/**
* 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.ArrayList;
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.RepositoryCommit;
import org.eclipse.egit.github.core.service.CommitService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CommitConsumer extends AbstractGitHubConsumer {
private static final transient Logger LOG = LoggerFactory.getLogger(CommitConsumer.class);
private CommitService commitService;
private List<String> commitHashes = new ArrayList<String>();
public CommitConsumer(String branchName, GitHubEndpoint endpoint, Processor processor) throws Exception {
super(endpoint, processor);
Registry registry = endpoint.getCamelContext().getRegistry();
Object service = registry.lookupByName("githubCommitService");
if (service != null) {
LOG.debug("Using CommitService found in registry " + service.getClass().getCanonicalName());
commitService = (CommitService) service;
} else {
commitService = new CommitService();
}
initService(commitService);
LOG.info("GitHub CommitConsumer: Indexing current commits...");
List<RepositoryCommit> commits = commitService.getCommits(getRepository(), branchName, null);
for (RepositoryCommit commit : commits) {
commitHashes.add(commit.getSha());
}
}
@Override
protected int poll() throws Exception {
List<RepositoryCommit> commits = commitService.getCommits(getRepository());
// In the end, we want tags oldest to newest.
Stack<RepositoryCommit> newCommits = new Stack<RepositoryCommit>();
for (RepositoryCommit commit : commits) {
if (!commitHashes.contains(commit.getSha())) {
newCommits.push(commit);
commitHashes.add(commit.getSha());
}
}
while (!newCommits.empty()) {
RepositoryCommit newCommit = newCommits.pop();
Exchange e = getEndpoint().createExchange();
e.getIn().setBody(newCommit);
getProcessor().process(e);
}
return newCommits.size();
}
}