/*
 * Copyright (c) 2013-2025 Hutool Team and hutool.cn
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.hutool.v7.core.convert.impl;

import cn.hutool.v7.core.convert.AbstractConverter;
import cn.hutool.v7.core.util.BooleanUtil;
import cn.hutool.v7.core.text.StrUtil;

import java.io.Serial;

/**
 * 字符转换器
 *
 * @author Looly
 *
 */
public class CharacterConverter extends AbstractConverter {
	@Serial
	private static final long serialVersionUID = 1L;

	/**
	 * 单例
	 */
	public static final CharacterConverter INSTANCE = new CharacterConverter();

	@Override
	protected Character convertInternal(final Class<?> targetClass, final Object value) {
		if (value instanceof Boolean) {
			return BooleanUtil.toCharacter((Boolean) value);
		} else {
			final String valueStr = convertToStr(value);
			if (StrUtil.isNotBlank(valueStr)) {
				return valueStr.charAt(0);
			}
		}
		return null;
	}

}
