javatools.filehandlers

Class UTF8Reader

java.lang.Object

java.io.Reader

javatools.filehandlers.UTF8Reader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class UTF8Reader
extends Reader

Copyright 2016 Fabian M. Suchanek Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. 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 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(File f) Constructs a UTF8Reader from a File
UTF8Reader(File f, String message) Constructs a UTF8Reader from a File, makes a nice progress bar
UTF8Reader(InputStream s) Constructs a UTF8Reader from a Reader
UTF8Reader(String f) Constructs a UTF8Reader from a File
UTF8Reader(String f, String message) Constructs a UTF8Reader from a File, makes a nice progress bar
UTF8Reader(URL url) Constructs a UTF8Reader for an URL

Method Summary

Modifier and Type	Method and Description
void	close()
static void	main(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)
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 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(InputStream s)

Constructs a UTF8Reader from a Reader

UTF8Reader

public UTF8Reader(URL url)
           throws IOException

Constructs a UTF8Reader for an URL

Throws:

IOException

UTF8Reader

public UTF8Reader(File f)
           throws FileNotFoundException

Constructs a UTF8Reader from a File

Throws:

FileNotFoundException

UTF8Reader

public UTF8Reader(File f,
                  String message)
           throws FileNotFoundException

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

Throws:

FileNotFoundException

UTF8Reader

public UTF8Reader(String f)
           throws FileNotFoundException

Constructs a UTF8Reader from a File

Throws:

FileNotFoundException

UTF8Reader

public UTF8Reader(String f,
                  String message)
           throws FileNotFoundException

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

Throws:

FileNotFoundException

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class Reader

Throws:

IOException

read

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

Specified by:

read in class Reader

Throws:

IOException

read

public int read()
         throws IOException

Overrides:

read in class Reader

Throws:

IOException

numBytesRead

public long numBytesRead()

Returns the number of bytes read from the underlying stream

readLine

public String readLine()
                throws IOException

Reads a line

Throws:

IOException

main

public static void main(String[] args)
                 throws IOException

Test method

Throws:

IOException