Examples with JsonToken org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonToken used on opensource projects

Example 51 with JsonToken

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonToken in project curiostack by curioswitch.

the class ParseSupport method parseObjectStart.

/**
 * Checks the current token is '{' and advances past it. For parsing the beginning of JSON objects
 * ({@link Message}s and {@link java.util.Map}s).
 */
public static void parseObjectStart(JsonParser parser) throws IOException {
    JsonToken json = parser.currentToken();
    if (json != JsonToken.START_OBJECT) {
        throw new InvalidProtocolBufferException("Expected an object but found: " + json);
    }
    parser.nextToken();
}

Example 52 with JsonToken

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonToken in project curiostack by curioswitch.

the class ParseSupport method parseString.

/**
 * Parsers a string value out of the input.
 */
public static String parseString(JsonParser parser) throws IOException {
    JsonToken json = parser.currentToken();
    String result = null;
    try {
        result = parser.getValueAsString();
    } catch (IOException e) {
    // Fall through
    }
    if (result == null) {
        throw new InvalidProtocolBufferException("Not a string value: " + json);
    }
    return result;
}

Example 53 with JsonToken

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonToken in project cytoscape-impl by cytoscape.

the class CyTransformerReaderImpl method readCompositeFilter.

@SuppressWarnings({ "unchecked", "rawtypes" })
private void readCompositeFilter(JsonParser parser, CompositeFilter composite) throws IOException {
    JsonToken firstToken = parser.nextToken();
    if (firstToken == JsonToken.END_OBJECT) {
        return;
    }
    if (firstToken != JsonToken.FIELD_NAME) {
        throw new IOException("Expected: " + JsonToken.FIELD_NAME + ". Got: " + firstToken);
    }
    assertEquals(FilterIO.TRANSFORMERS_FIELD, parser.getCurrentName());
    assertEquals(JsonToken.START_ARRAY, parser.nextToken());
    while (true) {
        Filter filter = (Filter) readTransformer(parser);
        if (filter == null) {
            break;
        }
        composite.append(filter);
    }
    assertEquals(JsonToken.END_ARRAY, parser.getCurrentToken());
    assertNextToken(parser, JsonToken.END_OBJECT);
}

Example 54 with JsonToken

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonToken in project cytoscape-impl by cytoscape.

the class CyTransformerReaderImpl method readTransformer.

private Transformer<?, ?> readTransformer(JsonParser parser) throws IOException {
    JsonToken firstToken = parser.nextToken();
    if (firstToken == JsonToken.END_ARRAY) {
        return null;
    }
    if (firstToken != JsonToken.START_OBJECT) {
        throw new IOException("Expected: " + JsonToken.START_OBJECT + ". Got: " + firstToken);
    }
    assertField(parser, FilterIO.ID_FIELD);
    String id = parser.nextTextValue();
    assertField(parser, FilterIO.PARAMETERS_FIELD);
    assertNextToken(parser, JsonToken.START_OBJECT);
    Transformer<?, ?> transformer = transformerManager.createTransformer(id);
    if (transformer == null && !id.contains(".")) {
        transformer = transformerManager.createTransformer("org.cytoscape." + id);
    }
    if (transformer == null) {
        throw new IOException("Unrecognized id: '" + id + "'");
    }
    Map<String, Object> parameters = readParameters(parser);
    assertEquals(JsonToken.END_OBJECT, parser.getCurrentToken());
    FilterIO.applyParameters(parameters, transformer);
    if (transformer instanceof CompositeFilter) {
        readCompositeFilter(parser, (CompositeFilter<?, ?>) transformer);
    } else if (transformer instanceof SubFilterTransformer) {
        SubFilterTransformer<?, ?> sft = (SubFilterTransformer<?, ?>) transformer;
        readCompositeFilter(parser, sft.getCompositeFilter());
    } else {
        assertNextToken(parser, JsonToken.END_OBJECT);
    }
    return transformer;
}

Example 55 with JsonToken

use of org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonToken in project components by Talend.

the class DatasetWritePayload method createStreamToReadData.

private static Iterator<IndexedRecord> createStreamToReadData(JsonParser parser, ObjectMapper mapper, Schema schema, InputStream input) throws IOException {
    JsonToken dataFieldToken = parser.nextToken();
    isTrue(FIELD_NAME == dataFieldToken, invalidInputMessage(FIELD_NAME, dataFieldToken));
    isTrue(Objects.equals(DATA_FIELD_NAME, parser.getText()), invalidInputMessage(DATA_FIELD_NAME, parser.getText()));
    JsonToken dataArrayStartToken = parser.nextToken();
    isTrue(START_ARRAY == dataArrayStartToken, invalidInputMessage(START_ARRAY, dataArrayStartToken));
    JsonToken firstDataObjectStartToken = parser.nextToken();
    isTrue(START_OBJECT == firstDataObjectStartToken, invalidInputMessage(START_OBJECT, firstDataObjectStartToken));
    Iterator<ObjectNode> objectNodeIterator = parser.readValuesAs(ObjectNode.class);
    GenericDatumReader<GenericRecord> reader = new GenericDatumReader<>(schema);
    return new Iterator<IndexedRecord>() {

        @Override
        public boolean hasNext() {
            return objectNodeIterator.hasNext();
        }

        @Override
        public IndexedRecord next() {
            try {
                ObjectNode next = objectNodeIterator.next();
                return reader.read(null, DecoderFactory.get().jsonDecoder(schema, mapper.writeValueAsString(next)));
            } catch (IOException e) {
                throw new RuntimeException("Error while reading avro data.", e);
            }
        }
    };
}