infoservice
Class InfoServiceConnectionReader

java.lang.Object
  infoservice.InfoServiceConnectionReader

public class InfoServiceConnectionReader
extends java.lang.Object

This is the implementation for reading data from an InputStream with a limitof bytes maximally read.

Field Summary

private int	m_byteLimit This stores the currently number of bytes which can be read from the InputStream until the data limit is exhausted.
private java.io.InputStream	m_inputStream This stores the InputStream where the data is read from.

Constructor Summary

InfoServiceConnectionReader(java.io.InputStream a_inputStream, int a_byteLimit)
Constructs a new InfoServiceConnectionReader with a read-limitation for an InputStream.

Method Summary

int	read() Reads one byte from the underlying InputStream.

Methods inherited from class java.lang.Object

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

Field Detail

m_inputStream

private java.io.InputStream m_inputStream

This stores the InputStream where the data is read from.

m_byteLimit

private int m_byteLimit

This stores the currently number of bytes which can be read from the InputStream until the data limit is exhausted.

Constructor Detail

InfoServiceConnectionReader

public InfoServiceConnectionReader(java.io.InputStream a_inputStream,
                                   int a_byteLimit)

Constructs a new InfoServiceConnectionReader with a read-limitation for an InputStream.

Parameters:

a_inputStream - The InputStream where the data shall be read from.

a_byteLimit - The maximum number of bytes allowed to read from the stream.

Method Detail

read

public int read()
         throws java.lang.Exception

Reads one byte from the underlying InputStream. If the call is successful, the limit of bytes able to read from the stream is also decremented by 1. If the end of the stream is reached or there was an exception while reading from the stream, the byte limit is not decremented. In the case of a read exception, this exception is thrown. If the byte limit is exhausted, also an exception is thrown.

Returns:

The byte read from the stream or -1, if the end of the stream was reached.

Throws:

java.lang.Exception