JwtController.java

package com.accenture.codingtest.springbootcodingtest.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import com.accenture.codingtest.springbootcodingtest.filter.JwtUtil;
import com.accenture.codingtest.springbootcodingtest.model.JwtRequestModel;
import com.accenture.codingtest.springbootcodingtest.model.JwtResponseModel;
import com.accenture.codingtest.springbootcodingtest.service.GroupUserDetailsService;

@RestController
	public class JwtController {

		@Autowired
		private JwtUtil jwtUtil;

		@Autowired
		private GroupUserDetailsService groupUserDetailsService;

		@Autowired
		private AuthenticationManager authenticationManager;

		@PostMapping(value = "/Token/GenerateToken")
		public ResponseEntity<?> GenerateToken(@RequestBody JwtRequestModel jwtRequestM) throws Exception {
			try {

				this.authenticationManager.authenticate(new UsernamePasswordAuthenticationToken(jwtRequestM.getUsername(), jwtRequestM.getPassword()));

			}catch(UsernameNotFoundException e)
			{
				e.printStackTrace();
				throw new Exception("Bad Credentials");
			}
			//fine area
			UserDetails userDetails = this.groupUserDetailsService.loadUserByUsername(jwtRequestM.getUsername());

			String token = jwtUtil.generateToken(jwtRequestM.getUsername());
			System.out.println(token);


	        return ResponseEntity.ok( new JwtResponseModel(token));
	      }
}