| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| FileUtils |
|
| 2.6666666666666665;2.667 |
| 1 | /* | |
| 2 | StatCvs - CVS statistics generation | |
| 3 | Copyright (C) 2002 Lukasz Pekacki <lukasz@pekacki.de> | |
| 4 | http://statcvs.sf.net/ | |
| 5 | | |
| 6 | This library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Lesser General Public | |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | This library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | Lesser General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Lesser General Public | |
| 17 | License along with this library; if not, write to the Free Software | |
| 18 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 19 | | |
| 20 | $RCSfile: FileUtils.java,v $ | |
| 21 | Created on $Date: 2008/04/02 11:52:02 $ | |
| 22 | */ | |
| 23 | package net.sf.statcvs.util; | |
| 24 | ||
| 25 | import java.io.File; | |
| 26 | import java.io.FileNotFoundException; | |
| 27 | import java.io.FileOutputStream; | |
| 28 | import java.io.FileReader; | |
| 29 | import java.io.FileWriter; | |
| 30 | import java.io.IOException; | |
| 31 | import java.io.InputStream; | |
| 32 | ||
| 33 | /** | |
| 34 | * Some helpful file functions | |
| 35 | * TODO: Remove redundancy, write tests | |
| 36 | * @author Lukasz Pekacki | |
| 37 | * @version $Id: FileUtils.java,v 1.20 2008/04/02 11:52:02 benoitx Exp $ | |
| 38 | */ | |
| 39 | 0 | public class FileUtils { |
| 40 | /** | |
| 41 | * Copyies a file to a specified desitination | |
| 42 | * @param inputName File | |
| 43 | * @param destination Filename | |
| 44 | * @throws FileNotFoundException if no input file exists | |
| 45 | * @throws IOException if cannot read or write | |
| 46 | */ | |
| 47 | public static void copyFile(final String inputName, final String destination) throws FileNotFoundException, IOException { | |
| 48 | 0 | final File input = new File(inputName); |
| 49 | 0 | final File outputFile = new File(destination); |
| 50 | 0 | FileReader in = null; |
| 51 | 0 | FileWriter out = null; |
| 52 | try { | |
| 53 | 0 | in = new FileReader(input); |
| 54 | 0 | out = new FileWriter(outputFile); |
| 55 | int c; | |
| 56 | 0 | while ((c = in.read()) != -1) { |
| 57 | 0 | out.write(c); |
| 58 | 0 | } |
| 59 | 0 | } finally { |
| 60 | 0 | try { |
| 61 | 0 | if (in != null) { |
| 62 | 0 | in.close(); |
| 63 | } | |
| 64 | } finally { | |
| 65 | 0 | if (out != null) { |
| 66 | 0 | out.close(); |
| 67 | } | |
| 68 | } | |
| 69 | 0 | } |
| 70 | 0 | } |
| 71 | 0 | |
| 72 | 0 | /** |
| 73 | 0 | * Copy a InputStream into a File |
| 74 | 0 | * @param in source |
| 75 | * @param out destination | |
| 76 | 0 | * @throws FileNotFoundException if not found |
| 77 | 0 | * @throws IOException if read/write error |
| 78 | 0 | */ |
| 79 | public static void copyFile(final InputStream in, final File out) throws FileNotFoundException, IOException { | |
| 80 | 0 | final InputStream fis = in; |
| 81 | 0 | FileOutputStream fos = null; |
| 82 | try { | |
| 83 | 0 | fos = new FileOutputStream(out); |
| 84 | 0 | final byte[] buf = new byte[1024]; |
| 85 | 0 | int i = 0; |
| 86 | 0 | while ((i = fis.read(buf)) > 0) { |
| 87 | 0 | fos.write(buf, 0, i); |
| 88 | } | |
| 89 | 0 | } finally { |
| 90 | 0 | try { |
| 91 | 0 | fis.close(); |
| 92 | } finally { | |
| 93 | 0 | if (fos != null) { |
| 94 | 0 | fos.close(); |
| 95 | 0 | } |
| 96 | } | |
| 97 | 0 | } |
| 98 | 0 | } |
| 99 | ||
| 100 | /** | |
| 101 | * Takes a filename with path and returns just the filename. | |
| 102 | * @param filename a filename with path | |
| 103 | * @return just the filename part | |
| 104 | 0 | */ |
| 105 | public static String getFilenameWithoutPath(final String filename) { | |
| 106 | 0 | final File f = new File(filename); |
| 107 | 0 | return f.getName(); |
| 108 | } | |
| 109 | ||
| 110 | /** | |
| 111 | * Returns the os dependend path seperator | |
| 112 | * @return String os dependend path seperator | |
| 113 | */ | |
| 114 | public static String getDirSeparator() { | |
| 115 | 60 | return System.getProperty("file.separator"); |
| 116 | } | |
| 117 | ||
| 118 | /** | |
| 119 | * Returns the java path seperator | |
| 120 | * @return String java path seperator | |
| 121 | */ | |
| 122 | public static String getDefaultDirSeparator() { | |
| 123 | // Thanks for this hint in our bug tracking system | |
| 124 | 60 | return java.io.File.separator; |
| 125 | 0 | } |
| 126 | 0 | |
| 127 | /** | |
| 128 | 0 | * Deletes the ending directory separator of a |
| 129 | * given <code>path</code> if there is one and returns | |
| 130 | * the result. | |
| 131 | * Otherwise the path is unhandled returned. | |
| 132 | * | |
| 133 | * <p>The separator is the one used bye the | |
| 134 | * underlying operating system and it is the one returned | |
| 135 | * bye the <code>getDirSeparator()</code> method. | |
| 136 | * | |
| 137 | * @param path The <code>path</code> to delete the directory | |
| 138 | * separator from. | |
| 139 | * @return The <code>path</code> without the ending | |
| 140 | 0 | * directory separator. |
| 141 | * @see net.sf.statcvs.util.FileUtils#getDirSeparator | |
| 142 | */ | |
| 143 | public static String getPathWithoutEndingSlash(final String path) { | |
| 144 | 0 | if (path.endsWith(getDefaultDirSeparator())) { |
| 145 | 0 | final int pos = path.lastIndexOf(getDefaultDirSeparator()); |
| 146 | 0 | return path.substring(0, pos); |
| 147 | } | |
| 148 | 0 | return path; |
| 149 | 0 | } |
| 150 | 0 | |
| 151 | /** | |
| 152 | 0 | * Concatenates <code>path</code> and filename to an |
| 153 | 0 | * absolute filename by inserting the system file separator. |
| 154 | 0 | * |
| 155 | 0 | * @param path The path to use. |
| 156 | * @param filename The filename for concatenation. | |
| 157 | 0 | * @return The concatenated absolute filename. |
| 158 | */ | |
| 159 | public static String getAbsoluteName(final String path, final String filename) { | |
| 160 | 60 | return path + getDirSeparator() + filename; |
| 161 | } | |
| 162 | ||
| 163 | /** | |
| 164 | * Returns the last compontent of a directory path. | |
| 165 | * @param path a directory, ending in "/", for example "src/net/sf/statcvs/" | |
| 166 | 0 | * @return the last component of the path, for example "statcvs" |
| 167 | 0 | */ |
| 168 | public static String getDirectoryName(final String path) { | |
| 169 | 90 | if ("".equals(path)) { |
| 170 | 6 | throw new IllegalArgumentException("can't get directory name for root"); |
| 171 | 0 | } |
| 172 | 84 | final String pathWithoutLastSlash = path.substring(0, path.length() - 1); |
| 173 | 84 | final int lastSlash = pathWithoutLastSlash.lastIndexOf('/'); |
| 174 | 84 | if (lastSlash == -1) { |
| 175 | 24 | return pathWithoutLastSlash; |
| 176 | } | |
| 177 | 60 | return pathWithoutLastSlash.substring(lastSlash + 1); |
| 178 | } | |
| 179 | ||
| 180 | /** | |
| 181 | * Returns all but the last compontent of a directory path | |
| 182 | * @param path a directory, ending in "/", for example "src/net/sf/statcvs/" | |
| 183 | * @return all but the last component of the path, for example "src/net/sf/" | |
| 184 | */ | |
| 185 | public static String getParentDirectoryPath(final String path) { | |
| 186 | 150 | if ("".equals(path)) { |
| 187 | 6 | throw new IllegalArgumentException("can't get directory name for root"); |
| 188 | } | |
| 189 | 144 | final String pathWithoutLastSlash = path.substring(0, path.length() - 1); |
| 190 | 144 | final int lastSlash = pathWithoutLastSlash.lastIndexOf('/'); |
| 191 | 144 | if (lastSlash == -1) { |
| 192 | 84 | return ""; |
| 193 | } | |
| 194 | 60 | return pathWithoutLastSlash.substring(0, lastSlash + 1); |
| 195 | } | |
| 196 | } |