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/**
 * Copyright © 2016 Mathias Kowalzik ([email protected])
 *
 * 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 org.leandreck.endpoints.processor.model;

import java.util.Arrays;
import java.util.Objects;

/**
 * A class with minimal string utilities.
 */
public class StringUtil {

    /**
     * Returns the first defined value from the list of items, or
     * null if no value is defined.
     * @param items list of values
     * @return first found value
     */
    public static String definedValue(String... items) {

        return Arrays.stream(items)
                .filter(Objects::nonNull)
                .filter(it -> !it.isEmpty())
                .findFirst()
                .orElse(null);
    }


    /**
     * No Instances of this utility class.
     */
    private StringUtil() {
    }
}