diff Core/FileStorage.h @ 0:3959d33612cc

initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 19 Jul 2012 14:32:22 +0200
parents
children a15e90e5d6fc
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/FileStorage.h	Thu Jul 19 14:32:22 2012 +0200
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+/**
+ * Palantir - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
+ * Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include <boost/filesystem.hpp>
+#include <set>
+
+#include "Compression/BufferCompressor.h"
+
+namespace Palantir
+{
+  class FileStorage : public boost::noncopyable
+  {
+    friend class HttpOutput;
+
+  private:
+    std::auto_ptr<BufferCompressor> compressor_;
+
+    boost::filesystem::path root_;
+
+    boost::filesystem::path GetPath(const std::string& uuid) const;
+
+    std::string CreateFileWithoutCompression(const void* content, size_t size);
+
+  public:
+    FileStorage(std::string root);
+
+    void SetBufferCompressor(BufferCompressor* compressor)  // Takes the ownership
+    {
+      compressor_.reset(compressor);
+    }
+
+    bool HasBufferCompressor() const
+    {
+      return compressor_.get() != NULL;
+    }
+
+    std::string Create(const void* content, size_t size);
+
+    std::string Create(const std::vector<uint8_t>& content);
+
+    std::string Create(const std::string& content);
+
+    void ReadFile(std::string& content,
+                  const std::string& uuid) const;
+
+    void ListAllFiles(std::set<std::string>& result) const;
+
+    uintmax_t GetCompressedSize(const std::string& uuid) const;
+
+    void Clear();
+
+    void Remove(const std::string& uuid);
+
+    uintmax_t GetCapacity() const;
+
+    uintmax_t GetAvailableSpace() const;
+
+    std::string GetPath() const
+    {
+      return root_.string();
+    }
+  };
+}