/*
 * 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.nifi.vault.hashicorp.config.lookup;

import java.beans.PropertyDescriptor;

/**
 * Provides a method of looking up property values.
 */
public abstract class PropertyLookup {

    private final PropertyDescriptor propertyDescriptor;

    protected PropertyLookup(final PropertyDescriptor propertyDescriptor) {
        this.propertyDescriptor = propertyDescriptor;
    }

    /**
     * Returns the value of a property.
     * @param propertyKey The property key (e.g., object.child.propertyValue)
     * @param obj The object from which to retrieve the property.
     * @return The property value
     */
    public abstract Object getPropertyValue(final String propertyKey, final Object obj);

    /**
     * Returns the enclosing object of the property.
     * @param obj The top level object
     * @return The appropriate object that contains the property
     */
    public abstract Object getEnclosingObject(final Object obj);

    protected PropertyDescriptor getPropertyDescriptor() {
        return propertyDescriptor;
    }
}
