001/* 002 * Copyright 2012-2017 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; 018 019import java.util.Collections; 020import java.util.Set; 021import java.util.stream.Collectors; 022 023import org.springframework.boot.context.properties.source.ConfigurationProperty; 024import org.springframework.boot.context.properties.source.ConfigurationPropertySource; 025 026/** 027 * {@link BindException} thrown when {@link ConfigurationPropertySource} elements were 028 * left unbound. 029 * 030 * @author Phillip Webb 031 * @author Madhura Bhave 032 * @since 2.0.0 033 */ 034public class UnboundConfigurationPropertiesException extends RuntimeException { 035 036 private final Set<ConfigurationProperty> unboundProperties; 037 038 public UnboundConfigurationPropertiesException( 039 Set<ConfigurationProperty> unboundProperties) { 040 super(buildMessage(unboundProperties)); 041 this.unboundProperties = Collections.unmodifiableSet(unboundProperties); 042 } 043 044 public Set<ConfigurationProperty> getUnboundProperties() { 045 return this.unboundProperties; 046 } 047 048 private static String buildMessage(Set<ConfigurationProperty> unboundProperties) { 049 StringBuilder builder = new StringBuilder(); 050 builder.append("The elements ["); 051 String message = unboundProperties.stream().map((p) -> p.getName().toString()) 052 .collect(Collectors.joining(",")); 053 builder.append(message).append("] were left unbound."); 054 return builder.toString(); 055 } 056 057}