Import code from internal repository to git

java/com/google/domain/registry/dns/writer/api/BUILD

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+package(
+    default_visibility = ["//java/com/google/domain/registry:registry_project"],
+)
+
+
+java_library(
+    name = "api",
+    srcs = glob(["*.java"]),
+    deps = [
+        "//java/com/google/common/base",
+        "//third_party/java/dagger",
+        "//third_party/java/jsr305_annotations",
+        "//third_party/java/jsr330_inject",
+    ],
+)

java/com/google/domain/registry/dns/writer/api/DnsWriter.java

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+// Copyright 2016 Google Inc. 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.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License 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.google.domain.registry.dns.writer.api;
+
+/**
+ * Transaction object for sending an atomic batch of updates for a single zone to the DNS server.
+ *
+ * <p>Here's an example of how you would publish updates for a domain and host:
+ * <pre>
+ * &#064;Inject Provider&lt;DnsWriter&gt; dnsWriter;
+ * try (DnsWriter writer = dnsWriter.get()) {
+ *   writer.publishDomain(domainName);
+ *   writer.publishHost(hostName);
+ * }
+ * </pre>
+ */
+public interface DnsWriter extends AutoCloseable {
+
+  /**
+   * Loads {@code domainName} from datastore and publishes its NS/DS records to the DNS server.
+   *
+   * @param domainName the fully qualified domain name
+   */
+  void publishDomain(String domainName);
+
+  /**
+   * Loads {@code hostName} from datastore and publishes its A/AAAA glue records to the DNS server.
+   *
+   * @param hostName the fully qualified host name
+   */
+  void publishHost(String hostName);
+
+  /** Commits the updates to the DNS server atomically. */
+  @Override
+  void close();
+}

java/com/google/domain/registry/dns/writer/api/DnsWriterZone.java

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+// Copyright 2016 Google Inc. 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.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License 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.google.domain.registry.dns.writer.api;
+
+import java.lang.annotation.Documented;
+
+import javax.inject.Qualifier;
+
+/** Dagger qualifier for the fully-qualified zone name that's being updated. */
+@Qualifier
+@Documented
+public @interface DnsWriterZone {}

java/com/google/domain/registry/dns/writer/api/VoidDnsWriter.java

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+// Copyright 2016 Google Inc. 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.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License 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.google.domain.registry.dns.writer.api;
+
+import com.google.common.base.Joiner;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.logging.Logger;
+
+/**
+ * {@link DnsWriter} that doesn't actually update records in a DNS server.
+ *
+ * <p>All this class does is write its displeasure to the logs.
+ */
+public final class VoidDnsWriter implements DnsWriter {
+
+  private static final Logger logger = Logger.getLogger(VoidDnsWriter.class.getName());
+
+  private final Set<String> names = new HashSet<>();
+
+  @Override
+  public void publishDomain(String domainName) {
+    names.add(domainName);
+  }
+
+  @Override
+  public void publishHost(String hostName) {
+    names.add(hostName);
+  }
+
+  @Override
+  public void close() {
+    logger.warning("Ignoring DNS zone updates! No DnsWriterFactory implementation specified!\n"
+        + Joiner.on('\n').join(names));
+  }
+}

java/com/google/domain/registry/dns/writer/api/VoidDnsWriterModule.java

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+// Copyright 2016 Google Inc. 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.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License 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.google.domain.registry.dns.writer.api;
+
+import dagger.Module;
+import dagger.Provides;
+
+/** Dagger module that disables DNS updates. */
+@Module
+public final class VoidDnsWriterModule {
+
+  @Provides
+  static DnsWriter provideDnsWriter() {
+    return new VoidDnsWriter();
+  }
+}