poco/Util/src/SystemConfiguration.cpp
2007-02-23 14:35:25 +00:00

133 lines
3.9 KiB
C++

//
// SystemConfiguration.cpp
//
// $Id: //poco/Main/Util/src/SystemConfiguration.cpp#6 $
//
// Library: Util
// Package: Configuration
// Module: SystemConfiguration
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#include "Poco/Util/SystemConfiguration.h"
#include "Poco/Environment.h"
#include "Poco/Path.h"
#include "Poco/Exception.h"
using Poco::Environment;
using Poco::Path;
namespace Poco {
namespace Util {
const std::string SystemConfiguration::OSNAME = "system.osName";
const std::string SystemConfiguration::OSVERSION = "system.osVersion";
const std::string SystemConfiguration::OSARCHITECTURE = "system.osArchitecture";
const std::string SystemConfiguration::NODENAME = "system.nodeName";
const std::string SystemConfiguration::CURRENTDIR = "system.currentDir";
const std::string SystemConfiguration::HOMEDIR = "system.homeDir";
const std::string SystemConfiguration::TEMPDIR = "system.tempDir";
const std::string SystemConfiguration::ENV = "system.env.";
SystemConfiguration::SystemConfiguration()
{
}
SystemConfiguration::~SystemConfiguration()
{
}
bool SystemConfiguration::getRaw(const std::string& key, std::string& value) const
{
if (key == OSNAME)
value = Environment::osName();
else if (key == OSVERSION)
value = Environment::osVersion();
else if (key == OSARCHITECTURE)
value = Environment::osArchitecture();
else if (key == NODENAME)
value = Environment::nodeName();
else if (key == CURRENTDIR)
value = Path::current();
else if (key == HOMEDIR)
value = Path::home();
else if (key == TEMPDIR)
value = Path::temp();
else if (key.compare(0, ENV.size(), ENV) == 0)
return getEnv(key.substr(ENV.size()), value);
else
return false;
return true;
}
void SystemConfiguration::setRaw(const std::string& key, const std::string& value)
{
throw Poco::InvalidAccessException("Attempt to modify a system property", key);
}
void SystemConfiguration::enumerate(const std::string& key, Keys& range) const
{
if (key.empty())
{
range.push_back("system");
}
else if (key == "system")
{
range.push_back("osName");
range.push_back("osVersion");
range.push_back("osArchitecture");
range.push_back("nodeName");
range.push_back("currentDir");
range.push_back("homeDir");
range.push_back("tempDir");
range.push_back("env");
}
}
bool SystemConfiguration::getEnv(const std::string& name, std::string& value)
{
if (Environment::has(name))
{
value = Environment::get(name);
return true;
}
return false;
}
} } // namespace Poco::Util