org.elasticsearch.rest.action.admin.indices.template.head.RestHeadIndexTemplateAction Maven / Gradle / Ivy
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.rest.action.admin.indices.template.head;
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.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestResponseListener;
import static org.elasticsearch.rest.RestRequest.Method.HEAD;
import static org.elasticsearch.rest.RestStatus.NOT_FOUND;
import static org.elasticsearch.rest.RestStatus.OK;
/**
*
*/
public class RestHeadIndexTemplateAction extends BaseRestHandler {
@Inject
public RestHeadIndexTemplateAction(Settings settings, RestController controller, Client client) {
super(settings, controller, client);
controller.registerHandler(HEAD, "/_template/{name}", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
GetIndexTemplatesRequest getIndexTemplatesRequest = new GetIndexTemplatesRequest(request.param("name"));
getIndexTemplatesRequest.local(request.paramAsBoolean("local", getIndexTemplatesRequest.local()));
getIndexTemplatesRequest.masterNodeTimeout(request.paramAsTime("master_timeout", getIndexTemplatesRequest.masterNodeTimeout()));
client.admin().indices().getTemplates(getIndexTemplatesRequest, new RestResponseListener(channel) {
@Override
public RestResponse buildResponse(GetIndexTemplatesResponse getIndexTemplatesResponse) {
boolean templateExists = getIndexTemplatesResponse.getIndexTemplates().size() > 0;
if (templateExists) {
return new BytesRestResponse(OK);
} else {
return new BytesRestResponse(NOT_FOUND);
}
}
});
}
}