Package org.ka2ddo.yaac.io

Class RandomOutputStream

java.lang.Object

java.io.OutputStream

org.ka2ddo.yaac.io.RandomOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class RandomOutputStream
extends OutputStream

This class provides a sequential OutputStream wrapper around a RandomAccessFile. Note that closing this object does not close the wrapped RandomAccessFile.

Author:

Andrew Pavlin, KA2DDO

Constructor Summary

Constructors

Constructor	Description
RandomOutputStream(RandomAccessFile raf)

Method Summary

Modifier and Type	Method	Description
void	write(byte[] b)	Writes b.length bytes from the specified byte array to this output stream.
void	write(byte[] b, int off, int len)	Writes len bytes from the specified byte array starting at offset off to this output stream.
void	write(int b)	Writes the specified byte to this output stream.

Methods inherited from class java.io.OutputStream

close, flush, nullOutputStream

Methods inherited from class java.lang.Object

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

Constructor Details

RandomOutputStream

public RandomOutputStream(RandomAccessFile raf)

Method Details

write

public void write(int b)
           throws IOException

Writes the specified byte to this output stream. The general contract for write is that one byte is written to the output stream. The byte to be written is the eight low-order bits of the argument b. The 24 high-order bits of b are ignored.

Subclasses of OutputStream must provide an implementation for this method.

Specified by:

write in class OutputStream

Parameters:

b - the byte.

Throws:

IOException - if an I/O error occurs. In particular, an IOException may be thrown if the output stream has been closed.

write

public void write(byte[] b)
           throws IOException

Writes b.length bytes from the specified byte array to this output stream. The general contract for write(b) is that it should have exactly the same effect as the call write(b, 0, b.length).

Overrides:

write in class OutputStream

Parameters:

b - the data.

Throws:

IOException - if an I/O error occurs.

See Also:

• OutputStream.write(byte[], int, int)

write

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

Writes len bytes from the specified byte array starting at offset off to this output stream. The general contract for write(b, off, len) is that some of the bytes in the array b are written to the output stream in order; element b[off] is the first byte written and b[off+len-1] is the last byte written by this operation.

The write method of OutputStream calls the write method of one argument on each of the bytes to be written out. Subclasses are encouraged to override this method and provide a more efficient implementation.

If b is null, a NullPointerException is thrown.

If off is negative, or len is negative, or off+len is greater than the length of the array b, then an IndexOutOfBoundsException is thrown.

Overrides:

write in class OutputStream

Parameters:

b - the data.

off - the start offset in the data.

len - the number of bytes to write.

Throws:

IOException - if an I/O error occurs. In particular, an IOException is thrown if the output stream is closed.