| /** |
| * 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.producer; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.component.github.GitHubEndpoint; |
| import org.apache.camel.spi.Registry; |
| import org.apache.commons.codec.binary.Base64; |
| import org.eclipse.egit.github.core.Blob; |
| import org.eclipse.egit.github.core.CommitFile; |
| import org.eclipse.egit.github.core.service.DataService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Producer endpoint that gets the file associated with a CommitFile object. |
| * |
| */ |
| public class GetCommitFileProducer extends AbstractGitHubProducer { |
| private static final transient Logger LOG = LoggerFactory.getLogger(GetCommitFileProducer.class); |
| |
| private DataService dataService; |
| |
| private String encoding = Blob.ENCODING_UTF8; |
| |
| public GetCommitFileProducer(GitHubEndpoint endpoint) throws Exception { |
| super(endpoint); |
| |
| Registry registry = endpoint.getCamelContext().getRegistry(); |
| Object service = registry.lookupByName("githubDataService"); |
| if (service != null) { |
| LOG.debug("Using DataService found in registry " + service.getClass().getCanonicalName()); |
| dataService = (DataService) service; |
| } else { |
| dataService = new DataService(); |
| } |
| initService(dataService); |
| |
| if (endpoint.getEncoding() != null) { |
| encoding = endpoint.getEncoding(); |
| |
| if (!encoding.equalsIgnoreCase(Blob.ENCODING_BASE64) |
| && !encoding.equalsIgnoreCase(Blob.ENCODING_UTF8)) { |
| throw new IllegalArgumentException("Unknown encoding '" + encoding + "'"); |
| } |
| } |
| } |
| |
| public void process(Exchange exchange) throws Exception { |
| CommitFile file = exchange.getIn().getBody(CommitFile.class); |
| |
| Blob response = dataService.getBlob(getRepository(), file.getSha()); |
| |
| String text = response.getContent(); |
| |
| // By default, if blob encoding is base64 then we convert to UTF-8. If |
| // base64 encoding is required, then must be explicitly requested |
| if (response.getEncoding().equals(Blob.ENCODING_BASE64) |
| && encoding != null && encoding.equalsIgnoreCase(Blob.ENCODING_UTF8)) { |
| text = new String(Base64.decodeBase64(text)); |
| } |
| |
| // copy the header of in message to the out message |
| exchange.getOut().copyFrom(exchange.getIn()); |
| exchange.getOut().setBody(text); |
| } |
| |
| } |