/*
* 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.flume.sink.elasticsearch;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import java.io.IOException;
import java.util.Map;
import org.apache.flume.Context;
import org.apache.flume.Event;
import org.apache.flume.conf.ComponentConfiguration;
import org.elasticsearch.common.xcontent.XContentBuilder;
/**
* Basic serializer that serializes the event body and header fields into
* individual fields</p>
*
* A best effort will be used to determine the content-type, if it cannot be
* determined fields will be indexed as Strings
*/
public class ElasticSearchDynamicSerializer implements
ElasticSearchEventSerializer {
@Override
public void configure(Context context) {
// NO-OP...
}
@Override
public void configure(ComponentConfiguration conf) {
// NO-OP...
}
@Override
public XContentBuilder getContentBuilder(Event event) throws IOException {
XContentBuilder builder = jsonBuilder().startObject();
appendBody(builder, event);
appendHeaders(builder, event);
return builder;
}
private void appendBody(XContentBuilder builder, Event event)
throws IOException {
ContentBuilderUtil.appendField(builder, "body", event.getBody());
}
private void appendHeaders(XContentBuilder builder, Event event)
throws IOException {
Map<String, String> headers = event.getHeaders();
for (String key : headers.keySet()) {
ContentBuilderUtil.appendField(builder, key,
headers.get(key).getBytes(charset));
}
}
}