Package com.github.mike10004.xvfbmanager

Class FramebufferDirScreenshooter

java.lang.Object

com.github.mike10004.xvfbmanager.FramebufferDirScreenshooter

All Implemented Interfaces:

Screenshooter<XwdFileScreenshot>

public class FramebufferDirScreenshooter
extends Object
implements Screenshooter<XwdFileScreenshot>

Screenshooter implementation that copies the framebuffer file from the framebuffer directory. See the -fbdir option to Xvfb in the manual.

Nested Class Summary

Nested classes/interfaces inherited from interface com.github.mike10004.xvfbmanager.Screenshooter

Screenshooter.ScreenshooterException

Constructor Summary

Constructors

Constructor	Description
FramebufferDirScreenshooter(File framebufferDir, int screen, File outputDir)	Constructs a new instance of the class.

Method Summary

Modifier and Type	Method	Description
XwdFileScreenshot	capture()	Captures a screenshot.
protected String	constructFramebufferFilename()
protected File	constructOutputPathname(File outputDir)	Constructs the output file pathname.

Methods inherited from class java.lang.Object

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

Constructor Detail

FramebufferDirScreenshooter

public FramebufferDirScreenshooter(File framebufferDir,
                                   int screen,
                                   File outputDir)

Constructs a new instance of the class.

Parameters:

framebufferDir - the directory containing the framebuffer file

screen - the screen; see -screen option in the Xvfb manual

outputDir - directory to which the output file will be written

Method Detail

constructFramebufferFilename

protected String constructFramebufferFilename()

capture

public XwdFileScreenshot capture()
                          throws IOException,
                                 XvfbException

Description copied from interface: Screenshooter

Captures a screenshot.

Specified by:

capture in interface Screenshooter<XwdFileScreenshot>

Returns:

the screenshot

Throws:

IOException - if capture encounters an I/O error

XvfbException - if a virtual framebuffer error occurs

constructOutputPathname

protected File constructOutputPathname(File outputDir)
                                throws IOException

Constructs the output file pathname. This implementation creates a temporary file with unique name.

Parameters:

outputDir - directory in which file will be a child

Returns:

the pathname

Throws:

IOException - if something goes awry