spring FileUtils 源码
springboot FileUtils 代码
文件路径：/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/FileUtils.java
/*
* Copyright 2012-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.loader.tools;
import java.io.File;
import java.io.IOException;
/**
* Utilities for manipulating files and directories in Spring Boot tooling.
*
* @author Dave Syer
* @author Phillip Webb
* @since 1.0.0
*/
public abstract class FileUtils {
/**
* 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.
* @param outputDirectory the output directory
* @param originDirectory the origin directory
*/
public static void removeDuplicatesFromOutputDirectory(File outputDirectory, File originDirectory) {
if (originDirectory.isDirectory()) {
for (String name : originDirectory.list()) {
File targetFile = new File(outputDirectory, name);
if (targetFile.exists() && targetFile.canWrite()) {
if (!targetFile.isDirectory()) {
targetFile.delete();
}
else {
FileUtils.removeDuplicatesFromOutputDirectory(targetFile, new File(originDirectory, name));
}
}
}
}
}
/**
* Generate a SHA-1 Hash for a given file.
* @param file the file to hash
* @return the hash value as a String
* @throws IOException if the file cannot be read
*/
public static String sha1Hash(File file) throws IOException {
return Digest.sha1(InputStreamSupplier.forFile(file));
}
}
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- 本文标签： Spring Boot Java Spring
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