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Improve logging of changes that trigger a DevTools upload or restart
Closes gh-31579
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parent
9a2ad6d42d
commit
348b2c28e9
@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2020 the original author or authors.
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* Copyright 2012-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -20,6 +20,9 @@ import java.io.File;
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import java.net.URL;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
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@ -44,6 +47,7 @@ import org.springframework.context.annotation.Lazy;
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import org.springframework.context.event.ContextRefreshedEvent;
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import org.springframework.context.event.GenericApplicationListener;
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import org.springframework.core.ResolvableType;
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import org.springframework.core.log.LogMessage;
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import org.springframework.util.StringUtils;
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/**
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@ -101,13 +105,9 @@ public class LocalDevToolsAutoConfiguration {
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}
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@Bean
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ApplicationListener<ClassPathChangedEvent> restartingClassPathChangedEventListener(
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RestartingClassPathChangeChangedEventListener restartingClassPathChangedEventListener(
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FileSystemWatcherFactory fileSystemWatcherFactory) {
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return (event) -> {
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if (event.isRestartRequired()) {
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Restarter.getInstance().restart(new FileWatchingFailureHandler(fileSystemWatcherFactory));
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}
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};
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return new RestartingClassPathChangeChangedEventListener(fileSystemWatcherFactory);
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}
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@Bean
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@ -194,4 +194,24 @@ public class LocalDevToolsAutoConfiguration {
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}
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static class RestartingClassPathChangeChangedEventListener implements ApplicationListener<ClassPathChangedEvent> {
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private static final Log logger = LogFactory.getLog(RestartingClassPathChangeChangedEventListener.class);
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private final FileSystemWatcherFactory fileSystemWatcherFactory;
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RestartingClassPathChangeChangedEventListener(FileSystemWatcherFactory fileSystemWatcherFactory) {
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this.fileSystemWatcherFactory = fileSystemWatcherFactory;
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}
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@Override
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public void onApplicationEvent(ClassPathChangedEvent event) {
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if (event.isRestartRequired()) {
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logger.info(LogMessage.format("Restarting due to %s", event.overview()));
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Restarter.getInstance().restart(new FileWatchingFailureHandler(this.fileSystemWatcherFactory));
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}
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}
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}
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2021 the original author or authors.
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* Copyright 2012-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -18,6 +18,8 @@ package org.springframework.boot.devtools.classpath;
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import java.util.Set;
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import org.springframework.boot.devtools.filewatch.ChangedFile;
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import org.springframework.boot.devtools.filewatch.ChangedFile.Type;
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import org.springframework.boot.devtools.filewatch.ChangedFiles;
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import org.springframework.context.ApplicationEvent;
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import org.springframework.core.style.ToStringCreator;
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@ -71,4 +73,37 @@ public class ClassPathChangedEvent extends ApplicationEvent {
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.append("restartRequired", this.restartRequired).toString();
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}
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/**
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* Return an overview of the changes that triggered this event.
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* @return an overview of the changes
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* @since 2.6.11
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*/
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public String overview() {
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int added = 0;
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int deleted = 0;
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int modified = 0;
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for (ChangedFiles changedFiles : this.changeSet) {
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for (ChangedFile changedFile : changedFiles) {
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Type type = changedFile.getType();
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if (type == Type.ADD) {
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added++;
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}
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else if (type == Type.DELETE) {
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deleted++;
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}
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else if (type == Type.MODIFY) {
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modified++;
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}
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}
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}
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int size = added + deleted + modified;
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return String.format("%s (%s, %s, %s)", quantityOfUnit(size, "class path change"),
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quantityOfUnit(added, "addition"), quantityOfUnit(deleted, "deletion"),
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quantityOfUnit(modified, "modification"));
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}
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private String quantityOfUnit(int quantity, String unit) {
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return quantity + " " + ((quantity != 1) ? unit + "s" : unit);
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}
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}
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@ -1,5 +1,5 @@
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/*
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* Copyright 2012-2020 the original author or authors.
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* Copyright 2012-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@ -91,14 +91,15 @@ public class ClassPathChangeUploader implements ApplicationListener<ClassPathCha
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try {
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ClassLoaderFiles classLoaderFiles = getClassLoaderFiles(event);
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byte[] bytes = serialize(classLoaderFiles);
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performUpload(classLoaderFiles, bytes);
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performUpload(classLoaderFiles, bytes, event);
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}
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catch (IOException ex) {
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throw new IllegalStateException(ex);
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}
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}
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private void performUpload(ClassLoaderFiles classLoaderFiles, byte[] bytes) throws IOException {
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private void performUpload(ClassLoaderFiles classLoaderFiles, byte[] bytes, ClassPathChangedEvent event)
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throws IOException {
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try {
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while (true) {
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try {
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@ -107,11 +108,11 @@ public class ClassPathChangeUploader implements ApplicationListener<ClassPathCha
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headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
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headers.setContentLength(bytes.length);
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FileCopyUtils.copy(bytes, request.getBody());
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logUpload(event);
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ClientHttpResponse response = request.execute();
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HttpStatus statusCode = response.getStatusCode();
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Assert.state(statusCode == HttpStatus.OK,
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() -> "Unexpected " + statusCode + " response uploading class files");
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logUpload(classLoaderFiles);
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return;
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}
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catch (SocketException ex) {
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@ -128,9 +129,8 @@ public class ClassPathChangeUploader implements ApplicationListener<ClassPathCha
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}
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}
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private void logUpload(ClassLoaderFiles classLoaderFiles) {
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int size = classLoaderFiles.size();
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logger.info(LogMessage.format("Uploaded %s class %s", size, (size != 1) ? "resources" : "resource"));
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private void logUpload(ClassPathChangedEvent event) {
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logger.info(LogMessage.format("Uploading %s", event.overview()));
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}
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private byte[] serialize(ClassLoaderFiles classLoaderFiles) throws IOException {
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