com.infoengine.SAK
Class HttpInputStream

java.lang.Object
  java.io.InputStream
      com.infoengine.SAK.HttpInputStream

public class HttpInputStream

extends InputStream

This class implements an HTTP input stream class for Info*Engine.

Field Summary

private int	contentLength
private byte[]	inputBuffer
private int	inputBufferCursor
private int	inputBufferLimit
private InputStream	inputStream

Fields inherited from class java.io.InputStream

Constructor Summary

HttpInputStream()

HttpInputStream(URLConnection connection)
Constructor that initializes the instance to read from a URL connection.

Method Summary

int	available() Return the number of bytes that can be read without blocking.
void	close() Close the input stream.
InputStream	getInputStream()
void	mark(int readLimit) Mark the current position in the input stream.
boolean	markSupported() Return an indication of support for input stream marking.
int	read() Return a byte from the input stream.
int	read(byte[] b) Read bytes from the input stream into an array.
int	read(byte[] b, int off, int len) Read bytes from the input stream into an array or subarray.
String	readLine() Read a line of text from the client connection using the default character encoding for the platform.
String	readLine(String encoding) Read a line of text from the client connection using a specified character encoding.
void	reset() Reset input stream position to last mark.
void	setContentLength(int contentLength)
void	setInputStream(InputStream in)
long	skip(long n) Read and discard bytes.

Methods inherited from class java.lang.Object

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

Field Detail

contentLength

private int contentLength

inputBuffer

private byte[] inputBuffer

inputBufferCursor

private int inputBufferCursor

inputBufferLimit

private int inputBufferLimit

inputStream

private InputStream inputStream

Constructor Detail

HttpInputStream

public HttpInputStream()

HttpInputStream

public HttpInputStream(URLConnection connection)
                throws IOException

Constructor that initializes the instance to read from a URL connection.

Method Detail

available

public int available()
              throws IOException

Return the number of bytes that can be read without blocking.

Returns:

int number of bytes that can be read

Throws:

IOException

close

public void close()
           throws IOException

Close the input stream.

Throws:

IOException

mark

public void mark(int readLimit)

Mark the current position in the input stream.

Parameters:

readLimit - position to mark

markSupported

public boolean markSupported()

Return an indication of support for input stream marking.

Returns:

boolean mark support indication

read

public int read()
         throws IOException

Return a byte from the input stream.

Returns:

int next byte from input stream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Read bytes from the input stream into an array.

Parameters:

b - array

Returns:

int number of bytes read

Throws:

IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

Read bytes from the input stream into an array or subarray.

Parameters:

b - array

off - offset of array at which to read bytes

len - maximum number of bytes to read

Returns:

int number of bytes read

Throws:

IOException

readLine

public String readLine()
                throws IOException

Read a line of text from the client connection using the default character encoding for the platform.

Returns:

String line of text, with end of line sequence removed

Throws:

IOException

readLine

public String readLine(String encoding)
                throws IOException

Read a line of text from the client connection using a specified character encoding.

Parameters:

encoding - the character encoding to apply to the connection

Returns:

String line of text, with end of line sequence removed

Throws:

IOException

reset

public void reset()
           throws IOException

Reset input stream position to last mark.

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Read and discard bytes.

Parameters:

n - number of bytes to read and discard

Returns:

long actual number of bytes read and discarded

Throws:

IOException

setInputStream

public void setInputStream(InputStream in)

setContentLength

public void setContentLength(int contentLength)

getInputStream

public InputStream getInputStream()