@Override
	public void close() throws IOException {
		if (protocolBean != null) {
			protocolBean.close();
		}
	}
Configuration group loaded from URI location.<br>
<br>
Supported location formats:<br>

<ul>
<li>classpath:config.properties</li>
<li>classpath:config.xml</li>
<li>file:/your/path/config.properties</li>
<li>file:/your/path/config.xml</li>
<li>http://www.yoursite.com/config.properties</li>
<li>http://www.yoursite.com/config.xml</li>
</ul>

@author <a href="mailto:wangyuxuan@dangdang.com">Yuxuan Wang</a>
config-toolkit/src/main/java/com/dangdang/config/service/file/FileConfigGroup.java