java.io

Class InputStream

java.lang.Object

java.io.InputStream

Direct Known Subclasses:

ByteArrayInputStream, ConsoleErrorStream, ConsoleInputStream, FileInputStream, FilterInputStream, NullInputStream, PipedInputStream, SequenceInputStream, SerialInputStream, StringBufferInputStream

public abstract class InputStream
extends Object

Constructor Summary

Constructors

Constructor and Description
InputStream() InputStream

Method Summary

Modifier and Type	Method and Description
int	available()
void	close()
void	mark(int i)
boolean	markSupported()
abstract int	read()
int	read(byte[] abyte0)
int	read(byte[] arr, int ofs, int len) Read byte data until there is no more available.
void	reset()
long	skip(long l)

Methods inherited from class java.lang.Object

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

Constructor Detail

InputStream

public InputStream()

InputStream

Method Detail

available

public int available()
              throws IOException

Returns:

?

Throws:

IOException - ?

close

public void close()
           throws IOException

Throws:

IOException - ?

mark

public void mark(int i)

Parameters:

i - ?

markSupported

public boolean markSupported()

Returns:

?

read

public abstract int read()
                  throws IOException

Returns:

?

Throws:

IOException - ?

read

public int read(byte[] abyte0)
         throws IOException

Parameters:

abyte0 - ?

Returns:

?

Throws:

IOException - ?

read

public int read(byte[] arr,
                int ofs,
                int len)
         throws IOException

Read byte data until there is no more available. This does not block for the balance of any data. If there is not data this returns -1. If there is some data but not all that is requested it returns what it has.

Parameters:

arr - array to receive bytes

ofs - offset into the array where data is placed

len - maximum count of bytes to read

Returns:

count of bytes read if any or -1

Throws:

IOException - if the stream is not available

reset

public void reset()
           throws IOException

Throws:

IOException - ?

skip

public long skip(long l)
          throws IOException

Parameters:

l - ?

Returns:

?

Throws:

IOException - ?