Commit fa98da96 authored by Carlos Galindo's avatar Carlos Galindo
Browse files

Improved argument handling and error messages

parent ca274a3c

e-Knife/src/main/java/eknife/EKnife.java

+7 −2
Original line number Diff line number Diff line
@@ -39,6 +39,11 @@ public class EKnife 


	public static void main(String[] args)

	{

		if (args.length == 0) {

			EKnife.printHelp();

			return;

		}



		final Args arguments = EKnife.processArguments(args);



		if (!arguments.isValid()) {
@@ -186,12 +191,12 @@ public class EKnife 
				errors.add("You must specify a file to analyze with '-i'.");

			else if (!new File(inputPath).exists())

				errors.add("The input file you've specified does not exist or isn't readable(" + inputPath + ").");

			else if (file == null)

				errors.add("The input file is a folder, so you must specify a the file that contains the slicing criterion with '-f'.");

			if (outputFile == null)

				errors.add("You must specify a location for the output with '-o'.");

			else if (!outputFile.exists() && !outputFile.getAbsoluteFile().getParentFile().isDirectory())

				errors.add("The output file's parent folder does not exist, or the output folder does not exist.");

			if (file == null)

				errors.add("The input file is a folder, so you must specify a the file that contains the slicing criterion with '-f'.");

			if (line <= 0)

				errors.add("You must specify a line number greater than 0 with '-l'.");

			if (name == null || name.isEmpty())