Swiften/FileTransfer/FileWriteBytestream.cpp


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/*
 * Copyright (c) 2010-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swiften/FileTransfer/FileWriteBytestream.h>

#include <cassert>

#include <boost/filesystem/fstream.hpp>
#include <boost/numeric/conversion/cast.hpp>

namespace Swift {

FileWriteBytestream::FileWriteBytestream(const boost::filesystem::path& file) : file(file), stream(NULL) {
}

FileWriteBytestream::~FileWriteBytestream() {
	if (stream) {
		stream->close();
		delete stream;
		stream = NULL;
	}
}

bool FileWriteBytestream::write(const std::vector<unsigned char>& data) {
	if (data.empty()) {
		return true;
	}
	if (!stream) {
		stream = new boost::filesystem::ofstream(file, std::ios_base::out|std::ios_base::binary);
	}
	if (stream->good()) {
		stream->write(reinterpret_cast<const char*>(&data[0]), boost::numeric_cast<std::streamsize>(data.size()));
		if (stream->good()) {
			onWrite(data);
			return true;
		}
	}
	return false;
}

void FileWriteBytestream::close() {
	if (stream) {
		stream->close();
		delete stream;
		stream = NULL;
	}
}

}