/*
 * Copyright 2012-2019 the original author or authors.
 *
 * Licensed 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
 *
 *      https://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
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package org.springframework.boot.context.properties.bind;

import java.util.Collections;
import java.util.Set;
import java.util.stream.Collectors;

import org.springframework.boot.context.properties.source.ConfigurationProperty;
import org.springframework.boot.context.properties.source.ConfigurationPropertySource;

BindException thrown when ConfigurationPropertySource elements were left unbound.
Author:Phillip Webb, Madhura Bhave
Since:2.0.0
/** * {@link BindException} thrown when {@link ConfigurationPropertySource} elements were * left unbound. * * @author Phillip Webb * @author Madhura Bhave * @since 2.0.0 */
public class UnboundConfigurationPropertiesException extends RuntimeException { private final Set<ConfigurationProperty> unboundProperties; public UnboundConfigurationPropertiesException(Set<ConfigurationProperty> unboundProperties) { super(buildMessage(unboundProperties)); this.unboundProperties = Collections.unmodifiableSet(unboundProperties); } public Set<ConfigurationProperty> getUnboundProperties() { return this.unboundProperties; } private static String buildMessage(Set<ConfigurationProperty> unboundProperties) { StringBuilder builder = new StringBuilder(); builder.append("The elements ["); String message = unboundProperties.stream().map((p) -> p.getName().toString()).collect(Collectors.joining(",")); builder.append(message).append("] were left unbound."); return builder.toString(); } }