1 files changed, 77 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/change/ArchiveFormat.java b/java/com/google/gerrit/server/change/ArchiveFormat.java
new file mode 100644
index 0000000000..0316c5f36a
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+++ b/java/com/google/gerrit/server/change/ArchiveFormat.java
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+// Copyright 2013 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.gerrit.server.change;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.OutputStream;
+import org.apache.commons.compress.archivers.ArchiveOutputStream;
+import org.eclipse.jgit.api.ArchiveCommand;
+import org.eclipse.jgit.api.ArchiveCommand.Format;
+import org.eclipse.jgit.archive.TarFormat;
+import org.eclipse.jgit.archive.Tbz2Format;
+import org.eclipse.jgit.archive.TgzFormat;
+import org.eclipse.jgit.archive.TxzFormat;
+import org.eclipse.jgit.archive.ZipFormat;
+import org.eclipse.jgit.lib.FileMode;
+import org.eclipse.jgit.lib.ObjectLoader;
+
+public enum ArchiveFormat {
+  TGZ("application/x-gzip", new TgzFormat()),
+  TAR("application/x-tar", new TarFormat()),
+  TBZ2("application/x-bzip2", new Tbz2Format()),
+  TXZ("application/x-xz", new TxzFormat()),
+  ZIP("application/x-zip", new ZipFormat());
+
+  private final ArchiveCommand.Format<?> format;
+  private final String mimeType;
+
+  ArchiveFormat(String mimeType, ArchiveCommand.Format<?> format) {
+    this.format = format;
+    this.mimeType = mimeType;
+    ArchiveCommand.registerFormat(name(), format);
+  }
+
+  public String getShortName() {
+    return name().toLowerCase();
+  }
+
+  public String getMimeType() {
+    return mimeType;
+  }
+
+  public String getDefaultSuffix() {
+    return getSuffixes().iterator().next();
+  }
+
+  public Iterable<String> getSuffixes() {
+    return format.suffixes();
+  }
+
+  public ArchiveOutputStream createArchiveOutputStream(OutputStream o) throws IOException {
+    return (ArchiveOutputStream) this.format.createArchiveOutputStream(o);
+  }
+
+  public <T extends Closeable> void putEntry(T out, String path, byte[] data) throws IOException {
+    @SuppressWarnings("unchecked")
+    ArchiveCommand.Format<T> fmt = (Format<T>) format;
+    fmt.putEntry(
+        out,
+        null,
+        path,
+        FileMode.REGULAR_FILE,
+        new ObjectLoader.SmallObject(FileMode.TYPE_FILE, data));
+  }
+}