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RestGetSearchTemplateAction.java
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RestGetSearchTemplateAction.java
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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.template;
import org.elasticsearch.ElasticsearchIllegalStateException;
import org.elasticsearch.action.indexedscripts.get.GetIndexedScriptRequest;
import org.elasticsearch.action.indexedscripts.get.GetIndexedScriptResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestResponseListener;
import java.io.IOException;
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 RestGetSearchTemplateAction extends BaseRestHandler {
@Inject
public RestGetSearchTemplateAction(Settings settings, Client client, RestController controller) {
super(settings, client);
controller.registerHandler(GET, "/_search/template/{id}", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, Client client) {
final GetIndexedScriptRequest getRequest = new GetIndexedScriptRequest("mustache", request.param("id"));
RestResponseListener<GetIndexedScriptResponse> responseListener = new RestResponseListener<GetIndexedScriptResponse>(channel) {
@Override
public RestResponse buildResponse(GetIndexedScriptResponse response) throws Exception {
XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
if (!response.isExists()) {
return new BytesRestResponse(NOT_FOUND, builder);
} else {
try{
String templateString = response.getScript();
builder.startObject();
builder.field("template",templateString);
builder.endObject();
return new BytesRestResponse(OK, builder);
} catch( IOException|ClassCastException e ){
throw new ElasticsearchIllegalStateException("Unable to parse " + response.getScript() + " as json",e);
}
}
}
};
client.getIndexedScript(getRequest, responseListener);
}
}