software.amazon.awssdk.protocols.json.internal.marshall.QueryParamMarshaller Maven / Gradle / Ivy

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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 software.amazon.awssdk.protocols.json.internal.marshall;

import java.time.Instant;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.core.SdkField;
import software.amazon.awssdk.core.protocol.MarshallLocation;
import software.amazon.awssdk.core.traits.RequiredTrait;
import software.amazon.awssdk.core.traits.TraitType;
import software.amazon.awssdk.protocols.core.ValueToStringConverter;

@SdkInternalApi
public final class QueryParamMarshaller {

    public static final JsonMarshaller STRING = new SimpleQueryParamMarshaller<>(
        ValueToStringConverter.FROM_STRING);

    public static final JsonMarshaller INTEGER = new SimpleQueryParamMarshaller<>(
        ValueToStringConverter.FROM_INTEGER);

    public static final JsonMarshaller LONG = new SimpleQueryParamMarshaller<>(ValueToStringConverter.FROM_LONG);

    public static final JsonMarshaller SHORT = new SimpleQueryParamMarshaller<>(ValueToStringConverter.FROM_SHORT);

    public static final JsonMarshaller BYTE = new SimpleQueryParamMarshaller<>(ValueToStringConverter.FROM_BYTE);

    public static final JsonMarshaller DOUBLE = new SimpleQueryParamMarshaller<>(
        ValueToStringConverter.FROM_DOUBLE);

    public static final JsonMarshaller FLOAT = new SimpleQueryParamMarshaller<>(
        ValueToStringConverter.FROM_FLOAT);

    public static final JsonMarshaller BOOLEAN = new SimpleQueryParamMarshaller<>(
        ValueToStringConverter.FROM_BOOLEAN);

    public static final JsonMarshaller INSTANT
        = new SimpleQueryParamMarshaller<>(JsonProtocolMarshaller.INSTANT_VALUE_TO_STRING);

    public static final JsonMarshaller> LIST = (list, context, paramName, sdkField) -> {
        for (Object listVal : list) {
            context.marshall(MarshallLocation.QUERY_PARAM, listVal, paramName);
        }
    };

    public static final JsonMarshaller> MAP = (val, context, paramName, sdkField) -> {
        for (Map.Entry mapEntry : val.entrySet()) {
            context.marshall(MarshallLocation.QUERY_PARAM, mapEntry.getValue(), mapEntry.getKey());
        }
    };

    public static final JsonMarshaller NULL = (val, context, paramName, sdkField) -> {
        if (Objects.nonNull(sdkField) && sdkField.containsTrait(RequiredTrait.class, TraitType.REQUIRED_TRAIT)) {
            throw new IllegalArgumentException(String.format("Parameter '%s' must not be null", paramName));
        }
    };

    private QueryParamMarshaller() {
    }

    private static class SimpleQueryParamMarshaller implements JsonMarshaller {

        private final ValueToStringConverter.ValueToString converter;

        private SimpleQueryParamMarshaller(ValueToStringConverter.ValueToString converter) {
            this.converter = converter;
        }

        @Override
        public void marshall(T val, JsonMarshallerContext context, String paramName, SdkField sdkField) {
            context.request().appendRawQueryParameter(paramName, converter.convert(val, sdkField));
        }
    }
}