software.amazon.awssdk.services.apigateway.DefaultApiGatewayBaseClientBuilder Maven / Gradle / Ivy

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The AWS Java SDK for Amazon API Gateway module holds the client classes that are used for communicating with Amazon API Gateway
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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.services.apigateway;

import java.util.ArrayList;
import java.util.List;
import software.amazon.awssdk.annotations.Generated;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.auth.signer.Aws4Signer;
import software.amazon.awssdk.awscore.client.builder.AwsDefaultClientBuilder;
import software.amazon.awssdk.core.client.config.SdkAdvancedClientOption;
import software.amazon.awssdk.core.client.config.SdkClientConfiguration;
import software.amazon.awssdk.core.client.config.SdkClientOption;
import software.amazon.awssdk.core.interceptor.ClasspathInterceptorChainFactory;
import software.amazon.awssdk.core.interceptor.ExecutionInterceptor;
import software.amazon.awssdk.core.signer.Signer;
import software.amazon.awssdk.services.apigateway.endpoints.ApiGatewayEndpointProvider;
import software.amazon.awssdk.services.apigateway.endpoints.internal.ApiGatewayEndpointAuthSchemeInterceptor;
import software.amazon.awssdk.services.apigateway.endpoints.internal.ApiGatewayRequestSetEndpointInterceptor;
import software.amazon.awssdk.services.apigateway.endpoints.internal.ApiGatewayResolveEndpointInterceptor;
import software.amazon.awssdk.services.apigateway.internal.AcceptJsonInterceptor;
import software.amazon.awssdk.utils.CollectionUtils;
import software.amazon.awssdk.utils.Validate;

/**
 * Internal base class for {@link DefaultApiGatewayClientBuilder} and {@link DefaultApiGatewayAsyncClientBuilder}.
 */
@Generated("software.amazon.awssdk:codegen")
@SdkInternalApi
abstract class DefaultApiGatewayBaseClientBuilder, C> extends
        AwsDefaultClientBuilder {
    @Override
    protected final String serviceEndpointPrefix() {
        return "apigateway";
    }

    @Override
    protected final String serviceName() {
        return "ApiGateway";
    }

    @Override
    protected final SdkClientConfiguration mergeServiceDefaults(SdkClientConfiguration config) {
        return config.merge(c -> c.option(SdkClientOption.ENDPOINT_PROVIDER, defaultEndpointProvider())
                .option(SdkAdvancedClientOption.SIGNER, defaultSigner())
                .option(SdkClientOption.CRC32_FROM_COMPRESSED_DATA_ENABLED, false));
    }

    @Override
    protected final SdkClientConfiguration finalizeServiceConfiguration(SdkClientConfiguration config) {
        List endpointInterceptors = new ArrayList<>();
        endpointInterceptors.add(new ApiGatewayResolveEndpointInterceptor());
        endpointInterceptors.add(new ApiGatewayEndpointAuthSchemeInterceptor());
        endpointInterceptors.add(new ApiGatewayRequestSetEndpointInterceptor());
        endpointInterceptors.add(new AcceptJsonInterceptor());
        ClasspathInterceptorChainFactory interceptorFactory = new ClasspathInterceptorChainFactory();
        List interceptors = interceptorFactory
                .getInterceptors("software/amazon/awssdk/services/apigateway/execution.interceptors");
        List additionalInterceptors = new ArrayList<>();
        interceptors = CollectionUtils.mergeLists(endpointInterceptors, interceptors);
        interceptors = CollectionUtils.mergeLists(interceptors, additionalInterceptors);
        interceptors = CollectionUtils.mergeLists(interceptors, config.option(SdkClientOption.EXECUTION_INTERCEPTORS));
        return config.toBuilder().option(SdkClientOption.EXECUTION_INTERCEPTORS, interceptors).build();
    }

    private Signer defaultSigner() {
        return Aws4Signer.create();
    }

    @Override
    protected final String signingName() {
        return "apigateway";
    }

    private ApiGatewayEndpointProvider defaultEndpointProvider() {
        return ApiGatewayEndpointProvider.defaultProvider();
    }

    protected static void validateClientOptions(SdkClientConfiguration c) {
        Validate.notNull(c.option(SdkAdvancedClientOption.SIGNER),
                "The 'overrideConfiguration.advancedOption[SIGNER]' must be configured in the client builder.");
    }
}