in impl/src/main/java/org/apache/rocketmq/remoting/internal/PropertyUtils.java [31:41]
public static String getPropertyIgnoreCase(final Properties properties, final String key) {
String value = null;
if (properties != null) {
for (Map.Entry<Object, Object> next : properties.entrySet()) {
if (next.getKey().toString().equalsIgnoreCase(key)) {
return next.getValue().toString();
}
}
}
return value;
}