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RESTHeart MongoDB - GraphQL plugin
There is a newer version: 8.1.5
/*-
 * ========================LICENSE_START=================================
 * restheart-graphql
 * %%
 * Copyright (C) 2020 - 2024 SoftInstigate
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see .
 * =========================LICENSE_END==================================
 */
package org.restheart.graphql.scalars;
import graphql.schema.GraphQLScalarType;
import org.restheart.graphql.scalars.bsonCoercing.*;

import java.util.HashMap;
import java.util.Map;
import java.util.Set;

import com.google.common.collect.Sets;


public class BsonScalars {

    public static final GraphQLScalarType GraphQLBsonObjectId = GraphQLScalarType.newScalar()
            .name("ObjectId").description("BSON ObjectId scalar").coercing(new GraphQLBsonObjectIdCoercing()).build();

    public static final GraphQLScalarType GraphQLBsonDecimal128 = GraphQLScalarType.newScalar()
            .name("Decimal128").description("BSON Decimal128 scalar").coercing(new GraphQLBsonDecimal128Coercing()).build();

    public static final GraphQLScalarType GraphQLBsonTimestamp = GraphQLScalarType.newScalar()
            .name("Timestamp").description("BSON Timestamp scalar").coercing(new GraphQLBsonTimestampCoercing()).build();

    public static final GraphQLScalarType GraphQLBsonDocument = GraphQLScalarType.newScalar()
            .name("BsonDocument").description("BSON Document scalar").coercing(new GraphQLBsonDocumentCoercing()).build();

    public static final GraphQLScalarType GraphQLBsonDate = GraphQLScalarType.newScalar()
            .name("DateTime").description("BSON DateTime scalar").coercing(new GraphQLBsonDateCoercing()).build();

    public static final GraphQLScalarType GraphQLBsonRegularExpression = GraphQLScalarType.newScalar()
            .name("Regex").description("Bson regular expression scalar").coercing(new GraphQLBsonRegexCoercing()).build();

    public static final GraphQLScalarType GraphQLBsonInt64 = GraphQLScalarType.newScalar()
            .name("Long").description("BSON Int64 scalar (Long)").coercing(new GraphQLBsonInt64Coercing()).build();

    public static final Set BSON_SCALARS = Sets.newHashSet(
        GraphQLBsonDocument,
        GraphQLBsonObjectId,
        GraphQLBsonDecimal128,
        GraphQLBsonTimestamp,
        GraphQLBsonDate,
        GraphQLBsonRegularExpression,
        GraphQLBsonInt64
    );

    public static Map getBsonScalars(){
        var bsonScalars = new HashMap ();
        for(var scalar: BSON_SCALARS){
            bsonScalars.put(scalar.getName(), scalar);
        }
        return bsonScalars;
    }

    public static String getBsonScalarHeader(){
        var header = "";
        for (var scalar: BSON_SCALARS){
            header += "scalar " + scalar.getName() +" ";
        }
        return header;
    }
}