mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

java/google/registry/whois/RegistrarLookupCommand.java

@@ -0,0 +1,105 @@
+// Copyright 2016 The Domain Registry Authors. 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.checkArgument;
+import static com.google.common.base.Strings.isNullOrEmpty;
+import static com.google.domain.registry.util.CacheUtils.memoizeWithShortExpiration;
+import static com.google.domain.registry.util.RegistrarUtils.normalizeRegistrarName;
+import static javax.servlet.http.HttpServletResponse.SC_NOT_FOUND;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.CharMatcher;
+import com.google.common.base.Joiner;
+import com.google.common.base.Splitter;
+import com.google.common.base.Supplier;
+import com.google.common.collect.ImmutableMap;
+import com.google.domain.registry.model.registrar.Registrar;
+import com.google.domain.registry.util.FormattingLogger;
+
+import org.joda.time.DateTime;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/** Represents a WHOIS lookup for a registrar by its name. */
+final class RegistrarLookupCommand implements WhoisCommand {
+
+  private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
+
+  /**
+   * Cache of a map from a stripped-down (letters and digits only) name to the registrar. This map
+   * includes only active, publicly visible registrars, because the others should be invisible to
+   * WHOIS.
+   */
+  private static final Supplier<Map<String, Registrar>> REGISTRAR_BY_NORMALIZED_NAME_CACHE =
+      memoizeWithShortExpiration(new Supplier<Map<String, Registrar>>() {
+        @Override
+        public Map<String, Registrar> get() {
+          Map<String, Registrar> map = new HashMap<>();
+          // Use the normalized registrar name as a key.
+          Iterable<Registrar> registrars = Registrar.loadAllActiveAndPubliclyVisible();
+          for (Registrar registrar : registrars) {
+            if (registrar.getRegistrarName() == null) {
+              continue;
+            }
+            String normalized = normalizeRegistrarName(registrar.getRegistrarName());
+            if (map.put(normalized, registrar) != null) {
+              logger.warning(normalized
+                  + " appeared as a normalized registrar name for more than one registrar");
+            }
+          }
+          // Use the normalized registrar name without its last word as a key, assuming there are
+          // multiple words in the name. This allows searches without LLC or INC, etc. Only insert
+          // if there isn't already a mapping for this string, so that if there's a registrar with a
+          // two word name (Go Daddy) and no business-type suffix and another registrar with just
+          // that first word as its name (Go), the latter will win.
+          for (Registrar registrar : registrars) {
+            if (registrar.getRegistrarName() == null) {
+              continue;
+            }
+            List<String> words =
+                Splitter.on(CharMatcher.whitespace()).splitToList(registrar.getRegistrarName());
+            if (words.size() > 1) {
+              String normalized =
+                  normalizeRegistrarName(Joiner.on("").join(words.subList(0, words.size() - 1)));
+              if (!map.containsKey(normalized)) {
+                map.put(normalized, registrar);
+              }
+            }
+          }
+          return ImmutableMap.copyOf(map);
+        }});
+
+  @VisibleForTesting
+  final String registrarName;
+
+  RegistrarLookupCommand(String registrarName) {
+    checkArgument(!isNullOrEmpty(registrarName), "registrarName");
+    this.registrarName = registrarName;
+  }
+
+  @Override
+  public WhoisResponse executeQuery(DateTime now) throws WhoisException {
+    Registrar registrar =
+        REGISTRAR_BY_NORMALIZED_NAME_CACHE.get().get(normalizeRegistrarName(registrarName));
+    // If a registrar is in the cache, we know it must be active and publicly visible.
+    if (registrar == null) {
+      throw new WhoisException(now, SC_NOT_FOUND, "No registrar found.");
+    }
+    return new RegistrarWhoisResponse(registrar, now);
+  }
+}