RestControllerサンプル

DemoController.java

package com.springboot.test.restful;

import java.util.ArrayList;
import java.util.List;

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.RestController;

@RestController // ・・・ 1
@RequestMapping("/api/v1/cities") // ・・・ 2
public class DemoController {

    @RequestMapping(method = RequestMethod.GET) // ・・・ 3
    public List<String> getCities() {
        List<String> rtn = new ArrayList<String>();
        rtn.add("GET1");
        rtn.add("GET2");

        return rtn;
    }

    @RequestMapping(value = "{id}", method = RequestMethod.GET) // ・・・ 4
    public String getCity(@PathVariable Integer id) {

        return "id";
    }

    @RequestMapping(method=RequestMethod.POST)    // g
    public Customer postCustomer(@RequestBody Customer customer) {
        customer.setEmail("hahaha");
        List<String> strList = new ArrayList<String>();
        strList.add("qqq");
        strList.add("www");
        customer.setStrList(strList);
        return customer;
    }

    @RequestMapping(value = "{id}/foods", method = RequestMethod.GET) // ・・・ 5
    public List<String> getFoods(@PathVariable Integer id) {
        List<String> rtn = new ArrayList<String>();
        rtn.add("foods1");
        rtn.add("foods2");

        return rtn;
    }

    @RequestMapping(value = "{id}/restaurants", method = RequestMethod.GET) // ・・・ 6
    public List<String> getRestaurants(@PathVariable Integer id) {
        List<String> rtn = new ArrayList<String>();
        rtn.add("restaurants1");
        rtn.add("restaurants2");

        return rtn;
    }
}

RestClientController.java

package com.springboot.test.restful.client;

import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import com.springboot.test.restful.Kehu;

@RestController // ・・・ 1
@RequestMapping("/client") // ・・・ 2
public class RestClientController {

    @RequestMapping(method = RequestMethod.GET) // ・・・ 3
    public void getCities() {
        RestTemplate restTemplate = new RestTemplate();
        String url = "http://localhost:8080/api/v1/cities";

        HttpHeaders headers = new HttpHeaders();

        headers.setContentType(MediaType.APPLICATION_JSON_UTF8);



        Kehu c = new Kehu();
        c.setId(1);
        c.setName("name1");
        c.setEmail("email1");
        HttpEntity entity = new HttpEntity(c, headers);

        ResponseEntity a = restTemplate.exchange(url, HttpMethod.POST, entity, String.class);

        System.out.println("OK");

    }
}

Customer.java

package com.springboot.test.restful;

import java.util.List;

public class Customer {

    private Integer id;

    private String name;

    private String email;

    private List<String> strList;


}