private static void HdfsCopy()

in SamplesV1/CustomizedJavaOnHDInsight/HDInsight-ADF/src/com/adf/jobonhdi/JobOnHdiLauncher.java [303:335]

• 30 lines of code
• 3 McCabe index (conditional complexity)

	private static void HdfsCopy(String filePath, String destinationPath, boolean isWindowsOs) throws Exception
	{
        List<String> commands = new ArrayList<String>();
    	if (isWindowsOs)
    	{
    		commands.add("cmd");
        	commands.add("/c");
    	}
    	else
    	{
        	commands.add("/bin/sh");
            commands.add("-c");       		
    	}
        commands.add("hadoop fs -copyToLocal " + filePath + " " + destinationPath);
	
	    System.out.println("Start copying : " + commands.get(2));
	    
	    ProcessBuilder pb = new ProcessBuilder(commands);
	    Process copyProcess = pb.start();
	    int result = copyProcess.waitFor();
	
	    if (result != 0)
	    {
	        System.err.println("'" + filePath + "' is not a valid Azure storage blob. Please use format wasb://storage_url/container_name/blob_name.");
	        RedirectProcessResult(copyProcess.getErrorStream(), System.err);
	        throw new RuntimeException("Failed to copy " + filePath);
	    }
	    else
	    {
	        System.out.println(filePath + " is copied successfully!");
	        RedirectProcessResult(copyProcess.getInputStream(), System.out);
	    }
	}