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

Example 46 with CoderResult

use of java.nio.charset.CoderResult 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 47 with CoderResult

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

the class ZipCoder method toString.

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);
    // REPORT mode.
    if (isUTF8 && cd instanceof ArrayDecoder) {
        int clen = ((ArrayDecoder) cd).decode(ba, 0, length, ca);
        if (// malformed
        clen == -1)
            throw new IllegalArgumentException("MALFORMED");
        return new String(ca, 0, clen);
    }
    ByteBuffer bb = ByteBuffer.wrap(ba, 0, length);
    CharBuffer cb = CharBuffer.wrap(ca);
    CoderResult cr = cd.decode(bb, cb, true);
    if (!cr.isUnderflow())
        throw new IllegalArgumentException(cr.toString());
    cr = cd.flush(cb);
    if (!cr.isUnderflow())
        throw new IllegalArgumentException(cr.toString());
    return new String(ca, 0, cb.position());
}

Example 48 with CoderResult

use of java.nio.charset.CoderResult in project SimpleFlatMapper by arnaudroger.

the class CharReadingBenchmark method memoryMappedFile.

@Benchmark
public void memoryMappedFile(Blackhole blackhole) throws IOException {
    char[] buffer = new char[bufferSize];
    try (FileChannel channel = FileChannel.open(file.toPath())) {
        MappedByteBuffer byteBuffer = channel.map(FileChannel.MapMode.READ_ONLY, 0, channel.size());
        CharsetDecoder charsetDecoder = charset.newDecoder();
        while (byteBuffer.hasRemaining()) {
            CoderResult coderResult = charsetDecoder.decode(byteBuffer, CharBuffer.wrap(buffer), true);
            blackhole.consume(buffer);
        }
    }
}

Example 49 with CoderResult

use of java.nio.charset.CoderResult in project spf4j by zolyfarkas.

the class Strings method decode.

@SuppressFBWarnings("SUA_SUSPICIOUS_UNINITIALIZED_ARRAY")
public static String decode(final CharsetDecoder cd, final byte[] ba, final int off, final int len) {
    if (len == 0) {
        return "";
    }
    int en = (int) (len * (double) cd.maxCharsPerByte());
    char[] ca = TLScratch.getCharsTmp(en);
    if (cd instanceof ArrayDecoder) {
        int clen = ((ArrayDecoder) cd).decode(ba, off, len, ca);
        return new String(ca, 0, clen);
    }
    cd.reset();
    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) {
        throw new UncheckedIOException(x);
    }
    return new String(ca, 0, cb.position());
}

Example 50 with CoderResult

use of java.nio.charset.CoderResult in project liferay-ide by liferay.

the class BndProperties method _convert.

private String _convert(byte[] buffer, Charset charset) throws IOException {
    CharsetDecoder decoder = charset.newDecoder();
    ByteBuffer bb = ByteBuffer.wrap(buffer);
    CharBuffer cb = CharBuffer.allocate(buffer.length * 4);
    CoderResult result = decoder.decode(bb, cb, true);
    if (!result.isError()) {
        return new String(cb.array(), 0, cb.position());
    }
    throw new CharacterCodingException();
}