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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.dinky.shaded.paimon.utils;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/** This is a util class for converting string parameter to another format. */
public class ParameterUtils {

    public static List> getPartitions(String... partitionStrings) {
        List> partitions = new ArrayList<>();
        for (String partition : partitionStrings) {
            partitions.add(parseCommaSeparatedKeyValues(partition));
        }
        return partitions;
    }

    public static Map parseCommaSeparatedKeyValues(String keyValues) {
        Map kvs = new HashMap<>();
        if (!StringUtils.isBlank(keyValues)) {
            for (String kvString : keyValues.split(",")) {
                parseKeyValueString(kvs, kvString);
            }
        }
        return kvs;
    }

    public static void parseKeyValueString(Map map, String kvString) {
        String[] kv = kvString.split("=", 2);
        if (kv.length != 2) {
            throw new IllegalArgumentException(
                    String.format(
                            "Invalid key-value string '%s'. Please use format 'key=value'",
                            kvString));
        }
        map.put(kv[0].trim(), kv[1].trim());
    }
}