<repositories>
    <repository>
        <id>ossrh</id>
        <url>https://oss.sonatype.org/content/repositories/snapshots</url>
        <snapshots>
            <enabled>true</enabled>
            <updatePolicy>always</updatePolicy>
        </snapshots>
    </repository>
</repositories>
<dependency>
    <groupId>de.crunc</groupId>
    <artifactId>jackson-datatype-vertx</artifactId>
    <version>2.1-SNAPSHOT</version>
</dependency>

ObjectMapper mapper = new ObjectMapper();
ObjectMarshaller marshaller = new ObjectMarshaller(mapper);
SamplePojo pojo = new SamplePojo("Foobar");
JsonObject json = marshaller.marshall(pojo);

ObjectMapper mapper = new ObjectMapper();
ObjectMarshaller marshaller = new ObjectMarshaller(mapper);
JsonObject json = new JsonObject();
json.putString("message", "Hello pojo");
SamplePojo pojo = marshaller.unmarshall(json, SamplePojo.class);

ObjectMapper mapper = new ObjectMapper();
om.registerModule(new VertxJsonModule());
String jsonObject = mapper.writeValueAsString(new JsonObject());
String jsonArray = mapper.writeValueAsString(new JsonArray());

ObjectMapper mapper = new ObjectMapper();
om.registerModule(new VertxJsonModule());
JsonObject object = mapper.readValue("{}", JsonObject.class);
JsonArray object = mapper.readValue("[]", JsonArray.class);