spring FailFastProblemReporter 源码
spring FailFastProblemReporter 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/factory/parsing/FailFastProblemReporter.java
/*
* Copyright 2002-2018 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.beans.factory.parsing;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.lang.Nullable;
/**
* Simple {@link ProblemReporter} implementation that exhibits fail-fast
* behavior when errors are encountered.
*
* <p>The first error encountered results in a {@link BeanDefinitionParsingException}
* being thrown.
*
* <p>Warnings are written to
* {@link #setLogger(org.apache.commons.logging.Log) the log} for this class.
*
* @author Rob Harrop
* @author Juergen Hoeller
* @author Rick Evans
* @since 2.0
*/
public class FailFastProblemReporter implements ProblemReporter {
private Log logger = LogFactory.getLog(getClass());
/**
* Set the {@link Log logger} that is to be used to report warnings.
* <p>If set to {@code null} then a default {@link Log logger} set to
* the name of the instance class will be used.
* @param logger the {@link Log logger} that is to be used to report warnings
*/
public void setLogger(@Nullable Log logger) {
this.logger = (logger != null ? logger : LogFactory.getLog(getClass()));
}
/**
* Throws a {@link BeanDefinitionParsingException} detailing the error
* that has occurred.
* @param problem the source of the error
*/
@Override
public void fatal(Problem problem) {
throw new BeanDefinitionParsingException(problem);
}
/**
* Throws a {@link BeanDefinitionParsingException} detailing the error
* that has occurred.
* @param problem the source of the error
*/
@Override
public void error(Problem problem) {
throw new BeanDefinitionParsingException(problem);
}
/**
* Writes the supplied {@link Problem} to the {@link Log} at {@code WARN} level.
* @param problem the source of the warning
*/
@Override
public void warning(Problem problem) {
logger.warn(problem, problem.getRootCause());
}
}
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