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/RydeTarOutputStream.java

@@ -0,0 +1,70 @@
+// 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 com.google.auto.factory.AutoFactory;
+import com.google.domain.registry.util.ImprovedOutputStream;
+import com.google.domain.registry.util.PosixTarHeader;
+
+import org.joda.time.DateTime;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import javax.annotation.WillNotClose;
+
+/**
+ * Single-file POSIX tar archive creator that wraps an {@link OutputStream}.
+ */
+@AutoFactory(allowSubclasses = true)
+public class RydeTarOutputStream extends ImprovedOutputStream {
+
+  /**
+   * Creates a new instance that outputs a tar archive.
+   *
+   * @param os is the upstream {@link OutputStream} which is not closed by this object
+   * @param size is the length in bytes of the one file, which you will write to this object
+   * @param modified is the {@link PosixTarHeader.Builder#setMtime mtime} you want to set
+   * @param filename is the name of the one file that will be contained in this archive
+   * @throws RuntimeException to rethrow {@link IOException}
+   * @throws IllegalArgumentException if {@code size} is negative
+   */
+  public RydeTarOutputStream(
+      @WillNotClose OutputStream os, long size, DateTime modified, String filename) {
+    super(os, false, size);
+    checkArgument(size >= 0);
+    checkArgument(filename.endsWith(".xml"),
+        "Ryde expects tar archive to contain a filename with an '.xml' extension.");
+    try {
+      os.write(new PosixTarHeader.Builder()
+          .setName(filename)
+          .setSize(size)
+          .setMtime(modified)
+          .build()
+          .getBytes());
+    } catch (IOException e) {
+      throw new RuntimeException(e);
+    }
+  }
+
+  /** Writes the end of archive marker. */
+  @Override
+  public void onClose() throws IOException {
+    // Round up to a 512-byte boundary and another 1024-bytes to indicate end of archive.
+    write(new byte[1024 + 512 - (int) (getBytesWritten() % 512L)]);
+  }
+}