com.github.jy2.commandline.picocli.param.ParamListCommand Maven / Gradle / Ivy

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package com.github.jy2.commandline.picocli.param;

import java.io.IOException;
import java.util.ArrayList;

import com.github.jy2.commandline.picocli.Main;

import picocli.CommandLine.Command;
import picocli.CommandLine.Option;
import picocli.CommandLine.ParentCommand;

@Command(name = "list", description = "List parameters on screen")
public class ParamListCommand implements Runnable {

	@ParentCommand
	ParamCommand parent;

	@Option(names = { "--grep" }, description = "Character sequence to be expected in parameter name")
	String grep;

	public void run() {
		ArrayList list;
		try {
			list = Main.di.getParameterClient().getParameterNames();
		} catch (IOException e) {
			e.printStackTrace();
			return;
		}
		list.sort(String::compareToIgnoreCase);
		for (String s : list) {
			if (grep != null) {
				if (!s.contains(grep)) {
					continue;
				}
			}
			System.out.println("\t" + s);
		}
	}
}