software.amazon.awssdk.services.kinesisvideosignaling.endpoints.internal.DefaultKinesisVideoSignalingEndpointProvider Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of kinesisvideosignaling Show documentation
The AWS Java SDK for Kinesis Video Signaling module holds the client classes that are used for communicating with Kinesis Video Signaling.
There is a newer version: 2.29.15
Show newest version
/*
 * 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.kinesisvideosignaling.endpoints.internal;

import java.net.URI;
import java.util.concurrent.CompletableFuture;
import software.amazon.awssdk.annotations.Generated;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.core.exception.SdkClientException;
import software.amazon.awssdk.endpoints.Endpoint;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.kinesisvideosignaling.endpoints.KinesisVideoSignalingEndpointParams;
import software.amazon.awssdk.services.kinesisvideosignaling.endpoints.KinesisVideoSignalingEndpointProvider;
import software.amazon.awssdk.utils.CompletableFutureUtils;
import software.amazon.awssdk.utils.Validate;

@Generated("software.amazon.awssdk:codegen")
@SdkInternalApi
public final class DefaultKinesisVideoSignalingEndpointProvider implements KinesisVideoSignalingEndpointProvider {
    @Override
    public CompletableFuture resolveEndpoint(KinesisVideoSignalingEndpointParams params) {
        Validate.notNull(params.useDualStack(), "Parameter 'UseDualStack' must not be null");
        Validate.notNull(params.useFips(), "Parameter 'UseFIPS' must not be null");
        try {
            RuleResult result = endpointRule0(params, new LocalState(params.region()));
            if (result.canContinue()) {
                throw SdkClientException.create("Rule engine did not reach an error or endpoint result");
            }
            if (result.isError()) {
                String errorMsg = result.error();
                if (errorMsg.contains("Invalid ARN") && errorMsg.contains(":s3:::")) {
                    errorMsg += ". Use the bucket name instead of simple bucket ARNs in GetBucketLocationRequest.";
                }
                throw SdkClientException.create(errorMsg);
            }
            return CompletableFuture.completedFuture(result.endpoint());
        } catch (Exception error) {
            return CompletableFutureUtils.failedFuture(error);
        }
    }

    private static RuleResult endpointRule0(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        RuleResult result = endpointRule1(params, locals);
        if (result.isResolved()) {
            return result;
        }
        result = endpointRule5(params, locals);
        if (result.isResolved()) {
            return result;
        }
        return endpointRule20(params, locals);
    }

    private static RuleResult endpointRule1(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (params.endpoint() != null) {
            RuleResult result = endpointRule2(params, locals);
            if (result.isResolved()) {
                return result;
            }
            result = endpointRule3(params, locals);
            if (result.isResolved()) {
                return result;
            }
            return endpointRule4(params, locals);
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule2(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (params.useFips()) {
            return RuleResult.error("Invalid Configuration: FIPS and custom endpoint are not supported");
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule3(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (params.useDualStack()) {
            return RuleResult.error("Invalid Configuration: Dualstack and custom endpoint are not supported");
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule4(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        return RuleResult.endpoint(Endpoint.builder().url(URI.create(params.endpoint())).build());
    }

    private static RuleResult endpointRule5(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (locals.region() != null) {
            return endpointRule6(params, locals);
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule6(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        RulePartition partitionResult = null;
        if ((partitionResult = RulesFunctions.awsPartition(locals.region())) != null) {
            locals = locals.toBuilder().partitionResult(partitionResult).build();
            RuleResult result = endpointRule7(params, locals);
            if (result.isResolved()) {
                return result;
            }
            result = endpointRule11(params, locals);
            if (result.isResolved()) {
                return result;
            }
            result = endpointRule15(params, locals);
            if (result.isResolved()) {
                return result;
            }
            return endpointRule19(params, locals);
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule7(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (params.useFips() && params.useDualStack()) {
            RuleResult result = endpointRule8(params, locals);
            if (result.isResolved()) {
                return result;
            }
            return endpointRule10(params, locals);
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule8(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (locals.partitionResult().supportsFIPS() && locals.partitionResult().supportsDualStack()) {
            return endpointRule9(params, locals);
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule9(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        return RuleResult.endpoint(Endpoint
                .builder()
                .url(URI.create("https://kinesisvideo-fips." + locals.region() + "."
                        + locals.partitionResult().dualStackDnsSuffix())).build());
    }

    private static RuleResult endpointRule10(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        return RuleResult.error("FIPS and DualStack are enabled, but this partition does not support one or both");
    }

    private static RuleResult endpointRule11(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (params.useFips()) {
            RuleResult result = endpointRule12(params, locals);
            if (result.isResolved()) {
                return result;
            }
            return endpointRule14(params, locals);
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule12(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (locals.partitionResult().supportsFIPS()) {
            return endpointRule13(params, locals);
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule13(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        return RuleResult.endpoint(Endpoint.builder()
                .url(URI.create("https://kinesisvideo-fips." + locals.region() + "." + locals.partitionResult().dnsSuffix()))
                .build());
    }

    private static RuleResult endpointRule14(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        return RuleResult.error("FIPS is enabled but this partition does not support FIPS");
    }

    private static RuleResult endpointRule15(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (params.useDualStack()) {
            RuleResult result = endpointRule16(params, locals);
            if (result.isResolved()) {
                return result;
            }
            return endpointRule18(params, locals);
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule16(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        if (locals.partitionResult().supportsDualStack()) {
            return endpointRule17(params, locals);
        }
        return RuleResult.carryOn();
    }

    private static RuleResult endpointRule17(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        return RuleResult.endpoint(Endpoint.builder()
                .url(URI.create("https://kinesisvideo." + locals.region() + "." + locals.partitionResult().dualStackDnsSuffix()))
                .build());
    }

    private static RuleResult endpointRule18(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        return RuleResult.error("DualStack is enabled but this partition does not support DualStack");
    }

    private static RuleResult endpointRule19(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        return RuleResult.endpoint(Endpoint.builder()
                .url(URI.create("https://kinesisvideo." + locals.region() + "." + locals.partitionResult().dnsSuffix())).build());
    }

    private static RuleResult endpointRule20(KinesisVideoSignalingEndpointParams params, LocalState locals) {
        return RuleResult.error("Invalid Configuration: Missing Region");
    }

    @Override
    public boolean equals(Object rhs) {
        return rhs != null && getClass().equals(rhs.getClass());
    }

    @Override
    public int hashCode() {
        return getClass().hashCode();
    }

    private static final class LocalState {
        private final String region;

        private final RulePartition partitionResult;

        LocalState() {
            this.region = null;
            this.partitionResult = null;
        }

        LocalState(Region region) {
            if (region != null) {
                this.region = region.id();
            } else {
                this.region = null;
            }
            this.partitionResult = null;
        }

        LocalState(LocalStateBuilder builder) {
            this.region = builder.region;
            this.partitionResult = builder.partitionResult;
        }

        public String region() {
            return this.region;
        }

        public RulePartition partitionResult() {
            return this.partitionResult;
        }

        public LocalStateBuilder toBuilder() {
            return new LocalStateBuilder(this);
        }
    }

    private static final class LocalStateBuilder {
        private String region;

        private RulePartition partitionResult;

        LocalStateBuilder() {
            this.region = null;
            this.partitionResult = null;
        }

        LocalStateBuilder(LocalState locals) {
            this.region = locals.region;
            this.partitionResult = locals.partitionResult;
        }

        public LocalStateBuilder region(String value) {
            this.region = value;
            return this;
        }

        public LocalStateBuilder partitionResult(RulePartition value) {
            this.partitionResult = value;
            return this;
        }

        LocalState build() {
            return new LocalState(this);
        }
    }
}