Examples with TokenBuffer com.fasterxml.jackson.databind.util.TokenBuffer used on opensource projects

Example 11 with TokenBuffer

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

the class TestJacksonTypes method testTokenBuffer.

/**
     * Verify that {@link TokenBuffer} can be properly serialized
     * automatically, using the "standard" JSON sample document
     */
public void testTokenBuffer() throws Exception {
    // First, copy events from known good source (StringReader)
    JsonParser jp = createParserUsingReader(SAMPLE_DOC_JSON_SPEC);
    TokenBuffer tb = new TokenBuffer(null, false);
    while (jp.nextToken() != null) {
        tb.copyCurrentEvent(jp);
    }
    jp.close();
    // Then serialize as String
    String str = serializeAsString(tb);
    tb.close();
    // and verify it looks ok
    verifyJsonSpecSampleDoc(createParserUsingReader(str), true);
}

Example 12 with TokenBuffer

use of com.fasterxml.jackson.databind.util.TokenBuffer in project java by wavefrontHQ.

the class JsonMetricsGenerator method generateJsonMetrics.

public static JsonNode generateJsonMetrics(MetricsRegistry registry, boolean includeVMMetrics, boolean includeBuildMetrics, boolean clearMetrics, @Nullable Map<String, String> pointTags, @Nullable MetricTranslator metricTranslator) throws IOException {
    TokenBuffer t = new TokenBuffer(new ObjectMapper(), false);
    writeJson(t, registry, includeVMMetrics, includeBuildMetrics, clearMetrics, pointTags, metricTranslator);
    JsonParser parser = t.asParser();
    return parser.readValueAsTree();
}

Example 13 with TokenBuffer

use of com.fasterxml.jackson.databind.util.TokenBuffer in project jackson-jaxrs-propertyfiltering by HubSpot.

the class PropertyFilteringMessageBodyWriter method valueToTree.

private JsonNode valueToTree(ObjectMapper mapper, ObjectWriter writer, Object o) {
    if (o == null) {
        return null;
    }
    TokenBuffer buf = new TokenBuffer(mapper, false);
    JsonNode result;
    try {
        writer.writeValue(buf, o);
        JsonParser jp = buf.asParser();
        result = mapper.readTree(jp);
        jp.close();
    } catch (IOException e) {
        // should not occur, no real i/o...
        throw new IllegalArgumentException(e.getMessage(), e);
    }
    return result;
}

Example 14 with TokenBuffer

use of com.fasterxml.jackson.databind.util.TokenBuffer in project drill by apache.

the class DrillValuesRelBase method convertToJsonNode.

private static JsonNode convertToJsonNode(RelDataType rowType, List<? extends List<RexLiteral>> tuples) throws IOException {
    TokenBuffer out = new TokenBuffer(MAPPER.getFactory().getCodec(), false);
    JsonOutput json = new ExtendedJsonOutput(out);
    json.writeStartArray();
    String[] fields = rowType.getFieldNames().toArray(new String[rowType.getFieldCount()]);
    for (List<RexLiteral> row : tuples) {
        json.writeStartObject();
        int i = 0;
        for (RexLiteral field : row) {
            json.writeFieldName(fields[i]);
            writeLiteral(field, json);
            i++;
        }
        json.writeEndObject();
    }
    json.writeEndArray();
    json.flush();
    return out.asParser().readValueAsTree();
}

Example 15 with TokenBuffer

use of com.fasterxml.jackson.databind.util.TokenBuffer in project spring-framework by spring-projects.

the class AbstractJackson2Decoder method decode.

@Override
public Flux<Object> decode(Publisher<DataBuffer> input, ResolvableType elementType, @Nullable MimeType mimeType, @Nullable Map<String, Object> hints) {
    ObjectMapper mapper = selectObjectMapper(elementType, mimeType);
    if (mapper == null) {
        throw new IllegalStateException("No ObjectMapper for " + elementType);
    }
    boolean forceUseOfBigDecimal = mapper.isEnabled(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS);
    if (BigDecimal.class.equals(elementType.getType())) {
        forceUseOfBigDecimal = true;
    }
    Flux<DataBuffer> processed = processInput(input, elementType, mimeType, hints);
    Flux<TokenBuffer> tokens = Jackson2Tokenizer.tokenize(processed, mapper.getFactory(), mapper, true, forceUseOfBigDecimal, getMaxInMemorySize());
    ObjectReader reader = getObjectReader(mapper, elementType, hints);
    return tokens.handle((tokenBuffer, sink) -> {
        try {
            Object value = reader.readValue(tokenBuffer.asParser(mapper));
            logValue(value, hints);
            if (value != null) {
                sink.next(value);
            }
        } catch (IOException ex) {
            sink.error(processException(ex));
        }
    });
}