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/rde/RydePgpFileOutputStream.java

@@ -0,0 +1,71 @@
+// 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.rde;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static org.bouncycastle.openpgp.PGPLiteralData.BINARY;
+
+import com.google.auto.factory.AutoFactory;
+import com.google.auto.factory.Provided;
+import com.google.domain.registry.config.ConfigModule.Config;
+import com.google.domain.registry.util.ImprovedOutputStream;
+
+import org.bouncycastle.openpgp.PGPLiteralDataGenerator;
+import org.joda.time.DateTime;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import javax.annotation.WillNotClose;
+
+/**
+ * OpenPGP literal data layer generator that wraps {@link OutputStream}.
+ *
+ * <p>OpenPGP messages are like an onion; there can be many layers like compression and encryption.
+ * It's important to wrap out plaintext in a literal data layer such as this so the code that's
+ * unwrapping the onion knows when to stop.
+ *
+ * <p>According to escrow spec, the PGP message should contain a single tar file.
+ */
+@AutoFactory(allowSubclasses = true)
+public class RydePgpFileOutputStream extends ImprovedOutputStream {
+
+  /**
+   * Creates a new instance for a particular file.
+   *
+   * @param os is the upstream {@link OutputStream} which is not closed by this object
+   * @throws IllegalArgumentException if {@code filename} isn't a {@code .tar} file
+   * @throws RuntimeException to rethrow {@link IOException}
+   */
+  public RydePgpFileOutputStream(
+      @Provided @Config("rdeRydeBufferSize") Integer bufferSize,
+      @WillNotClose OutputStream os,
+      DateTime modified,
+      String filename) {
+    super(createDelegate(bufferSize, os, modified, filename));
+  }
+
+  private static OutputStream
+      createDelegate(int bufferSize, OutputStream os, DateTime modified, String filename) {
+    try {
+      checkArgument(filename.endsWith(".tar"),
+          "Ryde PGP message should contain a tar file.");
+      return new PGPLiteralDataGenerator().open(
+          os, BINARY, filename, modified.toDate(), new byte[bufferSize]);
+    } catch (IOException e) {
+      throw new RuntimeException(e);
+    }
+  }
+}