Spring Framework example source code file (FileSystemUtils.java)

This example Spring Framework source code file (FileSystemUtils.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

file, file, filesystemutils, filesystemutils, io, ioexception, ioexception

The Spring Framework FileSystemUtils.java source code

/*
 * Copyright 2002-2008 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
 *
 *      http://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.util;

import java.io.File;
import java.io.IOException;

/**
 * Utility methods for working with the file system.
 *
 * @author Rob Harrop
 * @author Juergen Hoeller
 * @since 2.5.3
 */
public abstract class FileSystemUtils {

	/**
	 * Delete the supplied {@link File} - for directories,
	 * recursively delete any nested directories or files as well.
	 * @param root the root <code>File to delete
	 * @return <code>true if the File was deleted,
	 * otherwise <code>false
	 */
	public static boolean deleteRecursively(File root) {
		if (root.exists()) {
			if (root.isDirectory()) {
				File[] children = root.listFiles();
				for (int i = 0; i < children.length; i++) {
					deleteRecursively(children[i]);
				}
			}
			return root.delete();
		}
		return false;
	}

	/**
	 * Recursively copy the contents of <code>src to dest.
	 * @param src the source file
	 * @param dest the destination file
	 * @throws IOException in the case of I/O errors
	 */
	public static void copyRecursively(File src, File dest) throws IOException {
		dest.mkdir();
		File[] entries = src.listFiles();
		for (int i = 0; i < entries.length; i++) {
			File file = entries[i];
			File newFile = new File(dest, file.getName());
			if (file.isFile()) {
				newFile.createNewFile();
				FileCopyUtils.copy(file, newFile);
			}
			else {
				copyRecursively(file, newFile);
			}
		}
	}

}