Demo Spark Java

AddEmployee.java

package up1.demo.api;

import spark.Request;
import spark.Response;
import spark.Route;
import up1.demo.api.model.Employee;
import up1.demo.api.storage.Storage;

public class AddEmployee implements Route {
    private Storage storage;

    public AddEmployee(Storage storage) {
        this.storage = storage;
    }

    @Override
    public Object handle(Request request, Response response) throws Exception {
        String firstName = request.queryParams("firstname");
        String lastName = request.queryParams("lastname");
        Employee employee = new Employee(firstName, lastName);
        Long employeeId = storage.addEmployee(employee);
        return employeeId;
    }
}

APIServer.java

package up1.demo.api;

import static spark.Spark.get;

public class APIServer {

    public static void main(String[] args) {
        get("/", (req, res) -> "Hello World");
    }

}

APIServer2.java

public class APIServer {

    private static Storage storage = new InMemoryStorage();

    public static void main(String[] args) {
        post("/employee", new AddEmployee(storage) );
        get("/", (req, res) -> "Hello World");
    }

}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>spark-demo</groupId>
    <artifactId>spark-demo</artifactId>
    <version>1.0-SNAPSHOT</version>
    <dependencies>
        <dependency>
            <groupId>com.sparkjava</groupId>
            <artifactId>spark-core</artifactId>
            <version>2.3</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.3</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
            <plugin>
                <artifactId>maven-assembly-plugin</artifactId>
                <configuration>
                    <archive>
                        <manifest>
                            <mainClass>up1.demo.api.APIServer</mainClass>
                        </manifest>
                    </archive>
                    <descriptorRefs>
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                    </descriptorRefs>
                    <finalName>demo_api</finalName>
                    <appendAssemblyId>false</appendAssemblyId>
                </configuration>
                <executions>
                    <execution>
                        <id>make-assembly</id>
                        <phase>package</phase>
                        <goals>
                            <goal>single</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>