Package com.cloud.serverpak.handlers

Class FileHandler

java.lang.Object

com.cloud.serverpak.handlers.FileHandler

public class FileHandler
extends Object

Class listener of messages carrying file data. Defines a method for work with a message containing the file data.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	append	Marker defining the mode of writing to the file (whether to append the data to the end of the file or overwrite it.)
private final FilesInformService	fileService	File information service.
private FileOutputStream	fos	Output stream to a file.
private final MainHandler	mainHandler	Netty's main listener.

Constructor Summary

Constructors

Constructor	Description
FileHandler(MainHandler mainHandler)	The constructor saves the main listener reference.

Method Summary

Modifier and Type	Method	Description
void	fileHandle(io.netty.channel.ChannelHandlerContext ctx, Object msg)	Receives a message with file data, checks whether the file fits into 1 message.

Methods inherited from class java.lang.Object

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

Field Details

mainHandler

private final MainHandler mainHandler

Netty's main listener.

See Also:

• MainHandler

fileService

private final FilesInformService fileService

File information service.

See Also:

• FilesInformService

fos

private FileOutputStream fos

Output stream to a file.

append

private boolean append

Marker defining the mode of writing to the file (whether to append the data to the end of the file or overwrite it.)

Constructor Details

FileHandler

public FileHandler(MainHandler mainHandler)

The constructor saves the main listener reference.

Parameters:

mainHandler - Netty's main listener.

Method Details

fileHandle

public void fileHandle(io.netty.channel.ChannelHandlerContext ctx,
 Object msg)

Receives a message with file data, checks whether the file fits into 1 message. If not, then sets the "append" marker to "true" mode to record data from follow-up messages to the end of the file. After receiving the last part of the file in the message closes the output stream to the file. Sends a service message to the client with updated storage status data.

Parameters:

ctx - channel context.

msg - the message object.

See Also:

• FilesSizeRequest