spring AnsiOutputApplicationListener 源码
springboot AnsiOutputApplicationListener 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/config/AnsiOutputApplicationListener.java
/*
* Copyright 2012-2020 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.ansi.AnsiOutput;
import org.springframework.boot.ansi.AnsiOutput.Enabled;
import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.boot.env.EnvironmentPostProcessorApplicationListener;
import org.springframework.context.ApplicationListener;
import org.springframework.core.Ordered;
import org.springframework.core.env.ConfigurableEnvironment;
/**
* An {@link ApplicationListener} that configures {@link AnsiOutput} depending on the
* value of the property {@code spring.output.ansi.enabled}. See {@link Enabled} for valid
* values.
*
* @author Raphael von der Grün
* @author Madhura Bhave
* @since 1.2.0
*/
public class AnsiOutputApplicationListener
implements ApplicationListener<ApplicationEnvironmentPreparedEvent>, Ordered {
@Override
public void onApplicationEvent(ApplicationEnvironmentPreparedEvent event) {
ConfigurableEnvironment environment = event.getEnvironment();
Binder.get(environment).bind("spring.output.ansi.enabled", AnsiOutput.Enabled.class)
.ifBound(AnsiOutput::setEnabled);
AnsiOutput.setConsoleAvailable(environment.getProperty("spring.output.ansi.console-available", Boolean.class));
}
@Override
public int getOrder() {
// Apply after EnvironmentPostProcessorApplicationListener
return EnvironmentPostProcessorApplicationListener.DEFAULT_ORDER + 1;
}
}
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- 本文标签： Spring Boot Java Spring
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