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OpenSearch subproject :modules:lang-mustache
/*
* 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.script.mustache;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.common.xcontent.StatusToXContentObject;
import org.opensearch.core.ParseField;
import org.opensearch.core.action.ActionResponse;
import org.opensearch.core.common.bytes.BytesReference;
import org.opensearch.core.common.io.stream.StreamInput;
import org.opensearch.core.common.io.stream.StreamOutput;
import org.opensearch.core.rest.RestStatus;
import org.opensearch.core.xcontent.MediaType;
import org.opensearch.core.xcontent.MediaTypeRegistry;
import org.opensearch.core.xcontent.XContentBuilder;
import org.opensearch.core.xcontent.XContentParser;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
public class SearchTemplateResponse extends ActionResponse implements StatusToXContentObject {
public static ParseField TEMPLATE_OUTPUT_FIELD = new ParseField("template_output");
/** Contains the source of the rendered template **/
private BytesReference source;
/** Contains the search response, if any **/
private SearchResponse response;
SearchTemplateResponse() {}
SearchTemplateResponse(StreamInput in) throws IOException {
super(in);
source = in.readOptionalBytesReference();
response = in.readOptionalWriteable(SearchResponse::new);
}
public BytesReference getSource() {
return source;
}
public void setSource(BytesReference source) {
this.source = source;
}
public SearchResponse getResponse() {
return response;
}
public void setResponse(SearchResponse searchResponse) {
this.response = searchResponse;
}
public boolean hasResponse() {
return response != null;
}
@Override
public String toString() {
return "SearchTemplateResponse [source=" + source + ", response=" + response + "]";
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeOptionalBytesReference(source);
out.writeOptionalWriteable(response);
}
public static SearchTemplateResponse fromXContent(XContentParser parser) throws IOException {
SearchTemplateResponse searchTemplateResponse = new SearchTemplateResponse();
Map contentAsMap = parser.map();
if (contentAsMap.containsKey(TEMPLATE_OUTPUT_FIELD.getPreferredName())) {
Object source = contentAsMap.get(TEMPLATE_OUTPUT_FIELD.getPreferredName());
XContentBuilder builder = MediaTypeRegistry.contentBuilder(MediaTypeRegistry.JSON).value(source);
searchTemplateResponse.setSource(BytesReference.bytes(builder));
} else {
MediaType contentType = parser.contentType();
XContentBuilder builder = MediaTypeRegistry.contentBuilder(contentType).map(contentAsMap);
XContentParser searchResponseParser = contentType.xContent()
.createParser(parser.getXContentRegistry(), parser.getDeprecationHandler(), BytesReference.bytes(builder).streamInput());
SearchResponse searchResponse = SearchResponse.fromXContent(searchResponseParser);
searchTemplateResponse.setResponse(searchResponse);
}
return searchTemplateResponse;
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
if (hasResponse()) {
response.toXContent(builder, params);
} else {
builder.startObject();
// we can assume the template is always json as we convert it before compiling it
try (InputStream stream = source.streamInput()) {
builder.rawField(TEMPLATE_OUTPUT_FIELD.getPreferredName(), stream, MediaTypeRegistry.JSON);
}
builder.endObject();
}
return builder;
}
@Override
public RestStatus status() {
if (hasResponse()) {
return response.status();
} else {
return RestStatus.OK;
}
}
}