Package jp.gr.java_conf.dangan.util.lha
Class LzssOutputStream
- java.lang.Object
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- java.io.OutputStream
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- jp.gr.java_conf.dangan.util.lha.LzssOutputStream
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- All Implemented Interfaces:
java.io.Closeable
,java.io.Flushable
,java.lang.AutoCloseable
public class LzssOutputStream extends java.io.OutputStream
?f?[?^?? LZSS???k???????? ?w???????? PostLzssEncoder ???o?????????k?p?o???X?g???[???B
-- revision history -- $Log: LzssOutputStream.java,v $ Revision 1.2 2002/12/06 00:00:00 dangan [change] flush() ?? write() ???????S?????f?[?^?? ???}?????? PostLzssEncoder ???o?????????????C???B [maintenance] slide???????? DictionarySize ?o?C?g?????????????C???B Revision 1.1 2002/10/20 00:00:00 dangan [bug fix] ?????????? flush() ?????? ?A?}?? flush() ?????? ( lastsearchret ?? NEEDSEARCH ?????? encode() ???????????? ) ?????? 1?o?C?g????????????B flush() ???? putLength() ???l?????????????????? ?????@?\???j???????????? searchAndPut ???s????????????C???B flush() ???? TextBuffer ????????MaxMatch?o?C?g???f?[?^???o????????????????B Revision 1.0 2002/07/25 00:00:00 dangan add to version control [bug fix] getMatchLen() ?? searchret >> 22 ?????~?????}???? searchret >>> 22 ????????????????C???B [maintenance] LhaUtil.createInstance() ???g?p?????? ???????? Factory.createInstance() ???g?p?????B ?\?[?X???? ?^?u?p?~ ???C?Z???X????C??
- Version:
- $Revision: 1.2 $
- Author:
- $Author: dangan $
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Field Summary
Fields Modifier and Type Field Description static int
NOMATCH
searchret ???}???l???????????A ???????????A???l?????????v???????????????????????????B
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Constructor Summary
Constructors Constructor Description LzssOutputStream(PostLzssEncoder encoder)
write() ?????????????}???????f?[?^?? LZSS?????k???A???k?????f?[?^?? encoder???o?????? ?o???X?g???[?????\?z?????BLzssOutputStream(PostLzssEncoder encoder, java.lang.String LzssSearchMethodClassName)
write() ?????????????}???????f?[?^?? LZSS?????k???A???k?????f?[?^?? encoder???o?????? ?o???X?g???[?????\?z?????BLzssOutputStream(PostLzssEncoder encoder, java.lang.String LzssSearchMethodClassName, java.lang.Object[] LzssSearchMethodExtraArguments)
write() ?????????????}???????f?[?^?? LZSS?????k???A???k?????f?[?^?? encoder???o?????? ?o???X?g???[?????\?z?????B
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
close()
?}???N???X?????????????S?????f?[?^?????}?????? PostLzssEncoder ???o???? ?}???o???X?g???[?????A ???}???????X?g???[????????A ?g?p??????????\?[?X???J???????Bstatic int
createSearchReturn(int matchlen, int matchpos)
search ???????l?????????B search ?????v???u?????????A???v?????????????????????? ?????????????????????A???v???u?????v?????K?v???r?b?g???? ??????}???????p???? int?^???????????????B ?????????????????????????????????????B ?}?????????????????l???? ???v???u?????v?????????o???????? getMatchLen?A getMatchPos ???g?p?????Bvoid
flush()
???k?@?\???????????????S?????f?[?^?? ???}?????? PostLzssEncoder ???o?????A ???}?????? PostLzssEncoder ?? flush() ?????B
?}???????A?o???????f?[?^???I?[?t?????? ?????? search() ???g?p???????????k??x???????????B ???? flush() ??????????????~?????k?????????????B ?}???? flush() ???????u?t???????f?[?^?p?^?????????? MaxMatch ??????????f?[?^?p?^?????g?p?????????A ???????????s???S???????????B ?}?????k???????????A?????????????k???????X?????????????????????A ?????????????????R?[?h?? LZ ???k???S???s??????Bstatic int
getMatchLen(int searchret)
createSearchReturn ?????????? search???????l???? ???v?????????o???Bstatic int
getMatchPos(int searchret)
createSearchReturn ?????????? search???????l???? ???v???u???????o???Bvoid
write(byte[] buffer)
???k?@?\?? buffer ?????f?[?^???S???o???????B
??????PostLzssEncoder ???f?[?^???n?????????? TextBuffer ???????????????????A flush ???????I???o?????w?????????????Bvoid
write(byte[] buffer, int index, int length)
???k?@?\?? buffer ???? index ???? length?o?C?g???f?[?^???o???????B
??????PostLzssEncoder ???f?[?^???n?????????? TextBuffer ???????????????????A flush ???????I???o?????w?????????????Bvoid
write(int data)
???k?@?\??1?o?C?g???f?[?^???o???????B
??????PostLzssEncoder ???f?[?^???n?????????? TextBuffer ???????????????????A flush ???????I???o?????w?????????????B
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Field Detail
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NOMATCH
public static final int NOMATCH
searchret ???}???l???????????A ???????????A???l?????????v???????????????????????????B- See Also:
- Constant Field Values
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Constructor Detail
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LzssOutputStream
public LzssOutputStream(PostLzssEncoder encoder)
write() ?????????????}???????f?[?^?? LZSS?????k???A???k?????f?[?^?? encoder???o?????? ?o???X?g???[?????\?z?????B- Parameters:
encoder
- LZSS???k?f?[?^?o???X?g???[??
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LzssOutputStream
public LzssOutputStream(PostLzssEncoder encoder, java.lang.String LzssSearchMethodClassName)
write() ?????????????}???????f?[?^?? LZSS?????k???A???k?????f?[?^?? encoder???o?????? ?o???X?g???[?????\?z?????B- Parameters:
encoder
- LZSS???k?f?[?^?o???X?g???[??LzssSearchMethodClassName
- LzssSearchMethod ?????????????p?b?P?[?W???????????N???X??- Throws:
java.lang.NoClassDefFoundError
- LzssSearchMethodClassName ???^?????????N???X?? ????????????????Bjava.lang.InstantiationError
- LzssSearchMethodClassName ???^?????????N???X?? abstract class ???????????C???X?^???X????????????????Bjava.lang.NoSuchMethodError
- LzssSearchMethodClassName ???^?????????N???X?? ?R???X?g???N?^ LzssSearchMethod( int, int, int, byte[], int ) ?????????????
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LzssOutputStream
public LzssOutputStream(PostLzssEncoder encoder, java.lang.String LzssSearchMethodClassName, java.lang.Object[] LzssSearchMethodExtraArguments)
write() ?????????????}???????f?[?^?? LZSS?????k???A???k?????f?[?^?? encoder???o?????? ?o???X?g???[?????\?z?????B- Parameters:
encoder
- LZSS???k?f?[?^?o???X?g???[??LzssSearchMethodClassName
- LzssSearchMethod ?????????????p?b?P?[?W???????????N???X??- Throws:
java.lang.NoClassDefFoundError
- LzssSearchMethodClassName ???^?????????N???X?? ????????????????Bjava.lang.InstantiationError
- LzssSearchMethodClassName ???^?????????N???X?? abstract class ???????????C???X?^???X????????????????Bjava.lang.NoSuchMethodError
- LzssSearchMethodClassName ???^?????????N???X?? ?R???X?g???N?^ LzssSearchMethod( int, int, int, byte[] ) ?????????????
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Method Detail
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write
public void write(int data) throws java.io.IOException
???k?@?\??1?o?C?g???f?[?^???o???????B
??????PostLzssEncoder ???f?[?^???n?????????? TextBuffer ???????????????????A flush ???????I???o?????w?????????????B- Specified by:
write
in classjava.io.OutputStream
- Parameters:
data
- 1?o?C?g???f?[?^- Throws:
java.io.IOException
- ???o???G???[?????????????
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write
public void write(byte[] buffer) throws java.io.IOException
???k?@?\?? buffer ?????f?[?^???S???o???????B
??????PostLzssEncoder ???f?[?^???n?????????? TextBuffer ???????????????????A flush ???????I???o?????w?????????????B- Overrides:
write
in classjava.io.OutputStream
- Parameters:
buffer
- ?f?[?^???i?[???????o?b?t?@- Throws:
java.io.IOException
- ???o???G???[?????????????
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write
public void write(byte[] buffer, int index, int length) throws java.io.IOException
???k?@?\?? buffer ???? index ???? length?o?C?g???f?[?^???o???????B
??????PostLzssEncoder ???f?[?^???n?????????? TextBuffer ???????????????????A flush ???????I???o?????w?????????????B- Overrides:
write
in classjava.io.OutputStream
- Parameters:
buffer
- ?f?[?^???i?[???????o?b?t?@index
- buffer???f?[?^?J?n???ulength
- buffer???f?[?^??????- Throws:
java.io.IOException
- ???o???G???[?????????????
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flush
public void flush() throws java.io.IOException
???k?@?\???????????????S?????f?[?^?? ???}?????? PostLzssEncoder ???o?????A ???}?????? PostLzssEncoder ?? flush() ?????B
?}???????A?o???????f?[?^???I?[?t?????? ?????? search() ???g?p???????????k??x???????????B ???? flush() ??????????????~?????k?????????????B ?}???? flush() ???????u?t???????f?[?^?p?^?????????? MaxMatch ??????????f?[?^?p?^?????g?p?????????A ???????????s???S???????????B ?}?????k???????????A?????????????k???????X?????????????????????A ?????????????????R?[?h?? LZ ???k???S???s??????Bpublic void wrongCompress( InputStream in, LzssOutputSteam out ){ int r; while( 0 <= r = in.read() ){ out.write( r ); out.flush(); } }
?????A?}?????\?b?h?? PostLzssEncoder.flush() ???????o?????? flush() ??????????????~???A?o???f?[?^?????????????\?????????B- Specified by:
flush
in interfacejava.io.Flushable
- Overrides:
flush
in classjava.io.OutputStream
- Throws:
java.io.IOException
- ???o???G???[?????????????- See Also:
PostLzssEncoder.flush()
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close
public void close() throws java.io.IOException
?}???N???X?????????????S?????f?[?^?????}?????? PostLzssEncoder ???o???? ?}???o???X?g???[?????A ???}???????X?g???[????????A ?g?p??????????\?[?X???J???????B- Specified by:
close
in interfacejava.lang.AutoCloseable
- Specified by:
close
in interfacejava.io.Closeable
- Overrides:
close
in classjava.io.OutputStream
- Throws:
java.io.IOException
- ???o???G???[?????????????
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createSearchReturn
public static final int createSearchReturn(int matchlen, int matchpos)
search ???????l?????????B search ?????v???u?????????A???v?????????????????????? ?????????????????????A???v???u?????v?????K?v???r?b?g???? ??????}???????p???? int?^???????????????B ?????????????????????????????????????B ?}?????????????????l???? ???v???u?????v?????????o???????? getMatchLen?A getMatchPos ???g?p?????B- Parameters:
matchlen
- ???v??matchpos
- ???v???u- Returns:
- ???v???????v???u????????????search???????l
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getMatchLen
public static final int getMatchLen(int searchret)
createSearchReturn ?????????? search???????l???? ???v?????????o???B- Parameters:
searchret
- search ???????l- Returns:
- ???v??
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getMatchPos
public static final int getMatchPos(int searchret)
createSearchReturn ?????????? search???????l???? ???v???u???????o???B- Parameters:
searchret
- search ???????l- Returns:
- ???v???u
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