org.apache.commons.io.input
public abstract class ProxyInputStream extends FilterInputStream
It is an alternative base class to FilterInputStream to increase reusability, because FilterInputStream changes the methods being called, such as read(byte[]) to read(byte[], int, int).
Version: $Id: ProxyInputStream.java 610010 2008-01-08 14:50:59Z niallp $
Constructor Summary | |
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ProxyInputStream(InputStream proxy)
Constructs a new ProxyInputStream.
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Method Summary | |
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int | available()
Invokes the delegate's available() method. |
void | close()
Invokes the delegate's close() method. |
void | mark(int idx)
Invokes the delegate's mark(int) method. |
boolean | markSupported()
Invokes the delegate's markSupported() method. |
int | read()
Invokes the delegate's read() method. |
int | read(byte[] bts)
Invokes the delegate's read(byte[]) method. |
int | read(byte[] bts, int st, int end)
Invokes the delegate's read(byte[], int, int) method. |
void | reset()
Invokes the delegate's reset() method. |
long | skip(long ln)
Invokes the delegate's skip(long) method. |
Parameters: proxy the InputStream to delegate to
available()
method.Returns: the number of available bytes
Throws: IOException if an I/O error occurs
close()
method.Throws: IOException if an I/O error occurs
mark(int)
method.Parameters: idx read ahead limit
markSupported()
method.Returns: true if mark is supported, otherwise false
read()
method.Returns: the byte read or -1 if the end of stream
Throws: IOException if an I/O error occurs
read(byte[])
method.Parameters: bts the buffer to read the bytes into
Returns: the number of bytes read or -1 if the end of stream
Throws: IOException if an I/O error occurs
read(byte[], int, int)
method.Parameters: bts the buffer to read the bytes into st The start offset end The number of bytes to read
Returns: the number of bytes read or -1 if the end of stream
Throws: IOException if an I/O error occurs
reset()
method.Throws: IOException if an I/O error occurs
skip(long)
method.Parameters: ln the number of bytes to skip
Returns: the number of bytes to skipped or -1 if the end of stream
Throws: IOException if an I/O error occurs