edu.sdsc.inca.protocol
Class ProtocolWriter

java.lang.Object
  java.io.Writer
      java.io.BufferedWriter
          edu.sdsc.inca.protocol.ProtocolWriter

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable, java.lang.Appendable

public class ProtocolWriter
extends java.io.BufferedWriter

Author:

Cathie Olschanowsky A buffered protocol writer. The same as a buffered Writer with the addition of a write method that will accept a Statement.

Field Summary

protected boolean	closed
protected static org.apache.log4j.Logger	logger

Fields inherited from class java.io.Writer

lock

Constructor Summary

ProtocolWriter(java.io.OutputStream output)
Create a buffered character-output stream that uses a default-sized output buffer.

ProtocolWriter(java.io.OutputStream output, int i)
Create a new buffered character-output stream that uses an output buffer of the given size.

ProtocolWriter(java.io.Writer writer)
Create a buffered character-output stream that uses a default-sized output buffer.

ProtocolWriter(java.io.Writer writer, int i)
Create a new buffered character-output stream that uses an output buffer of the given size.

Method Summary

void	close() Closes the writer.
boolean	isClosed() Indicates whether or not the writer has been closed.
void	write(Statement statement) Write a statement to the protocolWriter.
void	write(java.lang.String command, java.io.Reader inStream) Write a statement to the protocolWriter.

Methods inherited from class java.io.BufferedWriter

flush, newLine, write, write, write

Methods inherited from class java.io.Writer

append, append, append, write, write

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static org.apache.log4j.Logger logger

closed

protected boolean closed

Constructor Detail

ProtocolWriter

public ProtocolWriter(java.io.Writer writer)

Create a buffered character-output stream that uses a default-sized output buffer.

Parameters:

writer - the writer to send the data to

ProtocolWriter

public ProtocolWriter(java.io.Writer writer,
                      int i)

Create a new buffered character-output stream that uses an output buffer of the given size.

Parameters:

writer - to direct the output to

i - buffer size

ProtocolWriter

public ProtocolWriter(java.io.OutputStream output)

Create a buffered character-output stream that uses a default-sized output buffer.

Parameters:

output - the stream to send the data to

ProtocolWriter

public ProtocolWriter(java.io.OutputStream output,
                      int i)

Create a new buffered character-output stream that uses an output buffer of the given size.

Parameters:

output - the stream to direct the output to

i - buffer size

Method Detail

close

public void close()
           throws java.io.IOException

Closes the writer.

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.BufferedWriter

Throws:

java.io.IOException - on a close error

isClosed

public boolean isClosed()

Indicates whether or not the writer has been closed.

Returns:

true if the writer is closed, else false

write

public void write(Statement statement)
           throws java.io.IOException

Write a statement to the protocolWriter.

Parameters:

statement - data to write

Throws:

java.io.IOException - if the write fails

write

public void write(java.lang.String command,
                  java.io.Reader inStream)
           throws java.io.IOException

Write a statement to the protocolWriter.

Parameters:

command - command for the statement to write

inStream - data for the statement to write

Throws:

java.io.IOException - if the write fails