Examples of java.nio.charset.CharsetEncoder.maxBytesPerChar()

java.nio.charset.CharsetEncoder.maxBytesPerChar()
Get the maximum number of bytes which can be created by this encoder for one input character, must be positive @return the maximum number of bytes which can be created by this encoderfor one input character, must be positive

    CharBuffer cb = CharBuffer.wrap((char[])UNSAFE.getObject(s, STRING_CHAR_ARRAY_OFFSET));
    ce.reset();
    CoderResult rt = ce.encode(cb, bb, true);
    if (rt == CoderResult.OVERFLOW) {
      bb.flip();
      ByteBuffer lbb = ByteBuffer.allocate((int)(s.length() * (double)ce.maxBytesPerChar()));
      lbb.put(bb);
      bb = lbb;
      rt = ce.encode(cb, bb, true);
    }
    if (rt != CoderResult.UNDERFLOW) {

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    }


    static ByteBuffer encodeString(CharBuffer src, Charset charset) {
        final CharsetEncoder encoder = CharsetUtil.getEncoder(charset);
        final ByteBuffer dst = ByteBuffer.allocate(
                (int) ((double) src.remaining() * encoder.maxBytesPerChar()));
        try {
            CoderResult cr = encoder.encode(src, dst, true);
            if (!cr.isUnderflow()) {
                cr.throwException();
            }

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    }


    static ByteBuffer encodeString(CharBuffer src, Charset charset) {
        final CharsetEncoder encoder = CharsetUtil.getEncoder(charset);
        final ByteBuffer dst = ByteBuffer.allocate(
                (int) ((double) src.remaining() * encoder.maxBytesPerChar()));
        try {
            CoderResult cr = encoder.encode(src, dst, true);
            if (!cr.isUnderflow()) {
                cr.throwException();
            }

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public class Utf8Utils {




    public static byte[] encode(Charset charset, String string) {
        CharsetEncoder ce = charset.newEncoder();
        int en = scale(string.length(), ce.maxBytesPerChar());
        byte[] ba = new byte[en];
        if (string.length() == 0)
            return ba;


        ce.reset();

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        return se.encode(ca, off, len);
    }


    static byte[] encode(Charset cs, char[] ca, int off, int len) {
        CharsetEncoder ce = cs.newEncoder();
        int en = scale(len, ce.maxBytesPerChar());
        byte[] ba = new byte[en];
        if (len == 0)
            return ba;
        boolean isTrusted = false;
        if (System.getSecurityManager() != null) {

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    public static ByteBuffer encodeString(CharBuffer src, Charset charset)
    {
        CharsetEncoder encoder = getEncoder(charset);
        ByteBuffer dst = ByteBuffer.allocate(
                (int) ((double) src.remaining() * encoder.maxBytesPerChar()));
        try {
            CoderResult cr = encoder.encode(src, dst, true);
            if (!cr.isUnderflow()) {
                cr.throwException();
            }

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    }


    static ByteBuffer encodeString(CharBuffer src, Charset charset) {
        final CharsetEncoder encoder = CharsetUtil.getEncoder(charset);
        final ByteBuffer dst = ByteBuffer.allocate(
                (int) ((double) src.remaining() * encoder.maxBytesPerChar()));
        try {
            CoderResult cr = encoder.encode(src, dst, true);
            if (!cr.isUnderflow()) {
                cr.throwException();
            }

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        }
    }


    private static byte[] getBytesWithEncoder(CharSequence value, Charset charset) {
        final CharsetEncoder encoder = CharsetUtil.getEncoder(charset);
        final ByteBuffer nativeBuffer = ByteBuffer.allocate((int) (encoder.maxBytesPerChar() * value.length()));
        encoder.encode(CharBuffer.wrap(value), nativeBuffer, true);
        return nativeBuffer.array();
    }
}

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