application registry

pom.xml

@@ -4,4 +4,55 @@
 	<groupId>de.codecentric</groupId>
 	<artifactId>spring-boot-admin</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
+	<properties>
+		<spring-boot.version>1.0.2.RELEASE</spring-boot.version>
+		<spring.version>4.0.3.RELEASE</spring.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+			<version>${spring-boot.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.core</groupId>
+			<artifactId>jackson-databind</artifactId>
+			<version>2.3.3</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-lang3</artifactId>
+			<version>3.3.2</version>
+		</dependency>
+	</dependencies>
+	<build>
+		<finalName>${project.artifactId}</finalName>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.1</version>
+				<configuration>
+					<source>1.7</source>
+					<target>1.7</target>
+					<encoding>utf8</encoding>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+				<version>${spring-boot.version}</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>repackage</goal>
+						</goals>
+					</execution>
+				</executions>
+				<configuration>
+					<mainClass>de.codecentric.SpringBootAdmin</mainClass>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
 </project>
\ No newline at end of file

src/main/java/de/codecentric/SpringBootAdmin.java

+package de.codecentric;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@EnableAutoConfiguration
+@ComponentScan
+public class SpringBootAdmin {
+
+	public static void main(String[] args) {
+		SpringApplication.run(SpringBootAdmin.class, args);
+	}
+
+}

src/main/java/de/codecentric/config/WebappConfig.java

+package de.codecentric.config;
+
+import java.util.List;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+
+@Configuration
+public class WebappConfig extends WebMvcConfigurerAdapter {
+
+	@Override
+	public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+		converters.add(new MappingJackson2HttpMessageConverter());
+	}
+
+}

src/main/java/de/codecentric/controller/RegistryController.java

+package de.codecentric.controller;
+
+import java.util.List;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import de.codecentric.model.Application;
+import de.codecentric.service.ApplicationRegistry;
+
+@Controller
+public class RegistryController {
+
+	@Autowired
+	private ApplicationRegistry registry;
+
+	@RequestMapping(value = "/api/applications", method = RequestMethod.POST)
+	@ResponseBody
+	public void register(@RequestBody Application app) {
+		System.out.println("register " + app);
+		registry.register(app);
+	}
+
+	@RequestMapping(value = "/api/applications", method = RequestMethod.GET)
+	@ResponseBody
+	public List<Application> applications() {
+		System.out.println("get all");
+		return registry.getApplications();
+	}
+
+}

src/main/java/de/codecentric/model/Application.java

+package de.codecentric.model;
+
+import java.io.Serializable;
+
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+public class Application implements Serializable {
+
+	private static final long serialVersionUID = 1L;
+
+	private String id;
+
+	private String url;
+
+	public String getId() {
+		return id;
+	}
+
+	public void setId(String id) {
+		this.id = id;
+	}
+
+	public String getUrl() {
+		return url;
+	}
+
+	public void setUrl(String url) {
+		this.url = url;
+	}
+
+	@Override
+	public String toString() {
+		return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
+	}
+
+}

src/main/java/de/codecentric/service/ApplicationRegistry.java

+package de.codecentric.service;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.commons.lang3.Validate;
+import org.springframework.stereotype.Service;
+
+import de.codecentric.model.Application;
+
+@Service
+public class ApplicationRegistry {
+
+	private final List<Application> registry = new ArrayList<>();
+
+	public void register(Application app) {
+		Validate.notNull(app, "Application must not be null");
+		Validate.notNull(app.getId(), "Application ID must not be null");
+		Validate.notNull(app.getUrl(), "Application URL must not be null");
+		registry.add(app);
+	}
+
+	public List<Application> getApplications() {
+		return Collections.unmodifiableList(registry);
+	}
+
+}