scim-core/src/main/java/org/apache/directory/scim/core/repository/ReflectionUtils.java

/*
* 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.apache.directory.scim.core.repository;

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

final class ReflectionUtils {
  private ReflectionUtils() {
  }

  static List<Field> getFieldsUpTo(Class<?> startClass, Class<?> exclusiveParent) {
    List<Field> currentClassFields = new ArrayList<>();
    Collections.addAll(currentClassFields, startClass.getDeclaredFields());
    Class<?> parentClass = startClass.getSuperclass();
    if (parentClass != null && (!(parentClass.equals(exclusiveParent)))) {
      List<Field> parentClassFields = getFieldsUpTo(parentClass, exclusiveParent);
      currentClassFields.addAll(parentClassFields);
    }
    return currentClassFields;
  }
}