Rest API Post Example With Client in Java

/*
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 */
package com.rest;

/**
 *
 * @author ananddw
 */
public class Accounts {
   
    String accountid;
    String accountname;
    String accountholdername;
    String accountholderlocation;

    public String getAccountid() {
        return accountid;
    }

    public void setAccountid(String accountid) {
        this.accountid = accountid;
    }

    public String getAccountname() {
        return accountname;
    }

    public void setAccountname(String accountname) {
        this.accountname = accountname;
    }

    public String getAccountholdername() {
        return accountholdername;
    }

    public void setAccountholdername(String accountholdername) {
        this.accountholdername = accountholdername;
    }

    public String getAccountholderlocation() {
        return accountholderlocation;
    }

    public void setAccountholderlocation(String accountholderlocation) {
        this.accountholderlocation = accountholderlocation;
    }
   
   
    @Override
    public String toString() {
        return "Product [accountname=" + accountname + ", accountholderlocation=" + accountholderlocation + ", accountholdername=" + accountholdername + ", accountid=" + accountid +  "]";
    }
   
   
}









=======================
@Path("/accounts")
public class JSONService {
@POST
    @Path("/account")
    @Consumes("application/json")
    public Response getAccountsInJSON(Accounts account) {

        String result ="Account created : "+account;
       
        return Response.status(201).entity(result).build();

    }
}
=======================

/*
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package com.rest;

import java.io.File;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
import com.fasterxml.jackson.core.JsonGenerationException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;

/**
 *
 * @author ananddw
 */
public class JSONUtility {

    public static void main(String[] args) {
        JSONUtility obj = new JSONUtility();
        obj.run();
    }

    public String run() {
        ObjectMapper mapper = new ObjectMapper();
        Accounts staff = createDummyObject();
        String jsonInString = null;
        try {
            jsonInString = mapper.writeValueAsString(staff);
            System.out.println(jsonInString);
            String preetyJSON = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(staff);

        } catch (Exception e) {
            e.printStackTrace();
        }
        return jsonInString;
    }

    public Accounts createDummyObject() {

        Accounts staff = new Accounts();

        staff.setAccountholderlocation("Bangalore");
        staff.setAccountholdername("Anand");
        staff.setAccountid("Anand-MSPYL");
        staff.setAccountname("HDFC");

        return staff;

    }

}

====================================

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package com.rest;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

/**
 *
 * @author Admin
 */
public class AccountClientPost {
     public static void main(String[] args) {

        try {

            URL url = new URL(
                    "http://localhost:8084/RESTAPI/rest/accounts/account");
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setDoOutput(true);
            conn.setRequestMethod("POST");
            conn.setRequestProperty("Content-Type", "application/json");
             JSONUtility obj = new JSONUtility();
              String input= obj.run();
          

            OutputStream os = conn.getOutputStream();
            os.write(input.getBytes());
            os.flush();

            if (conn.getResponseCode() != HttpURLConnection.HTTP_CREATED) {
                throw new RuntimeException("Failed : HTTP error code : "
                        + conn.getResponseCode());
            }

            BufferedReader br = new BufferedReader(new InputStreamReader(
                    (conn.getInputStream())));

            String output;
            System.out.println("Output from Server .... \n");
            while ((output = br.readLine()) != null) {

                System.out.println(output);
            }

            conn.disconnect();

        } catch (MalformedURLException e) {

            e.printStackTrace();
        } catch (IOException e) {

            e.printStackTrace();

        }

    }
}



===============web.xml ==============

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
   xmlns="http://java.sun.com/xml/ns/javaee" 
   xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
   http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" 
   id="WebApp_ID" version="3.0">
   <display-name>User Management</display-name>
   <servlet>
      <servlet-name>Jersey RESTful Application</servlet-name>
      <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
         <init-param>
            <param-name>jersey.config.server.provider.packages</param-name>
            <param-value>com.rest</param-value>
         </init-param>
      </servlet>
   <servlet-mapping>
   <servlet-name>Jersey RESTful Application</servlet-name>
      <url-pattern>/rest/*</url-pattern>
   </servlet-mapping>  
</web-app>


Please uploaded  jersay and Jackson jars .

Happy to help Thanks