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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
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package org.elasticsearch.rest.action.admin.indices;
import org.elasticsearch.action.admin.indices.settings.put.UpdateSettingsRequest;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.action.AcknowledgedRestListener;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import static org.elasticsearch.client.Requests.updateSettingsRequest;
public class RestUpdateSettingsAction extends BaseRestHandler {
public RestUpdateSettingsAction(Settings settings, RestController controller) {
super(settings);
controller.registerHandler(RestRequest.Method.PUT, "/{index}/_settings", this);
controller.registerHandler(RestRequest.Method.PUT, "/_settings", this);
}
@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
UpdateSettingsRequest updateSettingsRequest = updateSettingsRequest(Strings.splitStringByCommaToArray(request.param("index")));
updateSettingsRequest.timeout(request.paramAsTime("timeout", updateSettingsRequest.timeout()));
updateSettingsRequest.setPreserveExisting(request.paramAsBoolean("preserve_existing", updateSettingsRequest.isPreserveExisting()));
updateSettingsRequest.masterNodeTimeout(request.paramAsTime("master_timeout", updateSettingsRequest.masterNodeTimeout()));
updateSettingsRequest.indicesOptions(IndicesOptions.fromRequest(request, updateSettingsRequest.indicesOptions()));
Map<String, Object> settings = new HashMap<>();
if (request.hasContent()) {
try (XContentParser parser = request.contentParser()) {
Map<String, Object> bodySettings = parser.map();
Object innerBodySettings = bodySettings.get("settings");
// clean up in case the body is wrapped with "settings" : { ... }
if (innerBodySettings instanceof Map) {
@SuppressWarnings("unchecked")
Map<String, Object> innerBodySettingsMap = (Map<String, Object>) innerBodySettings;
settings.putAll(innerBodySettingsMap);
} else {
settings.putAll(bodySettings);
}
}
}
updateSettingsRequest.settings(settings);
return channel -> client.admin().indices().updateSettings(updateSettingsRequest, new AcknowledgedRestListener<>(channel));
}
@Override
protected Set<String> responseParams() {
return Settings.FORMAT_PARAMS;
}
}