Examples with CharacterCodingException java.nio.charset.CharacterCodingException used on opensource projects

Example 41 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project dkpro-lab by dkpro.

the class Encode method decodeBytes.

private static String decodeBytes(String enc, CharsetDecoder decoder) {
    Matcher matcher = encodedChars.matcher(enc);
    StringBuffer buf = new StringBuffer();
    ByteBuffer bytes = ByteBuffer.allocate(enc.length() / 3);
    while (matcher.find()) {
        int b = Integer.parseInt(matcher.group(1), 16);
        bytes.put((byte) b);
    }
    bytes.flip();
    try {
        return decoder.decode(bytes).toString();
    } catch (CharacterCodingException e) {
        throw new RuntimeException(e);
    }
}

Example 42 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project incubator-rya by apache.

the class ColumnPrefixes method concat.

private static Text concat(Text prefix, String str) {
    Text temp = new Text(prefix);
    try {
        ByteBuffer buffer = Text.encode(str, false);
        temp.append(buffer.array(), 0, buffer.limit());
    } catch (CharacterCodingException cce) {
        throw new IllegalArgumentException(cce);
    }
    return temp;
}

Example 43 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project Bytecoder by mirkosertic.

the class URI method encode.

// Encodes all characters >= \u0080 into escaped, normalized UTF-8 octets,
// assuming that s is otherwise legal
// 
private static String encode(String s) {
    int n = s.length();
    if (n == 0)
        return s;
    // First check whether we actually need to encode
    for (int i = 0; ; ) {
        if (s.charAt(i) >= '\u0080')
            break;
        if (++i >= n)
            return s;
    }
    String ns = Normalizer.normalize(s, Normalizer.Form.NFC);
    ByteBuffer bb = null;
    try {
        bb = ThreadLocalCoders.encoderFor("UTF-8").encode(CharBuffer.wrap(ns));
    } catch (CharacterCodingException x) {
        assert false;
    }
    StringBuilder sb = new StringBuilder();
    while (bb.hasRemaining()) {
        int b = bb.get() & 0xff;
        if (b >= 0x80)
            appendEscape(sb, (byte) b);
        else
            sb.append((char) b);
    }
    return sb.toString();
}

Example 44 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project Bytecoder by mirkosertic.

the class StringCoding method decode.

static Result decode(Charset cs, byte[] ba, int off, int len) {
    // is started...
    if (cs == UTF_8) {
        return StringDecoderUTF8.decode(ba, off, len, new Result());
    }
    CharsetDecoder cd = cs.newDecoder();
    // ascii fastpath
    if (cs == ISO_8859_1 || ((cd instanceof ArrayDecoder) && ((ArrayDecoder) cd).isASCIICompatible() && !hasNegatives(ba, off, len))) {
        if (COMPACT_STRINGS) {
            return new Result().with(Arrays.copyOfRange(ba, off, off + len), LATIN1);
        } else {
            return new Result().with(StringLatin1.inflate(ba, off, len), UTF16);
        }
    }
    int en = scale(len, cd.maxCharsPerByte());
    if (len == 0) {
        return new Result().with();
    }
    if (cs.getClass().getClassLoader0() != null && System.getSecurityManager() != null) {
        ba = Arrays.copyOfRange(ba, off, off + len);
        off = 0;
    }
    cd.onMalformedInput(CodingErrorAction.REPLACE).onUnmappableCharacter(CodingErrorAction.REPLACE).reset();
    char[] ca = new char[en];
    if (cd instanceof ArrayDecoder) {
        int clen = ((ArrayDecoder) cd).decode(ba, off, len, ca);
        return new Result().with(ca, 0, clen);
    }
    ByteBuffer bb = ByteBuffer.wrap(ba, off, len);
    CharBuffer cb = CharBuffer.wrap(ca);
    try {
        CoderResult cr = cd.decode(bb, cb, true);
        if (!cr.isUnderflow())
            cr.throwException();
        cr = cd.flush(cb);
        if (!cr.isUnderflow())
            cr.throwException();
    } catch (CharacterCodingException x) {
        // so this shouldn't happen
        throw new Error(x);
    }
    return new Result().with(ca, 0, cb.position());
}

Example 45 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project jackrabbit-oak by apache.

the class FileIOUtilsTest method getRandomTestString.

private static String getRandomTestString() throws Exception {
    boolean valid = false;
    StringBuilder buffer = new StringBuilder();
    while (!valid) {
        int length = RANDOM.nextInt(40);
        for (int i = 0; i < length; i++) {
            buffer.append((char) (RANDOM.nextInt(Character.MAX_VALUE)));
        }
        String s = buffer.toString();
        CharsetEncoder encoder = Charset.forName(UTF_8.toString()).newEncoder();
        try {
            encoder.encode(CharBuffer.wrap(s));
            valid = true;
        } catch (CharacterCodingException e) {
            buffer = new StringBuilder();
        }
    }
    return buffer.toString();
}