refactor: FileSystemWatcher bean configuration

Author: itsAkshayDubey

spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/autoconfigure/DevToolsProperties.java

@@ -204,6 +204,17 @@ public static class Livereload {
 		 */
 		private List<File> additionalPaths = new ArrayList<>();
 
+		/**
+		 * Amount of time to wait between polling for classpath changes.
+		 */
+		private Duration pollInterval = Duration.ofSeconds(1);
+
+		/**
+		 * Amount of quiet time required without any classpath changes before a reload is
+		 * triggered.
+		 */
+		private Duration quietPeriod = Duration.ofMillis(400);
+
 		public boolean isEnabled() {
 			return this.enabled;
 		}
@@ -228,6 +239,22 @@ public void setAdditionalPaths(List<File> additionalPaths) {
 			this.additionalPaths = additionalPaths;
 		}
 
+		public Duration getPollInterval() {
+			return this.pollInterval;
+		}
+
+		public void setPollInterval(Duration pollInterval) {
+			this.pollInterval = pollInterval;
+		}
+
+		public Duration getQuietPeriod() {
+			return this.quietPeriod;
+		}
+
+		public void setQuietPeriod(Duration quietPeriod) {
+			this.quietPeriod = quietPeriod;
+		}
+
 	}
 
 }

spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/autoconfigure/LocalDevToolsAutoConfiguration.java

@@ -26,6 +26,7 @@
 import org.springframework.beans.factory.DisposableBean;
 import org.springframework.boot.autoconfigure.AutoConfiguration;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
@@ -99,7 +100,14 @@ LiveReloadForAdditionalPaths liveReloadForAdditionalPaths(LiveReloadServer liveR
 		}
 
 		@Bean
-		FileSystemWatcher fileSystemWatcher(DevToolsProperties properties, RestartConfiguration restartConfiguration) {
+		@ConditionalOnMissingBean(RestartConfiguration.class)
+		FileSystemWatcher newFileSystemWatcher(DevToolsProperties properties) {
+			return new FileSystemWatcher(true, properties.getLivereload().getPollInterval(), properties.getLivereload().getQuietPeriod());
+		}
+
+		@Bean
+		@ConditionalOnBean(RestartConfiguration.class)
+		FileSystemWatcher fileSystemWatcher(RestartConfiguration restartConfiguration) {
 			return restartConfiguration.newFileSystemWatcher();
 		}