/**
* 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.eclipse.egit.github.core.RepositoryTag;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TagConsumer extends AbstractGitHubConsumer {
private static final transient Logger LOG = LoggerFactory.getLogger(TagConsumer.class);
private List<String> tagNames = new ArrayList<String>();
public TagConsumer(GitHubEndpoint endpoint, Processor processor) throws Exception {
super(endpoint, processor);
LOG.info("GitHub TagConsumer: Indexing current tags...");
List<RepositoryTag> tags = getRepositoryService().getTags(getRepository());
for (RepositoryTag tag : tags) {
tagNames.add(tag.getName());
}
}
@Override
protected int poll() throws Exception {
List<RepositoryTag> tags = getRepositoryService().getTags(getRepository());
// In the end, we want tags oldest to newest.
Stack<RepositoryTag> newTags = new Stack<RepositoryTag>();
for (RepositoryTag tag : tags) {
if (!tagNames.contains(tag.getName())) {
newTags.push(tag);
tagNames.add(tag.getName());
}
}
while (!newTags.empty()) {
RepositoryTag newTag = newTags.pop();
Exchange e = getEndpoint().createExchange();
e.getIn().setBody(newTag);
getProcessor().process(e);
}
return newTags.size();
}
}