com.wewebu.ow.server.util.upload

Class OwBufferedServletInputStream

java.lang.Object

java.io.InputStream

javax.servlet.ServletInputStream

com.wewebu.ow.server.util.upload.OwBufferedServletInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class OwBufferedServletInputStream
extends javax.servlet.ServletInputStream

A BufferedServletInputStream wraps a ServletInputStream in order to provide input buffering and to avoid calling the the readLine method of the wrapped ServletInputStream.

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Constructor Summary

Constructors

Constructor and Description
OwBufferedServletInputStream(javax.servlet.ServletInputStream in_p) Creates a BufferedServletInputStream that wraps ServletInputStream.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() close the wrapped stream
int	read() Implement buffering read method of the wrapped ServletInputStream.
int	read(byte[] b_p, int off_p, int len_p) Implement buffering read method of the wrapped ServletInputStream.
int	readLine(byte[] b_p, int off_p, int len_p) Implement buffering readLine method of the wrapped ServletInputStream.

Methods inherited from class java.io.InputStream

available, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

OwBufferedServletInputStream

public OwBufferedServletInputStream(javax.servlet.ServletInputStream in_p)

Creates a BufferedServletInputStream that wraps ServletInputStream.

Parameters:

in_p - a servlet input stream.

Method Detail

readLine

public int readLine(byte[] b_p,
           int off_p,
           int len_p)
             throws IOException

Implement buffering readLine method of the wrapped ServletInputStream.

Overrides:

readLine in class javax.servlet.ServletInputStream

Parameters:

b_p - an array of bytes into which data is read.

off_p - an integer specifying the character at which this method begins reading.

len_p - an integer specifying the maximum number of bytes to read.

Returns:

an integer specifying the actual number of bytes read, or -1 if the end of the stream is reached.

Throws:

IOException - if an I/O error occurs.

read

public int read()
         throws IOException

Implement buffering read method of the wrapped ServletInputStream.

Specified by:

read in class InputStream

Returns:

the next byte of data, or -1 if the end of the stream is reached.

Throws:

IOException - if an I/O error occurs.

read

public int read(byte[] b_p,
       int off_p,
       int len_p)
         throws IOException

Implement buffering read method of the wrapped ServletInputStream.

Overrides:

read in class InputStream

Parameters:

b_p - the buffer into which the data is read.

off_p - the start offset of the data.

len_p - the maximum number of bytes read.

Returns:

the total number of bytes read into the buffer, or -1 if there is no more data because the end of the stream has been reached.

Throws:

IOException - if an I/O error occurs.

close

public void close()
           throws IOException

close the wrapped stream

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class InputStream

Throws:

IOException

See Also:

InputStream.close()