com.amazonaws.endpointdiscovery.SystemPropertyEndpointDiscoveryProvider Maven / Gradle / Ivy

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The AWS SDK for Java - Core module holds the classes that are used by the individual service clients to interact with Amazon Web Services. Users need to depend on aws-java-sdk artifact for accessing individual client classes.

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/*
 * Copyright 2010-2019 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 com.amazonaws.endpointdiscovery;

import static com.amazonaws.endpointdiscovery.Constants.ENDPOINT_DISCOVERY_SYSTEM_PROPERTY;

public class SystemPropertyEndpointDiscoveryProvider implements EndpointDiscoveryProvider {
    @Override
    public Boolean endpointDiscoveryEnabled() {
        Boolean endpointDiscoveryEnabled = null;

        String endpointDiscoveryEnabledString = System.getProperty(ENDPOINT_DISCOVERY_SYSTEM_PROPERTY);

        if (endpointDiscoveryEnabledString != null) {
            try {
                endpointDiscoveryEnabled = Boolean.parseBoolean(endpointDiscoveryEnabledString);
            } catch (Exception e) {
                throw new RuntimeException("Unable to parse environment variable " + ENDPOINT_DISCOVERY_SYSTEM_PROPERTY);
            }
        }

        return endpointDiscoveryEnabled;
    }
}