001/*
002 * Copyright 2012-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.context.properties;
018
019import org.springframework.boot.context.properties.bind.AbstractBindHandler;
020import org.springframework.boot.context.properties.bind.BindHandler;
021
022/**
023 * Allows additional functionality to be applied to the {@link BindHandler} used by the
024 * {@link ConfigurationPropertiesBindingPostProcessor}.
025 *
026 * @author Phillip Webb
027 * @since 2.1.0
028 * @see AbstractBindHandler
029 */
030@FunctionalInterface
031public interface ConfigurationPropertiesBindHandlerAdvisor {
032
033        /**
034         * Apply additional functionality to the source bind handler.
035         * @param bindHandler the source bind handler
036         * @return a replacement bind handler that delegates to the source and provides
037         * additional functionality
038         */
039        BindHandler apply(BindHandler bindHandler);
040
041}