semestralna praca - kodovanie a dekodovanie textu

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Apache Commons IO
Copyright 2001-2008 The Apache Software Foundation

This product includes software developed by
The Apache Software Foundation (http://www.apache.org/).


$Id: RELEASE-NOTES.txt 611375 2008-01-12 06:34:57Z niallp $

Commons IO Package
Version 1.4
Release Notes


INTRODUCTION:

Commons IO is a package of Java utility classes for java.io's hierarchy.
Classes in this package are considered to be so standard and of such high
reuse as to justify existence in java.io.

Commons IO contains utility classes, stream implementations, file filters,
file comparators and endian transformation classes.


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.


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])
http://commons.apache.org/mail-lists.html

The Commons-IO Team

ahojky jak sa mas
SUCASTI

- subor pismenkovych asociacii

KODOVANIE
- vstupny normalny nezakodovany subor textu
- vystupny zakodovany text

DEKODOVANIE ( V ZADANI )
- vstupny zakodovany text
- vystupny normalny nezakodovany subor textu


JEDNORAZOVE CINNOSTI

definovanie asociacii pismen v subore
a;z
b;x
c;l
d;e


PRIEBEHOVE (pri kazdom behu) CINNOSTI

INICIALIZACIA
- ak neinicializavone
- nacitanie suboru asociacii pismen
- ulozenie asociacii do pola (asociativneho)

ASOCIATIVNE NAHRADENIE TEXTU
- pre kazdy znak (foreach)
- vyhladanie v asociativnom poli
- pridanie do vystupneho retazca


DEKODOVANIE
- inicializacia
- nacitanie vstupny zakodovany text
- asociativne nahradenie textu
- zapis vysledneho textu do vystupneho suboru

KODOVANIE
- inicializacia
- nacitane vstupny normalny nezakodovany subor textu
- asociativne nahradenie textu
- zapis vysledneho textu do vystupneho suboru

Substituční kód na úrovni znaků

[jpr_SK]

Substituční šifra vychází z nahrazení písmen jinými.

Program bude umožňovat načtení zadaného souboru obsahujícího zašifrovaný text.
Jelikož substituční šifra zachovává délku slov,
tak bude uživatel moci každému slovu přiřadit jeho předpokládaný překlad
a program automaticky doplní do celého překladu na příslušná místa přeložené znaky,
tak jak určuje zadané slovo.

ÓCILGU LÓG ZÓ BÓZ