org.wegra.io
Class ReaderInputStream

java.lang.Object
  java.io.InputStream
      org.wegra.io.ReaderInputStream

public class ReaderInputStream

extends java.io.InputStream

Field Summary

protected java.io.ByteArrayOutputStream	fByteArrayOutputStream
protected byte[]	fByteBuffer
protected char[]	fCharBuffer
protected int	fIndex
protected int	fLength
protected java.io.Reader	fReader Internal Reader (data source)
protected java.io.Writer	fWriter

Constructor Summary

ReaderInputStream(java.io.Reader reader)
Created instance will use runtime platform's default encoding method.

ReaderInputStream(java.io.Reader reader, java.lang.String encoding)
Create one instance with specified encoding method.

Method Summary

int	available() Returns available length of bytes in stream (WARNING: See the return value's description).
void	close() Closes stream.
protected void	fillBuffer() Fills buffer from internal reader object (fReader).
int	read() Reads 1 byte and returns.
int	read(byte[] data, int offset, int length) Reads bytes of length and fills it to given data at specified offset.

Methods inherited from class java.io.InputStream

mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

fReader

protected java.io.Reader fReader

Internal Reader (data source)

fByteArrayOutputStream

protected java.io.ByteArrayOutputStream fByteArrayOutputStream

fWriter

protected java.io.Writer fWriter

fCharBuffer

protected char[] fCharBuffer

fByteBuffer

protected byte[] fByteBuffer

fIndex

protected int fIndex

fLength

protected int fLength

Constructor Detail

ReaderInputStream

public ReaderInputStream(java.io.Reader reader)

Created instance will use runtime platform's default encoding method.

ReaderInputStream

public ReaderInputStream(java.io.Reader reader,
                         java.lang.String encoding)
                  throws java.io.UnsupportedEncodingException

Create one instance with specified encoding method.

Method Detail

available

public int available()
              throws java.io.IOException

Returns available length of bytes in stream (WARNING: See the return value's description).

Returns:

Available length of buffer or 1 if data source has more data or 0 if not .

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Closes stream.

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Reads 1 byte and returns.

Returns:

Read byte or -1 if stream reachs End of Stream.

Throws:

java.io.IOException

read

public int read(byte[] data,
                int offset,
                int length)
         throws java.io.IOException

Reads bytes of length and fills it to given data at specified offset.

Parameters:

data - Buffer to fill read bytes

offset - Offset of data to fill first

length - Length to read

Returns:

Length of successfully read bytes.

Throws:

java.io.IOException

fillBuffer

protected void fillBuffer()
                   throws java.io.IOException

Fills buffer from internal reader object (fReader).

Throws:

java.io.IOException