Java Code Examples for org.codehaus.jackson.JsonNode#findValue()

The following examples show how to use org.codehaus.jackson.JsonNode#findValue() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: CurrencyDaoYahooFinanceOfflineSampleImpl.java From website with GNU Affero General Public License v3.0

6 votes

@Override
protected CurrencyRates loadCurrencyRates() throws Exception {
    logger.info("loading currency rates");
    ClassPathResource classPathResource = new ClassPathResource("yahoo-sample-currency-rates.json");
    
    try (InputStream instream = classPathResource.getInputStream();) {
        CurrencyRates currencyRates = new CurrencyRates();
        ObjectMapper objectMapper = new ObjectMapper();
        JsonNode jsonRootNode = objectMapper.readTree(instream);
        List<JsonNode> resourceJsonNodes = jsonRootNode.findValues("resource");
        // resourceJsonNodes.
        for (JsonNode resourceJsonNode : resourceJsonNodes) {
            JsonNode fieldsNode = resourceJsonNode.findValue("fields");
            String currencyName = fieldsNode.get("name").getValueAsText();
            currencyName = StringUtils.remove(currencyName, "USD/");
            BigDecimal currencyRate = new BigDecimal(fieldsNode.get("price").getValueAsText());
            currencyRates.getRates().put(currencyName, currencyRate);
        }
        currencyRates.getRates().put("USD", new BigDecimal(1));
        setLastLoadedCurrencyRates(currencyRates);
        return getLastLoadedCurrencyRates();
    }
}

Example 2

Source File: TestGeoJsonSerDe.java From spatial-framework-for-hadoop with Apache License 2.0

6 votes

@Test
public void TestIntWrite() throws Exception {
       ArrayList<Object> stuff = new ArrayList<Object>();
	Properties proptab = new Properties();
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMNS, "num");
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMN_TYPES, "int");
	AbstractSerDe jserde = mkSerDe(proptab);
       StructObjectInspector rowOI = (StructObjectInspector)jserde.getObjectInspector();

       // {"properties":{"num":7}}
       addWritable(stuff, 7);
	Writable jsw = jserde.serialize(stuff, rowOI);
	JsonNode jn = new ObjectMapper().readTree(((Text)jsw).toString());
	jn = jn.findValue("properties");
	jn = jn.findValue("num");
	Assert.assertEquals(7, jn.getIntValue());
}

Example 3

Source File: TestGeoJsonSerDe.java From spatial-framework-for-hadoop with Apache License 2.0

6 votes

@Test
public void TestEpochWrite() throws Exception {
       ArrayList<Object> stuff = new ArrayList<Object>();
	Properties proptab = new Properties();
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMNS, "when");
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMN_TYPES, "date");
	AbstractSerDe jserde = mkSerDe(proptab);
       StructObjectInspector rowOI = (StructObjectInspector)jserde.getObjectInspector();

       // {"properties":{"when":147147147147}}
	long epoch = 0L;  // 147147147147L;
	java.sql.Date expected = new java.sql.Date(epoch - TimeZone.getDefault().getOffset(epoch));
       addWritable(stuff, expected);
	Writable jsw = jserde.serialize(stuff, rowOI);
	JsonNode jn = new ObjectMapper().readTree(((Text)jsw).toString());
	jn = jn.findValue("properties");
	jn = jn.findValue("when");
	java.sql.Date actual = new java.sql.Date(jn.getLongValue());
	long day = 24*3600*1000;  // DateWritable stores days not milliseconds.
	Assert.assertEquals(epoch/day, jn.getLongValue()/day);
}

Example 4

Source File: TestGeoJsonSerDe.java From spatial-framework-for-hadoop with Apache License 2.0

6 votes

@Test
public void TestPointWrite() throws Exception {
       ArrayList<Object> stuff = new ArrayList<Object>();
	Properties proptab = new Properties();
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMNS, "shape");
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMN_TYPES, "binary");
	AbstractSerDe jserde = mkSerDe(proptab);
       StructObjectInspector rowOI = (StructObjectInspector)jserde.getObjectInspector();

       // {"properties":{},"geometry":{"type":"Point","coordinates":[15.0,5.0]}}
       addWritable(stuff, new Point(15.0, 5.0));
	Writable jsw = jserde.serialize(stuff, rowOI);
       String rslt = ((Text)jsw).toString();
	JsonNode jn = new ObjectMapper().readTree(rslt);
	jn = jn.findValue("geometry");
	Assert.assertNotNull(jn.findValue("type"));
	Assert.assertNotNull(jn.findValue("coordinates"));
}

Example 5

Source File: TestEsriJsonSerDe.java From spatial-framework-for-hadoop with Apache License 2.0

6 votes

@Test
public void TestIntWrite() throws Exception {
       ArrayList<Object> stuff = new ArrayList<Object>();
	Properties proptab = new Properties();
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMNS, "num");
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMN_TYPES, "int");
	AbstractSerDe jserde = mkSerDe(proptab);
       StructObjectInspector rowOI = (StructObjectInspector)jserde.getObjectInspector();

       // {"attributes":{"num":7}}
       addWritable(stuff, 7);
	Writable jsw = jserde.serialize(stuff, rowOI);
	JsonNode jn = new ObjectMapper().readTree(((Text)jsw).toString());
	jn = jn.findValue("attributes");
	jn = jn.findValue("num");
	Assert.assertEquals(7, jn.getIntValue());
}

Example 6

Source File: TestEsriJsonSerDe.java From spatial-framework-for-hadoop with Apache License 2.0

6 votes

@Test
public void TestEpochWrite() throws Exception {
	ArrayList<Object> stuff = new ArrayList<Object>();
	Properties proptab = new Properties();
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMNS, "when");
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMN_TYPES, "date");
	AbstractSerDe jserde = mkSerDe(proptab);
	StructObjectInspector rowOI = (StructObjectInspector)jserde.getObjectInspector();

	// {"attributes":{"when":147147147147}}
	long epoch = 147147147147L;
	SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MMM-dd");
	sdf.setTimeZone(TimeZone.getTimeZone("America/New_York"));
	java.sql.Date expected = new java.sql.Date(epoch);
	String expString = sdf.format(expected);
	//System.err.println(expected.getTime());
	addWritable(stuff, expected);
	Writable jsw = jserde.serialize(stuff, rowOI);
	JsonNode jn = new ObjectMapper().readTree(((Text)jsw).toString());
	jn = jn.findValue("attributes");
	jn = jn.findValue("when");
	java.sql.Date actual = new java.sql.Date(jn.getLongValue());
	String actualDateString = sdf.format(actual);
	Assert.assertEquals(expString, actualDateString);  // workaround DateWritable,j.s.Date
}

Example 7

Source File: TestEsriJsonSerDe.java From spatial-framework-for-hadoop with Apache License 2.0

6 votes

@Test
public void TestTimeWrite() throws Exception {
       ArrayList<Object> stuff = new ArrayList<Object>();
	Properties proptab = new Properties();
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMNS, "when");
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMN_TYPES, "timestamp");
	AbstractSerDe jserde = mkSerDe(proptab);
       StructObjectInspector rowOI = (StructObjectInspector)jserde.getObjectInspector();

       // {"attributes":{"when":147147147147}}
       long epoch = 147147147147L;
	java.sql.Timestamp expected = new java.sql.Timestamp(epoch);
       addWritable(stuff, expected);
	Writable jsw = jserde.serialize(stuff, rowOI);
	JsonNode jn = new ObjectMapper().readTree(((Text)jsw).toString());
	jn = jn.findValue("attributes");
	jn = jn.findValue("when");
	java.sql.Timestamp actual = new java.sql.Timestamp(jn.getLongValue());
	Assert.assertEquals(expected, actual);
}

Example 8

Source File: TestEsriJsonSerDe.java From spatial-framework-for-hadoop with Apache License 2.0

6 votes

@Test
public void TestPointWrite() throws Exception {
       ArrayList<Object> stuff = new ArrayList<Object>();
	Properties proptab = new Properties();
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMNS, "shape");
	proptab.setProperty(HiveShims.serdeConstants.LIST_COLUMN_TYPES, "binary");
	AbstractSerDe jserde = mkSerDe(proptab);
       StructObjectInspector rowOI = (StructObjectInspector)jserde.getObjectInspector();

       // {"attributes":{},"geometry":{"x":15.0,"y":5.0}}
       addWritable(stuff, new Point(15.0, 5.0));
	Writable jsw = jserde.serialize(stuff, rowOI);
       String rslt = ((Text)jsw).toString();
	JsonNode jn = new ObjectMapper().readTree(rslt);
	jn = jn.findValue("geometry");
	Assert.assertNotNull(jn.findValue("x"));
	Assert.assertNotNull(jn.findValue("y"));
}

Example 9

Source File: NiFiClient.java From ranger with Apache License 2.0

5 votes

public List<String> getResources(ResourceLookupContext context) throws Exception {
    final WebResource resource = getWebResource();
    final ClientResponse response = getResponse(resource, "application/json");

    if (Response.Status.OK.getStatusCode() != response.getStatus()) {
        String errorMsg = IOUtils.toString(response.getEntityInputStream());
        throw new Exception("Unable to retrieve resources from NiFi due to: " + errorMsg);
    }

    JsonNode rootNode = mapper.readTree(response.getEntityInputStream());
    if (rootNode == null) {
        throw new Exception("Unable to retrieve resources from NiFi");
    }

    JsonNode resourcesNode = rootNode.findValue("resources");
    List<String> identifiers = resourcesNode.findValuesAsText("identifier");

    final String userInput = context.getUserInput();
    if (StringUtils.isBlank(userInput)) {
        return identifiers;
    } else {
        List<String> filteredIdentifiers = new ArrayList<>();

        for (String identifier : identifiers) {
            if (identifier.contains(userInput)) {
                filteredIdentifiers.add(identifier);
            }
        }

        return filteredIdentifiers;
    }
}

Example 10

Source File: JsonRestSourceHandler.java From ingestion with Apache License 2.0

5 votes

private JsonNode findValue(JsonNode jsonNode, String path) {
    JsonNode node = jsonNode;
    if (!DEFAULT_JSON_PATH.equals(path)) {
        node = jsonNode.findValue(path);
    }
    return node;
}

Example 11

Source File: SliTokenExtractor.java From secure-data-service with Apache License 2.0

5 votes

@Override
public Token extract(String response) {
    Preconditions.checkEmptyString(response,
            "Response body is incorrect. Can't extract a token from an empty string");
    JsonNode root;
    try {
        root = mapper.readTree(response);
        JsonNode token = root.findValue("access_token");
        return new Token(token.asText(), "", response);
        
    } catch (Exception e) {
        return null;
    }
}