net.croz.nrich.search.util.FieldExtractionUtil Maven / Gradle / Ivy

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Provides an easy way of querying of JPA entities through automatic query creation from passed in data (either strings or classes that hold restriction values)

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/*
 * Copyright 2020-2023 CROZ d.o.o, 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
 *
 *      https://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 net.croz.nrich.search.util;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

public final class FieldExtractionUtil {

    private FieldExtractionUtil() {
    }

    public static List getAllFields(Class type) {
        List fieldList = new ArrayList<>();
        Class currentType = type;

        while (currentType.getSuperclass() != null) {
            fieldList.addAll(List.of(currentType.getDeclaredFields()));
            currentType = currentType.getSuperclass();
        }

        return fieldList;
    }
}