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}