2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
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4 * Permission is hereby granted, free of charge, to any person obtaining a copy
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5 * of this software and associated documentation files (the "Software"), to deal
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6 * in the Software without restriction, including without limitation the rights
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7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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8 * copies of the Software, and to permit persons to whom the Software is
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9 * furnished to do so, subject to the following conditions:
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11 * The above copyright notice and this permission notice shall be included in
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12 * all copies or substantial portions of the Software.
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14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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23 package com.liferay.documentlibrary.util;
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25 import java.io.File;
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26 import java.io.FileInputStream;
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27 import java.io.IOException;
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28 import java.io.InputStream;
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29 import java.util.Arrays;
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31 import com.liferay.portal.kernel.exception.PortalException;
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32 import com.liferay.portal.kernel.exception.SystemException;
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33 import com.liferay.portal.kernel.util.FileUtil;
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34 import com.liferay.portal.kernel.util.GetterUtil;
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35 import com.liferay.portal.kernel.util.StringPool;
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36 import com.liferay.portal.kernel.util.StringUtil;
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37 import com.liferay.portal.util.PropsUtil;
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38 import com.liferay.portlet.documentlibrary.NoSuchDirectoryException;
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39 import com.liferay.portlet.documentlibrary.NoSuchFileException;
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40 import com.liferay.portlet.documentlibrary.folder.service.DLFolderLocalServiceUtil;
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41 import com.liferay.portlet.documentlibrary.model.DLFileEntry;
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42 import com.liferay.portlet.documentlibrary.model.DLFolder;
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43 import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
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44 import com.pentila.entSavoie.cartable.model.DlLink;
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45 import com.pentila.entSavoie.cartable.service.DlLinkLocalServiceUtil;
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48 * <a href="FileSystemHook.java.html"><b><i>View Source</i></b></a>
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50 * @author Brian Wing Shun Chan
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51 * @author Sten Martinez
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54 public class FileSystemHook {
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56 public final double DEFAULT_VERSION = 1.0;
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58 public FileSystemHook() {
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59 if (!_rootDir.exists()) {
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64 public void checkRoot(long companyId) {
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68 public InputStream getFileAsStream(
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69 long companyId, long repositoryId, String fileName,
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70 double versionNumber)
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71 throws PortalException, SystemException {
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73 // check for a link --> dropBox use of link so no version, don't care of it!!!!
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75 DLFolder folder = DLFolderLocalServiceUtil.getDLFolder(repositoryId);
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76 DLFileEntry fileAsked = DLFileEntryLocalServiceUtil.getFileEntry(folder.getGroupId(), repositoryId, fileName);
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77 DlLink dll = DlLinkLocalServiceUtil.getDlFileLinkByTarget(fileAsked.getFileEntryId());
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78 // we have a link so we take the source content !!!!!
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79 DLFileEntry dlfe = DLFileEntryLocalServiceUtil.getDLFileEntry(dll.getSourceId());
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80 repositoryId = dlfe.getFolderId();
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81 fileName = dlfe.getName();
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82 } catch (Exception e1) {
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86 if (versionNumber == 0) {
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87 versionNumber = getHeadVersionNumber(
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88 companyId, repositoryId, fileName);
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91 File fileNameVersionFile = getFileNameVersionFile(
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92 companyId, repositoryId, fileName, versionNumber);
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94 if (!fileNameVersionFile.exists()) {
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95 System.out.println("FILE NOT EXISTS " + fileNameVersionFile.getPath());
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96 throw new NoSuchFileException();
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99 return new FileInputStream(fileNameVersionFile);
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101 catch (IOException ioe) {
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102 throw new SystemException();
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106 public String[] getFileNames(
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107 long companyId, long repositoryId, String dirName)
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108 throws PortalException {
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110 File dirNameDir = getDirNameDir(companyId, repositoryId, dirName);
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112 if (!dirNameDir.exists()) {
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113 throw new NoSuchDirectoryException();
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116 String[] fileNames = FileUtil.listDirs(dirNameDir);
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118 Arrays.sort(fileNames);
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120 // Convert /${fileName} to /${dirName}/${fileName}
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122 for (int i = 0; i < fileNames.length; i++) {
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124 StringPool.SLASH + dirName + StringPool.SLASH + fileNames[i];
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130 protected File getCompanyDir(long companyId) {
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131 File companyDir = new File(_rootDir + StringPool.SLASH + companyId);
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133 if (!companyDir.exists()) {
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134 companyDir.mkdirs();
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140 protected File getDirNameDir(
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141 long companyId, long repositoryId, String dirName) {
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143 File repositoryDir = getRepositoryDir(companyId, repositoryId);
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145 return new File(repositoryDir + StringPool.SLASH + dirName);
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148 protected String hashRepositoryID(String base, String repositoryId) {
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149 if(repositoryId.length()==0){
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152 if (repositoryId.length()<=4){
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153 return base + StringPool.SLASH + repositoryId;
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156 return hashRepositoryID(base + StringPool.SLASH + repositoryId.substring(0, 4), repositoryId.substring(4));
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159 protected File getRepositoryDir(long companyId, long repositoryId) {
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160 // ok on hack tout cela pour hasher le repository ID !!!!
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161 File companyDir = getCompanyDir(companyId);
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163 String newRepoId = hashRepositoryID("", String.valueOf(repositoryId));
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165 File repositoryDir = new File(
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166 companyDir + StringPool.SLASH + newRepoId);
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168 if (!repositoryDir.exists()) {
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169 repositoryDir.mkdirs();
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172 return repositoryDir;
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175 protected File getFileNameDir(
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176 long companyId, long repositoryId, String fileName) {
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178 String ext = StringPool.PERIOD + FileUtil.getExtension(fileName);
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180 int pos = fileName.lastIndexOf(StringPool.SLASH);
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183 StringBuilder sb = new StringBuilder();
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185 String fileNameFragment = removeExtension(fileName);
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187 if (fileNameFragment.startsWith("DLFE-")) {
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188 fileNameFragment = fileNameFragment.substring(5);
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190 sb.append("DLFE" + StringPool.SLASH);
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193 buildPath(sb, fileNameFragment);
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195 File repositoryDir = getRepositoryDir(companyId, repositoryId);
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198 repositoryDir + StringPool.SLASH + sb.toString() +
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199 StringPool.SLASH + fileNameFragment + ext);
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202 File fileNameDir = getDirNameDir(companyId, repositoryId, fileName);
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203 return fileNameDir;
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207 protected File getFileNameVersionFile(
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208 long companyId, long repositoryId, String fileName, double version) {
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211 String ext = StringPool.PERIOD + FileUtil.getExtension(fileName);
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213 int pos = fileName.lastIndexOf(StringPool.SLASH);
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216 StringBuilder sb = new StringBuilder();
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218 String fileNameFragment = removeExtension(fileName);
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220 if (fileNameFragment.startsWith("DLFE-")) {
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221 fileNameFragment = fileNameFragment.substring(5);
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223 sb.append("DLFE" + StringPool.SLASH);
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226 sb.append("DLFE" + StringPool.SLASH);
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229 buildPath(sb, fileNameFragment);
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231 File repositoryDir = getRepositoryDir(companyId, repositoryId);
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234 repositoryDir + StringPool.SLASH + sb.toString() +
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235 StringPool.SLASH + fileNameFragment + ext +
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236 StringPool.SLASH + fileNameFragment +
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237 StringPool.UNDERLINE + version + ext);
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240 File fileNameDir = getDirNameDir(companyId, repositoryId, fileName);
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242 String fileNameFragment = removeExtension(
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243 fileName.substring(pos + 1));
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246 fileNameDir + StringPool.SLASH + fileNameFragment +
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247 StringPool.UNDERLINE + version + ext);
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251 protected double getHeadVersionNumber(
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252 long companyId, long repositoryId, String fileName) {
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254 File fileNameDir = getFileNameDir(companyId, repositoryId, fileName);
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255 if (!fileNameDir.exists()) {
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256 return DEFAULT_VERSION;
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259 String[] versionNumbers = FileUtil.listFiles(fileNameDir);
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261 double headVersionNumber = DEFAULT_VERSION;
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263 for (int i = 0; i < versionNumbers.length; i++) {
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264 double versionNumber = GetterUtil.getDouble(versionNumbers[i]);
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266 if (versionNumber > headVersionNumber) {
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267 headVersionNumber = versionNumber;
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271 return headVersionNumber;
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274 protected String removeExtension(String fileName) {
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275 String ext = FileUtil.getExtension(fileName);
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278 fileName = fileName.substring(
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279 0, fileName.length() - ext.length() - 1);
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285 protected void buildPath(StringBuilder sb, String fileNameFragment) {
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286 if (fileNameFragment.length() <= 2) {
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290 if (getDepth(sb.toString()) > 3) {
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294 sb.append(fileNameFragment.substring(0, 2) + StringPool.SLASH);
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296 buildPath(sb, fileNameFragment.substring(2));
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299 protected int getDepth(String path) {
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300 String[] fragments = StringUtil.split(path, StringPool.SLASH);
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302 return fragments.length;
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305 private File _rootDir = new File(PropsUtil.get("liferay.5.2.3.file.system.root.dir"));
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