pf-text.txt

基于JXTA开发平台的下载软件开发源代码

RELEASE NOTES FOR PACKAGE PF-Text
====================================

Author      : Manfred Duchrow
Last Update : March 21, 2003
Version     : 4.3

-------------------------------------------------------------------------------

VERSION 4.3 (21/03/2003)

* New methods in StringUtil
  - String[] remove( String[], String[] )
  - String[] remove( String[], String )
  - String[] removeNull( String[] )
  - leftPad( int anInteger, int len )
  - leftPadCh( int anInteger, int len, char ch )
  - rightPad( int anInteger, int len )
  - rightPadCh( int anInteger, int len, char ch )

* Optimized performance of methods StringUtil.append() by using
  System.arraycopy()
  
* New methods in CommandLineArguments
  - CommandLineArguments( String[] args, String switchIndicator )
  - copy()
  - addOption()
  - addOptionWithArgument()
  - removeOption()
  - removeOPtionWithArgument()

* MatchAttribute supports now Integer values in the attributes map for proper
  integer comparisons

-------------------------------------------------------------------------------

VERSION 4.2.1 (13/02/2003)

* New methods in StringPattern to support digit wildcard character
  - setDigitWildcardChar()
  - 2 new constructors with a digit wildcard char

  Allows to define match patterns like "AB-###-*" where '#' stands for
  a single digit character (0-9) which means "AB-263-ff" would match the
  pattern but "AB-9R1-C" won't.

-------------------------------------------------------------------------------

VERSION 4.2 (04/01/2003)

* New method in StringPattern
  - hasWildcard()

* MatchAttribute now supports operators
  - equals
  - greater
  - less
  - greater or equal
  - less or equal

* Extended LdapFilterParser to recognize <= and >= operators

* Extended MatchRuleChars with
  - getEqualsChar(), setEqualsChar()
  - getGreaterChar(), setGreaterChar()
  - getLessChar(), setLessChar()

* Changed MatchRuleVisitor.attribute() signature to pass the attributes
  compare operator to it

* Changed SqlMatchRuleVisitor to support the new operators

* Changed LdapMatchRuleVisitor to support the new operators

* Changed MatchRulePrinter to support the new operators

-------------------------------------------------------------------------------

VERSION 4.1.2 (22/11/2002)

* Support special characters in attribute names with
  MatchRuleChars.setSpecialNameCharacters() and
  a modified DefaultMatchRuleParser
  
-------------------------------------------------------------------------------

VERSION 4.1.1 (24/10/2002)

* BUGFIX: In MatchGroup.doMatch()
  Rules with different operators inside a group were evaluated wrong because
  of 'short circuit' implementation.
  
-------------------------------------------------------------------------------

VERSION 4.1 (30/09/2002)

* New methods in StringUtil
  - allParts()
  - allSubstrings()

* New methods in StringScanner
  - endReached()
  - endNotReached()
  - atEnd()
  - hasNext()
  - setPosition()

* New class StringExaminer

* Refactored StringPattern (now using StringExaminer instead of StringScanner)

* Changed all setXXXChar() methods in DefaultMatchRuleParser to
  visibility 'public'

-------------------------------------------------------------------------------

VERSION 4.0 (19.09.2002)

* New class DefaultMatchRuleParser which parses the normal MatchRule syntax
  e.g. (attr1{val1,val2} &! attr2{val3} | attr3{val4} )

* New class MatchRulePrinter which converts a MatchRule to a String using
  the normal MAtchRule syntax

* Re-design of MatchRule, MatchGroup and MatchAttribute
  - Removed parsing (now done by extra class DefaultMatchRuleParser)
  - Changed toString()

* New class LdapFilterParser to parse an LDAP search filter to a MatchRule

* Added two instance variables with setters and getters to MatchRuleParseException
  - position
  - parseString

* Added new instance variable with setters and getters to MatchAttribute
  - ignoreCaseInName

* Changed methods in StringUtil
  - suffix()      ->  Now returns the substring after the first (!) occurance
                      of the separator
  - cutHead()     ->  Now returns the substring after the last (!) occurance
                      of the separator
  - cutTail()     ->  Now returns the substring before the last (!) occurance
                      of the separator

* New methods in StringUtil
  - upTo()
  - startingFrom()
  - toMap()
  - asMap()
  - toProperties()
  - asProperties()

* BUGFIX: StringUtil.splitNameValue() didn't remove separators with more than
  one character correctly.

-------------------------------------------------------------------------------

VERSION 3.5.1 (19.09.2002)

* BUGFIX: org.pf.text.StringPattern didn't handle the following example correct:

    StringPattern.match( "MA_DR_HRBLUB", "*_HR*" )
    
    Returned false! After fixing the bug it returns true.
    During the fix the usage of java.text.CharacterIterator was replaced by
    org.pf.text.StringScanner.

-------------------------------------------------------------------------------

VERSION 3.5 (17.07.2002)

* New class CommandLineArguments

* BUGFIX: StringUtil.suffix() didn't work correctly for separators with more
  than one character.

-------------------------------------------------------------------------------

VERSION 3.4 (06.07.2002)

* Added to StringUtil
  - indexOf( String[] strArray, StringPattern pattern )
  - contains( String[] strArray, StringPattern pattern)
  - reverse( String str )

* StringPattern.toString() now returns the pattern string

* Bugfix in StringPattern.matches()
  Didn't match "London" on pattern "L*n"

-------------------------------------------------------------------------------

VERSION 3.3 (03.07.2002)

* Added to StringUtil
  - cutHead( String text, String separator )
  - prefix( String text, String separator )
  - suffix( String text, String separator )

-------------------------------------------------------------------------------

VERSION 3.2 (30.05.2002)

* Added StringUtil.getDelimitedSubstring( String text, String startDelimiter,
  																			String endDelimiter )

* Added StringUtil.cutTail( String text, String separator )

-------------------------------------------------------------------------------

VERSION 3.1 (17.05.2002)

- Added StringUtil.copyFrom()

-------------------------------------------------------------------------------

VERSION 3.0 (29.04.2002)

- Added StringUtil.splitNameValue()

- Renamed package from "com.pf.text" to "org.pf.text"

-------------------------------------------------------------------------------

VERSION 2.5.1 (16.01.2002)

- Made StringPattern serializable

-------------------------------------------------------------------------------

VERSION 2.5 (11.01.2002)

- New methods in StringUtil
  - appendIfNotThere()
  - indexOf()
  - indexOfIgnoreCase()
  - contains()
  - containsIgnoreCase()

-------------------------------------------------------------------------------

VERSION 2.4 (08.01.2002)

- Made MatchRule, MatchGroup, MatchAttributes and MatchRuleChars serializable

- BUGFIX: StringPattern.match() didn't handle "*xxx" patterns (multiple equal
  character after asterisk) correctly.

-------------------------------------------------------------------------------

VERSION 2.3 (24.11.2001)

- MatchRule upports now String[] and java.util.List of String as values of
  attributes inside a map.

-------------------------------------------------------------------------------

VERSION 2.2 (12.11.2001)

- New methods append( String[], String) and append( String[], String[])
  in StringUtil

- New methods asString( String[], String separator ) and asString( String[])
  in StringUtil

- MatchRule now supports NOT (!) before a group or attribute even if there's
  no preceeding AND/OR (&/|) operator.

- Changed LdapMatchRuleVisitor and SqlMatchRuleVisitor to support NOT
  operation correctly

-------------------------------------------------------------------------------

VERSION 2.1 (09.10.2001)

- Changed MatchGroup and MatchAttribute and some of their methods
  to be public, which allows external code to build rules as well.

-------------------------------------------------------------------------------

VERSION 2.0 (17.08.2001)

- New interface MatchResultVisitor

- New class SqlMatchResultVisitor

- New class LdapMatchResultVisitor

- New methods leftPad(), leftPadCh(), rightPad(), rightPadCh(),
  center(), centerCh() in class StringUtil