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.bind.handler; 018 019import org.springframework.boot.context.properties.bind.AbstractBindHandler; 020import org.springframework.boot.context.properties.bind.BindContext; 021import org.springframework.boot.context.properties.bind.BindHandler; 022import org.springframework.boot.context.properties.bind.Bindable; 023import org.springframework.boot.context.properties.source.ConfigurationPropertyName; 024 025/** 026 * {@link BindHandler} that can be used to ignore binding errors. 027 * 028 * @author Phillip Webb 029 * @author Madhura Bhave 030 * @since 2.0.0 031 */ 032public class IgnoreErrorsBindHandler extends AbstractBindHandler { 033 034 public IgnoreErrorsBindHandler() { 035 } 036 037 public IgnoreErrorsBindHandler(BindHandler parent) { 038 super(parent); 039 } 040 041 @Override 042 public Object onFailure(ConfigurationPropertyName name, Bindable<?> target, 043 BindContext context, Exception error) throws Exception { 044 return (target.getValue() != null) ? target.getValue().get() : null; 045 } 046 047}