FileUtils (Spring Boot API)

java.lang.Object
- org.springframework.boot.loader.tools.FileUtils

```
public abstract class FileUtils
extends Object
```
Utilities for manipulating files and directories in Spring Boot tooling.

Constructor Summary
Constructors
Constructor Description
FileUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`removeDuplicatesFromOutputDirectory(File outputDirectory, File originDirectory)`	Utility to remove duplicate files from an "output" directory if they already exist in an "origin".
`static String`	`sha1Hash(File file)`	Generate a SHA.1 Hash for a given file.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FileUtils
```
public FileUtils()
```
- Method Detail
  - removeDuplicatesFromOutputDirectory
```
public static void removeDuplicatesFromOutputDirectory(File outputDirectory,
                                                       File originDirectory)
```
    Utility to remove duplicate files from an "output" directory if they already exist in an "origin". Recursively scans the origin directory looking for files (not directories) that exist in both places and deleting the copy.
    Parameters:
    outputDirectory - the output directory
    originDirectory - the origin directory
  - sha1Hash
```
public static String sha1Hash(File file)
                       throws IOException
```
    Generate a SHA.1 Hash for a given file.
    Parameters:
    file - the file to hash
    Returns:
    the hash value as a String
    Throws:
    IOException - if the file cannot be read