Import code from internal repository to git

java/com/google/domain/registry/tools/RegistryToolModule.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.tools;
+
+import dagger.Module;
+import dagger.Provides;
+
+import java.security.NoSuchAlgorithmException;
+import java.security.ProviderException;
+import java.security.SecureRandom;
+import java.util.Random;
+
+/** Dagger module for Registry Tool. */
+@Module
+final class RegistryToolModule {
+
+  @Provides
+  static RegistryToolEnvironment provideRegistryToolEnvironment() {
+    return RegistryToolEnvironment.get();
+  }
+
+  @Provides
+  static PasswordGenerator providePasswordGenerator(RandomPasswordGenerator passwordGenerator) {
+    return passwordGenerator;
+  }
+
+  @Provides
+  static Random provideRandom() {
+    try {
+      return SecureRandom.getInstance("NativePRNG");
+    } catch (NoSuchAlgorithmException e) {
+      throw new ProviderException(e);
+    }
+  }
+}