Example of maven to download and invoke swagger codegen

pom.xml

<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/maven-v4_0_0.xsd">
 <modelVersion>4.0.0</modelVersion>
 <groupId>com.example</groupId>
 <artifactId>my-project</artifactId>
 <version>1.0-SNAPSHOT</version>
 
 <dependencies>
   <dependency>
     <groupId>io.swagger</groupId>
     <artifactId>swagger-codegen-cli</artifactId>
     <version>2.4.4</version>
   </dependency>
 </dependencies>

 <build>
   <plugins>
     <plugin>
       <groupId>org.codehaus.mojo</groupId>
       <artifactId>exec-maven-plugin</artifactId>
       <version>1.6.0</version>
       <executions>
         <execution>
           <phase>generate-sources</phase>
           <goals>
             <goal>java</goal>
           </goals>
           <configuration>
             <mainClass>io.swagger.codegen.SwaggerCodegen</mainClass>
             <additionalClasspathElements>
               <additionalClasspathElement>${basedir}</additionalClasspathElement>
             </additionalClasspathElements>
             <arguments>
               <argument>generate</argument>
               <argument>--config</argument>
               <argument>swagger-config.json</argument>
               <argument>--input-spec</argument>
               <argument>swagger.yaml</argument>
               <argument>--lang</argument>
               <argument>typescript-fetch</argument>
               <argument>--output</argument>
               <argument>src/api-client</argument>
             </arguments>
           </configuration>
         </execution>
       </executions>
     </plugin>
   </plugins>
 </build>
</project>