software.amazon.awssdk.services.elastictranscoder.endpoints.internal.DefaultEndpointAuthSchemeStrategy Maven / Gradle / Ivy

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The AWS Java SDK for Amazon Elastic Transcoder module holds the client classes that are used for communicating with Amazon Elastic Transcoder Service

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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.elastictranscoder.endpoints.internal;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import software.amazon.awssdk.awscore.endpoints.authscheme.EndpointAuthScheme;
import software.amazon.awssdk.core.exception.SdkClientException;
import software.amazon.awssdk.utils.Logger;
import software.amazon.awssdk.annotations.SdkInternalApi;

@SdkInternalApi
public final class DefaultEndpointAuthSchemeStrategy implements EndpointAuthSchemeStrategy {
    private static final Logger LOG = Logger.loggerFor(DefaultEndpointAuthSchemeStrategy.class);

    private final Map> knownAuthSchemesMapping;

    public DefaultEndpointAuthSchemeStrategy(Map> knownAuthSchemesMapping) {
        this.knownAuthSchemesMapping = knownAuthSchemesMapping;
    }

    @Override
    public EndpointAuthScheme chooseAuthScheme(List authSchemes) {
        return authSchemes.stream().filter(scheme -> knownAuthSchemesMapping.containsKey(scheme.name())).findFirst()
                .orElseThrow(() -> SdkClientException.create("Endpoint did not contain any known auth schemes: " + authSchemes));
    }

    @Override
    public List createAuthSchemes(Value authSchemesValue) {
        Value.Array schemesArray = authSchemesValue.expectArray();
        List authSchemes = new ArrayList<>();
        for (int i = 0; i < schemesArray.size(); ++i) {
            Value.Record scheme = schemesArray.get(i).expectRecord();
            String authSchemeName = scheme.get(Identifier.of("name")).expectString();
            Function mapper = knownAuthSchemesMapping.get(authSchemeName);
            if (mapper == null) {
                LOG.debug(() -> "Ignoring unknown auth scheme: " + authSchemeName);
                continue;
            }
            authSchemes.add(mapper.apply(scheme));
        }
        return authSchemes;
    }
}