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org.apache.turbine.util.FileUtils |
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1 | package org.apache.turbine.util; |
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2 | ||
3 | /* |
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4 | * Copyright 2001-2005 The Apache Software Foundation. |
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5 | * |
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6 | * Licensed under the Apache License, Version 2.0 (the "License") |
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7 | * you may not use this file except in compliance with the License. |
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8 | * You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | ||
19 | /** |
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20 | * Common {@link java.io.File} manipulation routines. |
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21 | * |
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22 | * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a> |
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23 | * @version $Id: FileUtils.java 264148 2005-08-29 14:21:04Z henning $ |
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24 | * @deprecated This class will be removed after the 2.3 release. Please |
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25 | * use FileUtils from <a href="http://jakarta.apache.org/commons/">commons-io</a>. |
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26 | */ |
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27 | 0 | public class FileUtils |
28 | { |
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29 | /** |
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30 | * The number of bytes in a kilobyte. |
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31 | */ |
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32 | public static final int ONE_KB = 1024; |
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33 | ||
34 | /** |
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35 | * The number of bytes in a megabyte. |
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36 | */ |
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37 | public static final int ONE_MB = ONE_KB * ONE_KB; |
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38 | ||
39 | /** |
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40 | * The number of bytes in a gigabyte. |
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41 | */ |
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42 | public static final int ONE_GB = ONE_KB * ONE_MB; |
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43 | ||
44 | /** |
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45 | * Returns a human-readable version of the file size (original is in |
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46 | * bytes). |
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47 | * |
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48 | * @param size The number of bytes. |
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49 | * @return A human-readable display value (includes units). |
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50 | */ |
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51 | public static String byteCountToDisplaySize(int size) |
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52 | { |
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53 | String displaySize; |
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54 | ||
55 | 0 | if (size / ONE_GB > 0) |
56 | { |
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57 | 0 | displaySize = String.valueOf(size / ONE_GB) + " GB"; |
58 | } |
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59 | 0 | else if (size / ONE_MB > 0) |
60 | { |
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61 | 0 | displaySize = String.valueOf(size / ONE_MB) + " MB"; |
62 | } |
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63 | 0 | else if (size / ONE_KB > 0) |
64 | { |
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65 | 0 | displaySize = String.valueOf(size / ONE_KB) + " kB"; |
66 | } |
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67 | else |
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68 | { |
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69 | 0 | displaySize = String.valueOf(size) + " bytes"; |
70 | } |
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71 | ||
72 | 0 | return displaySize; |
73 | } |
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74 | } |
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