eleme.openapi.demo.HttpServerDemo Maven / Gradle / Ivy
package eleme.openapi.demo;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import eleme.openapi.sdk.api.entity.order.OOrder;
import eleme.openapi.sdk.api.entity.other.OMessage;
import eleme.openapi.sdk.api.entity.shop.OShop;
import eleme.openapi.sdk.api.exception.ServiceException;
import eleme.openapi.sdk.api.service.OrderService;
import eleme.openapi.sdk.api.service.ShopService;
import eleme.openapi.sdk.api.service.UserService;
import eleme.openapi.sdk.api.utils.CallbackValidationUtil;
import eleme.openapi.sdk.config.Config;
import eleme.openapi.sdk.oauth.OAuthClient;
import eleme.openapi.sdk.oauth.response.Token;
import eleme.openapi.sdk.utils.JacksonUtils;
import eleme.openapi.sdk.utils.StringUtils;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;
import java.util.HashMap;
import java.util.Map;
public class HttpServerDemo {
private static Config config = null;
private static Token token = null;
private static OAuthClient client = null;
// 设置是否沙箱环境
private static final boolean isSandbox = true;
// 设置APP KEY
private static final String key = "your app key";
// 设置APP SECRET
private static final String secret = "your app secret";
// 回调地址
private static String callbackUrl = "your callback url";
private static String scope = "all";
private static String state = "";
static {
config = new Config(isSandbox, key, secret);
client = new OAuthClient(config);
token = client.getTokenByCode("", "");
}
public static void main(String[] args) {
try {
start(8899);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void start(Integer port) throws IOException {
InetSocketAddress address = new InetSocketAddress(port);
HttpServer server = HttpServer.create(address, 0);
if (server != null) {
server.createContext("/demo", new DemoHandler());
server.createContext("/api", new ApiHandler());
server.createContext("/getInfo", new Shop());
server.setExecutor(null);
server.start();
}
}
static class Shop implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
if (t.getRequestMethod().equals("POST")) {
InputStream is = t.getRequestBody();
BufferedReader in = new BufferedReader(new InputStreamReader(is));
String line;
StringBuilder body = new StringBuilder();
while ((line = in.readLine()) != null) {
body.append(line);
}
GetInfoRequest request = JacksonUtils.json2pojo(body.toString(), GetInfoRequest.class);
String shopId = request.getShopId();
ResponseResult result = new ResponseResult();
ResponseResult.Result rResult = new ResponseResult.Result();
try {
if (token == null || !token.isSuccess()) {
rResult.setOAuthUrl(client.getAuthUrl(callbackUrl, scope, state));
result.setResult(rResult);
String resultJson = JacksonUtils.obj2json(result);
response(t, resultJson);
return;
}
ShopService shopService = new ShopService(config, token);
OShop shop = shopService.getShop(Long.valueOf(shopId));
rResult.setShopName(shop.getName());
result.setResult(rResult);
String resultJson = JacksonUtils.obj2json(result);
response(t, resultJson);
} catch (ServiceException e) {
e.printStackTrace();
}
}
}
}
static class DemoHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
String query = t.getRequestURI().getQuery();
String initHtml = rtnHtml();
if (StringUtils.isEmpty(query)) {
response(t, initHtml);
return;
}
Map stringStringMap = queryToMap(t.getRequestURI().getQuery());
String code = stringStringMap.get("code");
if (StringUtils.isEmpty(code)) {
response(t, initHtml);
return;
}
long userId = 0L;
String shopName = null;
try {
Token token = client.getTokenByCode(code, callbackUrl);
if (!token.isSuccess()) {
System.out.println(token.getError());
System.out.println(token.getError_description());
}
UserService userService = new UserService(config, token);
System.out.println(userService.getUser().getUserName());
userId = userService.getUser().getUserId();
shopName = userService.getUser().getAuthorizedShops().get(0).getName();
} catch (ServiceException e) {
e.printStackTrace();
}
String responseHtml = initHtml.replace("{{ userId }}", String.valueOf(userId)).replace("{{ shopName }}", shopName);
System.out.println(initHtml);
response(t, responseHtml);
}
}
private static void response(HttpExchange t, String responseMsg) {
try {
t.sendResponseHeaders(HttpURLConnection.HTTP_OK, responseMsg.getBytes().length);
OutputStream os = t.getResponseBody();
os.write(responseMsg.getBytes("UTF-8"));
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
static class ApiHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
int code = 200;
String response = "ok";
OMessage oMessage = null;
try {
if ("GET".equals(t.getRequestMethod())) {
return;
}
InputStream is = t.getRequestBody();
BufferedReader in = new BufferedReader(new InputStreamReader(is));
String line;
StringBuilder body = new StringBuilder();
while ((line = in.readLine()) != null) {
body.append(line);
}
oMessage = JacksonUtils.json2pojo(body.toString(), OMessage.class);
if (!CallbackValidationUtil.isValidMessage(oMessage, secret)) {
throw new Exception("invalid post data : " + body);
}
} catch (Exception e) {
e.printStackTrace();
code = 500;
response = e.getMessage();
} finally {
Map responseMap = new HashMap();
responseMap.put("message", response);
String message = JacksonUtils.obj2json(responseMap);
t.sendResponseHeaders(code, message.length());
OutputStream os = t.getResponseBody();
os.write(message.getBytes());
os.close();
//type=10的消息，调用确认订单接口完成接单流程
if (null != oMessage && oMessage.getType() == 10) {
OrderService orderService = new OrderService(config, token);
OMessage.Message msg = JacksonUtils.json2pojo(oMessage.getMessage(), OMessage.Message.class);
try {
OOrder oOrder = orderService.getOrder(msg.getOrder_id());
} catch (ServiceException e) {
e.printStackTrace();
}
}
}
}
}
private static String rtnHtml() throws IOException {
InputStream resourceAsStream = Thread.currentThread().getContextClassLoader().getResourceAsStream("page/demo.html");
ByteArrayOutputStream result = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int length;
while ((length = resourceAsStream.read(buffer)) != -1) {
result.write(buffer, 0, length);
}
return result.toString("UTF-8");
}
/**
* returns the url parameters in a map
*
* @param query
* @return map
*/
private static Map queryToMap(String query) {
Map result = new HashMap();
for (String param : query.split("&")) {
String pair[] = param.split("=");
if (pair.length > 1) {
result.put(pair[0], pair[1]);
} else {
result.put(pair[0], "");
}
}
return result;
}
private static class ResponseResult {
private ResponseResult.Result result;
public ResponseResult.Result getResult() {
return result;
}
public void setResult(ResponseResult.Result result) {
this.result = result;
}
static class Result {
private String OAuthUrl;
private String shopName;
public String getOAuthUrl() {
return OAuthUrl;
}
public void setOAuthUrl(String OAuthUrl) {
this.OAuthUrl = OAuthUrl;
}
public String getShopName() {
return shopName;
}
public void setShopName(String shopName) {
this.shopName = shopName;
}
}
}
private static class GetInfoRequest {
private String userId;
private String shopId;
public String getUserId() {
return userId;
}
public void setUserId(String userId) {
this.userId = userId;
}
public String getShopId() {
return shopId;
}
public void setShopId(String shopId) {
this.shopId = shopId;
}
}
}
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