Spring rest example

1. Start First Spring REST Example
2. Requirement For Spring REST First Example 
3. Technologies Used 

                          Eclipse  IDE

                          JRE 1.7

                          Apache Tomcat 7

                          Spring 4.0.0

Spring REST Application Structure

               

1 SpringServiceController.java File

package com.jeetdevelop.springrest.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("/firstRest/application")

public class SpringServiceController

{

@RequestMapping(value = "/{name}", method = RequestMethod.GET,headers="Accept=application/json")

public Result getGreeting(@PathVariable String name)

{

return new Result(name,"Jangir");

}

}

2.Result.java File

package com.jeetdevelop.springrest.controller;

 public class Result

{

private String fname;

private String lname;

public String getFname()

{

return fname;

}

public String getLname()

{

return lname;

}

public Result(String fname, String lname)

{

this.fname = fname;

this.lname = lname;

}

}

3. Rest-servlet.xml File

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:context="http://www.springframework.org/schema/context"

xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns:p="http://www.springframework.org/schema/p"

xsi:schemaLocation="

        http://www.springframework.org/schema/beans    

        http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

        http://www.springframework.org/schema/context

        http://www.springframework.org/schema/context/spring-context-4.0.xsd

        http://www.springframework.org/schema/mvc

        http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

<context:component-scan base-package="com.jeetdevelop.springrest.controller" />

<mvc:annotation-driven />

  </beans>

4. Web.xml File

<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">

   <display-name>JeetSpringRest</display-name>

   <welcome-file-list>

    <welcome-file>index.html</welcome-file>

    <welcome-file>index.htm</welcome-file>

    <welcome-file>index.jsp</welcome-file>

    <welcome-file>default.html</welcome-file>

    <welcome-file>default.htm</welcome-file>

    <welcome-file>default.jsp</welcome-file>

   </welcome-file-list>

<servlet>

<servlet-name>rest</servlet-name>

<servlet-class>

org.springframework.web.servlet.DispatcherServlet

</servlet-class>

<load-on-startup>1</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>rest</servlet-name>

<url-pattern>/*</url-pattern>

</servlet-mapping>

</web-app>

Apply Following File and Build your application Than Run On  Server Your Application

and see output 

BaseURL=localhost:8081/JeetSpringRest/

API URL=firstRest/application/Jeet

Jeet is a input paramerts

Ask Question Please Commets :

Thanks