All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`assertDirectoryExists(File file)`	Throws an exception if the given file does not exist
`static void`	`assertExists(File file)`	Throws an exception if the given file or directory does not exist
`static void`	`assertFileExists(File file)`	Throws an exception if the given file does not exist
`static void`	`copy(File source, File target)`	Copy the source `File` to the target `File`.
`static String`	`getMimeType(File file)`
`static String`	`getRelativePath(File rootDir, File file)`
`static byte[]`	`readBytes(File file)`	Reads a `File` and returns the data as a byte array
`static int`	`recursiveDelete(File file)`	Recursively deletes the given file whether its a file or directory returning the number of files deleted

public static void copy(File source,
                        File target)
                 throws IOException

Copy the source File to the target File.

recursiveDelete
```
public static int recursiveDelete(File file)
```
Recursively deletes the given file whether its a file or directory returning the number of files deleted

public static String getRelativePath(File rootDir,
                                     File file)
                              throws IOException

public static byte[] readBytes(File file)
                        throws IOException

Reads a File and returns the data as a byte array

public static String getMimeType(File file)

assertExists
```
public static void assertExists(File file)
```
Throws an exception if the given file or directory does not exist

assertFileExists
```
public static void assertFileExists(File file)
```
Throws an exception if the given file does not exist

assertDirectoryExists
```
public static void assertDirectoryExists(File file)
```
Throws an exception if the given file does not exist

Class Files