/*
* Copyright © 2015 Cask Data, Inc.
*
* 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 co.cask.cdap.data.stream.service.upload;
import co.cask.http.BodyConsumer;
import org.jboss.netty.handler.codec.http.HttpHeaders;
import org.jboss.netty.handler.codec.http.HttpRequest;
/**
* A factory for creating {@link BodyConsumer} to support the stream batch ingest endpoint.
*/
public class StreamBodyConsumerFactory {
/**
* Creates a {@link BodyConsumer} to handle the given batch request.
*
* @throws UnsupportedOperationException if no {@link BodyConsumer} can supports the given request content type
*/
public BodyConsumer create(HttpRequest request,
ContentWriterFactory contentWriterFactory) throws UnsupportedOperationException {
// Just hardcoded the supported type here, until we support a pluggable architecture
String contentType = request.getHeader(HttpHeaders.Names.CONTENT_TYPE);
if (contentType == null) {
throw new UnsupportedOperationException("Unknown content type");
}
if (contentType.startsWith("text/")) {
return new TextStreamBodyConsumer(contentWriterFactory);
}
if (contentType.equals("avro/binary")) {
return new AvroStreamBodyConsumer(contentWriterFactory);
}
throw new UnsupportedOperationException("Unsupported content type " + contentType);
}
}