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/*
* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* 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.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/
package org.opensearch.rest.action.document;
import org.opensearch.action.termvectors.TermVectorsRequest;
import org.opensearch.client.node.NodeClient;
import org.opensearch.common.Strings;
import org.opensearch.common.logging.DeprecationLogger;
import org.opensearch.common.xcontent.XContentParser;
import org.opensearch.index.VersionType;
import org.opensearch.index.mapper.MapperService;
import org.opensearch.rest.BaseRestHandler;
import org.opensearch.rest.RestRequest;
import org.opensearch.rest.action.RestActions;
import org.opensearch.rest.action.RestToXContentListener;
import java.io.IOException;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableList;
import static org.opensearch.rest.RestRequest.Method.GET;
import static org.opensearch.rest.RestRequest.Method.POST;
/**
* This class parses the json request and translates it into a
* TermVectorsRequest.
*/
public class RestTermVectorsAction extends BaseRestHandler {
private static final DeprecationLogger deprecationLogger = DeprecationLogger.getLogger(RestTermVectorsAction.class);
public static final String TYPES_DEPRECATION_MESSAGE = "[types removal] " + "Specifying types in term vector requests is deprecated.";
@Override
public List routes() {
return unmodifiableList(
asList(
new Route(GET, "/{index}/_termvectors"),
new Route(POST, "/{index}/_termvectors"),
new Route(GET, "/{index}/_termvectors/{id}"),
new Route(POST, "/{index}/_termvectors/{id}"),
// Deprecated typed endpoints.
new Route(GET, "/{index}/{type}/_termvectors"),
new Route(POST, "/{index}/{type}/_termvectors"),
new Route(GET, "/{index}/{type}/{id}/_termvectors"),
new Route(POST, "/{index}/{type}/{id}/_termvectors")
)
);
}
@Override
public String getName() {
return "document_term_vectors_action";
}
@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
TermVectorsRequest termVectorsRequest;
if (request.hasParam("type")) {
deprecationLogger.deprecate("termvectors_with_types", TYPES_DEPRECATION_MESSAGE);
termVectorsRequest = new TermVectorsRequest(request.param("index"), request.param("type"), request.param("id"));
} else {
termVectorsRequest = new TermVectorsRequest(request.param("index"), MapperService.SINGLE_MAPPING_NAME, request.param("id"));
}
if (request.hasContentOrSourceParam()) {
try (XContentParser parser = request.contentOrSourceParamParser()) {
TermVectorsRequest.parseRequest(termVectorsRequest, parser);
}
}
readURIParameters(termVectorsRequest, request);
return channel -> client.termVectors(termVectorsRequest, new RestToXContentListener<>(channel));
}
public static void readURIParameters(TermVectorsRequest termVectorsRequest, RestRequest request) {
String fields = request.param("fields");
addFieldStringsFromParameter(termVectorsRequest, fields);
termVectorsRequest.offsets(request.paramAsBoolean("offsets", termVectorsRequest.offsets()));
termVectorsRequest.positions(request.paramAsBoolean("positions", termVectorsRequest.positions()));
termVectorsRequest.payloads(request.paramAsBoolean("payloads", termVectorsRequest.payloads()));
termVectorsRequest.routing(request.param("routing"));
termVectorsRequest.realtime(request.paramAsBoolean("realtime", termVectorsRequest.realtime()));
termVectorsRequest.version(RestActions.parseVersion(request, termVectorsRequest.version()));
termVectorsRequest.versionType(VersionType.fromString(request.param("version_type"), termVectorsRequest.versionType()));
termVectorsRequest.preference(request.param("preference"));
termVectorsRequest.termStatistics(request.paramAsBoolean("termStatistics", termVectorsRequest.termStatistics()));
termVectorsRequest.termStatistics(request.paramAsBoolean("term_statistics", termVectorsRequest.termStatistics()));
termVectorsRequest.fieldStatistics(request.paramAsBoolean("fieldStatistics", termVectorsRequest.fieldStatistics()));
termVectorsRequest.fieldStatistics(request.paramAsBoolean("field_statistics", termVectorsRequest.fieldStatistics()));
}
public static void addFieldStringsFromParameter(TermVectorsRequest termVectorsRequest, String fields) {
Set selectedFields = termVectorsRequest.selectedFields();
if (fields != null) {
String[] paramFieldStrings = Strings.commaDelimitedListToStringArray(fields);
for (String field : paramFieldStrings) {
if (selectedFields == null) {
selectedFields = new HashSet<>();
}
if (!selectedFields.contains(field)) {
field = field.replaceAll("\\s", "");
selectedFields.add(field);
}
}
}
if (selectedFields != null) {
termVectorsRequest.selectedFields(selectedFields.toArray(new String[selectedFields.size()]));
}
}
}