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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
71 lines
2.7 KiB
Java
71 lines
2.7 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.whois;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static google.registry.model.EppResourceUtils.loadByUniqueId;
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import static google.registry.model.registry.Registries.findTldForName;
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import static google.registry.model.registry.Registries.getTlds;
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import static javax.servlet.http.HttpServletResponse.SC_NOT_FOUND;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.base.Optional;
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import com.google.common.net.InternetDomainName;
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import google.registry.model.EppResource;
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import google.registry.util.TypeUtils.TypeInstantiator;
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import org.joda.time.DateTime;
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import javax.annotation.Nullable;
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/** Represents a WHOIS lookup on a domain name (i.e. SLD) or a nameserver. */
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abstract class DomainOrHostLookupCommand<T extends EppResource> implements WhoisCommand {
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@VisibleForTesting
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final InternetDomainName domainOrHostName;
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private final String errorPrefix;
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private Optional<InternetDomainName> tld;
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DomainOrHostLookupCommand(
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InternetDomainName domainName, @Nullable InternetDomainName tld, String errorPrefix) {
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this.errorPrefix = errorPrefix;
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this.domainOrHostName = checkNotNull(domainName, "domainOrHostName");
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this.tld = Optional.fromNullable(tld);
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}
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@Override
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public final WhoisResponse executeQuery(final DateTime now) throws WhoisException {
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if (!tld.isPresent()) {
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tld = findTldForName(domainOrHostName);
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}
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// Google Policy: Do not return records under TLDs for which we're not authoritative.
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if (tld.isPresent() && getTlds().contains(tld.get().toString())) {
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T domainOrHost = loadByUniqueId(
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new TypeInstantiator<T>(getClass()){}.getExactType(),
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domainOrHostName.toString(),
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now);
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if (domainOrHost != null) {
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return getSuccessResponse(domainOrHost, now);
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}
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}
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throw new WhoisException(now, SC_NOT_FOUND, errorPrefix + " not found.");
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}
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/** Renders a response record, provided its successfully retrieved datastore entity. */
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abstract WhoisResponse getSuccessResponse(T domainOrHost, DateTime now);
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}
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