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• HeaderMarshallers.java

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com.amazonaws.protocol.json.internal.HeaderMarshallers Maven / Gradle / Ivy

/*
 * 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.MarshallingInfo;
import com.amazonaws.util.StringUtils;
import com.amazonaws.util.TimestampFormat;
import java.util.Date;

@SdkInternalApi
public class HeaderMarshallers {

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

    public static final JsonMarshaller JSON_VALUE = new SimpleHeaderMarshaller(
            ValueToStringConverters.FROM_JSON_VALUE_HEADER);

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

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

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

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

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

    public static final JsonMarshaller DATE = new SimpleHeaderMarshaller(ValueToStringConverters.FROM_DATE) {
        @Override
        public void marshall(Date val, JsonMarshallerContext context, MarshallingInfo marshallingInfo) {
            TimestampFormat timestampFormat = marshallingInfo.timestampFormat();
            if (TimestampFormat.UNKNOWN.equals(timestampFormat)) {
                timestampFormat = TimestampFormat.ISO_8601;
            }
            context.request().addHeader(marshallingInfo.marshallLocationName(), StringUtils.fromDate(val, timestampFormat.getFormat()));
        }
    };

    private static class SimpleHeaderMarshaller implements JsonMarshaller {

        private final ValueToStringConverters.ValueToString converter;

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

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

}