SatyaCodes

Spring MVC -Summary

Spring MVC - Summary

Spring MVC

@Controller	
@RequestMapping("student")
@RequestMapping(value = "/add" method=RequestMethod.GET)
@RequestMapping(value = "/add" method=RequestMethod.POST)        
/student/fetch/100/satya
@RequestMapping(value="/fetch/{sno}/{name}")
public String getInfo(@PathVariable("sno") String sno, (@PathVariable("sno") String n ) { 
}

/student/fetch? sno=100&name=satya
@RequestMapping(value="/fetch")
public String getBoth(@RequestParam("id") String id, @RequestParam("name") String n) {
}

//Form Data
@RequestMapping(value = "/addEmployee", method = RequestMethod.POST)
    public String submit( @ModelAttribute("employee") Employee employee ) {
}

WebServices

@Path("/student")
/student/add


@Path("/add")
@GET
	@Path("/usa")
	@Produces("text/html")

@POST
	@Path("/usa")
	@Produces("text/html")


@Path("{rollno}/{name}/{address}")
@Produces("text/html")
public Response get(@PathParam("rollno") String rollno,@PathParam("name") String name,
  	@PathParam("address") String address) {	}


students?rollno=1218&name=SATYA KAVETI&address=VIJAYAWADA


@GET
@Produces("text/html")
public Response get (@QueryParam("rollno") String rollno,@QueryParam("name") String name,
  	@QueryParam("address") String address) {	}

//DefaultValue
@GET
@Produces("text/html")
public Response getResultByPassingValue(@DefaultValue("1000") @QueryParam("rollno") String rollno,	@DefaultValue("XXXX") @QueryParam("name") String name,
 	@DefaultValue("XXXX") @QueryParam("address") String address) {



customers;custNo=100;custName=Satya
@GET
@Produces("text/html")
public Response getResultByPassingValue(
 	@MatrixParam("rollno") String rollno,
 	@MatrixParam("name") String name,
 	@MatrixParam("address") String address) {}

//Form
@POST
@Path("/registerStudent")
@Produces("text/html")
public Response getResultByPassingValue(
 @FormParam("rollno") String rollno,
 @FormParam("name") String name,
 @FormParam("address") String address) {}


// HeaderParam
@GET
	@Path("/headerparam")
	public Response getHeader(
 @HeaderParam("user-agent") String userAgent,
 @HeaderParam("Accept") String accept,
               @HeaderParam("Accept-Encoding") String encoding,
               @HeaderParam("Accept-Language") String lang) {
//Context
@Path("Context ")
	public Response getHttpheaders(@Context HttpHeaders headers){        
 String output = "<h1>@@Context Example - HTTP headers</h1>";
  output =  output+"<br>ALL headers -- "+ headers.getRequestHeaders().toString();        
  output =  output+"<br>All Cookies -- "+ headers.getCookies().values();
  return Response.status(200).entity(output).build();

Spring 4

Sprin3 -@RequestMapping(value="/user/create", method=RequestMethod.POST)
Spring4 -
@GetMapping("/students/{sno}")
	public ResponseEntity getStudent(@PathVariable("sno") int sno) {
}

@PostMapping(value = "/students")
	public ResponseEntity createStudent(@RequestBody Student student) {
}

@DeleteMapping("/students/{sno}")
	public ResponseEntity deleteStudent(@PathVariable int sno) {
}

public ResponseEntity<Student> createUser(@RequestBody User user, UriComponentsBuilder ub){
}
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