org.springframework.boot.devtools.RemoteSpringApplication Maven / Gradle / Ivy
/*
* 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.devtools;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.springframework.boot.Banner;
import org.springframework.boot.ResourceBanner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.WebApplicationType;
import org.springframework.boot.context.config.AnsiOutputApplicationListener;
import org.springframework.boot.context.config.ConfigDataEnvironmentPostProcessor;
import org.springframework.boot.context.logging.LoggingApplicationListener;
import org.springframework.boot.devtools.remote.client.RemoteClientConfiguration;
import org.springframework.boot.devtools.restart.RestartInitializer;
import org.springframework.boot.devtools.restart.RestartScopeInitializer;
import org.springframework.boot.devtools.restart.Restarter;
import org.springframework.boot.env.EnvironmentPostProcessorApplicationListener;
import org.springframework.boot.env.EnvironmentPostProcessorsFactory;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.ApplicationListener;
import org.springframework.core.io.ClassPathResource;
/**
* Application that can be used to establish a link to remotely running Spring Boot code.
* Allows remote updates (if enabled). This class should be launched from within your IDE
* and should have the same classpath configuration as the locally developed application.
* The remote URL of the application should be provided as a non-option argument.
*
* @author Phillip Webb
* @since 1.3.0
* @see RemoteClientConfiguration
*/
public final class RemoteSpringApplication {
private RemoteSpringApplication() {
}
private void run(String[] args) {
Restarter.initialize(args, RestartInitializer.NONE);
SpringApplication application = new SpringApplication(RemoteClientConfiguration.class);
application.setWebApplicationType(WebApplicationType.NONE);
application.setBanner(getBanner());
application.setInitializers(getInitializers());
application.setListeners(getListeners());
application.run(args);
waitIndefinitely();
}
private Collection> getInitializers() {
List> initializers = new ArrayList<>();
initializers.add(new RestartScopeInitializer());
return initializers;
}
private Collection> getListeners() {
List> listeners = new ArrayList<>();
listeners.add(new AnsiOutputApplicationListener());
listeners.add(new EnvironmentPostProcessorApplicationListener(
EnvironmentPostProcessorsFactory.of(ConfigDataEnvironmentPostProcessor.class)));
listeners.add(new LoggingApplicationListener());
listeners.add(new RemoteUrlPropertyExtractor());
return listeners;
}
private Banner getBanner() {
ClassPathResource banner = new ClassPathResource("remote-banner.txt", RemoteSpringApplication.class);
return new ResourceBanner(banner);
}
private void waitIndefinitely() {
while (true) {
try {
Thread.sleep(1000);
}
catch (InterruptedException ex) {
Thread.currentThread().interrupt();
}
}
}
/**
* Run the {@link RemoteSpringApplication}.
* @param args the program arguments (including the remote URL as a non-option
* argument)
*/
public static void main(String[] args) {
new RemoteSpringApplication().run(args);
}
}