public void clearProperties(Class<?> clazz) {
Properties props = getProperties();
Properties newProps = new Properties();
for (Iterator<String> iter = CastUtils.cast(props.keySet().iterator()); iter.hasNext(); ) {
String key = iter.next();
if (key.startsWith(clazz.getName())) {
continue;
}
newProps.setProperty(key, props.getProperty(key));
}
setProperties(newProps);
}
public Properties getProperties(String prefix) {
Properties rtn = new Properties();
Properties props = getProperties();
for (Iterator<String> iter = CastUtils.cast(props.keySet().iterator()); iter.hasNext(); ) {
String key = iter.next();
if (key.startsWith(prefix)) {
String s = key.substring(prefix.length() + 1);
rtn.setProperty(s, props.getProperty(key));
}
}
return rtn;
}