127 lines
4.2 KiB
Java
127 lines
4.2 KiB
Java
/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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package helper;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* This class deliver some functionality to copy files.
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*/
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public class FileTools {
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/**
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* Copies all files under srcDir to dstDir.
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* If dstDir does not exist, it will be created.
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* @param srcDir the source directory
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* @param dstDir the destination directory
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* @throws java.io.IOException throws java.io.IOException if something fails
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*/
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public static void copyDirectory(File srcDir, File dstDir)
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throws java.io.IOException {
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copyDirectory(srcDir, dstDir, new String[]{});
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}
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/**
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* Copies all files under srcDir to dstDir except Files given in the
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* ignore list. This files will not be copied.
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* If dstDir does not exist, it will be created.
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* @param srcDir the source directory
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* @param dstDir the destination directory
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* @param ignore a list of files which should not be copied
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* @throws java.io.IOException throws java.io.IOException if something fails
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*/
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public static void copyDirectory(File srcDir, File dstDir, String[] ignore)
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throws java.io.IOException {
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for (int i=0; i<ignore.length;i++){
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if (srcDir.getName().endsWith(ignore[i])) {
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return;
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}
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}
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if (srcDir.isDirectory()) {
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if (!dstDir.exists()) {
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if (!dstDir.mkdir()) {
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throw new java.io.IOException("could not create folder " + dstDir);
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}
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}
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String[] files = srcDir.list();
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for (int i=0; i< files.length; i++) {
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copyDirectory(new File(srcDir, files[i]), new File(dstDir, files[i]), ignore);
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}
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} else {
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// This method is implemented in e1071 Copying a File
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copyFile(srcDir, dstDir);
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}
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}
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/**
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* Copies src file to dst file. If the dst file does not exist, it is created
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* @param src the source file
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* @param dst the destination file
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* @throws java.io.IOException throws java.io.IOException if something fails
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*/
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public static void copyFile(File src, File dst) throws java.io.IOException {
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InputStream in = null;
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OutputStream out = null;
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try {
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in = new FileInputStream(src);
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try {
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out = new FileOutputStream(dst);
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// Transfer bytes from in to out
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byte[] buf = new byte[1024];
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int len;
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while ((len = in.read(buf)) > 0) {
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out.write(buf, 0, len);
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}
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} finally {
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if (out != null)
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out.close();
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}
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} finally {
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if (in != null)
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in.close();
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}
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}
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public static boolean cleanDir(File dir)
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{
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if (dir.isDirectory())
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{
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String[] children = dir.list();
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for (int i=0; i<children.length; i++)
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{
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boolean success = cleanDir(new File(dir, children[i]));
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if (!success)
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{
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return false;
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}
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}
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}
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// The directory is now empty so delete it
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return dir.delete();
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}
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}
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