81 lines
2.5 KiB
Java
81 lines
2.5 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright 2015 Cloudius Systems
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*
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* Modified by Cloudius Systems
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*/
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package com.scylladb.jmx.utils;
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import java.io.File;
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import java.text.DecimalFormat;
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public class FileUtils {
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private static final double KB = 1024d;
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private static final double MB = 1024 * 1024d;
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private static final double GB = 1024 * 1024 * 1024d;
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private static final double TB = 1024 * 1024 * 1024 * 1024d;
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private static final DecimalFormat df = new DecimalFormat("#.##");
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public static String stringifyFileSize(double value) {
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double d;
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if (value >= TB) {
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d = value / TB;
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String val = df.format(d);
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return val + " TB";
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} else if (value >= GB) {
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d = value / GB;
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String val = df.format(d);
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return val + " GB";
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} else if (value >= MB) {
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d = value / MB;
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String val = df.format(d);
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return val + " MB";
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} else if (value >= KB) {
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d = value / KB;
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String val = df.format(d);
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return val + " KB";
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} else {
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String val = df.format(value);
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return val + " bytes";
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}
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}
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/**
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* Get the size of a directory in bytes
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*
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* @param directory
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* The directory for which we need size.
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* @return The size of the directory
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*/
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public static long folderSize(File directory) {
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long length = 0;
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for (File file : directory.listFiles()) {
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if (file.isFile()) {
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length += file.length();
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} else {
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length += folderSize(file);
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}
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}
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return length;
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}
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}
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