Tick.java

package glug.gui.timebar;

import org.joda.time.DateTime;
import org.joda.time.DateTimeFieldType;
import org.joda.time.DateTimeZone;
import org.joda.time.format.DateTimeFormatter;

public class Tick {

	private final TickInterval tickInterval;
	private final DateTimeFormatter dateTimeFormatter;

	private Tick(TickInterval tickInterval, DateTimeFormatter dateTimeFormatter) {
		this.tickInterval = tickInterval;
		this.dateTimeFormatter = dateTimeFormatter;
	}
	
	public static Tick tick(int value, DateTimeFieldType dateTimeFieldType, DateTimeFormatter dateTimeFormatter) {
		return new Tick(new TickInterval(value, dateTimeFieldType), dateTimeFormatter);
	}

	public TickInterval getInterval() {
		return tickInterval;
	}

	public String format(DateTime tickDateTime) {
		return tickDateTime.toString(dateTimeFormatter);
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((tickInterval == null) ? 0 : tickInterval.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Tick other = (Tick) obj;
		if (tickInterval == null) {
			if (other.tickInterval != null)
				return false;
		} else if (!tickInterval.equals(other.tickInterval))
			return false;
		return true;
	}

	public Tick with(DateTimeZone dateTimeZone) {
		return new Tick(tickInterval,dateTimeFormatter.withZone(dateTimeZone));
	}
	
}