File Doc Category Size Date Package
FilterReader.java API Doc Java SE 5 API 2541 Fri Aug 26 14:57:00 BST 2005 java.io

FilterReader

java.lang.Object
- java.io.Reader

public abstract class FilterReader extends Reader

Abstract class for reading filtered character streams. The abstract class FilterReader itself provides default methods that pass all requests to the contained stream. Subclasses of FilterReader should override some of these methods and may also provide additional methods and fields.

version: 1.17, 03/12/19
author: Mark Reinhold
since: JDK1.1

Fields Summary
protected Reader
in
The underlying character-input stream.
Constructors Summary
protected FilterReader(Reader in)
Create a new filtered reader.
param
in a Reader object providing the underlying stream.
throws
NullPointerException if in is null
super(in); this.in = in;
Methods Summary
public void close()
Close the stream.
exception
IOException If an I/O error occurs
in.close();
public void mark(int readAheadLimit)
Mark the present position in the stream.
exception
IOException If an I/O error occurs
in.mark(readAheadLimit);
public boolean markSupported()
Tell whether this stream supports the mark() operation.
return in.markSupported();
public int read()
Read a single character.
exception
IOException If an I/O error occurs
return in.read();
public int read(char[] cbuf, int off, int len)
Read characters into a portion of an array.
exception
IOException If an I/O error occurs
return in.read(cbuf, off, len);
public boolean ready()
Tell whether this stream is ready to be read.
exception
IOException If an I/O error occurs
return in.ready();
public void reset()
Reset the stream.
exception
IOException If an I/O error occurs
in.reset();
public long skip(long n)
Skip characters.
exception
IOException If an I/O error occurs
return in.skip(n);