Java 为Google应用程序引擎API后端添加OAuth失败
我正在学习如何为谷歌应用程序引擎创建API后端。 作为我学习的一部分,我已经成功地实施了以下教程 但是当我尝试添加本教程中描述的oAuth时, 我收到以下错误(在mvn应用程序引擎更新期间) [错误]/Users/raj/Documents/workspace/rajmaven/helloendpoints/src/main/java/com/google/devrel/samples/helloendpoints/Greetings.java:[18,14]错误:找不到符号 [错误]符号:变量常量 我无法找到错误背后的确切原因。有人能帮我吗Java 为Google应用程序引擎API后端添加OAuth失败,java,google-app-engine,maven,oauth,Java,Google App Engine,Maven,Oauth,我正在学习如何为谷歌应用程序引擎创建API后端。 作为我学习的一部分,我已经成功地实施了以下教程 但是当我尝试添加本教程中描述的oAuth时, 我收到以下错误(在mvn应用程序引擎更新期间) [错误]/Users/raj/Documents/workspace/rajmaven/helloendpoints/src/main/java/com/google/devrel/samples/helloendpoints/Greetings.java:[18,14]错误:找不到符号 [错误]符号
1 package com.google.devrel.samples.helloendpoints;
2
3 import com.google.api.server.spi.config.Api;
4 import javax.inject.Named;
5 import java.util.ArrayList;
6 import com.google.api.server.spi.config.ApiMethod;
7 import com.google.appengine.api.users.User;
8
9 /**
10 * Defines v1 of a helloworld API, which provides simple "greeting" methods.
11 */
12 /*@Api(name = "helloworld", version = "v1") */
13
14
15 @Api(
16 name = "helloworld",
17 version = "v1",
18 scopes = {Constants.EMAIL_SCOPE},
19 clientIds = {com.google.api.server.spi.Constant.API_EXPLORER_CLIENT_ID}
20 )
21 public class Greetings {
22 public static ArrayList<HelloGreeting> greetings = new ArrayList<HelloGreeting>();
23
24 static {
25 greetings.add(new HelloGreeting("hello world!"));
26 greetings.add(new HelloGreeting("goodbye world!"));
27 }
28
29 public HelloGreeting getGreeting(@Named("id") Integer id) {
30 return greetings.get(id);
31 }
32
33 @ApiMethod(name = "greetings.authed", path = "greeting/authed")
34 public HelloGreeting authedGreeting(User user) {
35 HelloGreeting response = new HelloGreeting("hello " + user.getEmail());
36 return response;
37 }
38
39
40 @ApiMethod(name = "greetings.multiply", httpMethod = "post")
41 public HelloGreeting insertGreeting(@Named("times") Integer times, HelloGreeting greeting) {
42 HelloGreeting response = new HelloGreeting();
43 StringBuilder responseBuilder = new StringBuilder();
44 for (int i = 0; i < times; i++) {
45 responseBuilder.append(greeting.getMessage());
46 }
47 response.setMessage(responseBuilder.toString());
48 return response;
49 }
50
51
52 }
1包com.google.devrel.samples.helloendpoints;
2.
3导入com.google.api.server.spi.config.api;
4导入javax.inject.Named;
5导入java.util.ArrayList;
6导入com.google.api.server.spi.config.ApiMethod;
7导入com.google.appengine.api.users.User;
8.
9 /**
10*定义helloworld API的v1,它提供简单的“问候”方法。
11 */
12/*@Api(name=“helloworld”,version=“v1”)*/
13
14
15@Api(
16 name=“helloworld”,
17 version=“v1”,
18范围={Constants.EMAIL_SCOPE},
19 clientId={com.google.api.server.spi.Constant.api\u EXPLORER\u CLIENT\u ID}
20 )
21公共课堂问候语{
22公共静态ArrayList问候语=新建ArrayList();
23
24静电{
25问候语。添加(新的问候语(“你好,世界!”);
26问候。添加(新HelloGreeting(“再见世界”);
27 }
28
29公共HelloGreeting getGreeting(@Named(“id”)整数id){
30回敬问候。获取(id);
31 }
32
33@ApiMethod(name=“greetings.authed”,path=“greeting/authed”)
34公共HelloGreeting authedGreeting(用户){
35 HelloGreeting response=新的HelloGreeting(“hello”+user.getEmail());
36返回响应;
37 }
38
39
40@ApiMethod(name=“问候.乘法”,httpMethod=“post”)
41公共HelloGreeting插入问候语(@Named(“times”)整数倍,HelloGreeting问候语){
42 HelloGreeting响应=新HelloGreeting();
43 StringBuilder responseBuilder=新StringBuilder();
44表示(int i=0;i
我已经确定了问题所在;我必须提供常数。看起来教程没有提到这一点。我从API后端应用程序的代码库中找到了它