Copy file

				String originalPDF = "C:\\wwwww.pdf";
		int index = originalPDF.lastIndexOf(".", originalPDF.length());
		String misignDocName = originalPDF.substring(0, index) + "_ddd.pdf";
		try {
			File srcYLPPDF = new File(originalPDF);
			File destYLPPDF = new File(misignDocName);
			if(srcYLPPDF.exists()){
				System.out.println("-----------");
			}
			if(!destYLPPDF.exists()){
				System.out.println("-----------");
			}
			
			if (srcYLPPDF.exists() && !destYLPPDF.exists()) {
				FileUtils.copyFile(srcYLPPDF, new File(misignDocName));
			}
		} catch (IOException e) {
			e.printStackTrace();
		}