|
1 /* |
|
2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Contains implementation of FileUtilities |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include <dirent.h> |
|
20 #include <errno.h> |
|
21 #include <sys/stat.h> |
|
22 #include <unistd.h> |
|
23 #include <stack> |
|
24 |
|
25 #include "logger.h" |
|
26 #include "javaoslayer.h" |
|
27 #include "javacommonutils.h" |
|
28 #include "fileutilities.h" |
|
29 |
|
30 using namespace java::fileutils; |
|
31 using namespace java::util; |
|
32 |
|
33 OS_EXPORT bool FileUtilities::isFile(const std::wstring& aPath) |
|
34 { |
|
35 JELOG2(EJavaFile); |
|
36 char* utf8Name = JavaCommonUtils::wstringToUtf8(aPath); |
|
37 struct stat fileStat; |
|
38 int error = lstat(utf8Name, &fileStat); |
|
39 |
|
40 bool retValue = false; |
|
41 |
|
42 // If there was no error, then go ahead and retrieve the data out of struct. |
|
43 if (0 == error) |
|
44 { |
|
45 mode_t mode = fileStat.st_mode; |
|
46 |
|
47 if (S_ISREG(mode)) |
|
48 { // If it is regular file, return true. |
|
49 retValue = true; |
|
50 } |
|
51 } |
|
52 else |
|
53 { |
|
54 LOG1(EJavaFile, EInfo, |
|
55 "FileUtilities::isFile: Unable to stat file: %s", utf8Name); |
|
56 } |
|
57 |
|
58 // Deallocate utf8 name |
|
59 delete[] utf8Name; |
|
60 return retValue; |
|
61 } |
|
62 |
|
63 OS_EXPORT bool FileUtilities::isDirectory(const std::wstring& aPath) |
|
64 { |
|
65 JELOG2(EJavaFile); |
|
66 char* utf8Name = JavaCommonUtils::wstringToUtf8(aPath); |
|
67 struct stat fileStat; |
|
68 int error = lstat(utf8Name, &fileStat); |
|
69 bool retValue = false; |
|
70 |
|
71 // If there was no error, then go ahead and retrieve the data out of struct. |
|
72 if (0 == error) |
|
73 { |
|
74 mode_t mode = fileStat.st_mode; |
|
75 |
|
76 if (S_ISDIR(mode)) |
|
77 { |
|
78 // If it is directory, return true. |
|
79 retValue = true; |
|
80 } |
|
81 } |
|
82 else |
|
83 { |
|
84 LOG1(EJavaFile, EInfo, |
|
85 "FileUtilities::isDirectory: Unable to stat file: %s", utf8Name); |
|
86 } |
|
87 |
|
88 // Deallocate utf8 name |
|
89 delete[] utf8Name; |
|
90 return retValue; |
|
91 } |
|
92 |
|
93 OS_EXPORT bool FileUtilities::exists(const std::wstring& aPath) |
|
94 { |
|
95 JELOG2(EJavaFile); |
|
96 char* utf8Name = JavaCommonUtils::wstringToUtf8(aPath); |
|
97 bool retValue = false; |
|
98 |
|
99 struct stat fileStat; |
|
100 |
|
101 // We try to stat the file, if it succeeds, then we can say it exists. |
|
102 // When we try to stat, the file is not opened. So, even if access restrictions |
|
103 // are present, we can still know if it exists. |
|
104 int error = lstat(utf8Name, &fileStat); |
|
105 if (0 == error) |
|
106 { |
|
107 retValue = true; |
|
108 } |
|
109 else |
|
110 { |
|
111 LOG1(EJavaFile, EInfo, "FileUtilities::exists: Unable to stat file %s", |
|
112 utf8Name); |
|
113 } |
|
114 |
|
115 delete[] utf8Name; |
|
116 return retValue; |
|
117 } |
|
118 |
|
119 OS_EXPORT bool FileUtilities::canRead(const std::wstring& aPath) |
|
120 { |
|
121 JELOG2(EJavaFile); |
|
122 char* utf8Name = JavaCommonUtils::wstringToUtf8(aPath); |
|
123 bool retValue = false; |
|
124 |
|
125 struct stat fileStat; |
|
126 int error = lstat(utf8Name, &fileStat); |
|
127 |
|
128 if (0 == error) |
|
129 { |
|
130 mode_t curMode = fileStat.st_mode; |
|
131 |
|
132 if (curMode & (S_IRUSR)) |
|
133 { |
|
134 retValue = true; |
|
135 } |
|
136 } |
|
137 else |
|
138 { |
|
139 LOG1(EJavaFile, EInfo, |
|
140 "FileUtilities::canRead: Unable to check access for %s", |
|
141 utf8Name); |
|
142 } |
|
143 |
|
144 delete[] utf8Name; |
|
145 return retValue; |
|
146 } |
|
147 |
|
148 OS_EXPORT bool FileUtilities::canWrite(const std::wstring& aPath) |
|
149 { |
|
150 JELOG2(EJavaFile); |
|
151 char* utf8Name = JavaCommonUtils::wstringToUtf8(aPath); |
|
152 bool retValue = false; |
|
153 |
|
154 struct stat fileStat; |
|
155 int error = lstat(utf8Name, &fileStat); |
|
156 |
|
157 if (0 == error) |
|
158 { |
|
159 mode_t curMode = fileStat.st_mode; |
|
160 |
|
161 if (curMode & (S_IWUSR)) |
|
162 { |
|
163 retValue = true; |
|
164 } |
|
165 } |
|
166 else |
|
167 { |
|
168 LOG2( |
|
169 EJavaFile, |
|
170 EInfo, |
|
171 "FileUtilities::canWrite: Unable to check access for %s: Error: %d", |
|
172 utf8Name, errno); |
|
173 } |
|
174 |
|
175 delete[] utf8Name; |
|
176 return retValue; |
|
177 } |
|
178 |
|
179 OS_EXPORT long FileUtilities::fileSize(const std::wstring& aPath) |
|
180 { |
|
181 JELOG2(EJavaFile); |
|
182 char* utf8Name = JavaCommonUtils::wstringToUtf8(aPath); |
|
183 |
|
184 struct stat fileStat; |
|
185 int error = lstat(utf8Name, &fileStat); |
|
186 |
|
187 long retValue = 0; |
|
188 if (0 == error) |
|
189 { |
|
190 retValue = fileStat.st_size; |
|
191 } |
|
192 else |
|
193 { |
|
194 ELOG2(EJavaFile, |
|
195 "FileUtilities::fileSize: Unable to stat file %s: errno: ", |
|
196 utf8Name, errno); |
|
197 |
|
198 delete[] utf8Name; |
|
199 int error = errno; |
|
200 throw error; |
|
201 } |
|
202 |
|
203 delete[] utf8Name; |
|
204 return retValue; |
|
205 } |
|
206 |
|
207 OS_EXPORT long FileUtilities::lastModified(const std::wstring& aPath) |
|
208 { |
|
209 JELOG2(EJavaFile); |
|
210 char* utf8Name = JavaCommonUtils::wstringToUtf8(aPath); |
|
211 |
|
212 struct stat fileStat; |
|
213 int error = lstat(utf8Name, &fileStat); |
|
214 |
|
215 long retValue = 0; |
|
216 if (0 == error) |
|
217 { |
|
218 retValue = fileStat.st_mtime; |
|
219 } |
|
220 else |
|
221 { |
|
222 ELOG2( |
|
223 EJavaFile, |
|
224 "FileUtilities::lastModified: Error stating file. return = 0 %s: errno: ", |
|
225 utf8Name, errno); |
|
226 retValue = 0; |
|
227 } |
|
228 |
|
229 delete[] utf8Name; |
|
230 return retValue; |
|
231 } |
|
232 |
|
233 OS_EXPORT long FileUtilities::getDirSize(const std::wstring& origDirName, |
|
234 const bool includeSubDirs) |
|
235 { |
|
236 JELOG2(EJavaFile); |
|
237 |
|
238 long totalSize = 0; |
|
239 char* multiByteDirName = java::util::JavaCommonUtils::wstringToUtf8( |
|
240 origDirName); |
|
241 std::string dirName(multiByteDirName); |
|
242 std::stack<std::string> subDirs; |
|
243 subDirs.push(dirName); |
|
244 |
|
245 while (!subDirs.empty()) |
|
246 { |
|
247 //while stack not empty, keep stating files |
|
248 dirName = subDirs.top(); |
|
249 subDirs.pop(); |
|
250 DIR* wDirHandle = opendir(dirName.c_str()); |
|
251 if (wDirHandle) |
|
252 { |
|
253 struct dirent* dir = readdir(wDirHandle); |
|
254 while (dir) |
|
255 { |
|
256 //dirName = subDirs.top(); |
|
257 std::string name(dirName); |
|
258 name += "/"; |
|
259 name += std::string(dir->d_name); |
|
260 |
|
261 LOG1(EJavaFile, EInfo, |
|
262 " FileUtilities::getDirSize(): Stating %s", |
|
263 name.c_str()); |
|
264 struct stat buf; |
|
265 if (stat(name.c_str(), &buf) == 0) |
|
266 { |
|
267 totalSize += buf.st_size; |
|
268 |
|
269 if (includeSubDirs && S_ISDIR(buf.st_mode)) |
|
270 { |
|
271 //if it is directory, put it onto stack |
|
272 subDirs.push(name); |
|
273 } |
|
274 } |
|
275 dir = readdir(wDirHandle); |
|
276 } |
|
277 closedir(wDirHandle); |
|
278 } |
|
279 } |
|
280 |
|
281 delete[] multiByteDirName; //JavaCommonUtils Allocates Memory |
|
282 return totalSize; |
|
283 } |
|
284 |
|
285 OS_EXPORT std::list<std::wstring> FileUtilities::getDirContentsList(const std::wstring& dirName) |
|
286 { |
|
287 JELOG2(EJavaFile); |
|
288 std::list<std::wstring> contentList; |
|
289 std::wstring stringContents = getDirContents(dirName); |
|
290 |
|
291 wchar_t* delim = L"*"; |
|
292 wchar_t* last; |
|
293 wchar_t* tok; |
|
294 wchar_t* stringToTokenize = new wchar_t[ stringContents.length()+1 ]; |
|
295 wcscpy(stringToTokenize, stringContents.c_str()); |
|
296 |
|
297 for (tok = wcstok(stringToTokenize,delim,&last); tok!=NULL; |
|
298 tok = wcstok(NULL, delim, &last)) |
|
299 { |
|
300 LOG1(EJavaFile, EInfo, " FileUtilities::getDirContentsList(): Adding %S", tok); |
|
301 contentList.push_back(std::wstring(tok)); |
|
302 } |
|
303 |
|
304 delete[] stringToTokenize; |
|
305 return contentList; |
|
306 } |
|
307 |
|
308 OS_EXPORT int FileUtilities::makeDirAll(const std::wstring& aDirPath) |
|
309 { |
|
310 JELOG2(EJavaFile); |
|
311 bool ableToOpen = true; |
|
312 std::wstring path; |
|
313 wchar_t *last, *tok, *delim =L"/" ; |
|
314 wchar_t *stringToTokenize = new wchar_t[aDirPath.length()+ 1]; |
|
315 wcscpy(stringToTokenize, aDirPath.c_str()); |
|
316 |
|
317 for (tok = wcstok(stringToTokenize,delim,&last); tok!=NULL; |
|
318 tok = wcstok(NULL, delim, &last)) |
|
319 { |
|
320 path += std::wstring(tok); |
|
321 path += L"/"; |
|
322 char *dirName = JavaCommonUtils::wstringToUtf8(path); |
|
323 if (ableToOpen) |
|
324 { |
|
325 if (!opendir(dirName)) |
|
326 { |
|
327 ableToOpen = false; |
|
328 if (mkdir(dirName,0666)<0) |
|
329 { |
|
330 WLOG1(EJavaFile,"FileUtilities::makeDirAll: Directory Creation Failed : %s",dirName); |
|
331 delete[] dirName; |
|
332 delete[] stringToTokenize; |
|
333 return -1; |
|
334 } |
|
335 } |
|
336 } |
|
337 else |
|
338 { |
|
339 if (mkdir(dirName,0666)<0) |
|
340 { |
|
341 ELOG1(EJavaFile, "FileUtilities::makeDirAll: Directory Creation Failed : %s",dirName); |
|
342 delete[] dirName; |
|
343 delete[] stringToTokenize; |
|
344 return -1; |
|
345 } |
|
346 } |
|
347 delete[] dirName; |
|
348 } |
|
349 delete[] stringToTokenize; |
|
350 return 0; |
|
351 } |
|
352 |
|
353 OS_EXPORT std::wstring FileUtilities::getDirContents(const std::wstring& aDirName) |
|
354 { |
|
355 return getDirContents(aDirName, true); |
|
356 } |