/*
 * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
 * <p>
 * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.gnu.org/licenses/lgpl.html
 * <p>
 * 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 top.continew.starter.cache.redisson.handler;

import cn.hutool.core.text.CharSequenceUtil;
import org.redisson.api.NameMapper;

/**
 * 缓存名称映射处理器
 *
 * @author Charles7c
 * @since 2.11.0
 */
public class NameMapperHandler implements NameMapper {

    private final String keyPrefix;

    public NameMapperHandler(String keyPrefix) {
        this.keyPrefix = keyPrefix;
    }

    @Override
    public String map(String name) {
        if (CharSequenceUtil.isNotBlank(name) && !name.startsWith(keyPrefix)) {
            return keyPrefix + name;
        }
        return name;
    }

    @Override
    public String unmap(String name) {
        if (CharSequenceUtil.isNotBlank(name) && name.startsWith(keyPrefix)) {
            return name.substring(keyPrefix.length());
        }
        return name;
    }
}
