private static void performCopy(
@NotNull File fromFile, @NotNull File toFile, final boolean syncTimestamp)
throws IOException {
final FileOutputStream fos;
try {
fos = openOutputStream(toFile);
} catch (IOException e) {
if (SystemInfo.isWindows
&& e.getMessage() != null
&& e.getMessage().contains("denied")
&& WinUACTemporaryFix.nativeCopy(fromFile, toFile, syncTimestamp)) {
return;
}
throw e;
}
try {
final FileInputStream fis = new FileInputStream(fromFile);
try {
copy(fis, fos);
} finally {
fis.close();
}
} finally {
fos.close();
}
if (syncTimestamp) {
final long timeStamp = fromFile.lastModified();
if (timeStamp < 0) {
LOG.warn("Invalid timestamp " + timeStamp + " of '" + fromFile + "'");
} else if (!toFile.setLastModified(timeStamp)) {
LOG.warn("Unable to set timestamp " + timeStamp + " to '" + toFile + "'");
}
}
if (SystemInfo.isUnix && fromFile.canExecute()) {
FileSystemUtil.clonePermissions(fromFile.getPath(), toFile.getPath());
}
}
public static boolean canExecute(@NotNull File file) {
return file.canExecute();
}