com.kazuki43zoo.apistub.domain.model.KeyGeneratingStrategy.java Source code

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/*
 *    Copyright 2016-2018 the original author or authors.
 *
 *    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 com.kazuki43zoo.apistub.domain.model;

import org.apache.commons.lang3.StringUtils;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public enum KeyGeneratingStrategy {

    ALL {
        @Override

        public String generate(List<Object> keys) {
            if (keys == null || keys.isEmpty()) {
                return null;
            }
            return join(keys);
        }
    };

    public static final String KEY_DELIMITER = "/";

    public static List<String> split(String keys) {
        return Arrays.asList(StringUtils.splitByWholeSeparatorPreserveAllTokens(keys, KEY_DELIMITER));
    }

    public static <T> String join(List<T> keys) {
        return keys.stream().map(e -> e == null ? "" : e.toString()).collect(Collectors.joining(KEY_DELIMITER));
    }

    public abstract String generate(List<Object> values);

}