Java Utililty Methods Encode

final int maxlen = 75 - ("=?UTF-8?B?".length() + "?=".length());
StringBuilder sb = new StringBuilder();
int mark = 0;
int utf8len = "X-Goomoji-Subject: ".length();
for (int i = 0; i < subject.length();) {
    int cp = subject.codePointAt(i);
    int len;
    if (cp < 0x7f)
...

if (headerValue == null) {
    return null;
int nameLength = (headerName == null ? 0 : headerName.length());
return MimeUtility.fold(nameLength, MimeUtility.encodeText(headerValue));

return encodeHTML(input, reduceToASCII, (useHTMLTags ? LINEFEEDS_CONVERT_TO_BR : LINEFEEDS_REMOVE));

try {
    StringBuilder b = new StringBuilder();
    for (char c : text.toCharArray()) {
        if (0x20 <= c && c != '%' && c != '+' && c <= 0x7e) {
            b.append(c);
        } else {
            byte[] bytes = new String(new char[] { c }).getBytes("UTF-8");
            for (byte by : bytes) {
...

File file = new File(sourceImagePath);
if (file.exists()) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int length = -1;
    InputStream is;
    try {
        is = new FileInputStream(file);
...

byte[] tmp = new byte[4];
tmp[0] = (byte) ((value >>> 24) & 0xff);
tmp[1] = (byte) ((value >>> 16) & 0xff);
tmp[2] = (byte) ((value >>> 8) & 0xff);
tmp[3] = (byte) (value & 0xff);
return tmp;

String encodedKey = originalKey.replace(keyChar, escapedKeyChar);
encodedKey = encodedKey.replace(File.separator, escapedSeparatorChar);
return encodedKey;

final ByteArrayOutputStream byteStream = new ByteArrayOutputStream(2048);
final ObjectOutputStream stream = new ObjectOutputStream(new BufferedOutputStream(byteStream));
stream.writeObject(object);
stream.close();
byteStream.flush();
return byteStream.toByteArray();

ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = null;
try {
    oos = new ObjectOutputStream(baos);
    oos.writeObject(obj);
    return baos.toByteArray();
} catch (IOException e) {
    throw e;
...

encodeBytes(OID, in, os);