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/*
 * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
 * For more information, please, contact [email protected]
 * or visit http://se.solovyev.org
 */

package org.solovyev.common.text;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.common.interval.Interval;

import java.util.Arrays;
import java.util.List;

/**
 * User: serso
 * Date: 9/21/11
 * Time: 12:02 AM
 */
public abstract class AbstractIntervalMapper> implements Mapper> {

	@Override
	public String formatValue(@Nullable Interval interval) throws IllegalArgumentException {
		if (interval != null) {
			return CollectionTransformations.formatValue(Arrays.asList(interval.getLeftLimit(), interval.getRightLimit()), ";", getFormatter());
		} else {
			return null;
		}
	}

	@NotNull
	protected abstract Formatter getFormatter();

	@Override
	public Interval parseValue(@Nullable String s) throws IllegalArgumentException {
		//Log.d(AbstractIntervalMapper.class.getName(), "Parsing: " + s);
		final List list = CollectionTransformations.split(s, ";", getParser());

		assert list.size() == 2;
		return newInstance(list.get(0), list.get(1));
	}

	@NotNull
	protected abstract Interval newInstance(@Nullable T left, @Nullable T right);

	@NotNull
	protected abstract Parser getParser();
}