org.apache.inlong.sort.filesystem.shaded.com.amazonaws.internal.DefaultServiceEndpointBuilder 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.internal;
import com.amazonaws.annotation.NotThreadSafe;
import com.amazonaws.regions.Region;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.net.URI;
import java.net.URISyntaxException;
/**
* Uses region metdata to construct an endpoint for a specific service
*/
@NotThreadSafe
public class DefaultServiceEndpointBuilder extends ServiceEndpointBuilder {
private static final Log log = LogFactory.getLog(DefaultServiceEndpointBuilder.class);
private final String serviceName;
private final String protocol;
private Region region;
public DefaultServiceEndpointBuilder(String serviceName, String protocol) {
this.serviceName = serviceName;
this.protocol = protocol;
}
public DefaultServiceEndpointBuilder withRegion(Region region) {
if (region == null) {
throw new IllegalArgumentException("Region cannot be null");
}
this.region = region;
return this;
}
@Override
public URI getServiceEndpoint() {
String serviceEndpoint = region.getServiceEndpoint(serviceName);
if (serviceEndpoint == null) {
serviceEndpoint = String.format("%s.%s.%s", serviceName, region.getName(), region.getDomain());
log.info("{" + serviceName + ", " + region.getName() + "} was not "
+ "found in region metadata, trying to construct an "
+ "endpoint using the standard pattern for this region: '" + serviceEndpoint + "'.");
}
return toURI(stripProtocol(serviceEndpoint));
}
private String stripProtocol(final String endpoint) {
final int protocolIndex = endpoint.indexOf("://");
return protocolIndex >= 0 ? endpoint.substring(protocolIndex + "://".length()) : endpoint;
}
private URI toURI(String endpoint) throws IllegalArgumentException {
try {
return new URI(String.format("%s://%s", protocol, endpoint));
} catch (URISyntaxException e) {
throw new IllegalArgumentException(e);
}
}
@Override
public Region getRegion() {
return region;
}
}