| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.camel.component.github.consumer; |
| |
| import java.util.List; |
| import java.util.Stack; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.component.github.GitHubEndpoint; |
| import org.apache.camel.spi.Registry; |
| import org.eclipse.egit.github.core.PullRequest; |
| import org.eclipse.egit.github.core.service.PullRequestService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class PullRequestConsumer extends AbstractGitHubConsumer { |
| private static final transient Logger LOG = LoggerFactory.getLogger(PullRequestConsumer.class); |
| |
| private PullRequestService pullRequestService; |
| |
| private int lastOpenPullRequest; |
| |
| public PullRequestConsumer(GitHubEndpoint endpoint, Processor processor) throws Exception { |
| super(endpoint, processor); |
| |
| Registry registry = endpoint.getCamelContext().getRegistry(); |
| Object service = registry.lookupByName("githubPullRequestService"); |
| if (service != null) { |
| LOG.debug("Using PullRequestService found in registry " + service.getClass().getCanonicalName()); |
| pullRequestService = (PullRequestService) service; |
| } else { |
| pullRequestService = new PullRequestService(); |
| } |
| |
| initService(pullRequestService); |
| |
| LOG.info("GitHub PullRequestConsumer: Indexing current pull requests..."); |
| List<PullRequest> pullRequests = pullRequestService.getPullRequests(getRepository(), "open"); |
| if (pullRequests.size() > 0) { |
| lastOpenPullRequest = pullRequests.get(0).getNumber(); |
| } |
| } |
| |
| @Override |
| protected int poll() throws Exception { |
| List<PullRequest> openPullRequests = pullRequestService.getPullRequests(getRepository(), "open"); |
| // In the end, we want PRs oldest to newest. |
| Stack<PullRequest> newPullRequests = new Stack<PullRequest>(); |
| for (PullRequest pullRequest : openPullRequests) { |
| if (pullRequest.getNumber() > lastOpenPullRequest) { |
| newPullRequests.push(pullRequest); |
| } else { |
| break; |
| } |
| } |
| |
| if (newPullRequests.size() > 0) { |
| lastOpenPullRequest = openPullRequests.get(0).getNumber(); |
| } |
| |
| while (!newPullRequests.empty()) { |
| PullRequest newPullRequest = newPullRequests.pop(); |
| Exchange e = getEndpoint().createExchange(); |
| |
| e.getIn().setBody(newPullRequest); |
| |
| // Required by the producers. Set it here for convenience. |
| e.getIn().setHeader("GitHubPullRequest", newPullRequest.getNumber()); |
| if (newPullRequest.getHead() != null) { |
| e.getIn().setHeader("GitHubPullRequestHeadCommitSHA", newPullRequest.getHead().getSha()); |
| } |
| |
| getProcessor().process(e); |
| } |
| return newPullRequests.size(); |
| } |
| } |