2006-03-12 16:54:04 -05:00
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<?xml version="1.0"?>
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<!--
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2006-08-28 02:21:41 -04:00
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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2006-03-12 16:54:04 -05:00
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<document>
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<properties>
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<title>Upgrade from 2.0 to 2.1</title>
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2007-07-29 16:03:50 -04:00
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<author email="dev@commons.apache.org">Commons Documentation Team</author>
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2006-03-12 16:54:04 -05:00
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</properties>
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<body>
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<section name="Upgrade">
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<p>
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These are the release notes and advice for upgrading Commons-Lang from
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version 2.0 to version 2.1.
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<source>
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INTRODUCTION:
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This document contains the release notes for the 2.1 version of Apache Jakarta Commons Lang.
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Commons Lang is a set of utility functions and reusable components that
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should be of use in any Java environment.
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INCOMPATIBLE CHANGES:
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- The Nestable interface defines the method indexOfThrowable(Class).
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Previously the implementations checked only for a specific Class.
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Now they check for subclasses of that Class as well.
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For most situations this will be the expected behaviour (ie. its a bug fix).
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If it causes problems, please use the ExceptionUtils.indexOfThrowable(Class) method instead.
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Note that the ExceptionUtils method is available in v1.0 and v2.0 of commons-lang and has not been changed.
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(An alternative to this is to change the public static matchSubclasses flag on NestableDelegate.
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However, we don't recommend that as a long-term solution.)
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- The StopWatch class has had much extra validation added.
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If your code previously relied on unusual aspects, it may no longer work.
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- Starting with version 2.1, Ant version 1.6.x is required to build. Copy
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junit.jar to ANT_HOME/lib. You can get JUnit from http://www.junit.org. See the developer's guide
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for more details.
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DEPRECATIONS:
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- The enum package has been renamed to enums for JDK1.5 compilance.
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All functionality is identical, just the package has changed.
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This package will be removed in v3.0.
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- NumberUtils.stringToInt - renamed to toInt
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- DateUtils - four constants, MILLIS_IN_* have been deprecated as they were defined
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as int not long. The replacements are MILLIS_PER_*.
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NEW FEATURES:
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New:
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- Mutable package - contains basic classes that hold an Object or primitive
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and provide both get and set methods.
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- DurationFormatUtils - provides various methods for formatting durations
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- CharEncoding - definitions of constants for character encoding work
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- CharUtils - utilities for working with characters
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Updated:
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- ArrayUtils - many more methods, especially List-like methods
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- BooleanUtils - isTrue and isFalse methods that handle null
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- ClassUtils - primitive to wrapper class conversion methods
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- ClassUtils - class name comparator
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- IllegalClassException - extra constructor for common instanceof case
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- NotImplementedException - supports nested exceptions
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- ObjectUtils - hashcode method handling null
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- StringUtils - isAsciiPrintable to check the contents of a string
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-- ordinalIndexOf to find the nth index of a string
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-- various remove methods to remove parts of a string
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-- various split methods to provide more control over splitting a string
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-- defaultIfEmpty to default a string if null or empty
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- SystemUtils - methods to get system properties as File objects
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-- extra constants representing system properties
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- Validate - new methods to check whether all elements in a collection are of a specific type
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- WordUtils - new methods to capitalize based on a set of specified delimiters
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- EqualsBuilder - now provides setter to internal state
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- ToStringStyle - new style, short prefix style
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- ReflectionToStringBuilder - more flags to control the output with regards to statics
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- ExceptionUtils - added indexOfType methods that check subclasses, thus leaving the existing
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indexOfThrowable method untouched (see incompatible changes section)
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- NumberUtils - various string to number parsing methods added
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- DateUtils - methods added to compare dates in various ways
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-- method to parse a date string using multiple patterns
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- FastDateFormat - extra formatting methods that take in a millisecond long value
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-- additional static factory methods
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- StopWatch - new methods for split behaviour
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BUG FIXES:
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19331 General case: infinite loop: ToStringBuilder.reflectionToString
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23174 EqualsBuilder.append(Object[], Object[]) throws NPE
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23356 Make DurationFormatUtils public!
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23557 WordUtils.capitalizeFully(String str) should take a delimiters
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23683 New method for converting a primitive Class to its corresponding wrapper
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23430 Minor javadoc fixes for StringUtils.contains(String, String)
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23590 make optional parameters in FastDateFormat really optional
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24056 Documentation error in StringUtils.replace
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25227 StringEscapeUtils.unescapeHtml() doesn't handle hex entities
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25454 new StringUtils.replaceChars behaves differently from old Ch
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25560 DateUtils.truncate() is off by one hour when using a date in DST switch 'zone'
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25627 DateUtils constants should be long
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25683 Add method that validates Collection elements are a correct
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25849 Add SystemUtils methods for directory properties.
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26616 ClassCastException in Enum.equals(Object)
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26699 Tokenizer Enhancements: reset input string, static CSV
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26734 NullPointerException in EqualsBuilder.append(Object[], Object[])
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26877 Add SystemUtils.AWT_TOOLKIT and others.
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26922 public static boolean DateUtils.equals(Date dt1, Date dt2)
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27592 WordUtils capitalize improvement
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27876 ReflectionToStringBuilder.toString(null) throws exception by design
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27877 Make ClassUtils methods null-safe and not throw an IAE.
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28468 StringUtils.defaultString: Documentation error
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28554 Add hashCode-support to class ObjectUtils
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29082 Enhancement of ExceptionUtils.CAUSE_METHOD_NAMES
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29149 StringEscapeUtils.unescapeHtml() doesn't handle an empty entity
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29294 lang.math.Fraction class deficiencies
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29673 ExceptionUtils: new getCause() methodname (for tomcat)
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29794 Add convenience format(long) methods to FastDateForma
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30328 HashCodeBuilder does not use the same values as Boolean (fixed as documentation)
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30334 New class proposal: CharacterEncoding
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30674 parseDate class from HttpClient's DateParser class
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30815 ArrayUtils.isEquals() throws ClassCastException when array1
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30929 Nestable.indexOfThrowable(Class) uses Class.equals() to match
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31395 DateUtils.truncate oddity at the far end of the Date spectrum
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31478 Compile error with JDK 5 "enum" is a keyword
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31572 o.a.c.lang.enum.ValuedEnum: 'enum'is a keyword in JDK1.5.0
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31933 ToStringStyle setArrayEnd handled null incorrectly
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32133 SystemUtils fails init on HP-UX
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32198 Error in JavaDoc for StringUtils.chomp(String, String)
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32625 Can't subclass EqualsBuilder because isEquals is private
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33067 EqualsBuilder.append(Object[], Object[]) crashes with a NullPointerException if an element of the first array is null
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33069 EqualsBuilder.append(Object[], Object[]) incorrectly checks that rhs[i] is instance of lhs[i]'s class
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33574 unbalanced ReflectionToStringBuilder
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33737 ExceptionUtils.addCauseMethodName(String) does not check for duplicates.
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</source>
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</p>
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</section>
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</body>
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</document>
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