page/6 discusses some of the interesting classes in Commons Lang with real world examples.