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https://issues.apache.org/jira/browse/IO-140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12574764#action_12574764
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Jukka Zitting commented on IO-140:
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Are there other Java 5 updates we should do?
> IO 2.0 - Move to JDK 1.5
> ------------------------
>
> Key: IO-140
> URL: https://issues.apache.org/jira/browse/IO-140
> Project: Commons IO
> Issue Type: Wish
> Reporter: Niall Pemberton
> Fix For: 2.0
>
> Attachments: IO-2.0-deprecate-and-jdk5.patch
>
>
> I just created IO-139 for a StringBuilder Writer implementation that requies
> JDK 1.5. So I thought I would look at the impact on IO of 1) Removing all
> deprecations and 2) Making appropriate JDK 1.5 changes (generics, using
> StringBuilder and new Appendable for Writers). Below is a summary, thought it
> could be a starting point for discussion about IO 2.0
> 1) DEPRECATIONS
> - CopyUtils
> - FileCleaner
> - WildcardFilter
> - FileSystemUtils freeSpace(String)
> - IOUtils toByteArray(String), toString(byte[]), toString(byte[], String)
> 2) JDK 1.5
> - ConditionalFileFilter List (and also AndFileFilter and OrFileFilter
> implementations
> - getFileFilters() and setFileFilters() use generic List<IOFileFilter>
> - Constructor for NameFileFilter, PrefixFileFilter, SuffixFileFilter,
> WildcardFileFilter use generic List<String>
> - replace StringBuffer with StringBuilder where appropriate
> (FilenameUtils, FileSystemUtils, HexDump,IOUtils
> - FileUtils
> - convertFileCollectionToFileArray() --> Collection<File>
> - listFiles() --> Collection<File>
> - listFiles() --> Collection<File>
> - writeStringToFile String-->CharSequence (JDK 1.4+)
> - ProxyReader - add read(CharBuffer)
> - IOUtils
> - readLines(Reader) return List<String>
> - toInputStream(String) --> toInputStream(CharSequence) (JDK 1.4+)
> - write(String data, OutputStream) and write(StringBuffer data,
> OutputStream) --> write(CharSequence data, OutputStream)
> - write(String, Writer) and write(StringBuffer, Writer) -->
> write(CharSequence data, Writer)
> - LineIterator Iterator --> Iterator<String
> - NullWriter - add "Appendable" methods
> - ProxyWriter - add "Appendable" methods
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