de.unidu.is.util
Class IOUtilities

java.lang.Object
  de.unidu.is.util.IOUtilities

public class IOUtilities

extends java.lang.Object

A class with utility methods for IO.

Since:

2004-05-19

Version:

$Revision: 1.8 $, $Date: 2005/02/28 22:27:55 $

Author:

Henrik Nottelmann

Nested Class Summary

static interface

IOUtilities.FileHandler An interface whose instances can handle a file (for arbitrary usage).

Constructor Summary

IOUtilities()

Method Summary

static void	doForAllFiles(java.io.File dir, IOUtilities.FileHandler handler) Calls the file handler for every file (recursively) in this directory
static java.io.File[]	findFiles(java.io.File dir) Returns all files (recursively) in the specified directory.
static java.lang.String	load(java.io.File file) Loads the content of the file and returns it as a string.
static java.lang.String	load(java.io.Reader reader) Loads the content of the reader and returns it as a string.
static java.lang.String	load(java.net.URL url) Loads the content of the URL and returns it as a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

IOUtilities

public IOUtilities()

Method Detail

load

public static java.lang.String load(java.io.File file)
                             throws java.io.FileNotFoundException,
                                    java.io.IOException

Loads the content of the file and returns it as a string.

Parameters:

file - file to be read

Returns:

string content of the file

Throws:

java.io.FileNotFoundException - if the file is not found

java.io.IOException - if an IO error occurs

load

public static java.lang.String load(java.net.URL url)
                             throws java.io.IOException

Loads the content of the URL and returns it as a string.

Parameters:

url - URL whoose content is to be read

Returns:

string content of the URL

Throws:

java.io.IOException - if an IO error occurs

load

public static java.lang.String load(java.io.Reader reader)
                             throws java.io.IOException

Loads the content of the reader and returns it as a string.

Parameters:

reader - reader

Returns:

string content of the reader

Throws:

java.io.IOException - if an IO error occurs

findFiles

public static java.io.File[] findFiles(java.io.File dir)

Returns all files (recursively) in the specified directory. Might yield an OOME in very large directories, then it is better to use doForAllFiles(File, FileHandler).

Parameters:

dir - directory to search

Returns:

all files under this directory.

doForAllFiles

public static void doForAllFiles(java.io.File dir,
                                 IOUtilities.FileHandler handler)

Calls the file handler for every file (recursively) in this directory

Parameters:

dir - directory to search

handler - handler to be called for every file