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The AWS SDK for Java - Core module holds the classes that are used by the individual service clients to interact with Amazon Web Services. Users need to depend on aws-java-sdk artifact for accessing individual client classes.

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/*
 * Copyright 2011-2024 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 com.amazonaws.protocol.json.internal;

import com.amazonaws.annotation.SdkInternalApi;
import com.amazonaws.protocol.MarshallLocation;

import com.amazonaws.protocol.MarshallingInfo;
import com.amazonaws.util.StringUtils;
import com.amazonaws.util.TimestampFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;

@SdkInternalApi
public class QueryParamMarshallers {

    public static final JsonMarshaller STRING = new SimpleQueryParamMarshaller(
            ValueToStringConverters.FROM_STRING);

    public static final JsonMarshaller INTEGER = new SimpleQueryParamMarshaller(
            ValueToStringConverters.FROM_INTEGER);

    public static final JsonMarshaller LONG = new SimpleQueryParamMarshaller(ValueToStringConverters.FROM_LONG);

    public static final JsonMarshaller SHORT = new SimpleQueryParamMarshaller(ValueToStringConverters.FROM_SHORT);

    public static final JsonMarshaller DOUBLE = new SimpleQueryParamMarshaller(
            ValueToStringConverters.FROM_DOUBLE);

    public static final JsonMarshaller FLOAT = new SimpleQueryParamMarshaller(
            ValueToStringConverters.FROM_FLOAT);

    public static final JsonMarshaller BOOLEAN = new SimpleQueryParamMarshaller(
            ValueToStringConverters.FROM_BOOLEAN);

    public static final JsonMarshaller DATE = new SimpleQueryParamMarshaller(ValueToStringConverters.FROM_DATE) {
        @Override
        public void marshall(Date val, JsonMarshallerContext context, MarshallingInfo marshallingInfo) {
            TimestampFormat timestampFormat = marshallingInfo.timestampFormat();
            context.request().addParameter(marshallingInfo.marshallLocationName(), StringUtils.fromDate(val, timestampFormat.getFormat()));
        }
    };

    public static final JsonMarshaller LIST = new JsonMarshaller() {
        @Override
        public void marshall(List list, JsonMarshallerContext context, MarshallingInfo marshallingInfo) {
            for (Object listVal : list) {
                context.marshall(MarshallLocation.QUERY_PARAM, listVal, marshallingInfo);
            }
        }
    };

    public static final JsonMarshaller MAP = new JsonMarshaller() {

        @Override
        public void marshall(Map val, JsonMarshallerContext context, MarshallingInfo mapMarshallingInfo) {
            for (Map.Entry mapEntry : ((Map) val).entrySet()) {
                context.marshall(MarshallLocation.QUERY_PARAM, mapEntry.getValue(), mapEntry.getKey());
            }
        }
    };

    private static class SimpleQueryParamMarshaller implements JsonMarshaller {

        private final ValueToStringConverters.ValueToString converter;

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

        @Override
        public void marshall(T val, JsonMarshallerContext context, MarshallingInfo marshallingInfo) {
            context.request().addParameter(marshallingInfo.marshallLocationName(), converter.convert(val));
        }
    }
}