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

/*
 * 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 software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.core.protocol.MarshallLocation;
import software.amazon.awssdk.core.protocol.MarshallingType;
import software.amazon.awssdk.protocols.core.AbstractMarshallingRegistry;

/**
 * Marshaller registry for JSON based protocols.
 */
@SdkInternalApi
public final class JsonMarshallerRegistry extends AbstractMarshallingRegistry {

    private JsonMarshallerRegistry(Builder builder) {
        super(builder);
    }

    @SuppressWarnings("unchecked")
    public  JsonMarshaller getMarshaller(MarshallLocation marshallLocation, T val) {
        return (JsonMarshaller) get(marshallLocation, toMarshallingType(val));
    }

    @SuppressWarnings("unchecked")
    public  JsonMarshaller getMarshaller(MarshallLocation marshallLocation,
                                                    MarshallingType marshallingType,
                                                    Object val) {
        return (JsonMarshaller) get(marshallLocation,
                                                      val == null ? MarshallingType.NULL : marshallingType);
    }

    /**
     * @return Builder instance to construct a {@link JsonMarshallerRegistry}.
     */
    public static Builder builder() {
        return new Builder();
    }

    /**
     * Builder for a {@link JsonMarshallerRegistry}.
     */
    public static final class Builder extends AbstractMarshallingRegistry.Builder {

        private Builder() {
        }

        public  Builder payloadMarshaller(MarshallingType marshallingType,
                                             JsonMarshaller marshaller) {
            register(MarshallLocation.PAYLOAD, marshallingType, marshaller);
            return this;
        }

        public  Builder headerMarshaller(MarshallingType marshallingType,
                                            JsonMarshaller marshaller) {
            register(MarshallLocation.HEADER, marshallingType, marshaller);
            return this;
        }

        public  Builder queryParamMarshaller(MarshallingType marshallingType,
                                                JsonMarshaller marshaller) {
            register(MarshallLocation.QUERY_PARAM, marshallingType, marshaller);
            return this;
        }

        public  Builder pathParamMarshaller(MarshallingType marshallingType,
                                               JsonMarshaller marshaller) {
            register(MarshallLocation.PATH, marshallingType, marshaller);
            return this;
        }

        public  Builder greedyPathParamMarshaller(MarshallingType marshallingType,
                                                     JsonMarshaller marshaller) {
            register(MarshallLocation.GREEDY_PATH, marshallingType, marshaller);
            return this;
        }

        /**
         * @return An immutable {@link JsonMarshallerRegistry} object.
         */
        public JsonMarshallerRegistry build() {
            return new JsonMarshallerRegistry(this);
        }
    }
}