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

Example 41 with CoderResult

use of java.nio.charset.CoderResult in project android_frameworks_base by ResurrectionRemix.

the class StrictJarManifest method writeEntry.

private static void writeEntry(OutputStream os, Attributes.Name name, String value, CharsetEncoder encoder, ByteBuffer bBuf) throws IOException {
    String nameString = name.toString();
    os.write(nameString.getBytes(StandardCharsets.US_ASCII));
    os.write(VALUE_SEPARATOR);
    encoder.reset();
    bBuf.clear().limit(LINE_LENGTH_LIMIT - nameString.length() - 2);
    CharBuffer cBuf = CharBuffer.wrap(value);
    while (true) {
        CoderResult r = encoder.encode(cBuf, bBuf, true);
        if (CoderResult.UNDERFLOW == r) {
            r = encoder.flush(bBuf);
        }
        os.write(bBuf.array(), bBuf.arrayOffset(), bBuf.position());
        os.write(LINE_SEPARATOR);
        if (CoderResult.UNDERFLOW == r) {
            break;
        }
        os.write(' ');
        bBuf.clear().limit(LINE_LENGTH_LIMIT - 1);
    }
}

Example 42 with CoderResult

use of java.nio.charset.CoderResult in project voltdb by VoltDB.

the class ByteBufUtil method encodeString0.

static ByteBuf encodeString0(ByteBufAllocator alloc, boolean enforceHeap, CharBuffer src, Charset charset) {
    final CharsetEncoder encoder = CharsetUtil.encoder(charset);
    int length = (int) ((double) src.remaining() * encoder.maxBytesPerChar());
    boolean release = true;
    final ByteBuf dst;
    if (enforceHeap) {
        dst = alloc.heapBuffer(length);
    } else {
        dst = alloc.buffer(length);
    }
    try {
        final ByteBuffer dstBuf = dst.internalNioBuffer(0, length);
        final int pos = dstBuf.position();
        CoderResult cr = encoder.encode(src, dstBuf, true);
        if (!cr.isUnderflow()) {
            cr.throwException();
        }
        cr = encoder.flush(dstBuf);
        if (!cr.isUnderflow()) {
            cr.throwException();
        }
        dst.writerIndex(dst.writerIndex() + dstBuf.position() - pos);
        release = false;
        return dst;
    } catch (CharacterCodingException x) {
        throw new IllegalStateException(x);
    } finally {
        if (release) {
            dst.release();
        }
    }
}

Example 43 with CoderResult

use of java.nio.charset.CoderResult in project async-http-client by AsyncHttpClient.

the class Utf8ByteBufCharsetDecoder method handleSplitCharBuffer.

private void handleSplitCharBuffer(ByteBuffer nioBuffer, boolean endOfInput) throws CharacterCodingException {
    // TODO we could save charSize
    int missingBytes = charSize(splitCharBuffer.get(0)) - splitCharBuffer.position();
    if (nioBuffer.remaining() < missingBytes) {
        if (endOfInput) {
            throw new CharacterCodingException();
        }
        // still not enough bytes
        splitCharBuffer.put(nioBuffer);
    } else {
        // FIXME better way?
        for (int i = 0; i < missingBytes; i++) {
            splitCharBuffer.put(nioBuffer.get());
        }
        splitCharBuffer.flip();
        CoderResult res = decoder.decode(splitCharBuffer, charBuffer, endOfInput && !nioBuffer.hasRemaining());
        if (res.isError()) {
            res.throwException();
        }
        splitCharBuffer.clear();
    }
}

Example 44 with CoderResult

use of java.nio.charset.CoderResult in project logging-log4j2 by apache.

the class TextEncoderHelper method flushRemainingBytes.

private static ByteBuffer flushRemainingBytes(final CharsetEncoder charsetEncoder, final ByteBufferDestination destination, ByteBuffer temp) throws CharacterCodingException {
    CoderResult result;
    do {
        // write any final bytes to the output buffer once the overall input sequence has been read
        result = charsetEncoder.flush(temp);
        temp = drainIfByteBufferFull(destination, temp, result);
    } while (// byte buffer has been drained: retry
    result.isOverflow());
    if (!result.isUnderflow()) {
        // we should have fully flushed the remaining bytes
        result.throwException();
    }
    return temp;
}

Example 45 with CoderResult

use of java.nio.charset.CoderResult in project logging-log4j2 by apache.

the class TextEncoderHelper method encodeAsMuchAsPossible.

private static ByteBuffer encodeAsMuchAsPossible(final CharsetEncoder charsetEncoder, final CharBuffer charBuf, final boolean endOfInput, final ByteBufferDestination destination, ByteBuffer temp) throws CharacterCodingException {
    CoderResult result;
    do {
        result = charsetEncoder.encode(charBuf, temp, endOfInput);
        temp = drainIfByteBufferFull(destination, temp, result);
    } while (// byte buffer has been drained: retry
    result.isOverflow());
    if (!result.isUnderflow()) {
        // we should have fully read the char buffer contents
        result.throwException();
    }
    return temp;
}