org.apache.commons.io.input

Class BrokenReader

java.lang.Object

java.io.Reader

org.apache.commons.io.input.BrokenReader

All Implemented Interfaces:

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

public class BrokenReader
extends java.io.Reader

Broken reader. This reader always throws an IOException from all the Reader methods where the exception is declared.

This class is mostly useful for testing error handling in code that uses a reader.

Since:

2.7

Field Summary

Fields

Modifier and Type	Field and Description
private java.io.IOException	exception The exception that is thrown by all methods of this class.

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor and Description
BrokenReader() Creates a new reader that always throws an IOException
BrokenReader(java.io.IOException exception) Creates a new reader that always throws the given exception.

Method Summary

Modifier and Type	Method and Description
void	close() Throws the configured exception.
void	mark(int readAheadLimit) Throws the configured exception.
int	read(char[] cbuf, int off, int len) Throws the configured exception.
boolean	ready() Throws the configured exception.
void	reset() Throws the configured exception.
long	skip(long n) Throws the configured exception.

Methods inherited from class java.io.Reader

markSupported, read, read, read

Methods inherited from class java.lang.Object

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

Field Detail

exception

private final java.io.IOException exception

The exception that is thrown by all methods of this class.

Constructor Detail

BrokenReader

public BrokenReader(java.io.IOException exception)

Creates a new reader that always throws the given exception.

Parameters:

exception - the exception to be thrown

BrokenReader

public BrokenReader()

Creates a new reader that always throws an IOException

Method Detail

read

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

Throws the configured exception.

Specified by:

read in class java.io.Reader

Parameters:

cbuf - ignored

off - ignored

len - ignored

Returns:

nothing

Throws:

java.io.IOException - always thrown

skip

public long skip(long n)
          throws java.io.IOException

Throws the configured exception.

Overrides:

skip in class java.io.Reader

Parameters:

n - ignored

Returns:

nothing

Throws:

java.io.IOException - always thrown

ready

public boolean ready()
              throws java.io.IOException

Throws the configured exception.

Overrides:

ready in class java.io.Reader

Returns:

nothing

Throws:

java.io.IOException - always thrown

mark

public void mark(int readAheadLimit)
          throws java.io.IOException

Throws the configured exception.

Overrides:

mark in class java.io.Reader

Parameters:

readAheadLimit - ignored

Throws:

java.io.IOException - always thrown

reset

public void reset()
           throws java.io.IOException

Throws the configured exception.

Overrides:

reset in class java.io.Reader

Throws:

java.io.IOException - always thrown

close

public void close()
           throws java.io.IOException

Throws the configured exception.

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 - always thrown