Examples of java.nio.charset.CharsetDecoder.maxCharsPerByte()

java.nio.charset.CharsetDecoder.maxCharsPerByte()
Get the maximum number of characters which can be created by this decoder for one input byte, must be positive @return the maximum number of characters which can be created by thisdecoder for one input byte, must be positive

        }


        // slightly overestimate the buffer size to avoid reallocation.
        float factor =
            decoder.averageCharsPerByte() * 0.8f +
            decoder.maxCharsPerByte() * 0.2f;
        CharBuffer dest = CharBuffer.
            allocate(10 + (int)(inbuf.remaining()*factor));


        while (true) {
            CoderResult result = decoder.decode(inbuf, dest, true);

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                }
                return dest;
            } else if (result.isOverflow()) { // buffer too small; expand
                int newCapacity =
                    10 + dest.capacity() +
                    (int)(inbuf.remaining()*decoder.maxCharsPerByte());
                dest = CharBuffer.allocate(newCapacity).put(dest);
            } else if (result.isMalformed() || result.isUnmappable()) {
                // bad character in input


                // report coding error (warn only pre 1.5)

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    @SuppressWarnings("ObjectToString")
    public static String decodeString(ByteBuffer src, Charset charset)
    {
        CharsetDecoder decoder = getDecoder(charset);
        CharBuffer dst = CharBuffer.allocate((int) ((double) src.remaining() * decoder.maxCharsPerByte()));
        try {
            CoderResult cr = decoder.decode(src, dst, true);
            if (!cr.isUnderflow()) {
                cr.throwException();
            }

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    public static String decodeString(ByteBuffer src, Charset charset)
    {
        final CharsetDecoder decoder = getDecoder(charset);
        final CharBuffer dst = CharBuffer.allocate(
                (int) ((double) src.remaining() * decoder.maxCharsPerByte()));
        try {
            CoderResult cr = decoder.decode(src, dst, true);
            if (!cr.isUnderflow()) {
                cr.throwException();
            }

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    }


    static String decodeString(ByteBuffer src, Charset charset) {
        final CharsetDecoder decoder = CharsetUtil.getDecoder(charset);
        final CharBuffer dst = CharBuffer.allocate(
                (int) ((double) src.remaining() * decoder.maxCharsPerByte()));
        try {
            CoderResult cr = decoder.decode(src, dst, true);
            if (!cr.isUnderflow()) {
                cr.throwException();
            }

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        // when safeTrim() is invoked...the "safe" way to do is to redundant
        // check (... && (isTrusted || SM == null || getClassLoader0())) in trim
        // but it then can be argued that the SM is null when the opertaion
        // is started...
        CharsetDecoder cd = cs.newDecoder();
        int en = scale(len, cd.maxCharsPerByte());
        char[] ca = new char[en];
        if (len == 0)
            return ca;
        boolean isTrusted = false;
        if (System.getSecurityManager() != null) {

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final class ZipCoder {


    String toString(byte[] ba, int length) {
        CharsetDecoder cd = decoder().reset();
        int len = (int)(length * cd.maxCharsPerByte());
        char[] ca = new char[len];
        if (len == 0)
            return new String(ca);
        // UTF-8 only for now. Other ArrayDeocder only handles
        // CodingErrorAction.REPLACE mode. ZipCoder uses

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        int n = 0;
        if (buffer.remaining() > 0) {
            n = (int) (buffer.remaining() * decoder.averageCharsPerByte());
            if (n == 0) {
                n = (int) (buffer.remaining() * decoder.maxCharsPerByte());
            }
        }
        if (n == 0) {
            return "";
        }

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        // when safeTrim() is invoked...the "safe" way to do is to redundant
        // check (... && (isTrusted || SM == null || getClassLoader0())) in trim
        // but it then can be argued that the SM is null when the opertaion
        // is started...
        CharsetDecoder cd = cs.newDecoder();
        int en = scale(len, cd.maxCharsPerByte());
        char[] ca = new char[en];
        if (len == 0)
            return ca;
        boolean isTrusted = false;
        if (System.getSecurityManager() != null) {

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final class ZipCoder {


    String toString(byte[] ba, int length) {
        CharsetDecoder cd = decoder().reset();
        int len = (int)(length * cd.maxCharsPerByte());
        char[] ca = new char[len];
        if (len == 0)
            return new String(ca);
        ByteBuffer bb = ByteBuffer.wrap(ba, 0, length);
        CharBuffer cb = CharBuffer.wrap(ca);

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