spring ConfigDataNotFoundFailureAnalyzer 源码
springboot ConfigDataNotFoundFailureAnalyzer 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/config/ConfigDataNotFoundFailureAnalyzer.java
/*
* Copyright 2012-2022 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
* limitations under the License.
*/
package org.springframework.boot.context.config;
import org.springframework.boot.diagnostics.AbstractFailureAnalyzer;
import org.springframework.boot.diagnostics.FailureAnalysis;
import org.springframework.boot.origin.Origin;
/**
* An implementation of {@link AbstractFailureAnalyzer} to analyze failures caused by
* {@link ConfigDataNotFoundException}.
*
* @author Michal Mlak
* @author Phillip Webb
*/
class ConfigDataNotFoundFailureAnalyzer extends AbstractFailureAnalyzer<ConfigDataNotFoundException> {
@Override
protected FailureAnalysis analyze(Throwable rootFailure, ConfigDataNotFoundException cause) {
ConfigDataLocation location = getLocation(cause);
Origin origin = Origin.from(location);
String message = String.format("Config data %s does not exist", cause.getReferenceDescription());
StringBuilder action = new StringBuilder("Check that the value ");
if (location != null) {
action.append(String.format("'%s' ", location));
}
if (origin != null) {
action.append(String.format("at %s ", origin));
}
action.append("is correct");
if (location != null && !location.isOptional()) {
action.append(String.format(", or prefix it with '%s'", ConfigDataLocation.OPTIONAL_PREFIX));
}
return new FailureAnalysis(message, action.toString(), cause);
}
private ConfigDataLocation getLocation(ConfigDataNotFoundException cause) {
if (cause instanceof ConfigDataLocationNotFoundException locationNotFoundException) {
return locationNotFoundException.getLocation();
}
if (cause instanceof ConfigDataResourceNotFoundException resourceNotFoundException) {
return resourceNotFoundException.getLocation();
}
return null;
}
}
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- 本文标签： Spring Boot Spring Java
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