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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.script;
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.XContentBuilderString;
import org.elasticsearch.index.VersionType;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestBuilderListener;
import static org.elasticsearch.rest.RestRequest.Method.GET;
/**
*
*/
public class RestGetIndexedScriptAction extends BaseRestHandler {
@Inject
public RestGetIndexedScriptAction(Settings settings, RestController controller, Client client) {
this(settings, controller, true, client);
}
protected RestGetIndexedScriptAction(Settings settings, RestController controller, boolean registerDefaultHandlers, Client client) {
super(settings, controller, client);
if (registerDefaultHandlers) {
controller.registerHandler(GET, "/_scripts/{lang}/{id}", this);
}
}
protected XContentBuilderString getScriptFieldName() {
return Fields.SCRIPT;
}
protected String getScriptLang(RestRequest request) {
return request.param("lang");
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, Client client) {
final GetIndexedScriptRequest getRequest = new GetIndexedScriptRequest(getScriptLang(request), request.param("id"));
getRequest.version(request.paramAsLong("version", getRequest.version()));
getRequest.versionType(VersionType.fromString(request.param("version_type"), getRequest.versionType()));
client.getIndexedScript(getRequest, new RestBuilderListener<GetIndexedScriptResponse>(channel) {
@Override
public RestResponse buildResponse(GetIndexedScriptResponse response, XContentBuilder builder) throws Exception {
builder.startObject();
builder.field(Fields.LANG, response.getScriptLang());
builder.field(Fields._ID, response.getId());
builder.field(Fields.FOUND, response.isExists());
RestStatus status = RestStatus.NOT_FOUND;
if (response.isExists()) {
builder.field(Fields._VERSION, response.getVersion());
builder.field(getScriptFieldName(), response.getScript());
status = RestStatus.OK;
}
builder.endObject();
return new BytesRestResponse(status, builder);
}
});
}
private static final class Fields {
private static final XContentBuilderString SCRIPT = new XContentBuilderString("script");
private static final XContentBuilderString LANG = new XContentBuilderString("lang");
private static final XContentBuilderString _ID = new XContentBuilderString("_id");
private static final XContentBuilderString _VERSION = new XContentBuilderString("_version");
private static final XContentBuilderString FOUND = new XContentBuilderString("found");
}
}
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