PropertyUtils.java

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// 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
//
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package org.apache.doris.datasource.property;

import com.google.common.collect.Lists;

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

public class PropertyUtils {

    // Get all fields of a class with annotation @ConnectorProperty
    public static List<Field> getConnectorProperties(Class<?> clazz) {
        List<Field> fields = Lists.newArrayList();
        Class<?> currentClass = clazz;

        while (currentClass != null) {
            for (Field field : currentClass.getDeclaredFields()) {
                field.setAccessible(true);
                if (field.isAnnotationPresent(ConnectorProperty.class)) {
                    ConnectorProperty connectorProperty = field.getAnnotation(ConnectorProperty.class);
                    if (connectorProperty.supported()) {
                        fields.add(field);
                    }
                }
            }
            currentClass = currentClass.getSuperclass();
        }
        return fields;
    }
}