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a620d06239
This is one of several CLs in a sequence for allowing per-TLD DNS implementations. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=129445641
42 lines
1.5 KiB
Java
42 lines
1.5 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.dns;
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import static com.google.common.base.Preconditions.checkState;
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import com.google.common.collect.ImmutableMap;
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import google.registry.dns.writer.DnsWriter;
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import google.registry.model.registry.Registry;
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import java.util.Map;
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import javax.inject.Inject;
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/** Proxy for retrieving {@link DnsWriter} implementations. */
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public final class DnsWriterProxy {
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private final ImmutableMap<String, DnsWriter> dnsWriters;
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@Inject
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DnsWriterProxy(Map<String, DnsWriter> dnsWriters) {
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this.dnsWriters = ImmutableMap.copyOf(dnsWriters);
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}
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/** Return the {@link DnsWriter} for the given tld. */
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public DnsWriter getForTld(String tld) {
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String clazz = Registry.get(tld).getDnsWriter();
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DnsWriter dnsWriter = dnsWriters.get(clazz);
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checkState(dnsWriter != null, "Could not load DnsWriter %s for TLD %s", clazz, tld);
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return dnsWriter;
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}
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}
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