javatools.filehandlers

Class UTF8Reader

java.lang.Object

java.io.Reader

javatools.filehandlers.UTF8Reader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Readable

public class UTF8Reader
extends java.io.Reader

This class is part of the Java Tools (see http://mpii.de/yago-naga/javatools). It is licensed under the Creative Commons Attribution License (see http://creativecommons.org/licenses/by/3.0) by the YAGO-NAGA team (see http://mpii.de/yago-naga). This class can read characters from a file that is UTF8 encoded.
Example:

 Reader f=new UTF8Reader(new File("blah.blb"));
 int c;
 while((c=f.read())!=-1) System.out.print(Char.normalize(c));
 f.close();
 

Field Summary

Fields

Modifier and Type	Field and Description
protected java.io.InputStream	in Holds the input Stream
protected long	numBytesRead number of chars for announce
protected boolean	progressBar tells whether we want a progress bar

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor and Description
UTF8Reader(java.io.File f) Constructs a UTF8Reader from a File
UTF8Reader(java.io.File f, java.lang.String message) Constructs a UTF8Reader from a File, makes a nice progress bar
UTF8Reader(java.io.InputStream s) Constructs a UTF8Reader from a Reader
UTF8Reader(java.lang.String f) Constructs a UTF8Reader from a File
UTF8Reader(java.lang.String f, java.lang.String message) Constructs a UTF8Reader from a File, makes a nice progress bar
UTF8Reader(java.net.URL url) Constructs a UTF8Reader for an URL

Method Summary

Modifier and Type	Method and Description
void	close()
static void	main(java.lang.String[] args) Test method
long	numBytesRead() Returns the number of bytes read from the underlying stream
int	read()
int	read(char[] cbuf, int off, int len)
java.lang.String	readLine() Reads a line

Methods inherited from class java.io.Reader

mark, markSupported, read, read, ready, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

in

protected java.io.InputStream in

Holds the input Stream

numBytesRead

protected long numBytesRead

number of chars for announce

progressBar

protected boolean progressBar

tells whether we want a progress bar

Constructor Detail

UTF8Reader

public UTF8Reader(java.io.InputStream s)

Constructs a UTF8Reader from a Reader

UTF8Reader

public UTF8Reader(java.net.URL url)
           throws java.io.IOException

Constructs a UTF8Reader for an URL

Throws:

java.io.IOException

UTF8Reader

public UTF8Reader(java.io.File f)
           throws java.io.FileNotFoundException

Constructs a UTF8Reader from a File

Throws:

java.io.FileNotFoundException

UTF8Reader

public UTF8Reader(java.io.File f,
                  java.lang.String message)
           throws java.io.FileNotFoundException

Constructs a UTF8Reader from a File, makes a nice progress bar

Throws:

java.io.FileNotFoundException

UTF8Reader

public UTF8Reader(java.lang.String f)
           throws java.io.FileNotFoundException

Constructs a UTF8Reader from a File

Throws:

java.io.FileNotFoundException

UTF8Reader

public UTF8Reader(java.lang.String f,
                  java.lang.String message)
           throws java.io.FileNotFoundException

Constructs a UTF8Reader from a File, makes a nice progress bar

Throws:

java.io.FileNotFoundException

Method Detail

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in class java.io.Reader

Throws:

java.io.IOException

read

public int read(char[] cbuf,
                int off,
                int len)
         throws java.io.IOException

Specified by:

read in class java.io.Reader

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.Reader

Throws:

java.io.IOException

numBytesRead

public long numBytesRead()

Returns the number of bytes read from the underlying stream

readLine

public java.lang.String readLine()
                          throws java.io.IOException

Reads a line

Throws:

java.io.IOException

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Test method

Throws:

java.io.IOException