Nested Classes
Modifier and Type	Class	Description
`static class`	`Utils.LruCache<K,V>`	Simple LRU cache, adapted from: https://stackoverflow.com/a/1953516
`static class`	`Utils.NamedThreadFactory`	Thread factory based on DefaultThreadFactory supporting name prefix.

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`bytesToHex(byte[] b)`	Return a hex representation of the given byte array.
`static <T> T`	`deepCopy(T obj, Class<T> classOfT)`	Return a deep copy using gson.
`static String`	`generateServiceKey(RRMConfig.ServiceConfig serviceConfig)`	Generate the RRM service key.
`static void`	`jsonMerge(org.json.JSONObject a, org.json.JSONObject b)`	Recursively merge JSONObject 'b' into 'a'.
`static String`	`longToMac(long addr)`	Convert a MAC address in integer (6-byte) representation to string notation.
`static long`	`macToLong(String addr)`	Convert a MAC address to an integer (6-byte) representation.
`static String`	`readFile(File f)`	Read a file to a UTF-8 string.
`static String`	`readResourceToString(String path)`	Read a resource to a UTF-8 string.
`static void`	`writeFile(File f, String s)`	Write a string to a file.
`static void`	`writeJsonFile(File f, Object o)`	Write an object to a file as pretty-printed JSON.

public static String readFile(File f)
                       throws IOException

Read a file to a UTF-8 string.

public static void writeFile(File f,
                             String s)
                      throws FileNotFoundException

Write a string to a file.

public static void writeJsonFile(File f,
                                 Object o)
                          throws FileNotFoundException

Write an object to a file as pretty-printed JSON.

public static String readResourceToString(String path)

Read a resource to a UTF-8 string.

public static void jsonMerge(org.json.JSONObject a,
                             org.json.JSONObject b)

Recursively merge JSONObject 'b' into 'a'.

longToMac
```
public static String longToMac(long addr)
```
Convert a MAC address in integer (6-byte) representation to string notation.

bytesToHex
```
public static String bytesToHex(byte[] b)
```
Return a hex representation of the given byte array.

public static <T> T deepCopy(T obj,
                             Class<T> classOfT)

Return a deep copy using gson. DO NOT USE if performance is critical.

public static String generateServiceKey(RRMConfig.ServiceConfig serviceConfig)

Generate the RRM service key.

Class Utils