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Apache Commons Configuration
Version 2.8.0
Release Notes
INTRODUCTION:
=============
This document contains the release notes for this version of the Commons
Configuration component. It describes the changes since the previous version.
The Commons Configuration software library provides a generic configuration
interface which enables an application to read configuration data from a variety
of sources.
Tools to assist in the reading of configuration/preferences files in
various formats
Minor release with new features and updated dependencies.
Changes in this version include:
New features:
o Implement Iterable in ImmutableNode #74. Thanks to SethiPandi.
o Add PropertiesConfigurationLayout.getBlankLinesBefore() and deprecate getBlancLinesBefore(). Thanks to Gary Gregory.
o Add PropertiesConfigurationLayout.setBlankLinesBefore() and deprecate setBlancLinesBefore(). Thanks to Gary Gregory.
o Add PropertiesConfigurationLayout.PropertyLayoutData.getBlankLines() and deprecate getBlancLines(). Thanks to Gary Gregory.
o Add PropertiesConfigurationLayout.PropertyLayoutData.setBlankLines() and deprecate setBlancLines(). Thanks to Gary Gregory.
o CONFIGURATION-789: Add ImmutableConfiguration.getEnum() methods. Thanks to Gary Gregory.
o CONFIGURATION-789: Add ImmutableConfiguration.getDuration() methods. Thanks to Gary Gregory.
Fixed Bugs:
o CONFIGURATION-753: Make interpolation of collections and arrays in ConfigurationInterpolator consistent with
behavior of DefaultConversionHandler. Add ConfigurationInterpolator.setStringConverter to
allow customized string conversion behavior.
o CONFIGURATION-795: Computation of blank lines after header comment #82. Thanks to dpeger.
o CONFIGURATION-801: Remove redundant initializer #110. Thanks to Arturo Bernal.
o CONFIGURATION-802: Use final #111. Thanks to Arturo Bernal.
o CONFIGURATION-803: Java 8 lambda improvements and more #112. Thanks to Arturo Bernal.
o CONFIGURATION-804: Redundant local variable #113. Thanks to Arturo Bernal.
o CONFIGURATION-805: Use try with resource #114. Thanks to Arturo Bernal.
o CONFIGURATION-805: [Javadoc] Specify that typed getList returns null for missing key #100. Thanks to Roman Zaynetdinov.
o Mention EnvironmentConfiguration in the list of configuration sources #45. Thanks to Oliver B. Fischer.
o CONFIGURATION-808: DefaultListDelimiterHandler.escapeList working only for List>String< #137. Thanks to cigaly.
o Use final #141. Thanks to Arturo Bernal.
o Replace test asserts by simpler but equivalent calls. #139 Thanks to Arturo Bernal.
o CONFIGURATION-764: Single Variable Interpolation #182. Thanks to Ning Zhang, Matt Juntunen, Bruno P. Kinoshita, Gary Gregory.
o Implement proper concurrency in ConstantLookup. Thanks to Gary Gregory.
o CONFIGURATION-813: Support new namespace jakarta.mail.* used by javamail 2.0+ (first release October 2020) #186. Thanks to Dependabot.
Changes:
o Unclosed file handle when reading config from JAR file URL.
Add and use FileBasedBuilderProperties.setURL(URL, URLConnectionOptions). Thanks to Robin Jansohn, Gary Gregory, Rob Spoor.
o Make default interpolation prefix lookups configurable via system property. Remove dns, url, and script
lookups from defaults. If these lookups are required for use in AbstractConfiguration subclasses, they must
be enabled via system property. See ConfigurationInterpolator.getDefaultPrefixLookups() for details.
o Bump actions/cache from 2 to 3.0.4 #99, #151, #169. Thanks to Dependabot, Gary Gregory.
o Bump actions/checkout from 1 to 3 #47, #62, #70, #85, #150, #163. Thanks to Dependabot.
o Bump actions/setup-java from 1.4.0 to 3 #63, #65, #73, #174. Thanks to Dependabot, Gary Gregory.
o Bump codeql-action from v1 to v2. Thanks to Dependabot, Matt Juntunen.
o Bump Spring dependency versions:
org.springframework:spring-beans 4.3.26.RELEASE -> 5.3.21
org.springframework:spring-context 4.3.26.RELEASE -> 5.3.21
org.springframework:spring-core 4.3.26.RELEASE -> 5.3.21
org.springframework:spring-test 4.3.26.RELEASE -> 5.3.21
#165, #172 Thanks to Dependabot, Matt Juntunen, kinow, Gary Gregory.
o Bump commons-parent from 52 to 53. Thanks to Dependabot, Matt Juntunen.
o CONFIGURATION-787: Bump Apache Commons Lang from 3.9 to 3.12.0. Thanks to Gary Gregory.
o CONFIGURATION-790: Bump com.fasterxml.jackson.core:jackson-databind from 2.10.3 to 2.13.3, #60. Thanks to Gary Gregory, Dependabot.
o Bump Slf4j test dependencies:
org.slf4j:slf4j-api 1.7.26 -> 1.7.33,
org.slf4j:slf4j-ext 1.7.26 -> 1.7.33,
org.slf4j:slf4j-log4j12 1.7.26 -> 1.7.33,
org.slf4j:slf4j-nop 1.7.26 -> 1.7.33. Thanks to Gary Gregory.
o Bump commons-parent from 50 to 52. Thanks to Dependabot.
o Bump mailapi from 1.6.4 to 1.6.7 #48. Thanks to Dependabot, Gary Gregory.
o Bump spotbugs-maven-plugin from 3.1.12.2 to 4.7.0.0, #55, #75, #79, #93, #116, #183. Thanks to Dependabot, Gary Gregory.
o Bump hsqldb from 2.5.0 to 2.5.2 #54, #128. Thanks to Dependabot.
o Bump commons-text from 1.8 to 1.9. Thanks to Gary Gregory.
o Bump servlet-api from 2.4 to 2.5 #58. Thanks to Gary Gregory.
o Bump maven-checkstyle-plugin from 3.1.0 to 3.1.2, #57, #97. Thanks to Gary Gregory.
o Bump commons-pool2 from 2.8.0 to 2.10.0, #61, #124. Thanks to Dependabot, Gary Gregory.
o Bump optional commons-codec from 1.14 to 1.15. Thanks to Gary Gregory.
o Bump checkstyle from 8.26 to 9.3, #66, #71, #90, #101, #118, #121, #132, #155. Thanks to Dependabot, Gary Gregory.
o Bump commons.jacoco.version 0.8.5 to 0.8.8 (Fixes Java 15 builds). Thanks to Gary Gregory.
o Bump tests from commons-pool2 2.10.0 to 2.11.1. Thanks to Gary Gregory.
o Bump tests from commons-dbcp2 2.7.0 to 2.9.0. Thanks to Gary Gregory.
o Bump snakeyaml from 1.26 to 1.30 #68, #126, #137. Thanks to Dependabot, Gary Gregory.
o Bump commons.japicmp.version from 0.14.1 to 0.15.7. Thanks to Gary Gregory.
o Bump junit from 4.13 to 4.13.2 #78. Thanks to Dependabot, Gary Gregory.
o Bump Apache Commons VFS 2.6.0 -> 2.9.0. Thanks to Gary Gregory.
o Bump jackson-databind from 2.11.3 to 2.13.2.2 ,#88, #94, #127, #159, #168, #173. Thanks to Dependabot.
o Bump commons.animal-sniffer.version 1.19 -> 1.20. Thanks to Gary Gregory.
o Bump commons.javadoc.version from 3.1.1 to 3.4.0. Thanks to Gary Gregory.
o Bump org.dbunit:dbunit from 2.7.0 to 2.7.3, #167. Thanks to Gary Gregory, Dependabot.
o Bump tests to hamcrest v2.2 #143. Thanks to John Patrick.
o Bump slf4j.version from 1.7.33 to 1.7.36 #166. Thanks to Dependabot.
o Bump mailapi from 1.6.6 to 2.0.1 #186. Thanks to Dependabot.
o Use GitHub Actions setup-java Maven cache property #190. Thanks to sullis.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions on how to submit bug reports,
patches, or suggestions for improvement, see the Apache Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
Download it from https://commons.apache.org/proper/commons-configuration//download_text.cgi
=============================================================================
Apache Commons Configuration
Version 2.7
Release Notes
INTRODUCTION:
=============
This document contains the release notes for this version of the Commons
Configuration component. It describes the changes since the previous version.
The Commons Configuration software library provides a generic configuration
interface which enables an application to read configuration data from a variety
of sources.
Tools to assist in the reading of configuration/preferences files in
various formats
Minor release with new features and updated dependencies.
Changes in this version include:
New features:
o CONFIGURATION-765: Refactor XMLConfiguration.write(Writer) to add XMLConfiguration.write(Writer, Transformer). Thanks to Gary Gregory.
Fixed Bugs:
o CONFIGURATION-761: Single argument DataConfiguration APIs always create empty arrays. Thanks to Gary Gregory.
o CONFIGURATION-767: NullPointerException in XMLConfiguration#createTransformer() when no FileLocator is set. Thanks to Gary Gregory.
o CONFIGURATION-768: XMLConfiguration#write does not indent XML elements. Thanks to Gary Gregory.
o CONFIGURATION-771: Update com.fasterxml.jackson.core:jackson-databind 2.10.0 -> 2.10.1. Thanks to Gary Gregory.
o CONFIGURATION-773: User's Guide > Properties files > Saving - small documentation bugs #41. Thanks to Dan Dragut.
Changes:
o CONFIGURATION-762: Use variable arguments. Thanks to Gary Gregory.
o Update ]com.puppycrawl.tools:checkstyle from 8.24 to 8.25. Thanks to Gary Gregory.
o CONFIGURATION-763: Update com.fasterxml.jackson.core:jackson-databind from 2.9.9 to 2.10.0. Thanks to Gary Gregory.
o [test] org.easymock:easymock 4.0.2 -> 4.1. Thanks to Gary Gregory.
o CONFIGURATION-775: Update Apache Commons VFS from 2.4.1 to 2.5.0. Thanks to Gary Gregory.
o CONFIGURATION-777: Update Apache Commons VFS from 2.5.0 to 2.6.0. Thanks to Gary Gregory.
o CONFIGURATION-778: Update optional Apache Commons Codec from 1.13 to 1.14. Thanks to Gary Gregory.
o Update tests from JUnit 4.12 to 4.13. Thanks to Gary Gregory.
o CONFIGURATION-779: Update optional jackson-databind from 2.10.1 to 2.10.2. Thanks to Gary Gregory.
o CONFIGURATION-783: Update com.fasterxml.jackson.core:jackson-databind from 2.10.2 to 2.10.3. Thanks to Gary Gregory.
o CONFIGURATION-784: Update org.yaml:snakeyaml from 1.25 to 1.26 and tweak parser configuration. Thanks to Gary Gregory.
o CONFIGURATION-785: Update org.springframework:spring-* from 4.3.25.RELEASE to 4.3.26.RELEASE. Thanks to Gary Gregory.
o Update org.apache.commons:commons-parent from 48 to 50 Thanks to Rob Tompkins.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions on how to submit bug reports,
patches, or suggestions for improvement, see the Apache Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
Download it from https://commons.apache.org/proper/commons-configuration//download_text.cgi
=============================================================================
Apache Commons Configuration
Version 2.6
Release Notes
2019-09-13
INTRODUCTION:
=============
This document contains the release notes for this version of the Commons
Configuration component. It describes the changes since the previous version.
The Commons Configuration software library provides a generic configuration
interface which enables an application to read configuration data from a variety
of sources.
Tools to assist in the reading of configuration/preferences files in
various formats
Minor release with new features and updated dependencies.
Changes in this version include:
New features:
o Document "includeOptional" on the site. Thanks to Gary Gregory.
o CONFIGURATION-756: Allow for custom behavior to handle errors loading included properties files. Thanks to Gary Gregory.
Fixed Bugs:
o CONFIGURATION-750: XMLPropertyListConfiguration cannot set arrays in the correct plist form. Thanks to Jason Pickens, Gary Gregory, Emmanuel Bourg.
o Fix Javadoc for org.apache.commons.configuration2.PropertiesConfiguration.getIncludeOptional(). Thanks to Gary Gregory.
o CONFIGURATION-760: Properties file using cyclical includes cause a StackOverflowError instead of detecting the misconfiguration. Thanks to Gary Gregory.
Changes:
o CONFIGURATION-751: Update Apache Commons Text from 1.6 to 1.7. Thanks to Gary Gregory.
o CONFIGURATION-752: Update Apache Commons VFS from 2.3 to 2.4.1. Thanks to Gary Gregory.
o CONFIGURATION-754: Update Apache Commons Text from 1.7 to 1.8. Thanks to Gary Gregory.
o CONFIGURATION-755: [CVE-2014-0114] Update Apache Commons BeanUtils from 1.9.3 to 1.9.4. Thanks to Gary Gregory.
o Fix syntax in user guide documentation #33. Thanks to Kevin Wang.
o CONFIGURATION-757: Update org.yaml:snakeyaml from 1.24 to 1.25. Thanks to Gary Gregory.
o Update tests from org.apache.commons:commons-dbcp2 2.6.0 to 2.7.0. Thanks to Gary Gregory.
o Update tests from org.apache.commons:commons-pool2 2.6.2 to 2.7.0. Thanks to Gary Gregory.
o CONFIGURATION-758: Update commons-codec:commons-codec from 1.12 to 1.13. Thanks to Gary Gregory.
o Update tests from org.hsqldb:hsqldb 2.4.1 to 2.5.0. Thanks to Gary Gregory.
o Update tests from com.sun.mail:mailapi 1.6.3 to 1.6.4. Thanks to Gary Gregory.
o CONFIGURATION-759: Update Spring from 4.3.24.RELEASE to 4.3.25.RELEASE. Thanks to Gary Gregory.
o Update maven-checkstyle-plugin from 3.0.0 to 3.1.0. Thanks to Gary Gregory.
o Use current version of Checkstyle: 6.18 to 8.24. Thanks to Gary Gregory.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions on how to submit bug reports,
patches, or suggestions for improvement, see the Apache Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
Download it from https://commons.apache.org/proper/commons-configuration/download_configuration.cgi
=============================================================================
Apache Commons Configuration
Version 2.5
Release Notes
INTRODUCTION:
=============
This document contains the release notes for this version of the Commons
Configuration component. It describes the changes since the previous version.
The Commons Configuration software library provides a generic configuration
interface which enables an application to read configuration data from a variety
of sources.
Minor release with new features and updated dependencies.
Changes in this version include:
Fixed Bugs:
o CONFIGURATION-731: Allow user to specify the comments and separator chars. Thanks to Shuai Zhang, Gary Gregory.
Changes:
o CONFIGURATION-738: Update Jackson from 2.9.7 to 2.9.8. Thanks to Gary Gregory.
o CONFIGURATION-739: Update Apache Commons Codec from 1.11 to 1.12. Thanks to Gary Gregory.
o CONFIGURATION-740: Update Apache Commons VFS from 2.2 to 2.3. Thanks to Gary Gregory.
o CONFIGURATION-741: Update Spring from 4.3.19 to 4.3.22. Thanks to Gary Gregory.
o CONFIGURATION-743: Update optional library snakeyaml from 1.23 to 1.24. Thanks to Gary Gregory.
o CONFIGURATION-747: Update Apache Commons Lang from 3.8.1 to 3.9. Thanks to Gary Gregory.
o CONFIGURATION-746: Update Jackson from 2.9.8 to 2.9.9. Thanks to Gary Gregory.
o CONFIGURATION-747: Update Spring from 4.3.22 to 4.3.24. Thanks to Gary Gregory.
o CONFIGURATION-745: Add the special key "includeoptional" for properties files. Thanks to Gary Gregory.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions on how to submit bug reports,
patches, or suggestions for improvement, see the Apache Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
=============================================================================
Apache Commons Configuration
Version 2.4
Release Notes
INTRODUCTION:
=============
This document contains the release notes for this version of the Commons
Configuration component. It describes the changes since the previous version.
The Commons Configuration software library provides a generic configuration
interface which enables an application to read configuration data from a variety
of sources.
Minor release with new features and updated dependencies.
Changes in this version include:
NEW FEATURES
============
o CONFIGURATION-712: FileHandlerReloadingDetector now has a new refresh() method to
initialize the reloading state from the underlying file. This new
method is called by DefaultReloadingDetectorFactory when a new detector
instance is created. This makes sure that a changed configuration file
is directly detected on the first invocation of the
isReloadingRequired() method. Thanks to Rolland Hobbie.
o CONFIGURATION-713: Configuration properties can now be converted to regular expressions. Thanks to Lars W.
o CONFIGURATION-715: With JupIOFactory a new IOFactory implementation is now available that
implements handling of whitespace in a way closer to java.util.Properties.
This class can be used when stricter compatibility with Java standard
methods for reading and writing properties files is needed. Thanks to Patrick Schmidt.
o CONFIGURATION-716: JupIOFactory (introduced for CONFIGURATION-715) also implements
handling of escape sequences in a way closer to java.util.Properties. Thanks to Patrick Schmidt.
o CONFIGURATION-724: Add support for Commons Text 1.4 localhost string lookup as a default lookup.
o CONFIGURATION-726: Add support for Commons Text 1.5 new string lookups as default lookups.
FIXED BUGS
==========
o CONFIGURATION-710: Fixed numerous typos in user guides. Thanks to thc202.
o CONFIGURATION-711: Update Apache Commons Lang from 3.7 to 3.8.1.
o CONFIGURATION-727: org.apache.commons.configuration2.DatabaseConfiguration never closes result sets and statements.
CHANGES
=======
o CONFIGURATION-720: Replace use of deprecated Commons Lang string substitution code for Commons Text.
o CONFIGURATION-694: Update Java requirement from version 7 to 8.
o CONFIGURATION-721: Update Jackson from 2.9.6 to 2.9.7.
o CONFIGURATION-722: Update optional dependency snakeyaml from 1.21 to 1.23.
o CONFIGURATION-723: Update optional Spring dependencies from 4.3.18.RELEASE to 4.3.19.RELEASE.
o CONFIGURATION-725: Update Apache Commons Text from 1.4 to 1.5.
o CONFIGURATION-728: Update Apache Commons Text from 1.5 to 1.6.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions on how to submit bug reports,
patches, or suggestions for improvement, see the Apache Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
=============================================================================
Apache Commons Configuration
Version 2.3
Release Notes
INTRODUCTION:
=============
This document contains the release notes for this version of the Commons
Configuration component. It describes the changes since the previous version.
The Commons Configuration software library provides a generic configuration
interface which enables an application to read configuration data from a
variety of sources.
Version 2.3 is another maintenance release for the Configuration 2.x series. It
contains bug fixes and also a few new features like support for File and Path
as data types. The release is fully source and binary compatible with version
2.2.
Commons Configuration 2.3 requires Java 1.7 or higher.
New features
============
o CONFIGURATION-692
ConversionExceptions thrown when accessing the properties of a configuration
now contain the original cause of the exception.
o CONFIGURATION-693
Configuration properties can now be converted to the data types File and
Path.
o CONFIGURATION-698
Add org.apache.commons.configuration2.MapConfiguration.toString().
o CONFIGURATION-698
Add toString() methods here and there to help debugging.
o CONFIGURATION-701
CompositeConfiguration now supports an addConfigurationFirst() method to add
child configurations with a higher priority.
Fixed Bugs
==========
o CONFIGURATION-652
Root node attributes are now updated correctly when loading XML configuration
files.
o CONFIGURATION-686
JSONConfiguration can now handle list structures with complex objects as
elements.
o CONFIGURATION-687
Fixed a memory leak in CombinedConfigurationBuilder. Builder for the child
sources were created each time a new result configuration was requested; thus
the list with child builders got longer and longer. This also had an impact
on reloading because unnecessary reloading operations could be triggered. Now
it is guaranteed that child builders are created only once.
o CONFIGURATION-688
Fixed a bug related to the handling of multiple include files in
PropertiesConfiguration.
o CONFIGURATION-690
ExprLookup.getVariables() no longer returns null, but a copy of the current
variables of this lookup object.
o CONFIGURATION-691
ExprLookup now handles expressions that do not return a string result by
converting them to string.
o CONFIGURATION-703
XMLConfiguration now handles elements correctly whose value consists only of
whitespace if the xml:space attribute is set to preserve.
Other changes
=============
o CONFIGURATION-675
Added a .gitignore file to the project.
o Some dependencies have been updated to their most recent versions. However,
as no new features of these dependencies are used, the older versions should
still work. The following dependencies are affected:
o Update Apache Commons Lang dependency from 3.6 to 3.7.
o Update Apache Commons VFS from 2.1 to 2.2.
o Update Apache Commons Codec from 1.10 to 1.11.
o Update Spring from 4.3.9.RELEASE to 4.3.18.RELEASE
o Update optional dependency snakeyaml from 1.18 to 1.21.
o Update optional dependency Jackson from 2.8.9 to 2.9.6.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions on how to submit bug reports,
patches, or suggestions for improvement, see the Apache Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
=============================================================================
Apache Commons Configuration
Version 2.2
Release Notes
INTRODUCTION:
=============
This document contains the release notes for this version of the Commons
Configuration component. It describes the changes since the previous version.
The Commons Configuration software library provides a generic configuration
interface which enables an application to read configuration data from a
variety of sources.
Version 2.2 is another maintenance release for the Configuration 2.x series. It
contains a number of bug fixes and also some new features. Among the highlights
is the new support for JSON and YAML configurations. The release is fully
source and binary compatible with version 2.1.1.
Commons Configuration 2.2 requires Java 1.7 or higher.
New features
============
o CONFIGURATION-666
Add convenience ctor ConfigurationRuntimeException(String, Object...).
o CONFIGURATION-665
Add org.apache.commons.configuration2.AbstractHierarchicalConfiguration.toString().
o CONFIGURATION-664
Add API org.apache.commons.configuration2.tree.ImmutableNode.getChildren(String).
o CONFIGURATION-660
Add toString() methods here and there to help debugging.
o CONFIGURATION-658
Add API org.apache.commons.configuration2.DataConfiguration.getURI(String)
methods.
o CONFIGURATION-656
Added new YAMLConfiguration class to support configuration files in YAML
format.
o CONFIGURATION-653
ConfigurationUtils and ConfigurationConverter now offer better support for
immutable configurations.
o CONFIGURATION-647
INIConfiguration can now be configured to use a custom separator between
properties and values when writing an ini file.
o CONFIGURATION-258
Added new JSONConfiguration class to support configuration files in JSON
format.
Fixed Bugs
==========
o CONFIGURATION-671
Fixed a NPE in INIConfiguration when saving a configuration with an empty
section.
o CONFIGURATION-669
The node model returned by SubnodeConfiguration.getNodeModel() has now the
correct root node set.
Other changes
=============
o CONFIGURATION-673
Added an Automatic-Module-Name header to the manifest for compatibility with
the Java 9 module system.
o CONFIGURATION-669
Update optional Spring dependency from 4.2.5.RELEASE to 4.3.9.RELEASE.
o CONFIGURATION-667
Update Apache Commons Lang dependency from 3.3.2 to 3.6.
o CONFIGURATION-663
Fixed a typo in the upgrade to 2.0 guide.
o CONFIGURATION-661
Update platform requirement from Java 6 to 7.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions on how to submit bug reports,
patches, or suggestions for improvement, see the Apache Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
=============================================================================
Apache Commons Configuration
Version 2.1.1
Release Notes
INTRODUCTION:
=============
This document contains the release notes for this version of the Commons
Configuration component. It describes the changes since the previous version.
The Commons Configuration software library provides a generic configuration
interface which enables an application to read configuration data from a
variety of sources.
The release is fully source and binary compatible with version 2.1.
Commons Configuration 2.1 requires Java 1.6 or higher.
Fixed Bugs
==========
o CONFIGURATION-649
Improved the handling of lists defined by a string with delimiter characters
in XMLConfiguration. Such lists now retain their original format when the
configuration is saved.
o CONFIGURATION-648
Made the IOFactory property of PropertiesBuilderParameter compatible with the
most recent version of Commons BeanUtils. This version changed the handling
of properties starting with multiple uppercase letters.
o CONFIGURATION-646
PropertiesConfiguration now works correctly with the auto-save mode.
o CONFIGURATION-644
PropertiesConfigurationLayout no longer duplicates a header comment if a file
with another comment is loaded. Thanks to Andrew DeMaria.
o CONFIGURATION-643
Documentation improvements for the user's guide.
o CONFIGURATION-641
Improved documentation of FileBased interface. The Javadocs now state
explicitly that the methods should not be called by client code. Exception
handling in configuration classes implementing FileLocatorAware has been
improved.
o CONFIGURATION-640
PropertiesConfiguration now correctly unescapes some special characters that
are always escaped in Java properties files.
Other changes
=============
o CONFIGURATION-639
In the OSGi bundle manifest of the Commons Configuration bundle the package
imports for Spring packages are now marked as optional.
Thanks to Rico Neubauer.
o CONFIGURATION-638
Improved handling of temporary files and folders in unit tests.
Thanks to Ahmet Celik.
o CONFIGURATION-627
Updated dependency to Commons BeanUtils to version 1.9.3. This fixes an issue
with an exception stacktrace that was logged when a ConfigurationBuilder was
used.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions on how to submit bug reports,
patches, or suggestions for improvement, see the Apache Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
=============================================================================
Commons Configuration Package
Version 2.1
Release Notes
INTRODUCTION
============
This document contains the release notes for this version of the Commons
Configuration component. It describes the changes since the previous version.
The Commons Configuration software library provides a generic configuration
interface which enables an application to read configuration data from a variety
of sources.
Version 2.1 is a first bug-fix release for the Configuration 2.x series and
also adds a new feature related to the integration with the Spring framework.
A list of all changes can be found below.
The release is fully source and binary compatible with version 2.0.
Commons Configuration 2.1 requires Java 1.6 or higher.
New Features
============
o CONFIGURATION-636
PropertiesConfigurationLayout now allows manipulating the order of keys when
the properties file is written.
o CONFIGURATION-624
Support Commons Configuration as PropertySource in Spring.
Fixed Bugs
==========
o CONFIGURATION-634
HomeDirectoryLocationStrategy now works correctly in the mode that evaluates
the FileLocator's base path.
o CONFIGURATION-633
Interpolation was improved to better support properties with multiple values.
o CONFIGURATION-632
The methods getStringArray() and getList() of CompositeConfiguration now
support the interpolation of variables that reference properties with
multiple values.
o CONFIGURATION-622
Fixed a problem in INIConfiguration.write() with keys containing a separator
character. This separator had been duplicated. Such keys are now handled
correctly when the configuration is saved.
Other changes
=============
o CONFIGURATION-628
Support for the ant build was dropped.
o CONFIGURATION-626
ImmutableConfiguration.getArray() has been deprecated. Arrays can now be
queried using the generic get() method in a type-safe way.
o CONFIGURATION-631
Updated optional dependency to Apache Commons VFS from 2.0 to 2.1. (The older
version still works.)
o CONFIGURATION-635
Updated optional dependency to Apache Commons Codec from 1.9 to 1.10. (The
older version still works.)
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions
on how to submit bug reports, patches, or suggestions for improvement, see the
Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
=============================================================================
Apache Commons Configuration
Version 2.0
Release Notes
INTRODUCTION
============
After a series of alpha and beta releases (please consult the corresponding
release notes below), this is the first final release for Apache Commons
Configuration 2.0.
Version 2.0 is a complete redesign of the Configuration 1.x API with the aim to
fix some limitations in the original design and make the library more flexible
and powerful. Therefore, this release is not a drop-in replacement for Commons
Configuration 1.x; there have been incompatible changes in many areas that
require adaptations on client code. A migration guide is available at
https://commons.apache.org/configuration/userguide/upgradeto2_0.html
that describes all breaking changes and helps when upgrading to the new
version. One obvious breaking change is the renaming of the main package
(all classes are now located under org.apache.commons.configuration2) and the
Maven coordinates (groupId: org.apache.commons, artifactId:
commons-configuration2). This was necessary to allow both versions to coexist
on the classpath without conflicts.
The user's guide has been completely reworked to describe all features of the
new version. It can be found at
https://commons.apache.org/configuration/userguide/user_guide.html
Changes:
========
o CONFIGURATION-621:
Moved ConfigurationLogger class to io package to avoid cyclic dependencies
between packages.
o CONFIGURATION-619:
CombinedConfigurationBuilder now supports inheritance of its parameters to
child configuration sources. This is enabled by default.
o CONFIGURATION-615:
Changed generic types in the signatures of a MapConfiguration constructor
and AbstractConfiguration.getList(String, List). These changes were made in
version 1.10 as fixes for CONFIGURATION-557 and CONFIGURATION-558. But it
had been missed to merge them to trunk.
Fixed Bugs:
===========
o CONFIGURATION-620:
Fixed two invalid examples in the user's guide for file-based configurations.
o CONFIGURATION-618:
When using immutable configurations exceptions thrown by the wrapped
configuration came out as UndeclaredThrowableException. This has been fixed;
now the correct original exception is thrown.
Commons Configuration 2.0 requires Java 1.6 or higher.
=============================================================================
Apache Commons Configuration
Version 2.0-beta2
Release Notes
After the first beta release in June 2015 there has been some feedback from the
community resulting in (minor) adaptations of the API. In most cases, the
return values of methods have been changed to be more generic. There has also
been a change in the support for logging. Therefore, this second beta release
is provided to make these changes more "official".
This release also includes some bug fixes. The bugs addressed here have partly
existed already in the Configuration 1.0 code base; so these fixes are not all
related to changes introduced in the 2.0 version.
Below is a list of all changes in this version. Please refer to the clirr
report at https://commons.apache.org/proper/commons-configuration/clirr-report.html
for information about changes which break binary compatibility.
Changes:
========
o CONFIGURATION-614:
References to Commons Logging have been removed from the Configuration API.
It is still possible to influence logging by making use of the new
ConfigurationLogger abstraction.
o CONFIGURATION-612:
The return type of ConfigurationBuilder.getConfiguration() was changed from
Configuration to ImmutableConfiguration because this is the base interface
for all configuration objects. Thanks to Jon Weygand.
o CONFIGURATION-608:
Adapted the return type of ReloadingFileBasedConfigurationBuilder.configure().
Fixed Bugs:
===========
o CONFIGURATION-609:
Fixed a bug in PropertiesConfiguration related to the loading of include
files. The FileHandler used for this purpose was not fully initialized.
o CONFIGURATION-605:
XMLConfiguration no longer drops keys when list delimiter characters occur
in element values.
o CONFIGURATION-604:
Fixed a problem in the conversion of a flat configuration to a hierarchical
one that could cause the loss of properties in a combined configuration
constructed by an override combiner.
Commons Configuration 2.0-beta2 requires Java 1.6 or higher.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions
on how to submit bug reports, patches, or suggestions for improvement, see the
Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
=============================================================================
Apache Commons Configuration
Version 2.0-beta1
Release Notes
This is the first beta release of Commons Configuration 2.0 after two alpha
versions. There has not been much feedback so far and no requests for API
changes. Therefore, we move forwards to a beta release indicating that the API
can be considered more stable. However, at this stage, changes of the API can
still not be fully excluded.
Below is a list of all changes in this version. Compared to version 2.0-alpha2,
there has only be a single change: an obsolete interface (which had been
overlooked during a major refactoring) was removed. So applications that are
using 2.0-alpha2 should be able to migrate to 2.0-beta1 without problems.
Changes:
========
o CONFIGURATION-598: Removed obsolete ConfigurationBuilder interface in the
base package.
=============================================================================
Apache Commons Configuration
Version 2.0-alpha2
Release Notes
After version 2.0-alpha1 has been out for a while (the corresponding release
notes can be found below), this second alpha release contains a few number of
improvements and new features whose implementation required some changes on
existing interfaces. In most cases, new methods were added offering enhanced
functionality. Because these are typically interfaces implemented by the
library itself client code using the previous alpha version should hardly be
affected.
Below is a list of all changes in this version:
New features:
=============
o CONFIGURATION-574: DefaultExpressionEngine can now be customized to match
configuration keys in a case-insensitive manner. This is useful
for instance for dealing with Windows INI files.
o CONFIGURATION-565: Added support for querying encoded properties.
o CONFIGURATION-200: A size() method was added to the ImmutableConfiguration interface.
Fixed Bugs:
===========
o CONFIGURATION-564: PropertiesConfiguration now supports again properties without a
value and a separator character. The keys of such properties
are added to the configuration with an empty String as value.
o CONFIGURATION-427: XMLPropertyListConfiguration can now save arrays in the correct form.
Historical list of changes: https://commons.apache.org/proper/commons-configuration/changes-report.html
For complete information on Apache Commons Configuration, including instructions on how to submit bug reports,
patches, or suggestions for improvement, see the Apache Commons Configuration website:
https://commons.apache.org/proper/commons-configuration/
=============================================================================
Apache Commons Configuration
Version 2.0-alpha1
Release Notes
This is the first alpha release for version 2.0 of Commons Configuration.
Version 2 is a major redesign of the Configuration API. It breaks compatibility
in many areas and, therefore, is not a drop-in replacement for Commons
Configuration 1.x. To allow collaboration with an older version of the library
(and to prevent jar and dependency hell), the top-level package and the Maven
coordinates have been changed. There is an upgrade guide available at
https://commons.apache.org/configuration/userguide/upgradeto2_0.html
describing the most important breaking changes. Be sure to read this
document if you want to switch from a 1.x version to this new version. The
user's guide which can be found at
https://commons.apache.org/configuration/userguide/user_guide.html
has been reworked to cover all the new and changed features.
The main purpose of this alpha release is to gather feedback from the
community about the reworked API. IT IS NOT YET PRODUCTION READY. It is
expected that there will still be some changes on the public API.
Below is a list of all changes in this version:
New features:
=============
o CONFIGURATION-579: A migration guide has been created which supports when upgrading from
version 1.x to 2.0.
o CONFIGURATION-559: It is now possible to define default values for initialization
properties of configurations.
o CONFIGURATION-551: The data type conversion mechanism has been made extensible. There is a
new interface ConversionHandler which controls the data type conversions
available for a configuration object. By setting a custom implementation,
conversions can be adapted or extended.
o CONFIGURATION-550: Conversion to Character is now supported.
o CONFIGURATION-541: Multi-file configurations are no longer restricted to XML configuration
files. Arbitrary file-based configurations are now supported.
o CONFIGURATION-535: DatabaseConfiguration now provides get methods for querying its
properties defining the underlying database structures.
o CONFIGURATION-533: DatabaseConfiguration now automatically converts CLOBs to strings if
they appear in property values.
o CONFIGURATION-525: PropertiesConfiguration now keeps a comment at the bottom of a
properties file. A new footer property was added for reading and
writing this footer comment.
o CONFIGURATION-519: Configuration objects are now created via configuration builders. A new
API for configuration builders has been added.
o CONFIGURATION-517: Hierarchical configurations now provide methods to obtain sub
configurations for all child elements of a given key.
o CONFIGURATION-514: Bean declarations now support constructor invocations.
o CONFIGURATION-512: It is now possible to obtain an immutable view on a Configuration or
HierarchicalConfiguration object. New interfaces,
ImmutableConfiguration, and ImmutableHierarchicalConfiguration have
been introduced.
o CONFIGURATION-508: Generic get() methods have been added to the Configuration interface.
These methods expect a target class and try to convert the value of
the specified property to this target class.
o CONFIGURATION-204: With the new reloading mechanism automatic and periodic reloading checks
can be performed.
o CONFIGURATION-202: Reloading checks can now be performed in a background thread.
Fixed Bugs:
===========
o CONFIGURATION-582: Fixed a StringIndexOutOfBoundsException in PropertiesConfigurationLayout
which was caused by lines containing only whitespace.
o CONFIGURATION-572: When a CombinedConfiguration is cleared it removes itself as change
listener from all child configurations. This fixes a possible memory
leak.
o CONFIGURATION-570: Fixed a possible ConcurrentModificationException when a SystemConfiguration
instance is passed to the append() or copy() methods.
o CONFIGURATION-567: XMLBeanDeclaration now escapes node names before they are used to
determine nested properties. Thanks to Shen liang.
Changes:
o CONFIGURATION-591: Removed methods from ConfigurationConverter related to ExtendedProperties.
This class is no longer supported by recent versions of Commons
Collections.
o CONFIGURATION-590: Removed Serializable interface from all configuration implementations.
Some configuration classes declared this interface without being
actually serializable.
o CONFIGURATION-588: The name of the top-level package and the maven coordinates have been
changed to allow a coexistence of Commons Configuration 1.x with 2.0.
o CONFIGURATION-584: The event mechanism has been reworked. There is now a generic event
listener interface which can be used to receive notifications from
multiple types of event sources.
o CONFIGURATION-578: The user's guide has been fully reworked to cover all new and enhanced
features of version 2.0.
o CONFIGURATION-577: The dependency to Commons Collections is no longer needed.
o CONFIGURATION-576: A new abstract base class for hierarchical configurations was introduced
which supports arbitrary hierarchical data structures. The type of the
nodes used by the configuration can now be specified as a generic type
argument. This makes the integration of other hierarchical structures
easier.
o CONFIGURATION-575: Hierarchical configurations now operate on immutable structures.
Data is no longer represented by ConfigurationNode objects. The
ImmutableNode class now serves as data container.
o CONFIGURATION-573: XPathExpressionEngine can now deal with namespace prefixes in node and
attribute names.
o CONFIGURATION-563: The DefaultExpressionEngine class is now immutable. An instance can be
shared between multiple configuration objects.
o CONFIGURATION-562: Improved the API of ExprLookup.
o CONFIGURATION-555: Fixed a bug in the handling of the xml:space attribute in
XMLConfiguration. The attribute is now also applied to the current
element, not only to sub elements.
o CONFIGURATION-554: BeanHelper is no longer a static utility class. Instances can be
created with a specific configuration of bean factories. There is still
a default instance which can be obtained via the BeanHelper.INSTANCE
field.
o CONFIGURATION-553: The code for accessing configuration files has been reworked. Methods
related to locating configuration files have been moved from
ConfigurationUtils to a new FileLocatorUtils class. Customizable
strategy classes (implementing the new FileLocationStrategy) can be
used for searching for configuration files.
o CONFIGURATION-546: BeanHelper can now process BeanDefinitions initializing properties of
collection types of their target beans. Thanks to Justin Couch.
o CONFIGURATION-544: Added missing dependencies to build.xml. Thanks to Oliver Kopp.
o CONFIGURATION-542: The mechanism for synchronizing configurations has been completely
redesigned. It is now based on Synchronizer objects which can be
configured by client code. A new chapter was added to the user's guide
regarding thread-safety of configurations.
o CONFIGURATION-540: MapConfiguration now directly uses a Properties object passed to its
constructor as data store rather than copying it. This allows
SystemConfiguration to be connected to system properties; i.e.
changing a property through SystemConfiguration immediately affects
the corresponding system property.
o CONFIGURATION-539: The deprecated INIConfiguration class was removed.
HierarchicalINIConfiguration was renamed to INIConfiguration.
o CONFIGURATION-537: The deprecated ConfigurationFactory class was removed.
o CONFIGURATION-536: File-based configurations are now implemented in a different way.
The interfaces FileConfiguration and ReloadingStrategy have been
removed, also the base classes AbstractFileConfiguration and
AbstractHierarchicalFileConfiguration. They are replaced by the
FileBased interface and the FileHandler class which implements
central I/O functionality. Reloading is now in the responsibility of
configuration builders.
o CONFIGURATION-534: The includesAllowed property of PropertyConfiguration is now independent
from the existence of a base path.
o CONFIGURATION-530: Concurrent access to configurations and reloading have been completely
redesigned. Because reloading is now handled by configuration builders
there is no need to acquire a lock in order to protected against a
reload operations.
o CONFIGURATION-527: AbstractConfiguration.clearPropertyDirect() is now abstract. Thanks to Matthias Richter.
o CONFIGURATION-526: XMLPropertiesConfiguration now supports loading from and saving to DOM