org.apache.excalibur.source.impl
Class HTTPClientSource.WrappedFileOutputStream

java.lang.Object
  java.io.OutputStream
      java.io.FileOutputStream
          org.apache.excalibur.source.impl.HTTPClientSource.WrappedFileOutputStream

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable

Enclosing class:

HTTPClientSource

private class HTTPClientSource.WrappedFileOutputStream
extends java.io.FileOutputStream

Internal class which extends FileOutputStream to automatically upload the data written to it, upon a close() operation.

Field Summary

private java.io.File	m_file Reference to the File being written itself.
private org.apache.avalon.framework.logger.Logger	m_logger Reference to a Logger.

Constructor Summary

HTTPClientSource.WrappedFileOutputStream(java.io.File file, org.apache.avalon.framework.logger.Logger logger)
Constructor, creates a new HTTPClientSource.WrappedFileOutputStream instance.

Method Summary

boolean	canCancel() Method to test whether this stream can be closed.
void	cancel() Cancels this stream.
void	close() Closes the stream, and uploads the file written to the server.
private boolean	successfulUpload(int response) According to RFC2616 (HTTP 1.1) valid responses for a HTTP PUT are 201 (Created), 200 (OK), and 204 (No Content).
private void	upload() Helper method to attempt uploading of the local data file to the remove server via a HTTP PUT.

Methods inherited from class java.io.FileOutputStream

finalize, getChannel, getFD, write, write, write

Methods inherited from class java.io.OutputStream

flush

Methods inherited from class java.lang.Object

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

Field Detail

m_file

private java.io.File m_file

Reference to the File being written itself.

m_logger

private final org.apache.avalon.framework.logger.Logger m_logger

Reference to a Logger.

Constructor Detail

HTTPClientSource.WrappedFileOutputStream

public HTTPClientSource.WrappedFileOutputStream(java.io.File file,
                                                org.apache.avalon.framework.logger.Logger logger)
                                         throws java.io.IOException

Constructor, creates a new HTTPClientSource.WrappedFileOutputStream instance.

Parameters:

file - File to write to.

logger - Logger reference.

Throws:

java.io.IOException - if an error occurs

Method Detail

close

public void close()
           throws java.io.IOException

Closes the stream, and uploads the file written to the server.

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.FileOutputStream

Throws:

java.io.IOException - if an error occurs

canCancel

public boolean canCancel()

Method to test whether this stream can be closed.

Returns:

true if possible, false otherwise.

cancel

public void cancel()
            throws java.io.IOException

Cancels this stream.

Throws:

java.io.IOException - if stream is already closed

upload

private void upload()
             throws java.io.IOException

Helper method to attempt uploading of the local data file to the remove server via a HTTP PUT.

Throws:

java.io.IOException - if an error occurs

successfulUpload

private boolean successfulUpload(int response)

According to RFC2616 (HTTP 1.1) valid responses for a HTTP PUT are 201 (Created), 200 (OK), and 204 (No Content).

Parameters:

response - response code from the HTTP PUT

Returns:

true if upload was successful, false otherwise.