REST Tomcat + Jersey

ApplicationConfig.java

package org.hello.tomcat;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import javax.ws.rs.ApplicationPath;
import javax.ws.rs.core.Application;

@ApplicationPath("/api")
public class ApplicationConfig extends Application {
	
	@Override
    public Set<Class<?>> getClasses() {
        
        Set<Class<?>> resources = new java.util.HashSet<Class<?>>();
        
        resources.add(org.glassfish.jersey.jackson.JacksonFeature.class);
        resources.add(org.hello.tomcat.JsonContextResolver.class);
        
        return resources;
    }
    
    @Override
    public Set<Object> getSingletons() {
        return Collections.emptySet();
    }
    
    @Override
    public Map<String, Object> getProperties() {
        Map<String, Object> properties = new HashMap<String, Object>();
        properties.put("jersey.config.server.wadl.disableWadl", true);
        properties.put("jersey.config.server.provider.packages", "org.hello.tomcat.api");
        
        
        return properties;
    }    
}

Company.java

package org.hello.tomcat.models;

public class Company {
	private String symbol;
	private String name;
	private String marketCap;
	private String ipoYr;
	private String sector;
	private String industry;
	private String summary;
	
	public static Company create() {
		return new Company();
	}
	
	public String getSymbol() {
		return symbol;
	}
	public Company setSymbol(String symbol) {
		this.symbol = symbol;
		return this;
	}
	public String getName() {
		return name;
	}
	public Company setName(String name) {
		this.name = name;
		return this;
	}
	public String getMarketCap() {
		return marketCap;
	}
	public Company setMarketCap(String marketCap) {
		this.marketCap = marketCap;
		return this;
	}
	public String getIpoYr() {
		return ipoYr;
	}
	public Company setIpoYr(String ipoYr) {
		this.ipoYr = ipoYr;
		return this;
	}
	public String getSector() {
		return sector;
	}
	public Company setSector(String sector) {
		this.sector = sector;
		return this;
	}
	public String getIndustry() {
		return industry;
	}
	public Company setIndustry(String industry) {
		this.industry = industry;
		return this;
	}
	public String getSummary() {
		return summary;
	}
	public Company setSummary(String summary) {
		this.summary = summary;
		return this;
	}
	
}

CompanyRequest.java

package org.hello.tomcat.api;

import java.sql.ResultSet;
import java.util.List;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;

import org.hello.tomcat.data.Database;
import org.hello.tomcat.data.Factory;
import org.hello.tomcat.models.Company;

@Path("/company")
public class CompanyRequest {
	
	@Path("/all")
	@GET
	@Produces(MediaType.APPLICATION_JSON)
	public List<Company> getAll() throws Exception {
		Database db = Database.create("jdbc:mysql://localhost/hellodb?user=root&password=P@ssw0rd").connect();
		List<Company> list = db.query("select symbol, name, market_cap, ipo_year, sector, industry, summary from company", 
				new Factory<Company>() {
					public Company create(ResultSet rs) throws Exception {
						return Company.create()
								.setSymbol(rs.getString("symbol"))
								.setName(rs.getString("name"))
								.setMarketCap(rs.getString("market_cap"))
								.setIpoYr(rs.getString("ipo_year"))
								.setSector(rs.getString("sector"))
								.setIndustry(rs.getString("industry"))
								.setSummary(rs.getString("summary"));
					}
				});
		return list;
	}
}

JsonContextResolver.java

package org.hello.tomcat;

import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;

import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.databind.MapperFeature;
import com.fasterxml.jackson.databind.ObjectMapper;

@Provider
public class JsonContextResolver implements ContextResolver<ObjectMapper> {

	private static final ObjectMapper MAPPER = new ObjectMapper();
    
    static {
    	MAPPER.setSerializationInclusion(Include.NON_EMPTY);
    	MAPPER.disable(MapperFeature.USE_GETTERS_AS_SETTERS);
    }
    
	public ObjectMapper getContext(Class<?> type) {
		return MAPPER;
	}

}

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>org.hello</groupId>
  <artifactId>HelloTomcat</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>HelloTomcat Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.36</version>
    </dependency>
    <dependency>
    	<groupId>org.glassfish.jersey.containers</groupId>
    	<artifactId>jersey-container-servlet</artifactId>
    	<version>2.22</version>
    </dependency>
    <dependency>
    	<groupId>org.glassfish.jersey.media</groupId>
    	<artifactId>jersey-media-json-jackson</artifactId>
    	<version>2.22</version>
    </dependency>
  </dependencies>
  <build>
    <finalName>HelloTomcat</finalName>
  </build>
</project>