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+//
+// StreamCopier.h
+//
+// Library: Foundation
+// Package: Streams
+// Module:  StreamCopier
+//
+// Definition of class StreamCopier.
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#ifndef Foundation_StreamCopier_INCLUDED
+#define Foundation_StreamCopier_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include <istream>
+#include <ostream>
+#include <cstddef>
+
+
+namespace Poco {
+
+
+class Foundation_API StreamCopier
+	/// This class provides static methods to copy the contents from one stream
+	/// into another.
+{
+public:
+	static std::streamsize copyStream(std::istream& istr, std::ostream& ostr, std::size_t bufferSize = 8192);
+		/// Writes all bytes readable from istr to ostr, using an internal buffer.
+		///
+		/// Returns the number of bytes copied.
+
+#if defined(POCO_HAVE_INT64)
+	static Poco::UInt64 copyStream64(std::istream& istr, std::ostream& ostr, std::size_t bufferSize = 8192);
+		/// Writes all bytes readable from istr to ostr, using an internal buffer.
+		///
+		/// Returns the number of bytes copied as a 64-bit unsigned integer.
+		///
+		/// Note: the only difference to copyStream() is that a 64-bit unsigned
+		/// integer is used to count the number of bytes copied.
+#endif
+
+	static std::streamsize copyStreamUnbuffered(std::istream& istr, std::ostream& ostr);
+		/// Writes all bytes readable from istr to ostr.
+		///
+		/// Returns the number of bytes copied.
+
+#if defined(POCO_HAVE_INT64)
+	static Poco::UInt64 copyStreamUnbuffered64(std::istream& istr, std::ostream& ostr);
+		/// Writes all bytes readable from istr to ostr.
+		///
+		/// Returns the number of bytes copied as a 64-bit unsigned integer.
+		///
+		/// Note: the only difference to copyStreamUnbuffered() is that a 64-bit unsigned
+		/// integer is used to count the number of bytes copied.
+#endif
+
+	static std::streamsize copyToString(std::istream& istr, std::string& str, std::size_t bufferSize = 8192);
+		/// Appends all bytes readable from istr to the given string, using an internal buffer.
+		///
+		/// Returns the number of bytes copied.
+
+#if defined(POCO_HAVE_INT64)
+	static Poco::UInt64 copyToString64(std::istream& istr, std::string& str, std::size_t bufferSize = 8192);
+		/// Appends all bytes readable from istr to the given string, using an internal buffer.
+		///
+		/// Returns the number of bytes copied as a 64-bit unsigned integer.
+		///
+		/// Note: the only difference to copyToString() is that a 64-bit unsigned
+		/// integer is used to count the number of bytes copied.
+#endif
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_StreamCopier_INCLUDED