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spring/integration/pubsub/src/main/resources/static/js/pubsub.js
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spring/pubsub/src/main/java/com/example/spring/pubsub/WebAppController.java
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| /* | ||
| * Copyright 2017 original author or authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.example.spring.pubsub; | ||
|
|
||
| import com.example.spring.pubsub.PubsubApplication.PubsubOutboundGateway; | ||
| import com.google.pubsub.v1.Subscription; | ||
| import com.google.pubsub.v1.SubscriptionName; | ||
| import com.google.pubsub.v1.Topic; | ||
| import com.google.pubsub.v1.TopicName; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.cloud.gcp.pubsub.PubsubAdmin; | ||
| import org.springframework.web.bind.annotation.GetMapping; | ||
| import org.springframework.web.bind.annotation.PostMapping; | ||
| import org.springframework.web.bind.annotation.RequestParam; | ||
| import org.springframework.web.bind.annotation.RestController; | ||
| import org.springframework.web.servlet.view.RedirectView; | ||
|
|
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| @RestController | ||
| public class WebAppController { | ||
|
|
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| @Autowired | ||
| private PubsubOutboundGateway messagingGateway; | ||
|
|
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| @Autowired private PubsubAdmin admin; | ||
|
|
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| /** | ||
| * Lists every topic in the project. | ||
| * | ||
| * @return a list of the names of every topic in the project | ||
| */ | ||
| @GetMapping("/listTopics") | ||
| public List<String> listTopics() { | ||
| return admin | ||
| .listTopics() | ||
| .stream() | ||
| .map(Topic::getNameAsTopicName) | ||
| .map(TopicName::getTopic) | ||
| .collect(Collectors.toList()); | ||
| } | ||
|
|
||
| /** | ||
| * Lists every subscription in the project. | ||
| * | ||
| * @return a list of the names of every subscription in the project | ||
| */ | ||
| @GetMapping("/listSubscriptions") | ||
| public List<String> listSubscriptions() { | ||
| return admin | ||
| .listSubscriptions() | ||
| .stream() | ||
| .map(Subscription::getNameAsSubscriptionName) | ||
| .map(SubscriptionName::getSubscription) | ||
| .collect(Collectors.toList()); | ||
| } | ||
|
|
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| /** | ||
| * Posts a message to a Google Cloud Pub/Sub topic, through Spring's messaging gateway, and | ||
| * redirects the user to the home page. | ||
| * | ||
| * @param message the message posted to the Pub/Sub topic | ||
| */ | ||
| @PostMapping("/postMessage") | ||
| public RedirectView addMessage(@RequestParam("message") String message) { | ||
| messagingGateway.sendToPubsub(message); | ||
| return new RedirectView("/"); | ||
| } | ||
|
|
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| /** | ||
| * Creates a new topic on Google Cloud Pub/Sub, through Spring's Pub/Sub admin class, and | ||
| * redirects the user to the home page. | ||
| * | ||
| * @param topicName the name of the new topic | ||
| */ | ||
| @PostMapping("/newTopic") | ||
| public RedirectView newTopic(@RequestParam("name") String topicName) { | ||
| admin.createTopic(topicName); | ||
| return new RedirectView("/"); | ||
| } | ||
|
|
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| /** | ||
| * Creates a new subscription on Google Cloud Pub/Sub, through Spring's Pub/Sub admin class, and | ||
| * redirects the user to the home page. | ||
| * | ||
| * @param topicName the name of the new subscription | ||
| */ | ||
| @PostMapping("/newSubscription") | ||
| public RedirectView newSubscription( | ||
| @RequestParam("name") String subscriptionName, @RequestParam("topic") String topicName) { | ||
| admin.createSubscription(subscriptionName, topicName); | ||
| return new RedirectView("/"); | ||
| } | ||
| } |
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...bsub/src/main/resources/static/index.html → ...bsub/src/main/resources/static/index.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /* | ||
| * Copyright 2017 original author or authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| angular.module('pubsub', []) | ||
| .controller('listTopics', function($scope, $http) { | ||
| $http.get('/listTopics').success(function(data) { | ||
| $scope.topics = data; | ||
| }); | ||
| }) | ||
| .controller('listSubscriptions', function($scope, $http) { | ||
| $http.get('/listSubscriptions').success(function(data) { | ||
| $scope.subscriptions = data; | ||
| }) | ||
| }); |
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