if ( !( new File( imageFileName ).exists( ) ) )
if ( getFullPath( imageFileName ).trim( ).length( ) == 0 )
	public boolean canFinish()	{			if(isTextEmpty(nameText))		{			return false;		}				if(!isTextEmpty(previewImageText))		{			String imageFileName = previewImageText.getText( ).trim( );			if ( !( new File( imageFileName ).exists( ) ) )			{				return false;			}else			if(! checkExtensions(imageFileName))			{				return false;			}		}		if(nameStatus.getSeverity( ) == IStatus.ERROR || previewImageStatus.getSeverity( ) == IStatus.ERROR)		{			return false;		}		return true;	}