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

Example 26 with CoderResult

use of java.nio.charset.CoderResult in project robovm by robovm.

the class CharsetDecoderTest method testDecodeLjava_nio_ByteBuffer_ReplaceOverflow.

/*
	 * Test the method decode(ByteBuffer) .
	 */
public void testDecodeLjava_nio_ByteBuffer_ReplaceOverflow() throws Exception {
    String replaceString = "a";
    Charset cs = Charset.forName("UTF-8");
    MockMalformedDecoder decoder = new MockMalformedDecoder(cs);
    decoder.onMalformedInput(CodingErrorAction.REPLACE);
    decoder.replaceWith(replaceString);
    CharBuffer out = CharBuffer.allocate(1);
    // MockMalformedDecoder treats the second byte '0x38' as malformed,
    // but "out" doesn't have enough space for replace string.
    ByteBuffer in = ByteBuffer.wrap(new byte[] { 0x45, 0x38, 0x45, 0x45 });
    CoderResult result = decoder.decode(in, out, false);
    assertTrue(result.isOverflow());
    // allocate enough space for "out"
    out = CharBuffer.allocate(10);
    // replace string should be put into "out" firstly,
    // and then decode "in".
    result = decoder.decode(in, out, true);
    out.flip();
    assertTrue(result.isUnderflow());
    assertEquals("bb", out.toString());
}

Example 27 with CoderResult

use of java.nio.charset.CoderResult in project platform_frameworks_base by android.

the class FastXmlSerializer method flush.

public void flush() throws IOException {
    //Log.i("PackageManager", "flush mPos=" + mPos);
    if (mPos > 0) {
        if (mOutputStream != null) {
            CharBuffer charBuffer = CharBuffer.wrap(mText, 0, mPos);
            CoderResult result = mCharset.encode(charBuffer, mBytes, true);
            while (true) {
                if (result.isError()) {
                    throw new IOException(result.toString());
                } else if (result.isOverflow()) {
                    flushBytes();
                    result = mCharset.encode(charBuffer, mBytes, true);
                    continue;
                }
                break;
            }
            flushBytes();
            mOutputStream.flush();
        } else {
            mWriter.write(mText, 0, mPos);
            mWriter.flush();
        }
        mPos = 0;
    }
}

Example 28 with CoderResult

use of java.nio.charset.CoderResult in project carat by amplab.

the class FastXmlSerializer method flush.

public void flush() throws IOException {
    //Log.i("PackageManager", "flush mPos=" + mPos);
    if (mPos > 0) {
        if (mOutputStream != null) {
            CharBuffer charBuffer = CharBuffer.wrap(mText, 0, mPos);
            CoderResult result = mCharset.encode(charBuffer, mBytes, true);
            while (true) {
                if (result.isError()) {
                    throw new IOException(result.toString());
                } else if (result.isOverflow()) {
                    flushBytes();
                    result = mCharset.encode(charBuffer, mBytes, true);
                    continue;
                }
                break;
            }
            flushBytes();
            mOutputStream.flush();
        } else {
            mWriter.write(mText, 0, mPos);
            mWriter.flush();
        }
        mPos = 0;
    }
}

Example 29 with CoderResult

use of java.nio.charset.CoderResult in project cassandra by apache.

the class CBUtil method decodeString.

// Taken from Netty's ChannelBuffers.decodeString(). We need to use our own decoder to properly handle invalid
// UTF-8 sequences.  See CASSANDRA-8101 for more details.  This can be removed once https://github.com/netty/netty/pull/2999
// is resolved in a release used by Cassandra.
private static String decodeString(ByteBuffer src) throws CharacterCodingException {
    // the decoder needs to be reset every time we use it, hence the copy per thread
    CharsetDecoder theDecoder = TL_UTF8_DECODER.get();
    theDecoder.reset();
    CharBuffer dst = TL_CHAR_BUFFER.get();
    int capacity = (int) ((double) src.remaining() * theDecoder.maxCharsPerByte());
    if (dst == null) {
        capacity = Math.max(capacity, 4096);
        dst = CharBuffer.allocate(capacity);
        TL_CHAR_BUFFER.set(dst);
    } else {
        dst.clear();
        if (dst.capacity() < capacity) {
            dst = CharBuffer.allocate(capacity);
            TL_CHAR_BUFFER.set(dst);
        }
    }
    CoderResult cr = theDecoder.decode(src, dst, true);
    if (!cr.isUnderflow())
        cr.throwException();
    return dst.flip().toString();
}

Example 30 with CoderResult

use of java.nio.charset.CoderResult in project Japid by branaway.

the class StringUtils method encodeUTF8.

/**
	 * try to encode a char[] as fast as possible for later use in outputstream
	 * 
	 * @param ca
	 * @param off
	 * @param len
	 * @return
	 */
public static ByteBuffer encodeUTF8(String src) {
    // char[] ca = src.toCharArray();
    int len = src.length();
    int off = 0;
    int en = (int) (len * ce.maxBytesPerChar());
    byte[] ba = new byte[en];
    if (len == 0)
        return null;
    ce.reset();
    ByteBuffer bb = ByteBuffer.wrap(ba);
    CharBuffer cb = CharBuffer.wrap(src, off, len);
    try {
        CoderResult cr = ce.encode(cb, bb, true);
        if (!cr.isUnderflow())
            cr.throwException();
        cr = ce.flush(bb);
        if (!cr.isUnderflow())
            cr.throwException();
        return bb;
    } catch (CharacterCodingException x) {
        // so this shouldn't happen
        throw new Error(x);
    }
}