ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/detail/adapter/device_adapter.hpp b/include/ndnboost/iostreams/detail/adapter/device_adapter.hpp
new file mode 100644
index 0000000..aa82c7a
--- /dev/null
+++ b/include/ndnboost/iostreams/detail/adapter/device_adapter.hpp
@@ -0,0 +1,67 @@
+/*
+ * Defines the class template ndnboost::iostreams::detail::device_adapter,
+ * a convenience base class for device adapters.
+ *
+ * File:        ndnboost/iostreams/detail/adapter/filter_adapter.hpp
+ * Date:        Mon Nov 26 14:35:48 MST 2007
+ * 
+ * Copyright:   2007-2008 CodeRage, LLC
+ * Author:      Jonathan Turkanis
+ * Contact:     turkanis at coderage dot com
+ *
+ * Distributed under the Boost Software License, Version 1.0.(See accompanying 
+ * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
+ * 
+ * See http://www.boost.org/libs/iostreams for documentation.
+ */
+
+#ifndef NDNBOOST_IOSTREAMS_DETAIL_DEVICE_ADAPTER_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_DETAIL_DEVICE_ADAPTER_HPP_INCLUDED
+
+#include <ndnboost/iostreams/categories.hpp>
+#include <ndnboost/iostreams/detail/call_traits.hpp>
+#include <ndnboost/iostreams/detail/ios.hpp>
+#include <ndnboost/iostreams/operations.hpp>
+#include <ndnboost/iostreams/traits.hpp>
+#include <ndnboost/static_assert.hpp>
+
+namespace ndnboost { namespace iostreams { namespace detail {
+
+template<typename T>
+class device_adapter {
+private:
+    typedef typename detail::value_type<T>::type value_type;
+    typedef typename detail::param_type<T>::type param_type;
+public:
+    explicit device_adapter(param_type t) : t_(t) { }
+    T& component() { return t_; }
+
+    void close() 
+    {
+        detail::close_all(t_);
+    }
+
+    void close(NDNBOOST_IOS::openmode which) 
+    { 
+        iostreams::close(t_, which); 
+    }
+
+    bool flush() 
+    { 
+        return iostreams::flush(t_); 
+    }
+
+    template<typename Locale> // Avoid dependency on <locale>
+    void imbue(const Locale& loc) { iostreams::imbue(t_, loc); }
+
+    std::streamsize optimal_buffer_size() const 
+    { return iostreams::optimal_buffer_size(t_); }
+public:
+    value_type t_;
+};
+
+//----------------------------------------------------------------------------//
+
+} } } // End namespaces detail, iostreams, boost.
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_DETAIL_DEVICE_ADAPTER_HPP_INCLUDED