3 files changed, 118 insertions, 0 deletions
diff --git a/Swiften/Entity/GenericPayloadPersister.h b/Swiften/Entity/GenericPayloadPersister.h
new file mode 100644
index 0000000..63553de
--- /dev/null
+++ b/Swiften/Entity/GenericPayloadPersister.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2011 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#pragma once
+
+#include <Swiften/Entity/PayloadPersister.h>
+#include <Swiften/Parser/GenericPayloadParserFactory.h>
+
+namespace Swift {
+	template<typename PAYLOAD, typename PARSER, typename SERIALIZER>
+	class GenericPayloadPersister : public PayloadPersister {
+		public:
+			GenericPayloadPersister() {
+			}
+
+		public:
+			boost::shared_ptr<PAYLOAD> loadPayloadGeneric(const boost::filesystem::path& path) {
+				return boost::dynamic_pointer_cast<PAYLOAD>(loadPayload(path));
+			}
+
+		protected:
+			virtual const PayloadSerializer* getSerializer() const {
+				return &serializer;
+			}
+
+			virtual PayloadParser* createParser() const {
+				return new PARSER();
+			}
+
+		private:
+			SERIALIZER serializer;
+	};
+}
diff --git a/Swiften/Entity/PayloadPersister.cpp b/Swiften/Entity/PayloadPersister.cpp
new file mode 100644
index 0000000..2899edc
--- /dev/null
+++ b/Swiften/Entity/PayloadPersister.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2011 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include <Swiften/Entity/PayloadPersister.h>
+
+#include <boost/filesystem/fstream.hpp>
+#include <boost/filesystem.hpp>
+
+#include <Swiften/Parser/PayloadParsers/UnitTest/PayloadParserTester.h>
+#include <Swiften/Base/ByteArray.h>
+#include <Swiften/Parser/PayloadParser.h>
+#include <Swiften/Parser/PayloadParserFactory.h>
+#include <Swiften/Serializer/PayloadSerializer.h>
+
+using namespace Swift;
+
+PayloadPersister::PayloadPersister() {
+}
+
+PayloadPersister::~PayloadPersister() {
+}
+
+void PayloadPersister::savePayload(boost::shared_ptr<Payload> payload, const boost::filesystem::path& path) {
+	if (!boost::filesystem::exists(path.parent_path())) {
+		try {
+			boost::filesystem::create_directories(path.parent_path());
+		}
+		catch (const boost::filesystem::filesystem_error& e) {
+			std::cerr << "ERROR: " << e.what() << std::endl;
+		}
+	}
+	boost::filesystem::ofstream file(path);
+	file << getSerializer()->serialize(payload);
+	file.close();
+}
+
+boost::shared_ptr<Payload> PayloadPersister::loadPayload(const boost::filesystem::path& path) {
+	if (boost::filesystem::exists(path)) {
+		ByteArray data;
+		data.readFromFile(path.string());
+		std::auto_ptr<PayloadParser> parser(createParser());
+		PayloadParserTester tester(parser.get());
+		tester.parse(data.toString());
+		return parser->getPayload();
+	}
+	else {
+		return boost::shared_ptr<Payload>();
+	}
+}
diff --git a/Swiften/Entity/PayloadPersister.h b/Swiften/Entity/PayloadPersister.h
new file mode 100644
index 0000000..ea7c74c
--- /dev/null
+++ b/Swiften/Entity/PayloadPersister.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2011 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#pragma once
+
+#include <boost/shared_ptr.hpp>
+#include <boost/filesystem/path.hpp>
+
+namespace Swift {
+	class Payload;
+	class PayloadSerializer;
+	class PayloadParser;
+
+	class PayloadPersister {
+		public: 
+			PayloadPersister();
+			virtual ~PayloadPersister();
+
+			void savePayload(boost::shared_ptr<Payload>, const boost::filesystem::path&);
+			boost::shared_ptr<Payload> loadPayload(const boost::filesystem::path&);
+
+		protected:
+
+			virtual const PayloadSerializer* getSerializer() const = 0;
+			virtual PayloadParser* createParser() const = 0;
+	};
+}