rj.tools.util
Class FileIO

java.lang.Object
  rj.tools.util.FileIO

public class FileIO

extends java.lang.Object

Basic file io operations This code is copied from the O'Reilly 'Java Cookbook'

Version:

__0.98.1__

Author:

Ian F Darwin, Ralph Jocham

Field Summary

protected static int

BLKSIZ The size of blocking to use

Method Summary

static void	copyFile(java.io.InputStream is, java.io.OutputStream os, boolean close) Copy file from InputStream to OutputStream
static void	copyFile(java.io.Reader is, java.io.Writer os, boolean close) Copy file from Reader to Writer
static void	copyFile(java.lang.String inName, java.io.PrintWriter pw, boolean close) Copy file from File specified by name to PrintWrite
static void	copyFile(java.lang.String inName, java.lang.String outName) Copy file using file names
void	copyFileBuffered(java.lang.String inName, java.lang.String outName) Copy a data file from one filename to another, alternate method.
static java.lang.String	inputStreamToString(java.io.InputStream is) Read the content of a Stream into a String
static java.io.BufferedReader	openFile(java.lang.String fileName) Open a BufferedReader from a named file.
static java.lang.String	readerToString(java.io.Reader is) Read the entire content of a Reader into a String
static java.lang.String	readLine(java.lang.String inName) Open a File and read first line of it
static void	stringToFile(java.lang.String text, java.lang.String fileName) Write a String as the entire content of a File

Methods inherited from class java.lang.Object

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

Field Detail

BLKSIZ

protected static final int BLKSIZ

The size of blocking to use

See Also:

Constant Field Values

Method Detail

copyFile

public static void copyFile(java.lang.String inName,
                            java.lang.String outName)
                     throws java.io.FileNotFoundException,
                            java.io.IOException

Copy file using file names

Parameters:

inName -

outName -

Throws:

java.io.FileNotFoundException

java.io.IOException

copyFile

public static void copyFile(java.io.InputStream is,
                            java.io.OutputStream os,
                            boolean close)
                     throws java.io.IOException

Copy file from InputStream to OutputStream

Parameters:

is -

os -

close -

Throws:

java.io.IOException

copyFile

public static void copyFile(java.io.Reader is,
                            java.io.Writer os,
                            boolean close)
                     throws java.io.IOException

Copy file from Reader to Writer

Parameters:

is -

os -

close -

Throws:

java.io.IOException

copyFile

public static void copyFile(java.lang.String inName,
                            java.io.PrintWriter pw,
                            boolean close)
                     throws java.io.FileNotFoundException,
                            java.io.IOException

Copy file from File specified by name to PrintWrite

Parameters:

inName -

pw -

close -

Throws:

java.io.FileNotFoundException

java.io.IOException

readLine

public static java.lang.String readLine(java.lang.String inName)
                                 throws java.io.FileNotFoundException,
                                        java.io.IOException

Open a File and read first line of it

Parameters:

inName -

Returns:

the line

Throws:

java.io.FileNotFoundException

java.io.IOException

copyFileBuffered

public void copyFileBuffered(java.lang.String inName,
                             java.lang.String outName)
                      throws java.io.FileNotFoundException,
                             java.io.IOException

Copy a data file from one filename to another, alternate method. As the name suggests, use my own buffer instead of letting the BufferedReader allocate and use the buffer.

Parameters:

inName -

outName -

Throws:

java.io.FileNotFoundException

java.io.IOException

readerToString

public static java.lang.String readerToString(java.io.Reader is)
                                       throws java.io.IOException

Read the entire content of a Reader into a String

Parameters:

is -

Returns:

the String containing the reader

Throws:

java.io.IOException

inputStreamToString

public static java.lang.String inputStreamToString(java.io.InputStream is)
                                            throws java.io.IOException

Read the content of a Stream into a String

Parameters:

is -

Returns:

the String containing the input stream

Throws:

java.io.IOException

stringToFile

public static void stringToFile(java.lang.String text,
                                java.lang.String fileName)
                         throws java.io.IOException

Write a String as the entire content of a File

Parameters:

text -

fileName -

Throws:

java.io.IOException

openFile

public static java.io.BufferedReader openFile(java.lang.String fileName)
                                       throws java.io.IOException

Open a BufferedReader from a named file.

Parameters:

fileName -

Returns:

the buffered reader

Throws:

java.io.IOException