style: goolge java style formatting

pom.xml

@@ -232,6 +232,48 @@
 					</execution>
 				</executions>
 			</plugin>
+			<plugin>
+				<groupId>com.diffplug.spotless</groupId>
+				<artifactId>spotless-maven-plugin</artifactId>
+				<version>2.43.0</version>
+				<configuration>
+					<!-- define a language-specific format -->
+					<java>
+						<removeUnusedImports>
+							<engine>google-java-format</engine>
+						</removeUnusedImports>
+
+						<!-- apply a specific flavor of google-java-format and reflow long strings -->
+						<googleJavaFormat>
+							<version>1.19.2</version>
+							<style>GOOGLE</style>
+							<reflowLongStrings>true</reflowLongStrings>
+							<formatJavadoc>false</formatJavadoc>
+						</googleJavaFormat>
+						<formatAnnotations></formatAnnotations>
+					</java>
+					<pom>
+						<!-- These are the defaults, you can override if you want -->
+						<includes>
+							<include>pom.xml</include>
+						</includes>
+						<sortPom>
+							<!--  value of -1 indicates that a tab character should be used instead -->
+							<nrOfIndentSpace>-1</nrOfIndentSpace>
+						</sortPom>
+					</pom>
+				</configuration>
+				<executions>
+					<execution>
+						<?m2e ignore?>
+						<id>spotless-check</id>
+						<goals>
+							<goal>check</goal>
+						</goals>
+						<phase>verify</phase>
+					</execution>
+				</executions>
+			</plugin>
 			<plugin>
 				<groupId>org.eclipse.m2e</groupId>
 				<artifactId>lifecycle-mapping</artifactId>