Package org.springframework.boot.loader.tools

Class FileUtils

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.

Since:

1.0.0

Author:

Dave Syer, Phillip Webb

Constructor Summary

Constructors

Constructor	Description
FileUtils()

Method Summary

Modifier and Type	Method	Description
static boolean	isSignedJarFile(File file)	Returns true if the given jar file has been signed.
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 Details

FileUtils

public FileUtils()

Method Details

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

isSignedJarFile

public static boolean isSignedJarFile(File file)
                               throws IOException

Returns true if the given jar file has been signed.

Parameters:

file - the file to check

Returns:

if the file has been signed

Throws:

IOException - on IO error