获取classpath以外资源路径的方法

获取classpath之外资源路径的方法
// web工程根路径
private static final String WEB_ROOT;

// web工程下的WEB-INF路径
private static final String WEB_INF_PATH;

// web工程下的etc/config/路径
private static final String CONFIG_PATH;

//取当前操作系统版本名
private static final String SYSTEM_NAME = System.getProperty("os.name");

private static final String LINUX ="Linux";

private static Log logger = LogFactory.getLog(ConfigLocation.class);
static
{
WEB_INF_PATH = chopLastSection(getClassPath());
WEB_ROOT = chopLastSection(WEB_INF_PATH);
CONFIG_PATH = WEB_ROOT.concat("etc/config/"
.replace("/", File.separator));
}

/**
* 获取web工程根路径，该路径以文件分隔符结束
*
* @return web工程根路径
*/
public static String getWebRoot()
{
return WEB_ROOT;
}

/**
* 获取web工程下的WEB-INF路径，该路径以文件分隔符结束
*
* @return web工程下的WEB-INF路径
*/
public static String getWebInfPath()
{
return WEB_INF_PATH;
}

/**
* 获取web工程下etc/config/的路径，该路径为项目配置文件路径
*
* @return web工程下etc/config/的路径
*/
public static String getConfigPath()
{
return CONFIG_PATH;
}

private static String chopLastSeparator(String src)
{
if (src.endsWith(File.separator))
{
src = src.substring(0, src.lastIndexOf(File.separator));
}
return src;
}

private static String chopLastSection(String src)
{
String temp = chopLastSeparator(src);
return temp.substring(0, temp.lastIndexOf(File.separator) + 1);
}

/**
* 获取classpath
*
* @return classpath
*/
public static String getClassPath()
{
String url = Thread.currentThread().getContextClassLoader()
.getResource("").toString().replace("/", File.separator);
try
{
url = URLDecoder.decode(url, Charset.defaultCharset().toString());
String prefix = "file:".concat(File.separator);
if (url.startsWith(prefix))
{
url = url.substring(prefix.length());
if(SYSTEM_NAME.startsWith(LINUX)){
if(url.indexOf(":") > -1){
url = url.substring(File.separator.length());
}
}
}
if(SYSTEM_NAME.startsWith(LINUX)){
url="/"+url;
}
}
catch (UnsupportedEncodingException e)
{
logger.error("The system should always have the platform default");
}
return url;
}