com.jslsolucoes.db.migrate.se.cli.ConsoleMode Maven / Gradle / Ivy

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package com.jslsolucoes.db.migrate.se.cli;

import java.io.File;
import java.io.FileReader;
import java.nio.file.Paths;
import java.util.Properties;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ConsoleMode {

    private String[] args;
    private final static Logger logger = LoggerFactory.getLogger(ConsoleMode.class);

    private ConsoleMode() {

    }

    public static ConsoleMode newConsole() {
	return new ConsoleMode();
    }

    public ConsoleMode withArgs(String[] args) {
	this.args = args;
	return this;
    }

    public ConsoleArgument build() {
	try {
	    Options options = new Options();
	    options.addOption(new Option("h", false, "Help"));
	    options.addOption(new Option("c", true, "Configuration file location"));
	    options.addOption(new Option("s", true, "Scripts folder location"));

	    CommandLineParser commandLineParser = new DefaultParser();
	    CommandLine commandLine = commandLineParser.parse(options, args, true);

	    ConsoleArgument consoleArgument = new ConsoleArgument();

	    if (commandLine.hasOption("help")) {
		HelpFormatter helpFormatter = new HelpFormatter();
		helpFormatter.printHelp("java -jar tjmsprh-rh-clock-sync.jar -conf application.properties", options);
		throw new RuntimeException("Help called. Program will exit..");
	    }

	    for (Option option : options.getOptions()) {
		String arg = option.getOpt();
		if (option.hasArg() && StringUtils.isEmpty(commandLine.getOptionValue(arg))) {
		    logger.error("Argument -{} is required to launch. Use -help to see arguments", arg);
		    throw new RuntimeException("Argument -"+arg+" is required to launch. Use -help to see arguments");
		}
	    }
	    consoleArgument.setConfiguration(properties(new File(commandLine.getOptionValue("c"))));
	    consoleArgument.setScript(Paths.get(commandLine.getOptionValue("s")));
	    return consoleArgument;
	} catch (Exception e) {
	    throw new RuntimeException(e);
	}
    }

    private Properties properties(File file) {
	try (FileReader fileReader = new FileReader(file)) {
	    Properties properties = new Properties();
	    properties.load(fileReader);
	    return properties;
	} catch (Exception e) {
	   throw new RuntimeException(e);
	}
    }
}