Class java.io.FilterReader
java.lang.Object
|
+----java.io.Reader
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+----java.io.FilterReader
- Subclasses:
- PushbackReader
- public abstract class FilterReader
- extends Reader
Abstract class for reading filtered character streams.
- Since:
- JDK1.1
Field Summary
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Reader
|
in
The underlying character-input stream, or null if the stream has been
closed
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Method Summary
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void
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close()
Close the stream.
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void
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mark(int readAheadLimit)
Mark the present position in the stream.
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boolean
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markSupported()
Tell whether this stream supports the mark() operation.
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int
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read()
Read a single character.
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int
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read(char[] cbuf,
int off,
int len)
Read characters into a portion of an array.
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boolean
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ready()
Tell whether this stream is ready to be read.
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void
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reset()
Reset the stream.
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long
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skip(long n)
Skip characters.
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Methods inherited from class java.lang.Object
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
in
protected Reader in
- The underlying character-input stream, or null if the stream has been
closed
FilterReader
protected FilterReader(Reader in)
- Create a new filtered reader.
read
public int read() throws IOException
- Read a single character.
- Throws:
- IOException - If an I/O error occurs
- Overrides:
- read in class Reader
read
public int read(char[] cbuf,
int off,
int len) throws IOException
- Read characters into a portion of an array.
- Throws:
- IOException - If an I/O error occurs
- Overrides:
- read in class Reader
skip
public long skip(long n) throws IOException
- Skip characters.
- Throws:
- IOException - If an I/O error occurs
- Overrides:
- skip in class Reader
ready
public boolean ready() throws IOException
- Tell whether this stream is ready to be read.
- Throws:
- IOException - If an I/O error occurs
- Overrides:
- ready in class Reader
markSupported
public boolean markSupported()
- Tell whether this stream supports the mark() operation.
- Overrides:
- markSupported in class Reader
mark
public void mark(int readAheadLimit) throws IOException
- Mark the present position in the stream.
- Throws:
- IOException - If an I/O error occurs
- Overrides:
- mark in class Reader
reset
public void reset() throws IOException
- Reset the stream.
- Throws:
- IOException - If an I/O error occurs
- Overrides:
- reset in class Reader
close
public void close() throws IOException
- Close the stream.
- Throws:
- IOException - If an I/O error occurs
- Overrides:
- close in class Reader
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