public void setAttrs(FileAttrs attrs) throws IOException {
UserPrincipal posixOwner;
GroupPrincipal posixGroup;
Set<PosixFilePermission> posixPerms;
UserPrincipalLookupService lookup;
if (System.getProperty("os.name").startsWith("Windows")) {
Files.setAttribute(this.path.toPath(), "dos:archive", attrs.getDosArchive());
Files.setAttribute(this.path.toPath(), "dos:hidden", attrs.getDosHidden());
Files.setAttribute(this.path.toPath(), "dos:readonly", attrs.getDosReadonly());
Files.setAttribute(this.path.toPath(), "dos:system", attrs.getDosSystem());
} else {
lookup = this.path.toPath().getFileSystem().getUserPrincipalLookupService();
posixOwner = lookup.lookupPrincipalByName(attrs.getPosixOwner());
posixGroup = lookup.lookupPrincipalByGroupName(attrs.getPosixGroup());
posixPerms = PosixFilePermissions.fromString(attrs.getPosixPermission());
Files.setOwner(this.path.toPath(), posixOwner);
Files.getFileAttributeView(this.path.toPath(), PosixFileAttributeView.class)
.setGroup(posixGroup);
Files.setPosixFilePermissions(this.path.toPath(), posixPerms);
}
}
public FileAttrs getAttrs() throws IOException {
FileAttrs result;
BasicFileAttributes attr;
DosFileAttributes dosAttr;
PosixFileAttributes posixAttr;
result = new FileAttrs();
attr = Files.readAttributes(this.path.toPath(), BasicFileAttributes.class);
result.setCtime(attr.creationTime().toMillis());
result.setMtime(attr.lastModifiedTime().toMillis());
// result.append("symlink", attr.isSymbolicLink()); //Redundant
result.setSize(attr.size());
if (System.getProperty("os.name").startsWith("Windows")) {
dosAttr = Files.readAttributes(this.path.toPath(), DosFileAttributes.class);
result.setDosArchive(dosAttr.isArchive());
result.setDosHidden(dosAttr.isHidden());
result.setDosReadonly(dosAttr.isReadOnly());
result.setDosSystem(dosAttr.isSystem());
} else {
posixAttr = Files.readAttributes(this.path.toPath(), PosixFileAttributes.class);
result.setPosixSymlink(this.isSymlink());
if (result.getPosixSymlink()) {
result.setLinkTo(Files.readSymbolicLink(this.path.toPath()).toString());
}
result.setPosixOwner(posixAttr.owner().getName());
result.setPosixGroup(posixAttr.group().getName());
result.setPosixPermission(PosixFilePermissions.toString(posixAttr.permissions()));
}
return result;
}