io.github.mivek.command.metar.AltimeterMecuryCommand Maven / Gradle / Ivy

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package io.github.mivek.command.metar;

import io.github.mivek.model.Metar;
import io.github.mivek.utils.Converter;
import io.github.mivek.utils.Regex;

import java.util.regex.Pattern;

/**
 * @author mivek
 */
public final class AltimeterMecuryCommand implements Command {

    /** Pattern for the altimeter in inches of mercury. */
    private static final Pattern ALTIMETER_MERCURY_REGEX = Pattern.compile("^A(\\d{4})$");

    @Override public void execute(final Metar pMetar, final String pPart) {
        String[] matches = Regex.pregMatch(ALTIMETER_MERCURY_REGEX, pPart);
        double mercury = Double.parseDouble(matches[1]) / 100;
        pMetar.setAltimeter((int) Converter.inchesMercuryToHPascal(mercury));
    }

    @Override public boolean canParse(final String pInput) {
        return Regex.find(ALTIMETER_MERCURY_REGEX, pInput);
    }
}