baeldung-articlesBAEL-553 Intro to Spring Remoting with HTTP Invokers (#1034)

* First test with log4j rolling appenders

* small fix

* Log4j rolling appender

* First set up with rolling file on log4j 2

* Added logback code.

* log4j2 more detailed example

* log4j2 more detailed example

* Improved names and examples

* Fixed configurations

* improved configs

* formatted

* Final fix

* fixed formatting

* Formatting fix

* Fix sample apps to avoid try / catch

* Fix request to replace files

* Fix end lines

* Log4j2 logger is shot down at the end.

* Initial commit, the server starts launched from maven

* made room for client and server projects

* made room for client and server projects

* base example works

* poms restructured

* packages restructured

* packages restructured

* Some renaming and a proper formatting string

* Small renamings

* Small renamings

* Fixed invoked URL in client through fixing bean name

* java.time.* instead of java.util.Date

* java.time.* instead of java.util.Date

* Removed log on file, kepts log on console

* Updated Spring and Logback version to latest release.

* Exception removed from run()

* Code simplification.
- Interfaces and objects simplified.
- Spring Boot instead of plain Spring
- No need for Tomcat plug in anymore.

* Small updates to poms.

* Unused classes removed.

* Unused classes removed.

spring-remoting/remoting-http/server/pom.xml

@@ -8,58 +8,16 @@
         <artifactId>spring-remoting-http</artifactId>
         <version>1.0-SNAPSHOT</version>
     </parent>
-    <packaging>war</packaging>
-
     <artifactId>spring-remoting-http-server</artifactId>
-    <description>Shows how to expose a service using Spring Remoting</description>
-
-    <properties>
-        <tomcat7-maven-plugin.version>2.2</tomcat7-maven-plugin.version>
-    </properties>
-
+    <description>Shows how to expose a service using Spring Remoting HTTP.</description>
     <dependencies>
-
-        <!-- spring -->
-
-        <!-- spring-webmvc is mainly needed to have access to the Spring's DispatcherServler -->
         <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-webmvc</artifactId>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
         </dependency>
-
-        <!-- servlet -->
-        <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>javax.servlet-api</artifactId>
-        </dependency>
-
-        <!-- companion modules -->
         <dependency>
             <groupId>${project.groupId}</groupId>
             <artifactId>api</artifactId>
         </dependency>
-
     </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <artifactId>maven-compiler-plugin</artifactId>
-            </plugin>
-
-            <plugin>
-                <artifactId>maven-war-plugin</artifactId>
-            </plugin>
-
-            <plugin>
-                <groupId>org.apache.tomcat.maven</groupId>
-                <artifactId>tomcat7-maven-plugin</artifactId>
-                <version>${tomcat7-maven-plugin.version}</version>
-                <configuration>
-                    <port>9090</port>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>

spring-remoting/remoting-http/server/src/main/java/com/baeldung/server/CabBookingConfig.java

@@ -1,10 +0,0 @@
-package com.baeldung.server;
-
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-public class CabBookingConfig {
-
-
-
-}

spring-remoting/remoting-http/server/src/main/java/com/baeldung/server/CabBookingInitializer.java

@@ -1,34 +0,0 @@
-package com.baeldung.server;
-
-import org.springframework.web.WebApplicationInitializer;
-import org.springframework.web.context.ContextLoaderListener;
-import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
-import org.springframework.web.servlet.DispatcherServlet;
-
-import javax.servlet.ServletContext;
-import javax.servlet.ServletRegistration;
-
-public class CabBookingInitializer implements WebApplicationInitializer {
-
-    @Override
-    public void onStartup(ServletContext container) {
-        AnnotationConfigWebApplicationContext rootContext =
-                new AnnotationConfigWebApplicationContext();
-        rootContext.register(CabBookingConfig.class);
-
-        // Manage the lifecycle of the root application context
-        container.addListener(new ContextLoaderListener(rootContext));
-
-        // Create the dispatcher servlet's Spring application context
-        AnnotationConfigWebApplicationContext dispatcherContext =
-                new AnnotationConfigWebApplicationContext();
-        dispatcherContext.register(DispatcherConfig.class);
-
-        // Register and map the dispatcher servlet
-        ServletRegistration.Dynamic dispatcher =
-                container.addServlet("dispatcher", new DispatcherServlet(dispatcherContext));
-        dispatcher.setLoadOnStartup(1);
-        dispatcher.addMapping("/*");
-    }
-
-}

spring-remoting/remoting-http/server/src/main/java/com/baeldung/server/CabBookingServiceImpl.java

@@ -1,27 +1,16 @@
 package com.baeldung.server;
 
-import com.baeldung.api.Address;
 import com.baeldung.api.Booking;
 import com.baeldung.api.BookingException;
 import com.baeldung.api.CabBookingService;
 
-import java.time.LocalDateTime;
-
 import static java.lang.Math.random;
-import static java.time.LocalDateTime.now;
-import static java.time.temporal.ChronoUnit.MINUTES;
 import static java.util.UUID.randomUUID;
 
 public class CabBookingServiceImpl implements CabBookingService {
 
-    @Override public Booking bookPickUp(Address pickUpLocation, Address dropOffLocation, int pax) throws BookingException {
-        if (random() < 0.3) {
-            throw new BookingException("Cab unavailable");
-        }
-        int tripTimeInMinutes = (int) (5 + random() * 15);
-        int costInCent = 15_00 + tripTimeInMinutes * 5 * pax;
-        LocalDateTime pickUpDate = now().plus(15L * (long) (random() * 10), MINUTES);
-
-        return new Booking(pickUpLocation, pickUpDate, dropOffLocation, costInCent, tripTimeInMinutes * 60, randomUUID().toString());
+    @Override public Booking bookRide(String pickUpLocation) throws BookingException {
+        if (random() < 0.3) throw new BookingException("Cab unavailable");
+        return new Booking(randomUUID().toString());
     }
 }

spring-remoting/remoting-http/server/src/main/java/com/baeldung/server/Server.java

@@ -1,12 +1,17 @@
 package com.baeldung.server;
 
 import com.baeldung.api.CabBookingService;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.remoting.httpinvoker.HttpInvokerServiceExporter;
 
 @Configuration
-public class DispatcherConfig {
+@ComponentScan
+@EnableAutoConfiguration
+public class Server {
 
     @Bean(name = "/booking") HttpInvokerServiceExporter accountService() {
         HttpInvokerServiceExporter exporter = new HttpInvokerServiceExporter();
@@ -15,4 +20,8 @@ public class DispatcherConfig {
         return exporter;
     }
 
-}
+    public static void main(String[] args) {
+        SpringApplication.run(Server.class, args);
+    }
+
+}

spring-remoting/remoting-http/server/src/main/resources/logback.xml

@@ -1,16 +0,0 @@
-<configuration scan="true" scanPeriod="1 minute">
-
-    <variable
-            name="logPattern"
-            value="%-30(%d{MMM dd YYYY HH:mm:ss.SSS} [%thread]) %-5level %logger{5} [%file:%line] - %msg%n"/>
-
-    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-        <encoder>
-            <pattern>${logPattern}</pattern>
-        </encoder>
-    </appender>
-
-    <root level="DEBUG">
-        <appender-ref ref="STDOUT"/>
-    </root>
-</configuration>