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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.rest.action;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.ToXContentObject;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.BytesRestResponse;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.RestStatus;
/**
* A REST based action listener that assumes the response is of type {@link ToXContent} and automatically
* builds an XContent based response (wrapping the toXContent in startObject/endObject).
*/
public class RestToXContentListener<Response extends ToXContentObject> extends RestResponseListener<Response> {
public RestToXContentListener(RestChannel channel) {
super(channel);
}
@Override
public final RestResponse buildResponse(Response response) throws Exception {
return buildResponse(response, channel.newBuilder());
}
public RestResponse buildResponse(Response response, XContentBuilder builder) throws Exception {
assert response.isFragment() == false; //would be nice if we could make default methods final
response.toXContent(builder, channel.request());
return new BytesRestResponse(getStatus(response), builder);
}
protected RestStatus getStatus(Response response) {
return RestStatus.OK;
}
}
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