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RELEASE-NOTES.txt
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Apache Commons IO
Version 2.5
Release Notes
INTRODUCTION:
Commons IO is a package of Java utility classes like java.io.
Classes in this package are considered to be so standard and of such high
reuse as to justify existence in java.io.
The Apache Commons IO library contains utility classes, stream implementations, file filters,
file comparators, endian transformation classes, and much more.
==============================================================================
Apache Commons IO Version 2.5
==============================================================================
New features and bug fixes.
Changes in this version include:
New features:
o IO-487: Add ValidatingObjectInputStream for controlled deserialization
o IO-471: Support for additional encodings in ReversedLinesFileReader Thanks to Leandro Reis.
o IO-425: Setter method for threshold on ThresholdingOutputStream Thanks to Craig Swank.
o IO-406: Introduce new class AppendableOutputStream Thanks to Niall Pemberton.
o IO-459: Add WindowsLineEndingInputStream and UnixLineEndingInputStream. Thanks to Kristian Rosenvold.
o IO-457: Add a BoundedReader, a wrapper that can be used to constrain access
to an underlying stream when used with mark/reset -
to avoid overflowing the mark limit of the underlying buffer. Thanks to Kristian Rosenvold.
o IO-426: Add API IOUtils.closeQuietly(Closeable...)
o IO-410: Readfully() That Returns A Byte Array Thanks to Beluga Behr.
o IO-395: Overload IOUtils buffer methods to accept buffer size Thanks to Beluga Behr.
o IO-382: Chunked IO for large arrays.
Added writeChunked(byte[], OutputStream) and writeChunked(char[] Writer)
Added ChunkedOutputStream, ChunkedWriter
o IO-233: Add Methods for Buffering Streams/Writers To IOUtils
Added overloaded buffer() methods - see also IO-330
o IO-330: IOUtils#toBufferedOutputStream/toBufferedWriter to conditionally wrap the output
Added overloaded buffer() methods - see also IO-233
o IO-381: Add FileUtils.copyInputStreamToFile API with option to leave the source open.
See copyInputStreamToFile(final InputStream source, final File destination, boolean closeSource)
o IO-379: CharSequenceInputStream - add tests for available()
Fix code so it really does reflect a minimum available.
o IO-346: Add ByteArrayOutputStream.toInputStream()
o IO-341: A constant for holding the BOM character (U+FEFF)
o IO-361: Add API FileUtils.forceMkdirsParent().
o IO-360: Add API Charsets.requiredCharsets().
o IO-359: Add IOUtils.skip and skipFully(ReadableByteChannel, long). Thanks to yukoba.
o IO-358: Add IOUtils.read and readFully(ReadableByteChannel, ByteBuffer buffer). Thanks to yukoba.
o IO-353: Add API IOUtils.copy(InputStream, OutputStream, int) Thanks to ggregory.
o IO-349: Add API with array offset and length argument to FileUtils.writeByteArrayToFile. Thanks to scop.
o IO-348: Missing information in IllegalArgumentException thrown by org.apache.commons.io.FileUtils#validateListFilesParameters. Thanks to plcstpierre.
o IO-345: Supply a hook method allowing Tailer actively determining stop condition. Thanks to mkresse.
o IO-437: Make IOUtils.EOF public and reuse it in various classes.
Fixed Bugs:
o IO-446: adds an endOfFileReached method to the TailerListener Thanks to Jeffrey Barrus.
o IO-484: FilenameUtils should handle embedded null bytes Thanks to Philippe Arteau.
o IO-481: Changed/Corrected algorithm for waitFor
o IO-428: BOMInputStream.skip returns wrong count if stream contains no BOM Thanks to Stefan Gmeiner.
o IO-488: FileUtils.waitFor(...) swallows thread interrupted status Thanks to Björn Buchner.
o IO-452: Support for symlinks with missing target. Added support for JDK7 symlink features when present Thanks to David Standish.
o IO-453: Regression in FileUtils.readFileToString from 2.0.1 Thanks to Steven Christou.
o IO-451: ant test fails - resources missing from test classpath Thanks to David Standish.
o IO-435: Document that FileUtils.deleteDirectory, directoryContains and cleanDirectory
may throw an IllegalArgumentException in case the passed directory does not
exist or is not a directory. Thanks to Dominik Stadler.
o IO-424: Javadoc fixes, mostly to appease 1.8.0 Thanks to Ville Skyttä.
o IO-389: FileUtils.sizeOfDirectory can throw IllegalArgumentException Thanks to Austin Doupnik.
o IO-390: FileUtils.sizeOfDirectoryAsBigInteger can overflow.
Ensure that recursive calls all use BigInteger
o IO-385: FileUtils.doCopyFile can potentially loop for ever
Exit loop if no data to copy
o IO-383: FileUtils.doCopyFile caches the file size; needs to be documented
Added Javadoc; show file lengths in exception message
o IO-380: FileUtils.copyInputStreamToFile should document it closes the input source Thanks to claudio_ch.
o IO-279: Tailer erroneously considers file as new.
Fix to use file.lastModified() rather than System.currentTimeMillis()
o IO-356: CharSequenceInputStream#reset() behaves incorrectly in case when buffer size is not dividable by data size.
Fix code so skip relates to the encoded bytes; reset now re-encodes the data up to the point of the mark
o IO-368: ClassLoaderObjectInputStream does not handle primitive typed members
o IO-314: Deprecate all methods that use the default encoding
o IO-338: When a file is rotated, finish reading previous file prior to starting new one
o IO-354: Commons IO Tailer does not respect UTF-8 Charset.
o IO-323: What should happen in FileUtils.sizeOf[Directory] when an overflow takes place?
Added Javadoc.
o IO-372: FileUtils.moveDirectory can produce misleading error message on failiure
o IO-362: IOUtils.contentEquals* methods returns false if input1 == input2, should return true. Thanks to mmadson, ggregory.
o IO-357: [Tailer] InterruptedException while the thread is sleeping is silently ignored Thanks to mortenh.
o IO-352: Spelling fixes. Thanks to scop.
o IO-436: Improper JavaDoc comment for FilenameUtils.indexOfExtension. Thanks to christoph.schneegans.
Changes:
o IO-433: Converted all testcases to JUnit 4
o IO-466: Added testcase to show this was fixed with IO-423
o IO-479: Correct exception message in FileUtils.getFile(File, String...) Thanks to Zhouce Chen.
o IO-465: Update to JUnit 4.12 Thanks to based2.
o IO-462: IOExceptionWithCause no longer needed
o IO-422: Deprecate Charsets Charset constants in favor of Java 7's java.nio.charset.StandardCharsets
o IO-239: Convert IOCase to a Java 1.5+ Enumeration
[N.B. this is binary compatible]
o IO-328: getPrefixLength returns null if filename has leading slashes
Javadoc: add examples to show correct behaviour; add unit tests
o IO-299: FileUtils.listFilesAndDirs includes original dir in results even when it doesn't match filter
Javadoc: clarify that original dir is included in the results
o IO-375: FilenameUtils.splitOnTokens(String text) check for '**' could be simplified
o IO-374: WildcardFileFilter ctors should not use null to mean IOCase.SENSITIVE when delegating to other ctors
Compatibility with 2.4:
Binary compatible: Yes.
Source compatible: Yes.
Semantic compatible: Yes.
Compatibility with 2.2 and 1.4:
Binary compatible: Yes.
Source compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.
Semantic compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.
Commons IO 2.5 requires JDK 1.6 or later.
Commons IO 2.4 requires JDK 1.6 or later.
Commons IO 2.3 requires JDK 1.6 or later.
Commons IO 2.2 requires JDK 1.5 or later.
Commons IO 1.4 requires JDK 1.3 or later.
==============================================================================
Apache Commons IO Version 2.4
==============================================================================
Changes in this version include:
New features:
o IO-269: Tailer locks file from deletion/rename on Windows. Thanks to
sebb.
o IO-333: Export OSGi packages at version 1.x in addition to 2.x. Thanks
to fmeschbe.
o IO-320: Add XmlStreamReader support for UTF-32. Thanks to ggregory.
o IO-331: BOMInputStream wrongly detects UTF-32LE_BOM files as
UTF-16LE_BOM files in method getBOM(). Thanks to ggregory.
o IO-327: Add byteCountToDisplaySize(BigInteger). Thanks to ggregory.
o IO-326: Add new FileUtils.sizeOf[Directory] APIs to return BigInteger.
Thanks to ggregory.
o IO-325: Add IOUtils.toByteArray methods to work with URL and URI. Thanks
to raviprak.
o IO-324: Add missing Charset sister APIs to method that take a String
charset name. Thanks to raviprak.
Fixed Bugs:
o IO-336: Yottabyte (YB) incorrectly defined in FileUtils. Thanks to
rleavelle.
o IO-279: Tailer erroneously considers file as new. Thanks to Sergio
Bossa, Chris Baron.
o IO-335: Tailer#readLines - incorrect CR handling.
o IO-334: FileUtils.toURLs throws NPE for null parameter; document the
behavior.
o IO-332: Improve tailer's reading performance. Thanks to liangly.
o IO-279: Improve Tailer performance with buffered reads (see IO-332).
o IO-329: FileUtils.writeLines uses unbuffered IO. Thanks to tivv.
o IO-319: FileUtils.sizeOfDirectory follows symbolic links. Thanks to
raviprak.
Compatibility with 2.3:
Binary compatible: Yes.
Source compatible: Yes.
Semantic compatible: Yes.
Compatibility with 2.2 and 1.4:
Binary compatible: Yes.
Source compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.
Semantic compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.
Commons IO 2.4 requires JDK 1.6 or later.
Commons IO 2.3 requires JDK 1.6 or later.
Commons IO 2.2 requires JDK 1.5 or later.
Commons IO 1.4 requires JDK 1.3 or later.
==============================================================================
Apache Commons IO Version 2.3
==============================================================================
Changes in this version include:
New features:
o IO-322: Add and use class Charsets. Thanks to ggregory.
o IO-321: ByteOrderMark UTF_32LE is incorrect. Thanks to ggregory.
o IO-318: Add Charset sister APIs to method that take a String charset name. Thanks to ggregory.
Compatibility with 2.2 and 1.4:
Binary compatible: Yes.
Source compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.
Semantic compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.
Commons IO 2.3 requires JDK 1.6 or later.
Commons IO 2.2 requires JDK 1.5 or later.
Commons IO 1.4 requires JDK 1.3 or later.
==============================================================================
Apache Commons IO Version 2.2
==============================================================================
Changes in this version include:
New features:
o Add IOUTils.toBufferedReader(Reader) Issue: IO-313. Thanks to ggregory.
o Allow applications to provide buffer (or size) for copyLarge methods. Issue: IO-308. Thanks to Manoj Mokashi.
o New copyLarge() method in IOUtils that takes additional offset, length arguments Issue: IO-305. Thanks to Manoj Mokashi.
o Use terabyte (TB), petabyte (PB) and exabyte (EB) in FileUtils.byteCountToDisplaySize(long size) Issue: IO-287. Thanks to Ron Kuris, Gary Gregory.
o FileUtils.listFiles() doesn't return directories Issue: IO-173. Thanks to Marcos Vinícius da Silva.
o CharSequenceInputStream to efficiently stream content of a CharSequence Issue: IO-297. Thanks to Oleg Kalnichevski.
o The second constructor of Tailer class does not pass 'delay' to the third one Issue: IO-304. Thanks to liangly.
o TeeOutputStream does not call branch.close() when main.close() throws an exception Issue: IO-303. Thanks to fabian.barney.
o ArrayIndexOutOfBoundsException in BOMInputStream when reading a file without BOM multiple times Issue: IO-302. Thanks to jsteuerwald, detinho.
o Add IOUtils.closeQuietly(Selector) necessary Issue: IO-301. Thanks to kaykay.unique.
o IOUtils.closeQuietly() should take a ServerSocket as a parameter Issue: IO-292. Thanks to sebb.
o Add read/readFully methods to IOUtils Issue: IO-290. Thanks to sebb.
o Supply a ReversedLinesFileReader Issue: IO-288. Thanks to Georg Henzler.
o Add new function FileUtils.directoryContains. Issue: IO-291. Thanks to ggregory.
o FileUtils.contentEquals and IOUtils.contentEquals - Add option to ignore "line endings"
Added contentEqualsIgnoreEOL methods to both classes Issue: IO-275. Thanks to CJ Aspromgos.
Fixed Bugs:
o IOUtils.read(InputStream/Reader) ignores the offset parameter Issue: IO-311. Thanks to Robert Muir.
o CharSequenceInputStream(CharSequence s, Charset charset, int bufferSize) ignores bufferSize Issue: IO-312.
o FileUtils.moveDirectoryToDirectory removes source directory if destination is a subdirectory Issue: IO-300.
o ReaderInputStream#read(byte[] b, int off, int len) should check for valid parameters Issue: IO-307.
o ReaderInputStream#read(byte[] b, int off, int len) should always return 0 for length == 0 Issue: IO-306.
o "FileUtils#deleteDirectoryOnExit(File)" does not work Issue: IO-276. Thanks to nkami.
o BoundedInputStream.read() treats max differently from BoundedInputStream.read(byte[]...) Issue: IO-273. Thanks to sebb.
o Various methods of class 'org.apache.commons.io.FileUtils' incorrectly suppress 'java.io.IOException' Issue: IO-298. Thanks to Christian Schulte.
Changes:
o ReaderInputStream optimization: more efficient reading of small chunks of data Issue: IO-296. Thanks to Oleg Kalnichevski.
Compatibility with 2.1 and 1.4:
Binary compatible: Yes
Source compatible: Yes
Semantic compatible: Yes. Check the bug fixes section for semantic bug fixes
Commons IO 2.2 requires a minimum of JDK 1.5.
Commons IO 1.4 requires a minimum of JDK 1.3.
==============================================================================
Apache Commons IO Version 2.1
==============================================================================
New features:
o Use standard Maven directory layout Issue: IO-285. Thanks to ggregory.
o Add IOUtils API toString for URL and URI to get contents Issue: IO-284. Thanks to ggregory.
o Add API FileUtils.copyFile(File input, OutputStream output) Issue: IO-282. Thanks to ggregory.
o FileAlterationObserver has no getter for FileFilter Issue: IO-262.
o Add FileUtils.getFile API with varargs parameter Issue: IO-261.
o Add new APPEND parameter for writing string into files Issue: IO-182.
o Add new read method "toByteArray" to handle InputStream with known size. Issue: IO-251. Thanks to Marco Albini.
Fixed Bugs:
o Dubious use of mkdirs() return code Issue: IO-280. Thanks to sebb.
o ReaderInputStream enters infinite loop when it encounters an unmappable character Issue: IO-277.
o FileUtils.moveFile() JavaDoc should specify FileExistsException thrown Issue: IO-264.
o ClassLoaderObjectInputStream does not handle Proxy classes Issue: IO-260.
o Tailer returning partial lines when reaching EOF before EOL Issue: IO-274. Thanks to Frank Grimes.
o FileUtils.copyFile() throws IOException when copying large files to a shared directory (on Windows) Issue: IO-266. Thanks to Igor Smereka.
o FileSystemUtils.freeSpaceKb throws exception for Windows volumes with no visible files.
Improve coverage by also looking for hidden files. Issue: IO-263. Thanks to Gil Adam.
Changes:
o FileAlterationMonitor.stop(boolean allowIntervalToFinish) Issue: IO-259.
==============================================================================
Apache Commons IO Package 2.0.1
==============================================================================
Compatibility with 2.0 and 1.4
------------------------------
Binary compatible - Yes
Source compatible - Yes
Semantic compatible - Yes
Check the bug fixes section for semantic bug fixes
Commons IO 2.0.1 requires a minimum of JDK 1.5
(Commons IO 1.4 had a minimum of JDK 1.3)
Enhancements from 2.0
---------------------
* [IO-256] - Provide thread factory for FileAlternationMonitor
Bug fixes from 2.0
------------------
* [IO-257] - BOMInputStream.read(byte[]) can return 0 which it should not
* [IO-258] - XmlStreamReader consumes the stream during encoding detection
==============================================================================
Apache Commons IO Package 2.0
==============================================================================
Compatibility with 1.4
----------------------
Binary compatible - Yes
Source compatible - Yes
Semantic compatible - Yes
Check the bug fixes section for semantic bug fixes
Commons IO 2.0 requires a minimum of JDK 1.5
(Commons IO 1.4 had a minimum of JDK 1.3)
Deprecations from 1.4
---------------------
- IOUtils
- write(StringBuffer, Writer) in favour of write(CharSequence, Writer)
- write(StringBuffer, OutputStream) in favour of write(CharSequence, OutputStream)
- write(StringBuffer, OutputStream, String) in favour of write(CharSequence, OutputStream, String)
- FileFilterUtils
- andFileFilter(IOFileFilter, IOFileFilter) in favour of and(IOFileFilter...)
- orFileFilter(IOFileFilter, IOFileFilter) in favour of or(IOFileFilter...)
Enhancements from 1.4
---------------------
* [IO-140] Move minimum Java requirement from JDK 1.3 to JDK 1.5
- use Generics
- add new CharSequence write() flavour methods to IOUtils and FileUtils
- replace StringBuffer with StringBuilder, where appropriate
- add new Reader/Writer methods to ProxyReader and ProxyWriter
- Annotate with @Override and @Deprecated
* [IO-178] New BOMInputStream and ByteOrderMark implementations - to detect and optionally exclude an initial Byte Order mark (BOM)
* [IO-197] New BoundedInputStream (copied from from Apache JackRabbit)
* [IO-193] New Broken Input and Output streams
* [IO-132] New File Listener/Monitor facility
* [IO-158] New ReaderInputStream and WriterOutputStream implementations
* [IO-139] New StringBuilder Writer implementation
* [IO-192] New Tagged Input and Output streams
* [IO-177] New Tailer class - simple implementation of the Unix "tail -f" functionality
* [IO-162] New XML Stream Reader/Writer implementations (from ROME via plexus-utils)
* [IO-142] Comparators - add facility to sort file lists/arrays
* [IO-186] Comparators - new Composite and Directory File Comparator implementations
* [IO-176] DirectoryWalker - add filterDirectoryContents() callback method for filtering directory contents
* [IO-210] FileFilter - new Magic Number FileFilter
* [IO-221] FileFilterUtils - add methods for suffix and prefix filters which take an IOCase object
* [IO-232] FileFilterUtils - add method for name filters which take an IOCase object
* [IO-229] FileFilterUtils - add varargs and() and or() methods
* [IO-198] FileFilterUtils - add ability to apply file filters to collections and arrays
* [IO-156] FilenameUtils - add normalize() and normalizeNoEndSeparator() methods which allow the separator character to be specified
* [IO-194] FileSystemUtils - add freeSpaceKb() method with no input arguments
* [IO-185] FileSystemUtils - add freeSpaceKb() methods that take a timeout parameter - fixes freeSpaceWindows() blocks
* [IO-155] FileUtils - use NIO to copy files
* [IO-168] FileUtils - add new isSymlink() method
* [IO-219] FileUtils - throw FileExistsException when moving a file or directory if the destination already exists
* [IO-234] FileUtils - add Methods for retrieving System User/Temp directories/paths
* [IO-208] FileUtils - add timeout (connection and read) support for copyURLToFile() method
* [IO-238] FileUtils - add sizeOf(File) method
* [IO-181] LineIterator now implements Iterable
* [IO-224] IOUtils - add closeQuietly(Closeable) and closeQuietly(Socket) methods
* [IO-203] IOUtils - add skipFully() method for InputStreams
* [IO-137] IOUtils and ByteArrayOutputStream - add toBufferedInputStream() method to avoid unnecessary array allocation/copy
* [IO-195] Proxy streams/Reader/Writer - provide exception handling methods
* [IO-211] Proxy Input/Output streams - add pre/post processing support
* [IO-242] Proxy Reader/Writer - add pre/post processing support
Bug fixes from 1.4
------------------
* [IO-214] ByteArrayOutputStream - fix inconsistent synchronization of fields
* [IO-201] Counting Input/Output streams - fix inconsistent synchronization
* [IO-159] FileCleaningTracker - fix remove() never returns null
* [IO-220] FileCleaningTracker - fix Vector performs badly under load
* [IO-167] FilenameUtils - fix case-insensitive string handling in FilenameUtils and FilesystemUtils
* [IO-179] FilenameUtils - fix StringIndexOutOfBounds exception in getPathNoEndSeparator()
* [IO-248] FilenameUtils - fix getFullPathNoEndSeparator() returns empty while path is a one level directory
* [IO-246] FilenameUtils - fix wildcardMatch gives incorrect results
* [IO-187] FileSystemUtils - fix freeSpaceKb() doesn't work with relative paths on Linux
* [IO-160] FileSystemUtils - fix freeSpace() fails on solaris
* [IO-209] FileSystemUtils - fix freeSpaceKb() fails to return correct size for a windows mount point
* [IO-163] FileUtils - fix toURLs() using deprecated method of conversion to URL
* [IO-168] FileUtils - fix Symbolic links followed when deleting directory
* [IO-231] FileUtils - fix wrong exception message generated in isFileNewer() method
* [IO-207] FileUtils - fix race condition in forceMkdir() method
* [IO-217] FileUtils - fix copyDirectoryToDirectory() makes infinite loops
* [IO-166] FileUtils - fix URL decoding in toFile(URL)
* [IO-190] FileUtils - fix copyDirectory not preserving lastmodified date on sub-directories
* [IO-240] FileFilterUtils - ensure cvsFilter and svnFilter are only created once.
* [IO-175] IOUtils - fix copyFile() issues with very large files
* [IO-191] Improvements from static analysis
* [IO-216] LockableFileWriter - delete files quietly when an exception is thrown during initialization
* [IO-243] SwappedDataInputStream - fix readBoolean is inverted
* [IO-235] Tests - remove unused YellOnFlushAndCloseOutputStream from CopyUtilsTest
* [IO-161] Tests - fix FileCleaningTrackerTestCase hanging
Documentation changes from 1.4
------------------------------
* [IO-183 FilenameUtils.getExtension() method documentation improvements
* [IO-226 FileUtils.byteCountToDisplaySize() documentation corrections
* [IO-205 FileUtils.forceMkdir() documentation improvements
* [IO-215 FileUtils copy file/directory improve documentation regarding preserving the last modified date
* [IO-189 HexDump.dump() method documentation improvements
* [IO-171 IOCase document that it assumes there are only two OSes: Windows and Unix
* [IO-223 IOUtils.copy() documentation corrections
* [IO-247 IOUtils.closeQuietly() improve documentation with examples
* [IO-202 NotFileFilter documentation corrections
* [IO-206 ProxyInputStream - fix misleading parameter names
* [IO-212 ProxyInputStream.skip() documentation corrections
==============================================================================
Apache Commons IO Version 1.4
==============================================================================
Compatibility with 1.3.2
------------------------
Binary compatible - Yes
Source compatible - Yes
Semantic compatible - Yes
Check the bug fixes section for semantic bug fixes
Commons IO 1.4 introduces four new implementations which depend on JDK 1.4 features
(CharSequenceReader, FileWriterWithEncoding, IOExceptionWithCause and RegexFileFilter).
It has been built with the JDK source and target options set to JDK 1.3 and, except for
those implementations, can be used with JDK 1.3 (see IO IO-127).
Deprecations from 1.3.2
-----------------------
- FileCleaner deprecated in favour of FileCleaningTracker [see IO-116]
Bug fixes from 1.3.2
--------------------
- FileUtils
- forceDelete of orphaned Softlinks does not work [IO-147]
- Infinite loop on FileUtils.copyDirectory when the destination directory is within
the source directory [IO-141]
- Add a copyDirectory() method that makes use of FileFilter [IO-105]
- Add moveDirectory() and moveFile() methods [IO-77]
- HexDump
- HexDump's use of static StringBuffers isn't thread-safe [IO-136]
Enhancements from 1.3.2
-----------------------
- FileUtils
- Add a deleteQuietly method [IO-135]
- FilenameUtils
- Add file name extension separator constants[IO-149]
- IOExceptionWithCause [IO-148]
- Add a new IOException implementation with constructors which take a cause
- TeeInputStream [IO-129]
- Add new Tee input stream implementation
- FileWriterWithEncoding [IO-153]
- Add new File Writer implementation that accepts an encoding
- CharSequenceReader [IO-138]
- Add new Reader implementation that handles any CharSequence (String,
StringBuffer, StringBuilder or CharBuffer)
- ThesholdingOuputStream [IO-121]
- Add a reset() method which sets the count of the bytes written back to zero.
- DeferredFileOutputStream [IO-130]
- Add support for temporary files
- ByteArrayOutputStream
- Add a new write(InputStream) method [IO-152]
- New Closed Input/Output stream implementations [IO-122]
- AutoCloseInputStream - automatically closes and discards the underlying input stream
- ClosedInputStream - returns -1 for any read attempts
- ClosedOutputStream - throws an IOException for any write attempts
- CloseShieldInputStream - prevents the underlying input stream from being closed.
- CloseShieldOutputStream - prevents the underlying output stream from being closed.
- Add Singleton Constants to several stream classes [IO-143]
- PrefixFileFilter [IO-126]
- Add faciltiy to specify case sensitivity on prefix matching
- SuffixFileFilter [IO-126]
- Add faciltiy to specify case sensitivity on suffix matching
- RegexFileFilter [IO-74]
- Add new regular expression file filter implementation
- Make IOFileFilter implementations Serializable [IO-131]
- Improve IOFileFilter toString() methods [IO-120]
- Make fields final so classes are immutable/threadsafe [IO-133]
- changes to Age, Delegate, Name, Not, Prefix, Regex, Size, Suffix and Wildcard IOFileFilter
implementations.
- IOCase
- Add a compare method to IOCase [IO-144]
- Add a package of java.util.Comparator implementations for files [IO-145]
- DefaultFileComparator - compare files using the default File.compareTo(File) method.
- ExtensionFileComparator - compares files using file name extensions.
- LastModifiedFileComparator - compares files using the last modified date/time.
- NameFileComparator - compares files using file names.
- PathFileComparator - compares files using file paths.
- SizeFileComparator - compares files using file sizes.
==============================================================================
Apache Commons IO Version 1.3.2
==============================================================================
Compatibility with 1.3.1
----------------------
Binary compatible - Yes
Source compatible - Yes
Semantic compatible - Yes
Compatibility with 1.3
----------------------
Binary compatible - No
See [IO-113]
Source compatible - No
See [IO-113]
Semantic compatible - Yes
Enhancements since 1.3.1
------------------------
- Created the FileCleaningTracker, basically a non-static version of the
FileCleaner, which can be controlled by the user. [IO-116]
- The FileCleaner is deprecated.
Bug fixes from 1.3.1
--------------------
- Some tests, which are implicitly assuming a Unix-like file system, are
now skipped on Windows. [IO-115]
- EndianUtils
- Both readSwappedUnsignedInteger(...) methods could return negative
numbers due to int/long casting. [IO-117]
Bug fixes from 1.3
------------------
- FileUtils
- NPE in openOutputStream(File) when file has no parent in path [IO-112]
- readFileToString(File) is not static [IO-113]
==============================================================================
Apache Commons IO Version 1.3.1
==============================================================================
Compatibility with 1.3
----------------------
Binary compatible - No
See [IO-113]
Source compatible - No
See [IO-113]
Semantic compatible - Yes
Bug fixes from 1.3
------------------
- FileUtils
- NPE in openOutputStream(File) when file has no parent in path [IO-112]
- readFileToString(File) is not static [IO-113]
==============================================================================
Apache Commons IO Version 1.3
==============================================================================
Compatibility with 1.2
----------------------
Binary compatible - Yes
Source compatible - Yes
Semantic compatible - Yes
Check the bug fixes section for semantic bug fixes
Deprecations from 1.2
---------------------
- WildcardFilter deprecated, replaced by WildcardFileFilter
- old class only accepted files, thus had a confusing dual purpose
- FileSystemUtils.freeSpace deprecated, replaced by freeSpaceKb
- freeSpace returns a result that varies by operating system and
thus isn't that useful
- freeSpaceKb returns much better and more consistent results
- freeSpaceKb existed in v1.2, so this is a gentle cutover
Bug fixes from 1.2
------------------
- LineIterator now implements Iterator
- It was always supposed to...
- FileSystemUtils.freeSpace/freeSpaceKb [IO-83]
- These should now work on AIX and HP-UX
- FileSystemUtils.freeSpace/freeSpaceKb [IO-90]
- Avoid infinite looping in Windows
- Catch more errors with nice messages
- FileSystemUtils.freeSpace [IO-91]
- This is now documented not to work on SunOS 5
- FileSystemUtils [IO-93]
- Fixed resource leak leading to 'Too many open files' error
- Previously did not destroy Process instances (as JDK Javadoc is so poor)
- http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4801027
- FileUtils.touch [IO-100]
- The touch method previously gave no indication when the file could not
be touched successfully (such as due to access restrictions) - it now
throws an IOException if the last modified date cannot be changed
- FileCleaner
- This now handles the situation where an error occurs when deleting the file
- IOUtils.copy [IO-84]
- Copy methods could return inaccurate byte/char count for large streams
- The copy(InputStream, OutputStream) method now returns -1 if the count is greater than an int
- The copy(Reader, Writer) method now throws now returns -1 if the count is greater than an int
- Added a new copyLarge(InputStream, OutputStream) method that returns a long
- Added a new copyLarge(Reader, Writer) method that returns a long
- CountingInputStream/CountingOutputStream [IO-84]
- Methods were declared as int thus the count was innacurate for large streams
- new long based methods getByteCount()/resetByteCount() added
- existing methods changed to throw an exception if the count is greater than an int
- FileBasedTestCase
- Fixed bug in compare content methods identified by GNU classpath
- EndianUtils.writeSwappedLong(byte[], int) [IO-101]
- An int overrun in the bit shifting when it should have been a long
- EndianUtils.writeSwappedLong(InputStream) [IO-102]
- The return of input.read(byte[]) was not being checked to ensure all 8 bytes were read
Enhancements from 1.2
---------------------
- DirectoryWalker [IO-86]
- New class designed for subclassing to walk through a set of files.
DirectoryWalker provides the walk of the directories, filtering of
directories and files, and cancellation support. The subclass must provide
the specific behaviour, such as text searching or image processing.
- IOCase
- New class/enumeration for case-sensitivity control
- FilenameUtils
- New methods to handle case-sensitivity
- wildcardMatch - new method that has IOCase as a parameter
- equals - new method that has IOCase as a parameter
- FileUtils [IO-108] - new default encoding methods for:
- readFileToString(File)
- readLines(File)
- lineIterator(File)
- writeStringToFile(File, String)
- writeLines(File, Collection)
- writeLines(File, Collection, String)
- FileUtils.openOutputStream [IO-107]
- new method to open a FileOutputStream, creating parent directories if required
- FileUtils.touch
- FileUtils.copyURLToFile
- FileUtils.writeStringToFile
- FileUtils.writeByteArrayToFile
- FileUtils.writeLines
- enhanced to create parent directories if required
- FileUtils.openInputStream [IO-107]
- new method to open a FileInputStream, providing better error messages than the JDK
- FileUtils.isFileOlder
- new methods to check if a file is older (i.e. isFileOlder()) - counterparts
to the existing isFileNewer() methods.
- FileUtils.checksum, FileUtils.checksumCRC32
- new methods to create a checksum of a file
- FileUtils.copyFileToDirectory [IO-104]
- new variant that optionally retains the file date
- FileDeleteStrategy
- FileCleaner [IO-56,IO-70]
- FileDeleteStrategy is a strategy for handling file deletion
- This can be used as a calback in FileCleaner
- Together these allow FileCleaner to do a forceDelete to kill directories
- FileCleaner.exitWhenFinished [IO-99]
- A new method that allows the internal cleaner thread to be cleanly terminated
- WildcardFileFilter
- Replacement for WildcardFilter
- Accepts both files and directories
- Ability to control case-sensitivity
- NameFileFilter
- Ability to control case-sensitivity
- FileFileFilter
- New IOFileFilter implementation
- Accepts files where File.isFile() is true
- In other words it filters out directories
- Singleton instance provided (FILE)
- CanReadFileFilter
- New IOFileFilter implementation
- Accepts files where File.canRead() is true
- Singleton instances provided (CAN_READ/CANNOT_READ/READ_ONLY)
- CanWriteFileFilter
- New IOFileFilter implementation
- Accepts files where File.canWrite() is true
- Singleton instances provided (CAN_WRITE/CANNOT_WRITE)
- HiddenFileFilter
- New IOFileFilter implementation
- Accepts files where File.isHidden() is true
- Singleton instances provided (HIDDEN/VISIBLE)
- EmptyFileFilter
- New IOFileFilter implementation
- Accepts files or directories that are empty
- Singleton instances provided (EMPTY/NOT_EMPTY)
- TrueFileFilter/FalseFileFilter/DirectoryFileFilter
- New singleton instance constants (TRUE/FALSE/DIRECTORY)
- The new constants are more JDK 1.5 friendly with regards to static imports
(whereas if everything uses INSTANCE, then they just clash)
- The old INSTANCE constants are still present and have not been deprecated
- FileFilterUtils.sizeRangeFileFilter
- new sizeRangeFileFilter(long minimumSize, long maximumSize) method which
creates a filter that accepts files within the specified size range.
- FileFilterUtils.makeDirectoryOnly/makeFileOnly
- two new methods that decorate a file filter to make it apply to
directories only or files only
- NullWriter
- New writer that acts as a sink for all data, as per /dev/null
- NullInputStream
- New input stream that emulates a stream of a specified size
- NullReader
- New reader that emulates a reader of a specified size
- ByteArrayOutputStream [IO-97]
- Performance enhancements
==============================================================================
Apache Commons IO Version 1.2
==============================================================================
Compatibility with 1.1
----------------------
Binary compatible - Yes
Source compatible - Yes
Semantic compatible - Yes
Deprecations from 1.1
---------------------
Bug fixes from 1.1
------------------
- FileSystemUtils.freeSpace(drive)
Fix to allow Windows based command to function in French locale
- FileUtils.read*
Increase certainty that files are closed in case of error
- LockableFileWriter
Locking mechanism was broken and only provided limited protection [38942]
File deletion and locking in case of constructor error was broken
Enhancements from 1.1
---------------------
- AgeFileFilter/SizeFileFilter
New file filters that compares against the age and size of the file
- FileSystemUtils.freeSpaceKb(drive)
New method that unifies result to be in kilobytes [38574]
- FileUtils.contentEquals(File,File)
Performance improved by adding length and file location checking
- FileUtils.iterateFiles
Two new method to provide direct access to iterators over files
- FileUtils.lineIterator
IOUtils.lineIterator
New methods to provide an iterator over the lines in a file [38083]
- FileUtils.copyDirectoryToDirectory
New method to copy a directory to within another directory [36315]
==============================================================================
Apache Commons IO Version 1.1
==============================================================================
Incompatible changes from 1.0
-----------------------------
Binary compatible - Yes
Source compatible - Yes
Semantic compatible - Yes, except:
- FileUtils.writeStringToFile()
A null encoding previously used 'ISO-8859-1', now it uses the platform default
Generally this will make no difference
- LockableFileWriter
Improved validation and now create directories if necesssary
plus these bug fixes may affect you semantically:
- FileUtils.touch() (Bug fix 29821)
Now creates the file if it did not previously exist
- FileUtils.toFile(URL) (Bug fix 32575)
Now handles escape syntax such as %20
- FileUtils.sizeOfDirectory() (Bug fix 36801)
May now return a size of 0 if the directory is security restricted
Deprecations from 1.0
---------------------
- CopyUtils has been deprecated.
Its methods have been moved to IOUtils.
The new IOUtils methods handle nulls better, and have clearer names.
- IOUtils.toByteArray(String) - Use {@link String#getBytes()}
- IOUtils.toString(byte[]) - Use {@link String#String(byte[])}
- IOUtils.toString(byte[],String) - Use {@link String#String(byte[],String)}
Bug fixes from 1.0
------------------
- FileUtils - touch() [29821]
Now creates the file if it did not previously exist
- FileUtils - toFile(URL) [32575]
Now handles escape syntax such as %20
- FileFilterUtils - makeCVSAware(IOFileFilter) [33023]
Fixed bug that caused method to be completely broken
- CountingInputStream [33336]
Fixed bug that caused the count to reduce by one at the end of the stream
- CountingInputStream - skip(long) [34311]
Bytes from calls to this method were not previously counted
- NullOutputStream [33481]
Remove unnecessary synchronization
- AbstractFileFilter - accept(File, String) [30992]
Fixed broken implementation
- FileUtils [36801]
Previously threw NPE when listing files in a security restricted directory
Now throw IOException with a better message
- FileUtils - writeStringToFile()
Null encoding now correctly uses the platform default
Enhancements from 1.0
---------------------
- FilenameUtils - new class [33303,29351]
A static utility class for working with filenames
Seeks to ease the pain of developing on Windows and deploying on Unix
- FileSystemUtils - new class [32982,36325]
A static utility class for working with file systems
Provides one method at present, to get the free space on the filing system
- IOUtils - new public constants
Constants for directory and line separators on Windows and Unix
- IOUtils - toByteArray(Reader,encoding)
Handles encodings when reading to a byte array
- IOUtils - toCharArray(InputStream) [28979]
- toCharArray(InputStream,encoding)
- toCharArray(Reader)
Reads a stream/reader into a charatcter array
- IOUtils - readLines(InputStream) [36214]
- readLines(InputStream,encoding)
- readLines(Reader)
Reads a stream/reader line by line into a List of Strings
- IOUtils - toInputStream(String) [32958]
- toInputStream(String,encoding)
Creates an input stream that uses the string as a source of data
- IOUtils - writeLines(Collection,lineEnding,OutputStream) [36214]
- writeLines(Collection,lineEnding,OutputStream,encoding)
- writeLines(Collection,lineEnding,Writer)
Writes a collection to a stream/writer line by line
- IOUtils - write(...)
Write data to a stream/writer (moved from CopyUtils with better null handling)
- IOUtils - copy(...)
Copy data between streams (moved from CopyUtils with better null handling)
- IOUtils - contentEquals(Reader,Reader)
Method to compare the contents of two readers
- FileUtils - toFiles(URL[])
Converts an array of URLs to an array of Files
- FileUtils - copyDirectory() [32944]
New methods to copy a directory
- FileUtils - readFileToByteArray(File)
Reads an entire file into a byte array
- FileUtils - writeByteArrayToFile(File,byte[])
Writes a byte array to a file
- FileUtils - readLines(File,encoding) [36214]
Reads a file line by line into a List of Strings
- FileUtils - writeLines(File,encoding,List)
writeLines(File,encoding,List,lineEnding)
Writes a collection to a file line by line
- FileUtils - EMPTY_FILE_ARRAY
Constant for an empty array of File objects
- ConditionalFileFilter - new interface [30705]
Defines the behaviour of list based filters
- AndFileFilter, OrFileFilter [30705]
Now support a list of filters to and/or
- WildcardFilter [31115]
New filter that can match using wildcard file names
- FileFilterUtils - makeSVNAware(IOFileFilter)
New method, like makeCVSAware, that ignores Subversion source control directories
- ClassLoaderObjectInputStream
An ObjectInputStream that supports a ClassLoader
- CountingInputStream,CountingOutputStream - resetCount() [28976]
Adds the ability to reset the count part way through reading/writing the stream
- DeferredFileOutputStream - writeTo(OutputStream) [34173]
New method to allow current contents to be written to a stream
- DeferredFileOutputStream [34142]
Performance optimizations avoiding double buffering
- LockableFileWriter - encoding support [36825]
Add support for character encodings to LockableFileWriter
Improve the validation
Create directories if necesssary
- IOUtils and EndianUtils are no longer final [28978]
Allows developers to have subclasses if desired
==============================================================================
Feedback
==============================================================================
Open source works best when you give feedback:
http://commons.apache.org/io/
Please direct all bug reports to JIRA
http://issues.apache.org/jira/browse/IO
Or subscribe to the commons-user mailing list (prefix emails by [io])
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The Commons-IO Team