software.amazon.awssdk.services.swf.endpoints.internal.ParseArn Maven / Gradle / Ivy

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The AWS Java SDK for Amazon SWF module holds the client classes that are used for communicating with Amazon Simple Workflow 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.swf.endpoints.internal;

import java.util.Optional;
import java.util.stream.Collectors;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.utils.MapUtils;

@SdkInternalApi
public class ParseArn extends SingleArgFn {
    public static final String ID = "aws.parseArn";
    public static final Identifier PARTITION = Identifier.of("partition");
    public static final Identifier SERVICE = Identifier.of("service");
    public static final Identifier REGION = Identifier.of("region");
    public static final Identifier ACCOUNT_ID = Identifier.of("accountId");
    private static final Identifier RESOURCE_ID = Identifier.of("resourceId");

    public ParseArn(FnNode fnNode) {
        super(fnNode);
    }

    @Override
    public  T acceptFnVisitor(FnVisitor visitor) {
        return visitor.visitParseArn(this);
    }

    public static ParseArn ofExprs(Expr expr) {
        return new ParseArn(FnNode.ofExprs(ID, expr));
    }

    @Override
    protected Value evalArg(Value arg) {
        String value = arg.expectString();
        Optional arnOpt = Arn.parse(value);
        return arnOpt
                .map(arn -> (Value) Value.fromRecord(MapUtils.of(PARTITION, Value.fromStr(arn.partition()), SERVICE,
                        Value.fromStr(arn.service()), REGION, Value.fromStr(arn.region()), ACCOUNT_ID,
                        Value.fromStr(arn.accountId()), RESOURCE_ID,
                        Value.fromArray(arn.resource().stream().map(v -> (Value) Value.fromStr(v)).collect(Collectors.toList())))))
                .orElse(new Value.None());
    }
}