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Preparing release 2.4.
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1349342 13f79535-47bb-0310-9956-ffa450edef68
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‎src/site/xdoc/upgradeto2_4.xml‎

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<?xml version="1.0"?>
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<!--
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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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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 2.3 to 2.4</title>
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<author email="dev@commons.apache.org">Commons Documentation Team</author>
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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-IO from
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version 2.3 to version 2.4
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<source>
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Commons IO is a package of Java utility classes like java.io.
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Classes in this package are considered to be so standard and of such high
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reuse as to justify existence in java.io.
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The Commons IO library contains utility classes, stream implementations, file filters,
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file comparators, endian transformation classes, and much more.
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==============================================================================
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Apache Commons IO Version 2.4-SNAPSHOT
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==============================================================================
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Changes in this version include:
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New features:
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o IO-269: Tailer locks file from deletion/rename on Windows. Thanks to sebb.
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o IO-333: Export OSGi packages at version 1.x in addition to 2.x. Thanks to fmeschbe.
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o IO-320: Add XmlStreamReader support for UTF-32. Thanks to ggregory.
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o IO-331: BOMInputStream wrongly detects UTF-32LE_BOM files as UTF-16LE_BOM files in method getBOM(). Thanks to ggregory.
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o IO-327: Add byteCountToDisplaySize(BigInteger). Thanks to ggregory.
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o IO-326: Add new FileUtils.sizeOf[Directory] APIs to return BigInteger. Thanks to ggregory.
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o IO-325: Add IOUtils.toByteArray methods to work with URL and URI. Thanks to raviprak.
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o IO-324: Add missing Charset sister APIs to method that take a String charset name. Thanks to raviprak.
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Fixed Bugs:
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o IO-279: Tailer erroneously considers file as new. Thanks to Sergio Bossa, Chris Baron.
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o IO-335: Tailer#readLines - incorrect CR handling.
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o IO-334: FileUtils.toURLs throws NPE for null parameter; document the behavior.
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o IO-332: Improve tailer's reading performance. Thanks to liangly.
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o IO-279: Improve Tailer performance with buffered reads (see IO-332).
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o IO-329: FileUtils.writeLines uses unbuffered IO. Thanks to tivv.
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o IO-319: FileUtils.sizeOfDirectory follows symbolic links. Thanks to raviprak.
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Compatibility with 2.3:
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Binary compatible: Yes.
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Source compatible: Yes.
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Semantic compatible: Yes.
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Compatibility with 2.2 and 1.4:
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Binary compatible: Yes.
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Source compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.
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Semantic compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.
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Commons IO 2.4 requires JDK 1.6 or later.
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Commons IO 2.3 requires JDK 1.6 or later.
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Commons IO 2.2 requires JDK 1.5 or later.
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Commons IO 1.4 requires JDK 1.3 or later.
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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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