com.zendesk.maxwell.util.MaxwellOptionParser Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of maxwell Show documentation

Maxwell's daemon. Watches mysql, outputs to JSON.

There is a newer version: 1.8.0

package com.zendesk.maxwell.util;

import joptsimple.OptionParser;
import joptsimple.OptionSpecBuilder;

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

public class MaxwellOptionParser extends OptionParser {
	private String currentSection = null;
	private ArrayList sectionNames = new ArrayList<>();
	private HashMap> sections = new HashMap<>();
	private MaxwellHelpFormatter helpFormatter = new MaxwellHelpFormatter(200, 4, sections, sectionNames);

	public MaxwellOptionParser() {
		this.formatHelpWith(helpFormatter);
	}

	public void addToSection(String optionName)  {
		ArrayList list = sections.computeIfAbsent(currentSection, k -> new ArrayList<>());
		list.add(optionName);
	}

	@Override
	public OptionSpecBuilder accepts(String option, String description) {
		addToSection(option);
		return super.accepts(option, description);
	}

	private int separatorIndex = 0;
	public void separator() {
		this.accepts("__separator_" + ++separatorIndex, "");
	}

	public void section(String section) {
		// this puts in a separator not in a section.
		this.accepts("__section_" + section);

		this.currentSection = section;
		this.sectionNames.add(section);
	}

	public void printHelpOn(PrintStream err, String section) throws IOException {
		this.helpFormatter.setSection(section);
		super.printHelpOn(err);
	}
}