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WP8/WinRT : Proper absolute path

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WP8/WinRT : Last modified time
This commit is contained in:
Alexey Pelykh 2013-02-01 17:49:08 +02:00
parent 11eda6af3e
commit e358a681b2
1 changed files with 91 additions and 31 deletions
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100
classpath/java-io.cpp
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@ -240,8 +240,29 @@ Java_java_io_File_toAbsolutePath(JNIEnv* e UNUSED, jclass, jstring path)
return path; return path;
# else # else
// WinRT has no concept of full paths, so any file string_t chars = getChars(e, path);
// accessed should already have full path, or it has explicit origin if(chars) {
LARGE_INTEGER fileSize;
HANDLE file = CreateFile2
(chars, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, nullptr);
releaseChars(e, path, chars);
if (file == INVALID_HANDLE_VALUE)
return path;
uint8_t buffer[sizeof(FILE_NAME_INFO) + sizeof(WCHAR)*MAX_PATH];
memset(&buffer[0], 0, sizeof(buffer));
FILE_NAME_INFO* pInfo = reinterpret_cast<FILE_NAME_INFO*>(&buffer[0]);
if(!GetFileInformationByHandleEx(file, FileNameInfo, pInfo, sizeof(buffer)))
{
CloseHandle(file);
return path;
}
CloseHandle(file);
return e->NewString
(reinterpret_cast<const jchar*>(pInfo->FileName), pInfo->FileNameLength / sizeof(WCHAR));
}
return path; return path;
# endif # endif
#else #else
@ -267,11 +288,11 @@ Java_java_io_File_toAbsolutePath(JNIEnv* e UNUSED, jclass, jstring path)
extern "C" JNIEXPORT jlong JNICALL extern "C" JNIEXPORT jlong JNICALL
Java_java_io_File_length(JNIEnv* e, jclass, jstring path) Java_java_io_File_length(JNIEnv* e, jclass, jstring path)
{ {
#ifdef PLATFORM_WINDOWS #ifdef PLATFORM_WINDOWS
LARGE_INTEGER fileSize;
string_t chars = getChars(e, path); string_t chars = getChars(e, path);
if(chars) {
LARGE_INTEGER fileSize;
#if !defined(WINAPI_FAMILY) || WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) #if !defined(WINAPI_FAMILY) || WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
HANDLE file = CreateFileW HANDLE file = CreateFileW
(chars, FILE_READ_DATA, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0); (chars, FILE_READ_DATA, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
@ -280,20 +301,27 @@ Java_java_io_File_length(JNIEnv* e, jclass, jstring path)
(chars, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, nullptr); (chars, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, nullptr);
#endif #endif
releaseChars(e, path, chars); releaseChars(e, path, chars);
if (file != INVALID_HANDLE_VALUE) if (file == INVALID_HANDLE_VALUE)
{ return 0;
#if !defined(WINAPI_FAMILY) || WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) #if !defined(WINAPI_FAMILY) || WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
GetFileSizeEx(file, &fileSize); if(!GetFileSizeEx(file, &fileSize))
{
CloseHandle(file);
return 0;
}
#else #else
FILE_STANDARD_INFO info; FILE_STANDARD_INFO info;
if(GetFileInformationByHandleEx(file, FileStandardInfo, &info, sizeof(info))) if(!GetFileInformationByHandleEx(file, FileStandardInfo, &info, sizeof(info)))
{
CloseHandle(file);
return 0;
}
fileSize = info.EndOfFile; fileSize = info.EndOfFile;
#endif #endif
}
else return 0;
CloseHandle(file); CloseHandle(file);
return static_cast<jlong>(fileSize.QuadPart); return static_cast<jlong>(fileSize.QuadPart);
}
#else #else
string_t chars = getChars(e, path); string_t chars = getChars(e, path);
@ -547,21 +575,52 @@ Java_java_io_File_lastModified(JNIEnv* e, jclass, jstring path)
string_t chars = getChars(e, path); string_t chars = getChars(e, path);
if (chars) { if (chars) {
#ifdef PLATFORM_WINDOWS #ifdef PLATFORM_WINDOWS
# pragma message("Implementation of last modified") #if !defined(WINAPI_FAMILY) || WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
return 0; HANDLE hFile = CreateFileW
(chars, FILE_READ_DATA, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
#else #else
struct stat st; HANDLE hFile = CreateFile2
if (stat(chars, &st)) { (chars, GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING, nullptr);
#endif
releaseChars(e, path, chars);
if (hFile == INVALID_HANDLE_VALUE)
return 0;
LARGE_INTEGER fileDate, filetimeToUnixEpochAdjustment;
filetimeToUnixEpochAdjustment.QuadPart = 11644473600000L * 10000L;
#if !defined(WINAPI_FAMILY) || WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
FILETIME fileLastWriteTime;
if (!GetFileTime(hFile, 0, 0, &fileLastWriteTime))
{
CloseHandle(hFile);
return 0;
}
fileDate.HighPart = fileLastWriteTime.dwHighDateTime;
fileDate.LowPart = fileLastWriteTime.dwLowDateTime;
#else
FILE_BASIC_INFO fileInfo;
if (!GetFileInformationByHandleEx(hFile, FileBasicInfo, &fileInfo, sizeof(fileInfo)))
{
CloseHandle(hFile);
return 0;
}
fileDate = fileInfo.ChangeTime;
#endif
CloseHandle(hFile);
fileDate.QuadPart -= filetimeToUnixEpochAdjustment.QuadPart;
return fileDate.QuadPart / 10000000L;
#else
struct stat fileStat;
if (stat(chars, &fileStat) == -1) {
releaseChars(e, path, chars);
return 0; return 0;
} else {
return (static_cast<jlong>(st.st_mtim.tv_sec) * 1000) +
(static_cast<jlong>(st.st_mtim.tv_nsec) / (1000*1000));
} }
return (static_cast<jlong>(st.st_mtim.tv_sec) * 1000) +
(static_cast<jlong>(st.st_mtim.tv_nsec) / (1000*1000));
#endif #endif
} else {
return 0;
} }
return 0;
} }
extern "C" JNIEXPORT jstring JNICALL extern "C" JNIEXPORT jstring JNICALL
@ -766,6 +825,7 @@ Java_java_io_RandomAccessFile_open(JNIEnv* e, jclass, jstring path,
FILE_STANDARD_INFO info; FILE_STANDARD_INFO info;
if(!GetFileInformationByHandleEx(hFile, FileStandardInfo, &info, sizeof(info))) { if(!GetFileInformationByHandleEx(hFile, FileStandardInfo, &info, sizeof(info))) {
CloseHandle(hFile);
throwNewErrno(e, "java/io/IOException"); throwNewErrno(e, "java/io/IOException");
return; return;
} }