/** Recycle this <code>InputBuffer</code> for reuse. */
public void recycle() {
inputContentBuffer.tryDispose();
inputContentBuffer = null;
singleCharBuf.position(singleCharBuf.limit());
connection = null;
decoder = null;
ctx = null;
handler = null;
processingChars = false;
closed = false;
contentRead = false;
markPos = -1;
readAheadLimit = -1;
requestedSize = -1;
readCount = 0;
averageCharsPerByte = 1.0f;
isWaitingDataAsynchronously = false;
encoding = DEFAULT_HTTP_CHARACTER_ENCODING;
}
private CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
int len = Math.min(dl - dp, sl - sp);
while (len-- > 0) {
char c = sa[sp];
int b = encode(c);
if (b == UNMAPPABLE_ENCODING) {
if (Character.isSurrogate(c)) {
if (sgp == null) sgp = new Surrogate.Parser();
if (sgp.parse(c, sa, sp, sl) < 0) {
return withResult(sgp.error(), src, sp, dst, dp);
}
return withResult(sgp.unmappableResult(), src, sp, dst, dp);
}
return withResult(CoderResult.unmappableForLength(1), src, sp, dst, dp);
}
da[dp++] = (byte) b;
sp++;
}
return withResult(sp < sl ? CoderResult.OVERFLOW : CoderResult.UNDERFLOW, src, sp, dst, dp);
}
private void fillByteBuffer(Reader reader) throws IOException {
CharBuffer cbuf = CharBuffer.allocate(DEFAULT_CHAR_BUFFER_SIZE);
ByteBuffer bbuf = ByteBuffer.allocate(DEFAULT_BYTE_BUFFER_SIZE);
List<byte[]> list = new ArrayList<byte[]>();
while (true) {
cbuf.clear();
int size = reader.read(cbuf);
if (size <= 0) {
break;
}
cbuf.limit(cbuf.position());
cbuf.rewind();
boolean eof = false;
while (!eof) {
CoderResult cr = encoder.encode(cbuf, bbuf, eof);
if (cr.isError()) {
cr.throwException();
} else if (cr.isUnderflow()) {
appendBytes(list, bbuf);
eof = true;
} else if (cr.isOverflow()) {
appendBytes(list, bbuf);
bbuf.clear();
}
}
}
getByteArray(list);
}
@JRubyMethod
public IRubyObject convert(ThreadContext context, IRubyObject srcBuffer) {
if (!(srcBuffer instanceof RubyString)) {
throw context.runtime.newTypeError(srcBuffer, context.runtime.getString());
}
RubyString srcString = (RubyString) srcBuffer;
ByteList srcBL = srcString.getByteList();
if (srcBL.getRealSize() == 0) return context.runtime.newSymbol("source_buffer_empty");
ByteBuffer srcBB = ByteBuffer.wrap(srcBL.getUnsafeBytes(), srcBL.begin(), srcBL.getRealSize());
try {
CharBuffer srcCB =
CharBuffer.allocate((int) (srcDecoder.maxCharsPerByte() * srcBL.getRealSize()) + 1);
CoderResult decodeResult = srcDecoder.decode(srcBB, srcCB, true);
srcCB.flip();
ByteBuffer destBB =
ByteBuffer.allocate((int) (destEncoder.maxBytesPerChar() * srcCB.limit()) + 1);
CoderResult encodeResult = destEncoder.encode(srcCB, destBB, true);
destBB.flip();
byte[] destBytes = new byte[destBB.limit()];
destBB.get(destBytes);
srcDecoder.reset();
destEncoder.reset();
return context.runtime.newString(new ByteList(destBytes, destEncoding.getEncoding(), false));
} catch (Exception e) {
throw context.runtime.newRuntimeError(e.getLocalizedMessage());
}
}
private void endBuffer(ZipEntry ze) {
if (ze == null) {
return;
}
if (store != null) {
store.close(); // 終了処理は別スレッドで実行中
String digest = store.getDigest();
logPersister.addDigest(addDigests, digest);
store = null;
} else if (charsetDecoder != null) {
charBuffer.flip();
charBuffer.array();
String accessLogJson =
new String(charBuffer.array(), charBuffer.position(), charBuffer.limit());
charsetDecoder = null;
charBuffer = null;
AccessLog accessLog = AccessLog.fromJson(accessLogJson);
if (accessLog == null) {
return;
}
logPersister.addDigest(refDigests, accessLog.getRequestHeaderDigest());
logPersister.addDigest(refDigests, accessLog.getRequestBodyDigest());
logPersister.addDigest(refDigests, accessLog.getResponseHeaderDigest());
logPersister.addDigest(refDigests, accessLog.getResponseBodyDigest());
accessLog.setId(null);
accessLog.setPersist(true);
PersistenceManager pm = JdoUtil.getPersistenceManager();
logPersister.executeInsert(pm, accessLog);
if (pm.currentTransaction().isActive()) {
pm.currentTransaction().rollback();
}
}
}
private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp < sl) {
byte b = sa[sp];
if (b >= 0) {
if (dp >= dl) return CoderResult.OVERFLOW;
da[dp++] = (char) b;
sp++;
continue;
}
return CoderResult.malformedForLength(1);
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
private CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp < sl) {
char c = sa[sp];
if (c < 0x80) {
if (dp >= dl) return CoderResult.OVERFLOW;
da[dp] = (byte) c;
sp++;
dp++;
continue;
}
if (sgp.parse(c, sa, sp, sl) < 0) return sgp.error();
return sgp.unmappableResult();
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
CoderResult cr = CoderResult.UNDERFLOW;
if ((dl - dp) < (sl - sp)) {
sl = sp + (dl - dp);
cr = CoderResult.OVERFLOW;
}
while (sp < sl) {
char c = decode(sa[sp]);
if (c == UNMAPPABLE_DECODING) {
return withResult(CoderResult.unmappableForLength(1), src, sp, dst, dp);
}
da[dp++] = c;
sp++;
}
return withResult(cr, src, sp, dst, dp);
}
public static void main(String args[]) throws Exception {
String s = "abc\uD800\uDC00qrst"; // Valid surrogate
char[] c = s.toCharArray();
CharsetEncoder enc =
Charset.forName("ISO8859_1").newEncoder().onUnmappableCharacter(CodingErrorAction.REPLACE);
/* Process the first 4 characters, including the high surrogate
which should be stored */
ByteBuffer bb = ByteBuffer.allocate(10);
CharBuffer cb = CharBuffer.wrap(c);
cb.limit(4);
enc.encode(cb, bb, false);
cb.limit(7);
enc.encode(cb, bb, true);
byte[] first = bb.array();
for (int i = 0; i < 7; i++)
System.err.printf("[%d]=%d was %d\n", i, (int) first[i] & 0xffff, (int) c[i] & 0xffff);
}
@Override
public void onStdoutChars(CharBuffer buffer, boolean closed, CoderResult coderResult) {
charsRead += buffer.remaining();
decodedStdout.append(buffer);
buffer.position(buffer.limit());
if (charsRead == charsWritten) {
nuProcess.closeStdin();
}
}
private boolean trimWhitespaces() {
boolean trim = false;
for (int i = lineBuffer.position(), n = lineBuffer.limit(); i < n; i++) {
char c = lineBuffer.get(i);
if (Character.isWhitespace(c)) {
trim = true;
lineBuffer.position(i + 1);
} else {
break;
}
}
for (int i = lineBuffer.limit() - 1, n = lineBuffer.position(); i >= n; i--) {
char c = lineBuffer.get(i);
if (Character.isWhitespace(c)) {
trim = true;
lineBuffer.limit(i);
} else {
break;
}
}
return trim;
}
private void fillCharBuf() throws IOException {
int limit = 0;
int c = 0;
do {
c = _delegate.read();
if (c >= 0) {
_charBuf.put((char) c);
limit++;
}
} while ((c >= 0xD800) && (c <= 0xDBFF));
_charBuf.position(0);
_charBuf.limit(limit);
}
private CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
int dlASCII = dp + Math.min(sl - sp, dl - dp);
// ASCII only loop
while (dp < dlASCII && sa[sp] < '\u0080') da[dp++] = (byte) sa[sp++];
while (sp < sl) {
char c = sa[sp];
if (c < 0x80) {
// Have at most seven bits
if (dp >= dl) return overflow(src, sp, dst, dp);
da[dp++] = (byte) c;
} else if (c < 0x800) {
// 2 bytes, 11 bits
if (dl - dp < 2) return overflow(src, sp, dst, dp);
da[dp++] = (byte) (0xc0 | (c >> 6));
da[dp++] = (byte) (0x80 | (c & 0x3f));
} else if (isSurrogate(c)) {
// Have a surrogate pair
if (sgp == null) sgp = new Parser();
int uc = sgp.parse(c, sa, sp, sl);
if (uc < 0) {
updatePositions(src, sp, dst, dp);
return sgp.error();
}
if (dl - dp < 4) return overflow(src, sp, dst, dp);
da[dp++] = (byte) (0xf0 | ((uc >> 18)));
da[dp++] = (byte) (0x80 | ((uc >> 12) & 0x3f));
da[dp++] = (byte) (0x80 | ((uc >> 6) & 0x3f));
da[dp++] = (byte) (0x80 | (uc & 0x3f));
sp++; // 2 chars
} else {
// 3 bytes, 16 bits
if (dl - dp < 3) return overflow(src, sp, dst, dp);
da[dp++] = (byte) (0xe0 | ((c >> 12)));
da[dp++] = (byte) (0x80 | ((c >> 6) & 0x3f));
da[dp++] = (byte) (0x80 | (c & 0x3f));
}
sp++;
}
updatePositions(src, sp, dst, dp);
return CoderResult.UNDERFLOW;
}
@Override
public void run() {
try {
InputStream in = client.getInputStream();
CharBuffer buffer = CharBuffer.allocate(5000);
char ch;
while (true) {
ch = (char) in.read();
if (((int) ch) == -1) {
break;
}
while (ch != EOL) {
buffer.put(ch);
ch = (char) in.read();
}
buffer.flip();
String s = new String(buffer.array(), 0, buffer.limit());
messageReceiver.sendMessage(s + "\n");
buffer.position(0);
buffer.limit(5000);
}
} catch (Exception e) {
e.printStackTrace();
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.warning("Unable to process mesages from client" + client);
}
} finally {
if (client != null) {
try {
client.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
public int availableChar() {
if (!singleCharBuf.hasRemaining()) {
// fill the singleCharBuf to make sure we have at least one char
singleCharBuf.clear();
if (fillAvailableChars(1, singleCharBuf) == 0) {
singleCharBuf.position(singleCharBuf.limit());
return 0;
}
singleCharBuf.flip();
}
// we have 1 char pre-decoded + estimation for the rest byte[]->char[] count.
return 1 + ((int) (inputContentBuffer.remaining() * averageCharsPerByte));
}
private void seekBuffer() throws CsvFormatException {
if (cellBeginPositions.remaining() < 2) {
throw new CsvFormatException(
new Status(
Reason.TOO_SHORT_RECORD,
path,
currentPhysicalHeadLine,
currentRecordNumber,
cellBeginPositions.position() + 1,
"more cells",
"no more cells"),
null);
}
lineBuffer.limit(cellBeginPositions.get(cellBeginPositions.position() + 1));
lineBuffer.position(cellBeginPositions.get());
}
@NotNull
public static IndexedCollection<Character> ofCharacter(@NotNull ByteBuffer byteBuffer) {
int magic = byteBuffer.getInt();
if (magic != MAGIC) {
throw new IllegalArgumentException("bad magic number");
}
int version = byteBuffer.getInt();
if (version != VERSION) {
throw new IllegalArgumentException("bad version number");
}
int size = byteBuffer.getInt();
CharBuffer values = byteBuffer.asCharBuffer();
values.limit(size);
byteBuffer.position(byteBuffer.position() + size * Integer.BYTES);
return new CharacterBufferCollection(values.slice());
}
private void checkSplitSequence() {
int len = buffer.position();
buffer.position(0);
// Search for the first & or \ in the last 10 (or less) characters
prevBuf = null;
int j = 0;
for (int i = len - 1; ((i >= 0) && (j < 10)); i--) {
if ((buffer.charAt(i) == '&') || (buffer.charAt(i) == '\\')) {
prevBuf = buffer.subSequence(i, len).toString();
len = i;
break;
}
j++;
}
buffer.position(len);
buffer.limit(len);
}
public static void test(CharBuffer buff, CharBuffer slice) throws RuntimeException {
boolean marked = false;
try {
slice.reset();
marked = true;
} catch (InvalidMarkException ime) {
// expected
}
if (marked
|| slice.position() != 0
|| buff.remaining() != slice.limit()
|| buff.remaining() != slice.capacity()) {
throw new RuntimeException("Calling the CharBuffer.slice method failed.");
}
}
private void fillBuffer() throws IOException {
_byteBuf.clear();
_charBuf.clear();
while (_byteBuf.position() == 0) {
fillCharBuf();
if (_charBuf.limit() == 0) {
_byteBuf.limit(0);
return;
}
_encoder.reset();
CoderResult rslt = _encoder.encode(_charBuf, _byteBuf, true);
// FIXME - optionally throw on malformed input
_encoder.flush(_byteBuf);
}
_byteBuf.limit(_byteBuf.position());
_byteBuf.position(0);
}
private void consumeDecoded() {
decodeBuffer.flip();
if (decodeBuffer.hasRemaining()) {
char[] array = decodeBuffer.array();
for (int i = decodeBuffer.position(), n = decodeBuffer.limit(); i < n; i++) {
char c = array[i];
if (c == '\t') {
lineBuffer.append(ESCAPE_CHAR);
lineBuffer.append(ESCAPE_HT);
} else if (c == '\n') {
lineBuffer.append(ESCAPE_CHAR);
lineBuffer.append(ESCAPE_LF);
} else if (c == '\\') {
lineBuffer.append(ESCAPE_CHAR);
lineBuffer.append(ESCAPE_CHAR);
} else {
lineBuffer.append(c);
}
}
}
decodeBuffer.clear();
}
public String readString(QDataInputStream stream, int len) throws IOException {
if (len > buflen) { // If the buffers we have are to small, make them bigger
buf = ByteBuffer.allocate(len);
charBuffer = CharBuffer.allocate(len);
buflen = len;
}
// reset buffers, so we start from the beginning of them
buf.clear();
charBuffer.clear();
// mark the start so we can reset back after we have read in the string
charBuffer.mark();
// Set the limit of the byte buffer, so we know where to stop the string.
// Or else you get characters from old strings that was longer then this one
buf.limit(len);
// Read the string
stream.readFully(buf.array(), 0, len);
// Decode it with correct encoding
try {
decoder.decode(buf, charBuffer, false);
} catch (IllegalArgumentException e) {
e.printStackTrace();
Log.e(TAG, "Failed to decode buffer: " + buf);
}
// Set where the current string ends, it is the position we are at after decoding into the
// buffer
charBuffer.limit(charBuffer.position());
// Reset buffer back to the mark(the start of the buffer) so we can convert to string
charBuffer.reset();
return charBuffer.toString();
}
/**
* Creates a new big-endian buffer whose content is a subregion of the specified {@code string}
* encoded in the specified {@code charset}. The new buffer's {@code readerIndex} and {@code
* writerIndex} are {@code 0} and the length of the encoded string respectively.
*/
public static ByteBuf copiedBuffer(CharSequence string, int offset, int length, Charset charset) {
if (string == null) {
throw new NullPointerException("string");
}
if (length == 0) {
return EMPTY_BUFFER;
}
if (string instanceof CharBuffer) {
CharBuffer buf = (CharBuffer) string;
if (buf.hasArray()) {
return copiedBuffer(
buf.array(), buf.arrayOffset() + buf.position() + offset, length, charset);
}
buf = buf.slice();
buf.limit(length);
buf.position(offset);
return copiedBuffer(buf, charset);
}
return copiedBuffer(CharBuffer.wrap(string, offset, offset + length), charset);
}
/**
* Returns the password that is bound to the username and is stored for the specified <code>
* forUser</code> If the <code>forUser</code> is not specified the system user is used.
*
* @param forUser the user for whom the password is being retrieved
* @param username the matching username to go with the password
* @return the password as a character array or empty object if password could not be loaded
*/
public static Optional<char[]> getPassword(Optional<String> forUser, String username) {
if (username == null) {
return Optional.empty();
}
final String user = forUser.orElse(System.getProperty(SYSTEM_PROPERTY_USER_NAME));
try {
byte[] val =
SecurePreferences.getSecurePreferences()
.node(Activator.ID)
.node(user)
.node(username)
.getByteArray(PREF_PASSWORD, null);
if (val != null) {
CharBuffer buffer = StandardCharsets.UTF_8.newDecoder().decode(ByteBuffer.wrap(val));
return Optional.of(Arrays.copyOfRange(buffer.array(), buffer.position(), buffer.limit()));
}
} catch (StorageException | IOException e) {
SaveRestoreService.LOGGER.log(
Level.WARNING,
e,
() -> String.format("Could not read the password for '%s' from secured storage.", user));
}
return Optional.empty();
}
@Override
public void read(Multiplexer multiplexer, SelectionKey key) throws Exception {
/* Protect against clients sending large commands. We
* could enlarge the command buffer, but this would open
* the server to DOS attacks from clients sending very
* large commands.
*/
if (!_command.hasRemaining()) {
throw new FTPException("Command buffer full");
}
/* Read available data.
*/
long nbytes = _socket.read(_command);
if (nbytes == -1) {
if (_state == SenderState.WAIT_READY) {
/* From the GridFTP v2 spec: "Passive receiver may
* close new data socket without sending 'READY'
* message or even stop accepting new
* connections."
*
* We extend this to also cover active receivers.
*/
close(multiplexer, key, _eof);
return;
} else {
throw new FTPException("Lost connection");
}
}
/* Decode buffer.
*/
_command.flip();
_decoder.decode(_command, _decodedCommand, false);
_command.compact();
/* Remove first line from buffer.
*/
char c;
StringBuffer line = new StringBuffer();
_decodedCommand.flip();
do {
/* Return early if command is incomplete.
*/
if (!_decodedCommand.hasRemaining()) {
_decodedCommand.limit(_decodedCommand.capacity());
return;
}
c = _decodedCommand.get();
line.append(c);
} while (c != '\n');
_decodedCommand.compact();
/* Split line into arguments.
*/
String[] arg = Pattern.compile("\\s").split(line);
if (arg.length == 0) {
throw new FTPException("Empty command received (protocol violation)");
}
/* Interpret command.
*/
String cmd = arg[0];
if (cmd.equals("READY") && _state == SenderState.WAIT_READY) {
_state = SenderState.NEXT_BLOCK;
key.interestOps(SelectionKey.OP_READ | SelectionKey.OP_WRITE);
} else if (cmd.equals("BYE") && _state == SenderState.WAIT_BYE) {
// shut down
close(multiplexer, key, _eof);
} else if (cmd.equals("CLOSE")) {
// shutdown the channel at the end of the current block
_closeAtNextBlock = true;
} else if (cmd.equals("RESEND")) {
// resend a block
throw new FTPException("RESEND is not implemented");
} else {
throw new FTPException("Unexpected command '" + cmd + "' in state " + _state);
}
}
private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
// This method is optimized for ASCII input.
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
int dlASCII = dp + Math.min(sl - sp, dl - dp);
// ASCII only loop
while (dp < dlASCII && sa[sp] >= 0) da[dp++] = (char) sa[sp++];
while (sp < sl) {
int b1 = sa[sp];
if (b1 >= 0) {
// 1 byte, 7 bits: 0xxxxxxx
if (dp >= dl) return xflow(src, sp, sl, dst, dp, 1);
da[dp++] = (char) b1;
sp++;
} else if ((b1 >> 5) == -2 && (b1 & 0x1e) != 0) {
// 2 bytes, 11 bits: 110xxxxx 10xxxxxx
if (sl - sp < 2 || dp >= dl) return xflow(src, sp, sl, dst, dp, 2);
int b2 = sa[sp + 1];
if (isNotContinuation(b2)) return malformedForLength(src, sp, dst, dp, 1);
da[dp++] = (char) (((b1 << 6) ^ b2) ^ (((byte) 0xC0 << 6) ^ ((byte) 0x80)));
sp += 2;
} else if ((b1 >> 4) == -2) {
// 3 bytes, 16 bits: 1110xxxx 10xxxxxx 10xxxxxx
int srcRemaining = sl - sp;
if (srcRemaining < 3 || dp >= dl) {
if (srcRemaining > 1 && isMalformed3_2(b1, sa[sp + 1]))
return malformedForLength(src, sp, dst, dp, 1);
return xflow(src, sp, sl, dst, dp, 3);
}
int b2 = sa[sp + 1];
int b3 = sa[sp + 2];
if (isMalformed3(b1, b2, b3)) return malformed(src, sp, dst, dp, 3);
char c =
(char)
((b1 << 12)
^ (b2 << 6)
^ (b3 ^ (((byte) 0xE0 << 12) ^ ((byte) 0x80 << 6) ^ ((byte) 0x80))));
if (isSurrogate(c)) return malformedForLength(src, sp, dst, dp, 3);
da[dp++] = c;
sp += 3;
} else if ((b1 >> 3) == -2) {
// 4 bytes, 21 bits: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
int srcRemaining = sl - sp;
if (srcRemaining < 4 || dl - dp < 2) {
if (srcRemaining > 1 && isMalformed4_2(b1, sa[sp + 1]))
return malformedForLength(src, sp, dst, dp, 1);
if (srcRemaining > 2 && isMalformed4_3(sa[sp + 2]))
return malformedForLength(src, sp, dst, dp, 2);
return xflow(src, sp, sl, dst, dp, 4);
}
int b2 = sa[sp + 1];
int b3 = sa[sp + 2];
int b4 = sa[sp + 3];
int uc =
((b1 << 18)
^ (b2 << 12)
^ (b3 << 6)
^ (b4
^ (((byte) 0xF0 << 18)
^ ((byte) 0x80 << 12)
^ ((byte) 0x80 << 6)
^ ((byte) 0x80))));
if (isMalformed4(b2, b3, b4)
||
// shortest form check
!Character.isSupplementaryCodePoint(uc)) {
return malformed(src, sp, dst, dp, 4);
}
da[dp++] = highSurrogate(uc);
da[dp++] = lowSurrogate(uc);
sp += 4;
} else return malformed(src, sp, dst, dp, 1);
}
return xflow(src, sp, sl, dst, dp, 0);
}
private String checkDeclaration(String defEncoding) {
// Convert the CharBuffer to a string
buffer.limit(buffer.position());
buffer.position(0);
StringBuffer text = new StringBuffer(buffer.toString());
// Look for XML encoding declaration
String encoding = defEncoding;
Matcher m = xmlEncDecl.matcher(text);
if (m.find()) { // We have an XML encoding declaration
isXML = true;
// Get the declared encoding
String delim = String.valueOf(text.charAt(m.end() - 1));
int end = text.indexOf(delim, m.end());
if (end != -1) {
encoding = text.substring(m.end(), end);
// End replace the current declaration by the new one
text.replace(m.end(), end, outputEncoding);
}
} else { // No XML encoding declaration found: Check if it is XML
m = xmlDecl.matcher(text);
if (m.find()) { // It is XML without encoding declaration
isXML = true;
// Encoding should UTF-8 or UTF-16/32, we will detect those later
encoding = "UTF-8";
// Add the encoding after the version
String delim = String.valueOf(text.charAt(m.end() - 1));
int end = text.indexOf(delim, m.end());
if (end != -1) {
text.insert(end + 1, " encoding=\"" + outputEncoding + "\"");
}
} else { // No XML declaration found, maybe it's an XML without one
if (isXML) { // Was a .xml extension, assume UTF-8
encoding = "UTF-8";
text.insert(0, "<?xml version=\"1.0\" encoding=\"" + outputEncoding + "\" ?>");
}
}
}
// Look for HTML declarations
m = htmlEncDecl.matcher(text);
if (m.find()) {
isHTML = true;
// Group 11 contains the encoding name
encoding = m.group(11);
// Replace it by the new encoding
int n = text.indexOf(encoding, m.start());
text.replace(n, n + encoding.length(), outputEncoding);
} else if (isHTML) { // No HTML encoding found, but try to update if it was seen as HTML from
// extension
// Try to place it after <head>
m = htmlHead.matcher(text);
if (m.find()) {
text.insert(
m.end(),
String.format(
"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=%s\"></meta>",
outputEncoding));
} else { // If no <head>, try <html>
m = htmlDecl.matcher(text);
if (m.find()) {
int n = text.indexOf(">", m.end());
if (n != -1) {
text.insert(
n + 1,
String.format(
"<head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=%s\"></meta></head>",
outputEncoding));
}
}
}
}
// Convert the string back to a CharBuffer
int len = text.length();
// Make sure we have room for added characters
if (len > buffer.capacity()) {
buffer = CharBuffer.allocate(len);
} else {
buffer.clear();
}
buffer.append(text.toString());
buffer.limit(len);
return encoding;
}
@Override
public void run() {
BufferedReader reader = null;
try {
// Path logpath = Paths.get(logname);
// File posfile = ogpath.getParent().resolve("."+logpath.getFileName()+".pos").toFile();
reader = new BufferedReader(new FileReader(new File(logname)));
long filesize = 0;
while (true) {
// 判断文件是否已经切换
if (filesize > new File(logname).length()) {
logger.debug(
"filesize :{} current system file size :{} . Log file switchover!",
filesize,
new File(logname).length());
try {
// 在切换读文件前，读取文件全部内容
StringBuilder line = new StringBuilder();
while (reader.read(buf) > 0) {
buf.flip();
synchronized (buf) {
// 读buffer 并解析
for (int i = 0; i < buf.limit(); i++) {
char c = buf.get();
line.append(c);
if ((c == '\n') || (c == '\r'))
if (line.length() > 0) {
queue.put(line.toString());
line = new StringBuilder();
}
}
}
}
queue.put(line.toString());
buf.clear();
// 切换读文件
if (reader != null) reader.close();
reader = new BufferedReader(new FileReader(new File(logname)));
} catch (Exception e) {
logger.error("文件 {} 不存在", logname, e);
Thread.currentThread().sleep(10000);
continue;
}
}
for (int retrys = 10; retrys > 0; retrys--) {
int bufread = reader.read(buf);
if (bufread < 0) {
if (retrys > 0) Thread.currentThread().sleep(1000);
else {
// 等待10s后无新数据读出
synchronized (buf) {
// 等待 cachetime 秒后文件仍未写入
buf.flip();
char[] dst = new char[buf.length()];
buf.get(dst);
buf.clear();
queue.put(new String(dst));
}
}
} else {
filesize = new File(logname).length();
retrys = -1;
buf.flip();
synchronized (buf) {
// 读buffer 并解析
StringBuilder line = new StringBuilder();
for (int i = 0; i < buf.limit(); i++) {
char c = buf.get();
line.append(c);
if ((c == '\n') || (c == '\r'))
if (line.length() > 0) {
queue.put(line.toString());
line = new StringBuilder();
}
}
// 接着写不完整的数据
buf.compact();
if (line.length() > 0) {
buf.append(line);
}
}
break;
}
}
}
} catch (Exception e) {
logger.error("文件读取失败", e);
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
logger.error("文件 reader 关闭失败", e);
}
}
}
}
public static void main(String[] args) throws Exception {
System.out.println(">>> StringCharBufferSliceTest-main: testing the slice method...");
final String in = "for testing";
System.out.println(">>> StringCharBufferSliceTest-main: testing with the position 0.");
CharBuffer buff = CharBuffer.wrap(in);
test(buff, buff.slice());
System.out.println(">>> StringCharBufferSliceTest-main: testing with new position.");
buff.position(2);
test(buff, buff.slice());
System.out.println(
">>> StringCharBufferSliceTest-main: testing with non zero initial position.");
buff = CharBuffer.wrap(in, 3, in.length());
test(buff, buff.slice());
System.out.println(">>> StringCharBufferSliceTest-main: testing slice result with get()");
buff.position(4);
buff.limit(7);
CharBuffer slice = buff.slice();
for (int i = 0; i < 3; i++) {
if (slice.get() != buff.get()) {
throw new RuntimeException("Wrong characters in slice result.");
}
}
System.out.println(">>> StringCharBufferSliceTest-main: testing slice result with get(int)");
buff.position(4);
buff.limit(7);
slice = buff.slice();
for (int i = 0; i < 3; i++) {
if (slice.get(i) != buff.get(4 + i)) {
throw new RuntimeException("Wrong characters in slice result.");
}
}
System.out.println(">>> StringCharBufferSliceTest-main: testing slice with result of slice");
buff.position(0);
buff.limit(buff.capacity());
slice = buff.slice();
for (int i = 0; i < 4; i++) {
slice.position(i);
CharBuffer nextSlice = slice.slice();
if (nextSlice.position() != 0)
throw new RuntimeException("New buffer's position should be zero");
if (!nextSlice.equals(slice)) throw new RuntimeException("New buffer should be equal");
slice = nextSlice;
}
System.out.println(">>> StringCharBufferSliceTest-main: testing toString.");
buff.position(4);
buff.limit(7);
slice = buff.slice();
if (!slice.toString().equals("tes")) {
throw new RuntimeException("bad toString() after slice(): " + slice.toString());
}
System.out.println(">>> StringCharBufferSliceTest-main: testing subSequence.");
buff.position(4);
buff.limit(8);
slice = buff.slice();
CharSequence subSeq = slice.subSequence(1, 3);
if (subSeq.charAt(0) != 'e' || subSeq.charAt(1) != 's') {
throw new RuntimeException("bad subSequence() after slice(): '" + subSeq + "'");
}
System.out.println(">>> StringCharBufferSliceTest-main: testing duplicate.");
buff.position(4);
buff.limit(8);
slice = buff.slice();
CharBuffer dupe = slice.duplicate();
if (dupe.charAt(0) != 't'
|| dupe.charAt(1) != 'e'
|| dupe.charAt(2) != 's'
|| dupe.charAt(3) != 't') {
throw new RuntimeException("bad duplicate() after slice(): '" + dupe + "'");
}
System.out.println(">>> StringCharBufferSliceTest-main: done!");
}
protected CoderResult encodeLoop(CharBuffer cb, ByteBuffer bb) {
int bbRemaining = bb.remaining();
if (CharsetProviderImpl.hasLoadedNatives()
&& bb.isDirect()
&& cb.hasRemaining()
&& cb.hasArray()) {
int toProceed = cb.remaining();
int cbPos = cb.position();
int bbPos = bb.position();
boolean throwOverflow = false;
if (bbRemaining < toProceed) {
toProceed = bbRemaining;
throwOverflow = true;
}
int[] res = {toProceed, 0};
nEncode(
AddressUtil.getDirectBufferAddress(bb),
bbPos,
cb.array(),
cb.arrayOffset() + cbPos,
res);
if (res[0] <= 0) {
bb.position(bbPos - res[0]);
cb.position(cbPos - res[0]);
if (res[1] != 0) {
if (res[1] < 0) return CoderResult.malformedForLength(-res[1]);
else return CoderResult.unmappableForLength(res[1]);
}
} else {
bb.position(bbPos + res[0]);
cb.position(cbPos + res[0]);
if (throwOverflow) return CoderResult.OVERFLOW;
}
} else {
if (bb.hasArray() && cb.hasArray()) {
byte[] byteArr = bb.array();
char[] charArr = cb.array();
int rem = cb.remaining();
int byteArrStart = bb.position();
rem = bbRemaining <= rem ? bbRemaining : rem;
int x;
for (x = cb.position(); x < cb.position() + rem; x++) {
char c = charArr[x];
if (c > (char) 0x20AC) {
if (c >= 0xD800 && c <= 0xDFFF) {
if (x + 1 < cb.limit()) {
char c1 = charArr[x + 1];
if (c1 >= 0xD800 && c1 <= 0xDFFF) {
cb.position(x);
bb.position(byteArrStart);
return CoderResult.unmappableForLength(2);
}
} else {
cb.position(x);
bb.position(byteArrStart);
return CoderResult.UNDERFLOW;
}
cb.position(x);
bb.position(byteArrStart);
return CoderResult.malformedForLength(1);
}
cb.position(x);
bb.position(byteArrStart);
return CoderResult.unmappableForLength(1);
} else {
if (c < 0x04) {
byteArr[byteArrStart++] = (byte) c;
} else {
int index = (int) c >> 8;
index = encodeIndex[index];
if (index < 0) {
cb.position(x);
bb.position(byteArrStart);
return CoderResult.unmappableForLength(1);
}
index <<= 8;
index += (int) c & 0xFF;
if ((byte) arr[index] != 0) {
byteArr[byteArrStart++] = (byte) arr[index];
} else {
cb.position(x);
bb.position(byteArrStart);
return CoderResult.unmappableForLength(1);
}
}
}
}
cb.position(x);
bb.position(byteArrStart);
if (rem == bbRemaining && cb.hasRemaining()) {
return CoderResult.OVERFLOW;
}
} else {
while (cb.hasRemaining()) {
if (bbRemaining == 0) return CoderResult.OVERFLOW;
char c = cb.get();
if (c > (char) 0x20AC) {
if (c >= 0xD800 && c <= 0xDFFF) {
if (cb.hasRemaining()) {
char c1 = cb.get();
if (c1 >= 0xD800 && c1 <= 0xDFFF) {
cb.position(cb.position() - 2);
return CoderResult.unmappableForLength(2);
} else {
cb.position(cb.position() - 1);
}
} else {
cb.position(cb.position() - 1);
return CoderResult.UNDERFLOW;
}
cb.position(cb.position() - 1);
return CoderResult.malformedForLength(1);
}
cb.position(cb.position() - 1);
return CoderResult.unmappableForLength(1);
} else {
if (c < 0x04) {
bb.put((byte) c);
} else {
int index = (int) c >> 8;
index = encodeIndex[index];
if (index < 0) {
cb.position(cb.position() - 1);
return CoderResult.unmappableForLength(1);
}
index <<= 8;
index += (int) c & 0xFF;
if ((byte) arr[index] != 0) {
bb.put((byte) arr[index]);
} else {
cb.position(cb.position() - 1);
return CoderResult.unmappableForLength(1);
}
}
bbRemaining--;
}
}
}
}
return CoderResult.UNDERFLOW;
}
