org.apache.inlong.sort.filesystem.shaded.com.amazonaws.endpointdiscovery.EndpointDiscoveryProviderChain Maven / Gradle / Ivy
/*
* Copyright 2010-2022 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 org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class EndpointDiscoveryProviderChain implements EndpointDiscoveryProvider {
private static final Log LOG = LogFactory.getLog(EndpointDiscoveryProviderChain.class);
private final List providers;
public EndpointDiscoveryProviderChain(EndpointDiscoveryProvider... providers) {
this.providers = new ArrayList(providers.length);
Collections.addAll(this.providers, providers);
}
@Override
public Boolean endpointDiscoveryEnabled() {
Boolean endpointDiscoveryEnabled = null;
for (EndpointDiscoveryProvider provider : providers) {
try {
endpointDiscoveryEnabled = provider.endpointDiscoveryEnabled();
if (endpointDiscoveryEnabled != null) {
return endpointDiscoveryEnabled;
}
} catch (Exception e) {
// Ignore any exceptions and move onto the next provider
LOG.debug("Unable to discover endpoint discovery setting " + provider.toString() +
": " + e.getMessage());
}
}
return endpointDiscoveryEnabled;
}
}