Import code from internal repository to git

java/com/google/domain/registry/whois/NameserverWhoisResponse.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.whois;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.base.Function;
+import com.google.common.collect.ImmutableList;
+import com.google.common.net.InetAddresses;
+import com.google.domain.registry.model.host.HostResource;
+import com.google.domain.registry.model.registrar.Registrar;
+
+import org.joda.time.DateTime;
+
+import java.net.InetAddress;
+
+/** Container for WHOIS responses to a nameserver lookup queries. */
+final class NameserverWhoisResponse extends WhoisResponseImpl {
+
+  /** Nameserver(s) which were the target of this WHOIS command. */
+  private final ImmutableList<HostResource> hosts;
+
+  /** Creates new WHOIS nameserver response on the given host. */
+  NameserverWhoisResponse(HostResource host, DateTime timestamp) {
+    this(ImmutableList.of(checkNotNull(host, "host")), timestamp);
+  }
+
+  /** Creates new WHOIS nameserver response on the given list of hosts. */
+  NameserverWhoisResponse(ImmutableList<HostResource> hosts, DateTime timestamp) {
+    super(timestamp);
+    this.hosts = checkNotNull(hosts, "hosts");
+  }
+
+  @Override
+  public String getPlainTextOutput(boolean preferUnicode) {
+    BasicEmitter emitter = new BasicEmitter();
+    for (HostResource host : hosts) {
+      Registrar registrar = getRegistrar(host.getCurrentSponsorClientId());
+      emitter
+          .emitField("Server Name", maybeFormatHostname(
+              host.getFullyQualifiedHostName(), preferUnicode))
+          .emitSet("IP Address", host.getInetAddresses(),
+              new Function<InetAddress, String>() {
+                @Override
+                public String apply(InetAddress addr) {
+                  return InetAddresses.toAddrString(addr);
+                }})
+          .emitField("Registrar", registrar.getRegistrarName())
+          .emitField("Registrar WHOIS Server", registrar.getWhoisServer())
+          .emitField("Registrar URL", registrar.getReferralUrl())
+          .emitNewline();
+    }
+    return emitter.emitFooter(getTimestamp()).toString();
+  }
+}