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

Example 31 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project checker-framework by typetools.

the class StringCoding method encode.

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) {
        if (!(isTrusted = (cs.getClass().getClassLoader0() == null))) {
            ca = Arrays.copyOfRange(ca, off, off + len);
            off = 0;
        }
    }
    ce.onMalformedInput(CodingErrorAction.REPLACE).onUnmappableCharacter(CodingErrorAction.REPLACE).reset();
    if (ce instanceof ArrayEncoder) {
        int blen = ((ArrayEncoder) ce).encode(ca, off, len, ba);
        return safeTrim(ba, blen, cs, isTrusted);
    } else {
        ByteBuffer bb = ByteBuffer.wrap(ba);
        CharBuffer cb = CharBuffer.wrap(ca, off, len);
        try {
            CoderResult cr = ce.encode(cb, bb, true);
            if (!cr.isUnderflow())
                cr.throwException();
            cr = ce.flush(bb);
            if (!cr.isUnderflow())
                cr.throwException();
        } catch (CharacterCodingException x) {
            throw new Error(x);
        }
        return safeTrim(ba, bb.position(), cs, isTrusted);
    }
}

Example 32 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project erlide_eclipse by erlang.

the class Util method encode.

public static byte[] encode(final String string, final String encoding) {
    final Charset charset = Charset.forName(encoding);
    final CharsetEncoder encoder = charset.newEncoder();
    try {
        final CharBuffer cbuf = CharBuffer.wrap(string);
        final ByteBuffer bbuf = encoder.encode(cbuf);
        return bbuf.array();
    } catch (final CharacterCodingException e) {
        return null;
    }
}

Example 33 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project erlide_eclipse by erlang.

the class Util method decode.

public static String decode(final byte[] binaryValue, final Charset charset) {
    final CharsetDecoder decoder = charset.newDecoder();
    try {
        final ByteBuffer bbuf = ByteBuffer.wrap(binaryValue);
        final CharBuffer cbuf = decoder.decode(bbuf);
        return cbuf.toString();
    } catch (final CharacterCodingException e) {
        return null;
    }
}

Example 34 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project erlide_eclipse by erlang.

the class IndexedErlangValue method getBinaryValueString.

private static String getBinaryValueString(final OtpErlangBinary b) {
    final StringBuilder sb = new StringBuilder("<<");
    if (b.size() > 0) {
        final byte[] bytes = b.binaryValue();
        CharBuffer cb = null;
        if (IndexedErlangValue.looksLikeAscii(bytes)) {
            final Charset[] css = { Charsets.UTF_8, Charsets.ISO_8859_1 };
            final Charset[] tryCharsets = css;
            for (final Charset cset : tryCharsets) {
                final CharsetDecoder cd = cset.newDecoder();
                cd.onMalformedInput(CodingErrorAction.REPORT);
                cd.onUnmappableCharacter(CodingErrorAction.REPORT);
                try {
                    cb = cd.decode(ByteBuffer.wrap(bytes));
                    break;
                } catch (final CharacterCodingException e) {
                }
            }
        }
        if (cb != null && cb.length() > 0) {
            sb.append('"').append(cb).append('"');
        } else {
            for (int i = 0, n = bytes.length; i < n; ++i) {
                int j = bytes[i];
                if (j < 0) {
                    j += 256;
                }
                sb.append(j);
                if (i < n - 1) {
                    sb.append(',');
                }
            }
        }
    }
    sb.append(">>");
    return sb.toString();
}

Example 35 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project mkgmap by openstreetmap.

the class PolishMapDataSource method recode.

/**
 * Convert the value of a label into a string based on the declared
 * code page in the file.
 *
 * This makes assumptions about the way that the .mp file is written
 * that may not be correct.
 *
 * @param value The string that has been read with ISO-8859-1.
 * @return A possibly different string that is obtained by taking the
 * bytes in the input string and decoding them as if they had the
 * declared code page.
 */
private String recode(String value) {
    if (dec != null) {
        try {
            // Get the bytes that were actually in the file.
            byte[] bytes = value.getBytes(READING_CHARSET);
            ByteBuffer buf = ByteBuffer.wrap(bytes);
            // Decode from bytes with the correct code page.
            CharBuffer out = dec.decode(buf);
            return out.toString();
        } catch (UnsupportedEncodingException e) {
            // Java requires this support, so unlikely to happen
            log.warn("no support for " + READING_CHARSET);
        } catch (CharacterCodingException e) {
            log.error("error decoding label", e);
        }
    }
    return value;
}