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/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */
package org.elasticsearch.client.ml.inference;

import org.elasticsearch.xcontent.ToXContent;
import org.elasticsearch.xcontent.XContentBuilder;

import java.io.IOException;
import java.util.List;

public final class NamedXContentObjectHelper {

    private NamedXContentObjectHelper() {}

    public static XContentBuilder writeNamedObjects(
        XContentBuilder builder,
        ToXContent.Params params,
        boolean useExplicitOrder,
        String namedObjectsName,
        List namedObjects
    ) throws IOException {
        if (useExplicitOrder) {
            builder.startArray(namedObjectsName);
        } else {
            builder.startObject(namedObjectsName);
        }
        for (NamedXContentObject object : namedObjects) {
            if (useExplicitOrder) {
                builder.startObject();
            }
            builder.field(object.getName(), object, params);
            if (useExplicitOrder) {
                builder.endObject();
            }
        }
        if (useExplicitOrder) {
            builder.endArray();
        } else {
            builder.endObject();
        }
        return builder;
    }

    public static XContentBuilder writeNamedObject(
        XContentBuilder builder,
        ToXContent.Params params,
        String namedObjectName,
        NamedXContentObject namedObject
    ) throws IOException {
        builder.startObject(namedObjectName);
        builder.field(namedObject.getName(), namedObject, params);
        builder.endObject();
        return builder;
    }
}