Examples with ByteArrayBuilder com.fasterxml.jackson.core.util.ByteArrayBuilder used on opensource projects

Example 1 with ByteArrayBuilder

use of com.fasterxml.jackson.core.util.ByteArrayBuilder in project jackson-databind by FasterXML.

the class TextNode method getBinaryValue.

/**
     * Method for accessing textual contents assuming they were
     * base64 encoded; if so, they are decoded and resulting binary
     * data is returned.
     */
@SuppressWarnings("resource")
public byte[] getBinaryValue(Base64Variant b64variant) throws IOException {
    final String str = _value.trim();
    ByteArrayBuilder builder = new ByteArrayBuilder(4 + ((str.length() * 3) << 2));
    try {
        b64variant.decode(str, builder);
    } catch (IllegalArgumentException e) {
        throw InvalidFormatException.from(null, String.format("Can not access contents of TextNode as binary due to broken Base64 encoding: %s", e.getMessage()), str, byte[].class);
    }
    return builder.toByteArray();
}

Example 2 with ByteArrayBuilder

use of com.fasterxml.jackson.core.util.ByteArrayBuilder in project jackson-core by FasterXML.

the class JsonStringEncoder method quoteAsUTF8.

/**
     * Will quote given JSON String value using standard quoting, encode
     * results as UTF-8, and return result as a byte array.
     */
@SuppressWarnings("resource")
public byte[] quoteAsUTF8(String text) {
    ByteArrayBuilder bb = _bytes;
    if (bb == null) {
        // no allocator; can add if we must, shouldn't need to
        _bytes = bb = new ByteArrayBuilder(null);
    }
    int inputPtr = 0;
    int inputEnd = text.length();
    int outputPtr = 0;
    byte[] outputBuffer = bb.resetAndGetFirstSegment();
    main: while (inputPtr < inputEnd) {
        final int[] escCodes = CharTypes.get7BitOutputEscapes();
        inner_loop: while (true) {
            int ch = text.charAt(inputPtr);
            if (ch > 0x7F || escCodes[ch] != 0) {
                break inner_loop;
            }
            if (outputPtr >= outputBuffer.length) {
                outputBuffer = bb.finishCurrentSegment();
                outputPtr = 0;
            }
            outputBuffer[outputPtr++] = (byte) ch;
            if (++inputPtr >= inputEnd) {
                break main;
            }
        }
        if (outputPtr >= outputBuffer.length) {
            outputBuffer = bb.finishCurrentSegment();
            outputPtr = 0;
        }
        // Ok, so what did we hit?
        int ch = (int) text.charAt(inputPtr++);
        if (ch <= 0x7F) {
            // needs quoting
            int escape = escCodes[ch];
            // ctrl-char, 6-byte escape...
            outputPtr = _appendByte(ch, escape, bb, outputPtr);
            outputBuffer = bb.getCurrentSegment();
            continue main;
        }
        if (ch <= 0x7FF) {
            // fine, just needs 2 byte output
            outputBuffer[outputPtr++] = (byte) (0xc0 | (ch >> 6));
            ch = (0x80 | (ch & 0x3f));
        } else {
            // Surrogates?
            if (ch < SURR1_FIRST || ch > SURR2_LAST) {
                // nope
                outputBuffer[outputPtr++] = (byte) (0xe0 | (ch >> 12));
                if (outputPtr >= outputBuffer.length) {
                    outputBuffer = bb.finishCurrentSegment();
                    outputPtr = 0;
                }
                outputBuffer[outputPtr++] = (byte) (0x80 | ((ch >> 6) & 0x3f));
                ch = (0x80 | (ch & 0x3f));
            } else {
                // yes, surrogate pair
                if (ch > SURR1_LAST) {
                    // must be from first range
                    _illegal(ch);
                }
                // and if so, followed by another from next range
                if (inputPtr >= inputEnd) {
                    _illegal(ch);
                }
                ch = _convert(ch, text.charAt(inputPtr++));
                if (ch > 0x10FFFF) {
                    // illegal, as per RFC 4627
                    _illegal(ch);
                }
                outputBuffer[outputPtr++] = (byte) (0xf0 | (ch >> 18));
                if (outputPtr >= outputBuffer.length) {
                    outputBuffer = bb.finishCurrentSegment();
                    outputPtr = 0;
                }
                outputBuffer[outputPtr++] = (byte) (0x80 | ((ch >> 12) & 0x3f));
                if (outputPtr >= outputBuffer.length) {
                    outputBuffer = bb.finishCurrentSegment();
                    outputPtr = 0;
                }
                outputBuffer[outputPtr++] = (byte) (0x80 | ((ch >> 6) & 0x3f));
                ch = (0x80 | (ch & 0x3f));
            }
        }
        if (outputPtr >= outputBuffer.length) {
            outputBuffer = bb.finishCurrentSegment();
            outputPtr = 0;
        }
        outputBuffer[outputPtr++] = (byte) ch;
    }
    return _bytes.completeAndCoalesce(outputPtr);
}

Example 3 with ByteArrayBuilder

use of com.fasterxml.jackson.core.util.ByteArrayBuilder in project Gaffer by gchq.

the class RoaringBitmapJsonSerialisationTest method testCanSerialiseAndDeserialise.

@Test
public void testCanSerialiseAndDeserialise() throws IOException {
    final ByteArrayBuilder byteArrayBuilder = new ByteArrayBuilder();
    JsonGenerator jsonGenerator = JSON_FACTORY.createGenerator(byteArrayBuilder);
    RoaringBitmap testBitmap = new RoaringBitmap();
    testBitmap.add(2);
    testBitmap.add(3000);
    testBitmap.add(300000);
    for (int i = 400000; i < 500000; i += 2) {
        testBitmap.add(i);
    }
    SERIALISER.serialize(testBitmap, jsonGenerator, null);
    jsonGenerator.flush();
    byte[] serialisedBitmap = byteArrayBuilder.toByteArray();
    JsonParser parser = JSON_FACTORY.createParser(serialisedBitmap);
    parser.setCodec(new ObjectMapper());
    Object o = DESERIALISER.deserialize(parser, null);
    assertEquals(RoaringBitmap.class, o.getClass());
    assertEquals(testBitmap, o);
}

Example 4 with ByteArrayBuilder

use of com.fasterxml.jackson.core.util.ByteArrayBuilder in project Gaffer by gchq.

the class RoaringBitmapJsonSerialisationTest method testCanDeserialiseVersionZeroPointThreePointFourBitmap.

@Test
public void testCanDeserialiseVersionZeroPointThreePointFourBitmap() throws IOException {
    //Bitmap of (2,3000,300000) serialised in 0.3.4 Roaring Bitmap base 64 encoded
    String serialisedBitmap = "{\"roaringBitmap\":{\"value\":\"OTAAAAIAAAAAAAEABAAAAAIAuAvgkw==\"}}";
    RoaringBitmap comparisonBitmap = new RoaringBitmap();
    comparisonBitmap.add(2);
    comparisonBitmap.add(3000);
    comparisonBitmap.add(300000);
    JsonParser parser = JSON_FACTORY.createParser(serialisedBitmap);
    parser.setCodec(new ObjectMapper());
    Object o = DESERIALISER.deserialize(parser, null);
    assertEquals(RoaringBitmap.class, o.getClass());
    assertEquals(comparisonBitmap, o);
    ByteArrayBuilder byteArrayBuilder = new ByteArrayBuilder();
    JsonGenerator jsonGenerator = JSON_FACTORY.createGenerator(byteArrayBuilder);
    SERIALISER.serialize((RoaringBitmap) o, jsonGenerator, null);
    jsonGenerator.flush();
    byte[] bytes = byteArrayBuilder.toByteArray();
    String reSerialisedBitmap = new String(bytes);
    byteArrayBuilder = new ByteArrayBuilder();
    jsonGenerator = JSON_FACTORY.createGenerator(byteArrayBuilder);
    SERIALISER.serialize(comparisonBitmap, jsonGenerator, null);
    jsonGenerator.flush();
    String serialisedComparisonBitmap = new String(byteArrayBuilder.toByteArray());
    assertNotEquals(reSerialisedBitmap, serialisedBitmap);
    assertEquals(reSerialisedBitmap, serialisedComparisonBitmap);
}

Example 5 with ByteArrayBuilder

use of com.fasterxml.jackson.core.util.ByteArrayBuilder in project Gaffer by gchq.

the class RoaringBitmapJsonSerialisationTest method testCanSerialiseAndDeserialiseWithRuns.

@Test
public void testCanSerialiseAndDeserialiseWithRuns() throws IOException {
    final ByteArrayBuilder byteArrayBuilder = new ByteArrayBuilder();
    JsonGenerator jsonGenerator = JSON_FACTORY.createGenerator(byteArrayBuilder);
    RoaringBitmap testBitmap = new RoaringBitmap();
    testBitmap.add(2);
    testBitmap.add(3000);
    testBitmap.add(300000);
    for (int i = 400000; i < 500000; i += 2) {
        testBitmap.add(i);
    }
    testBitmap.runOptimize();
    SERIALISER.serialize(testBitmap, jsonGenerator, null);
    jsonGenerator.flush();
    byte[] serialisedBitmap = byteArrayBuilder.toByteArray();
    JsonParser parser = JSON_FACTORY.createParser(serialisedBitmap);
    parser.setCodec(new ObjectMapper());
    Object o = DESERIALISER.deserialize(parser, null);
    assertEquals(RoaringBitmap.class, o.getClass());
    assertEquals(testBitmap, o);
}