/*
* 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.admin.indices.template.get;
import com.google.common.collect.Maps;
import org.elasticsearch.action.admin.indices.template.get.GetIndexTemplatesRequest;
import org.elasticsearch.action.admin.indices.template.get.GetIndexTemplatesResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.metadata.IndexTemplateMetaData;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestBuilderListener;
import java.util.Map;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestStatus.NOT_FOUND;
import static org.elasticsearch.rest.RestStatus.OK;
/**
*
*/
public class RestGetIndexTemplateAction extends BaseRestHandler {
@Inject
public RestGetIndexTemplateAction(Settings settings, RestController controller, Client client) {
super(settings, controller, client);
controller.registerHandler(GET, "/_template", this);
controller.registerHandler(GET, "/_template/{name}", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
final String[] names = Strings.splitStringByCommaToArray(request.param("name"));
GetIndexTemplatesRequest getIndexTemplatesRequest = new GetIndexTemplatesRequest(names);
getIndexTemplatesRequest.local(request.paramAsBoolean("local", getIndexTemplatesRequest.local()));
getIndexTemplatesRequest.masterNodeTimeout(request.paramAsTime("master_timeout", getIndexTemplatesRequest.masterNodeTimeout()));
final boolean implicitAll = getIndexTemplatesRequest.names().length == 0;
client.admin().indices().getTemplates(getIndexTemplatesRequest, new RestBuilderListener<GetIndexTemplatesResponse>(channel) {
@Override
public RestResponse buildResponse(GetIndexTemplatesResponse getIndexTemplatesResponse, XContentBuilder builder) throws Exception {
boolean templateExists = getIndexTemplatesResponse.getIndexTemplates().size() > 0;
Map<String, String> paramsMap = Maps.newHashMap();
paramsMap.put("reduce_mappings", "true");
ToXContent.Params params = new ToXContent.DelegatingMapParams(paramsMap, request);
builder.startObject();
for (IndexTemplateMetaData indexTemplateMetaData : getIndexTemplatesResponse.getIndexTemplates()) {
IndexTemplateMetaData.Builder.toXContent(indexTemplateMetaData, builder, params);
}
builder.endObject();
RestStatus restStatus = (templateExists || implicitAll) ? OK : NOT_FOUND;
return new BytesRestResponse(restStatus, builder);
}
});
}
}