FileUtils

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org.erowid.sperowider
Class FileUtils

java.lang.Object
  org.erowid.sperowider.FileUtils

public class FileUtils
extends Object

Simple file utilities.

Version:: : $Header: /cvsroot/sperowider/SPEROWIDER_MODULE/javasource/org/erowid/sperowider/FileUtils.java,v 1.8 2005/06/02 06:07:58 gurustu Exp $
Author:: : $Author: gurustu $

Constructor Summary
`FileUtils()`

Method Summary
`static boolean`	`compare(File f1, File f2)` Compares two files or directories and returns true if they both exist and they both have the same contents, or if neither exists.
`static boolean`	`compare(InputStream is1, InputStream is2)` Compares two IO streams and returns true if they match.
`static void`	`copy(InputStream is, OutputStream os)` Copies for an input stream to a file.
`static void`	`copyDirectory(File fromDir, File toDir)` Copies the contents of one directory, recursively, to another.
`static void`	`copyFile(File source, File destination)` Copies for an input stream to a file.
`static void`	`copyFile(File source, String destination)` Copies for an input stream to a file.
`static void`	`copyFile(String source, File destination)` Copies for an input stream to a file.
`static void`	`copyFile(String source, String destination)` Copies for an input stream to a file.
`static File`	`createFile(File file)` Creates a file at a given location.
`static File`	`createFile(String name)` Creates a file at a given location.
`static boolean`	`deleteFilesRecursively(File repository)` Does a recursive delete on a directory
`static StringBuffer`	`getFileContent(String fileName)` Pumps the contents of a file into a `StringBuffer`.
`static OutputStream`	`getFileOutputStream(File file)` Gets an output stream for a given file name, creating the file if necessary.
`static OutputStream`	`getFileOutputStream(String name)` Gets an output stream for a given file name, creating the file if necessary.
`static PrintWriter`	`getFilePrintWriter(File file)` Gets an PrintWriter for a given file name, creating the file if necessary.
`static PrintWriter`	`getFilePrintWriter(String name)` Gets an PrintWriter for a given file name, creating the file if necessary.
`static File`	`gunzip(File source)` Gzips a file to a file of the same name, plus .gz.
`static void`	`gunzip(File source, File destination)` Gzips from one file to another.
`static void`	`gunzip(File source, String destination)` Gzips to a file.
`static void`	`gunzip(InputStream is, OutputStream os)` Gzips from the input stream to the output stream.
`static String`	`gunzip(String source)` Gunzips a file to a file of the same name, minus .gz.
`static void`	`gunzip(String source, File destination)` Gzips to a file.
`static void`	`gunzip(String source, String destination)` Gzips to a file.
`static File`	`gzip(File source)` Gzips a file to a file of the same name, plus .gz.
`static File`	`gzip(File source, File destination)` Gzips from one file to another.
`static File`	`gzip(File source, String destination)` Gzips to a file.
`static void`	`gzip(InputStream is, OutputStream os)` Gzips from the input stream to the output stream.
`static File`	`gzip(String source)` Gzips a file to a file of the same name, plus .gz.
`static File`	`gzip(String source, File destination)` Gzips to a file.
`static File`	`gzip(String source, String destination)` Gzips to a file.
`static File[]`	`split(File source, int segmentSize)` Splits a file into multiple files, each equal to the passed in length, except for the last file, which will probably be smaller as it's what is left.
`static int`	`split(InputStream is, File file, int length)` Copes length bytes from the InputStream to a file.
`static File[]`	`split(String source, int segmentSize)` Splits a file into multiple files, each equal to the passed in length, except for the last file, which will probably be smaller as it's what is left.
`static File[]`	`splitAndCompress(File source, int segmentSize)` Splits a file into pieces, and then gzips each piece.
`static File[]`	`splitAndCompress(String source, int segmentSize)` Splits a file into pieces, and then gzips each piece.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileUtils

public FileUtils()

Method Detail

deleteFilesRecursively

public static boolean deleteFilesRecursively(File repository)

Does a recursive delete on a directory

copyDirectory

public static void copyDirectory(File fromDir,
                                 File toDir)
                          throws IOException

Copies the contents of one directory, recursively, to another.

Throws:: IOException

getFilePrintWriter

public static PrintWriter getFilePrintWriter(File file)
                                      throws IOException

Gets an PrintWriter for a given file name, creating the file if necessary.

Throws:: IOException

getFileOutputStream

public static OutputStream getFileOutputStream(File file)
                                        throws IOException

Gets an output stream for a given file name, creating the file if necessary.

Throws:: IOException

getFilePrintWriter

public static PrintWriter getFilePrintWriter(String name)
                                      throws IOException

Gets an PrintWriter for a given file name, creating the file if necessary.

Throws:: IOException

getFileOutputStream

public static OutputStream getFileOutputStream(String name)
                                        throws IOException

Gets an output stream for a given file name, creating the file if necessary.

Throws:: IOException

createFile

public static File createFile(String name)
                       throws IOException

Creates a file at a given location.

Throws:: IOException

createFile

public static File createFile(File file)
                       throws IOException

Creates a file at a given location.

Throws:: IOException

splitAndCompress

public static File[] splitAndCompress(String source,
                                      int segmentSize)
                               throws IOException

Splits a file into pieces, and then gzips each piece.

Throws:: IOException

splitAndCompress

public static File[] splitAndCompress(File source,
                                      int segmentSize)
                               throws IOException

Splits a file into pieces, and then gzips each piece.

Throws:: IOException

split

public static File[] split(String source,
                           int segmentSize)
                    throws IOException

Splits a file into multiple files, each equal to the passed in length, except for the last file, which will probably be smaller as it's what is left.

Throws:: IOException

split

public static File[] split(File source,
                           int segmentSize)
                    throws IOException

Splits a file into multiple files, each equal to the passed in length, except for the last file, which will probably be smaller as it's what is left.

Throws:: IOException

split

public static int split(InputStream is,
                        File file,
                        int length)
                 throws IOException

Copes length bytes from the InputStream to a file. Does not close the input stream.

Throws:: IOException