public static void main(String[] args) throws IOException {
Closer closer = Closer.create();
// copy a file
File origin = new File("join_temp");
File copy = new File("target_temp");
try {
BufferedReader reader = new BufferedReader(new FileReader("join_temp"));
BufferedWriter writer = new BufferedWriter(new FileWriter("target_temp"));
closer.register(reader);
closer.register(writer);
String line;
while ((line = reader.readLine()) != null) {
writer.write(line);
}
} catch (IOException e) {
throw closer.rethrow(e);
} finally {
closer.close();
}
Files.copy(origin, copy);
File moved = new File("moved");
// moving renaming
Files.move(copy, moved);
// working files as string
List<String> lines = Files.readLines(origin, Charsets.UTF_8);
HashCode hashCode = Files.hash(origin, Hashing.md5());
System.out.println(hashCode);
// file write and append
String hamlet = "To be, or not to be it is a question\n";
File write_and_append = new File("write_and_append");
Files.write(hamlet, write_and_append, Charsets.UTF_8);
Files.append(hamlet, write_and_append, Charsets.UTF_8);
// write_and_append.deleteOnExit();
Files.write("OverWrite the file", write_and_append, Charsets.UTF_8);
// ByteSource ByteSink
ByteSource fileBytes = Files.asByteSource(write_and_append);
byte[] readBytes = fileBytes.read();
// equals to pre line -> Files.toByteArray(write_and_append) == readBytes
ByteSink fileByteSink = Files.asByteSink(write_and_append);
fileByteSink.write(Files.toByteArray(write_and_append));
BaseEncoding base64 = BaseEncoding.base64();
System.out.println(base64.encode("123456".getBytes()));
}
@Override
public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
checkCreate(qc);
final Path path = toPath(0, qc);
final B64 archive = toB64(exprs[1], qc, false);
final TokenSet hs = entries(2, qc);
try (ArchiveIn in = ArchiveIn.get(archive.input(info), info)) {
while (in.more()) {
final ZipEntry ze = in.entry();
final String name = ze.getName();
if (hs == null || hs.delete(token(name)) != 0) {
final Path file = path.resolve(name);
if (ze.isDirectory()) {
Files.createDirectories(file);
} else {
Files.createDirectories(file.getParent());
Files.write(file, in.read());
}
}
}
} catch (final IOException ex) {
throw ARCH_FAIL_X.get(info, ex);
}
return null;
}
public static void write(Path file, byte[] contents) {
try {
Files.write(file, contents);
} catch (Exception ex) {
Exceptions.handle(ex);
}
}
public static void write(String fullyNamedPath, String... lines) {
Path file = Paths.get(fullyNamedPath);
try {
Files.write(
file, Arrays.asList(lines), Charset.forName("UTF-8"), StandardOpenOption.CREATE_NEW);
} catch (IOException ioEx) {
// TODO: Report to front-end
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("", ioEx);
}
}
}
public static boolean write(String fullyNamedPath, String content) {
Path file = Paths.get(fullyNamedPath);
try {
Files.deleteIfExists(file);
Files.write(
file, Arrays.asList(content), Charset.forName("UTF-8"), StandardOpenOption.CREATE_NEW);
} catch (IOException ioEx) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("", ioEx);
}
}
return Files.exists(file, LinkOption.NOFOLLOW_LINKS);
}