Spring Restful

package net.javaonline.spring.restful.controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("/myservice")
public class SpringServiceController {
@RequestMapping(value = "/{name}", method = RequestMethod.GET)
public String getGreeting(@PathVariable String name) {
String result="Hello "+name;
return result;
}
}

package net.javaonline.spring.restful.controller;

import java.util.Date;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import net.javaonline.spring.restful.model.EmpRestURIConstants;
import net.javaonline.spring.restful.model.Employee;


@RestController
@RequestMapping("/hello")
public class HelloWorldService {

@RequestMapping
    public String helloMethod1(@RequestParam(value="name", defaultValue="World") String name) {
       
     return   "Hello  "+ name;
    }
   
@RequestMapping(value = "/{firstName}/{lastName}", method = RequestMethod.GET)
    public String helloMethod2(@PathVariable String firstName, @PathVariable String lastName) {
    return "Hello "+ firstName + " " + lastName;
    }  


static Map empData = new HashMap();
static{
Employee emp = new Employee();
emp.setId(9999);
emp.setName("Dummy");
emp.setCreatedDate(new Date());
empData.put(9999, emp);
}

@RequestMapping(value = EmpRestURIConstants.DUMMY_EMP, method = RequestMethod.GET)
public @ResponseBody Employee getDummyEmployee() {
Employee emp = new Employee();
emp.setId(9999);
emp.setName("Dummy");
emp.setCreatedDate(new Date());
empData.put(9999, emp);
return emp;
}

//http://localhost:8082/springrestservice/hello/rest/emp/9999

@RequestMapping(value = EmpRestURIConstants.GET_EMP, method = RequestMethod.GET)
public @ResponseBody Employee getEmployee(@PathVariable("id") int empId) {

return empData.get(empId);
}

@RequestMapping(value = EmpRestURIConstants.GET_ALL_EMP, method = RequestMethod.GET)
public @ResponseBody List getAllEmployees() {
List emps = new ArrayList();
Set empIdKeys = empData.keySet();
for(Integer i : empIdKeys){
emps.add(empData.get(i));
}
return emps;
}

@RequestMapping(value = EmpRestURIConstants.CREATE_EMP, method = RequestMethod.POST)
public @ResponseBody Employee createEmployee(@RequestBody Employee emp) {
emp.setCreatedDate(new Date());
empData.put(emp.getId(), emp);
return emp;
}

@RequestMapping(value = EmpRestURIConstants.DELETE_EMP, method = RequestMethod.PUT)
public @ResponseBody Employee deleteEmployee(@PathVariable("id") int empId) {
Employee emp = empData.get(empId);
empData.remove(empId);
return emp;
}

   
}


package net.javaonline.spring.restful.controller;


import net.javaonline.spring.restful.dao.GetProductDetailsDAO;
import net.javaonline.spring.restful.model.ProductDetails;

import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class GetProductDetailsService {

   // @RequestMapping(value="/getProduct", method = RequestMethod.GET,headers="Accept=application/json, application/xml")
@RequestMapping(value="/getProduct", method = RequestMethod.GET)
 
    public @ResponseBody ProductDetails getProductMethod1(@RequestParam(value="itemcode", defaultValue="1") String itemcode) {
    GetProductDetailsDAO pdDao=new GetProductDetailsDAO();
     return  pdDao.getProductDetails(itemcode);
    }
   
   
    @RequestMapping("/getProduct/{itemcode}")
    public @ResponseBody ProductDetails getProductMethod2(@PathVariable(value="itemcode")  String itemcode) {
    GetProductDetailsDAO pdDao=new GetProductDetailsDAO();
     return  pdDao.getProductDetails(itemcode);
    }
 
   
}

package com.journaldev.spring.model;

import java.io.Serializable;
import java.util.Date;

import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.fasterxml.jackson.databind.ser.std.DateSerializer;

public class Employee implements Serializable{

private static final long serialVersionUID = -7788619177798333712L;

private int id;
private String name;
private Date createdDate;

public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}

@JsonSerialize(using=DateSerializer.class)
public Date getCreatedDate() {
return createdDate;
}
public void setCreatedDate(Date createdDate) {
this.createdDate = createdDate;
}


}

package com.journaldev.spring.controller;

public class EmpRestURIConstants {

public static final String DUMMY_EMP = "/rest/emp/dummy";

public static final String GET_EMP = "/rest/emp/{id}";

public static final String GET_ALL_EMP = "/rest/emps";

public static final String CREATE_EMP = "/rest/emp/create";

public static final String DELETE_EMP = "/rest/emp/delete/{id}";

}

package com.journaldev.spring.controller;

import java.util.ArrayList;

import java.util.Date;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.Set;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.PathVariable;

import org.springframework.web.bind.annotation.RequestBody;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.ResponseBody;

import com.journaldev.spring.model.Employee;

/**

 * Handles requests for the Employee service.

 */

@Controller

public class EmployeeController {

private static final Logger logger = LoggerFactory.getLogger(EmployeeController.class);

//Map to store employees, ideally we should use database

Map empData = new HashMap();

@RequestMapping(value = EmpRestURIConstants.DUMMY_EMP, method = RequestMethod.GET)

public @ResponseBody Employee getDummyEmployee() {

logger.info("Start getDummyEmployee");

Employee emp = new Employee();

emp.setId(9999);

emp.setName("Dummy");

emp.setCreatedDate(new Date());

empData.put(9999, emp);

return emp;

}

@RequestMapping(value = EmpRestURIConstants.GET_EMP, method = RequestMethod.GET)

public @ResponseBody Employee getEmployee(@PathVariable("id") int empId) {

logger.info("Start getEmployee. ID="+empId);

return empData.get(empId);

}

@RequestMapping(value = EmpRestURIConstants.GET_ALL_EMP, method = RequestMethod.GET)

public @ResponseBody List getAllEmployees() {

logger.info("Start getAllEmployees.");

List emps = new ArrayList();

Set empIdKeys = empData.keySet();

for(Integer i : empIdKeys){

emps.add(empData.get(i));

}

return emps;

}

@RequestMapping(value = EmpRestURIConstants.CREATE_EMP, method = RequestMethod.POST)

public @ResponseBody Employee createEmployee(@RequestBody Employee emp) {

logger.info("Start createEmployee.");

emp.setCreatedDate(new Date());

empData.put(emp.getId(), emp);

return emp;

}

@RequestMapping(value = EmpRestURIConstants.DELETE_EMP, method = RequestMethod.PUT)

public @ResponseBody Employee deleteEmployee(@PathVariable("id") int empId) {

logger.info("Start deleteEmployee.");

Employee emp = empData.get(empId);

empData.remove(empId);

return emp;

}

}