Example usage for com.fasterxml.jackson.databind ObjectMapper readTree

List of usage examples for com.fasterxml.jackson.databind ObjectMapper readTree

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Introduction

In this page you can find the example usage for com.fasterxml.jackson.databind ObjectMapper readTree.

Prototype

public JsonNode readTree(URL source) throws IOException, JsonProcessingException

Source Link

Document

Method to deserialize JSON content as tree expressed using set of JsonNode instances.

Usage

From source file:org.jasig.cas.support.oauth.web.OAuth20MetadataPrincipalControllerTests.java

@Test
public void verifyEmptyPrincipalListOK() throws Exception {
    final AccessToken accessToken = mock(AccessToken.class);
    when(accessToken.getId()).thenReturn(AT_ID);

    final List<PrincipalMetadata> principalMetas = Arrays.asList();

    final CentralOAuthService centralOAuthService = mock(CentralOAuthService.class);
    when(centralOAuthService.getToken(AT_ID, AccessToken.class)).thenReturn(accessToken);
    when(centralOAuthService.getPrincipalMetadata(accessToken)).thenReturn(principalMetas);

    final MockHttpServletRequest mockRequest = new MockHttpServletRequest("POST",
            CONTEXT + OAuthConstants.METADATA_URL);
    mockRequest.setParameter(OAuthConstants.ACCESS_TOKEN, AT_ID);
    final MockHttpServletResponse mockResponse = new MockHttpServletResponse();

    final OAuth20WrapperController oauth20WrapperController = new OAuth20WrapperController();
    oauth20WrapperController.setCentralOAuthService(centralOAuthService);
    oauth20WrapperController.afterPropertiesSet();

    final ModelAndView modelAndView = oauth20WrapperController.handleRequest(mockRequest, mockResponse);
    assertNull(modelAndView);/* w w  w  .  j  a v  a  2s  .com*/
    assertEquals(HttpStatus.SC_OK, mockResponse.getStatus());
    assertEquals(CONTENT_TYPE, mockResponse.getContentType());

    final ObjectMapper mapper = new ObjectMapper();

    final String expected = "{\"data\":[]}";
    final JsonNode expectedObj = mapper.readTree(expected);
    final JsonNode receivedObj = mapper.readTree(mockResponse.getContentAsString());

    final JsonNode expectedData = expectedObj.get("data");
    final JsonNode receivedData = receivedObj.get("data");
    assertEquals(expectedData.size(), receivedData.size());
    assertEquals(0, receivedData.size());
}

From source file:org.openmhealth.shim.fatsecret.FatsecretShim.java

@Override
public ShimDataResponse getData(ShimDataRequest shimDataRequest) throws ShimException {

    long numToSkip = 0;
    long numToReturn = 3;

    Calendar cal = Calendar.getInstance();
    cal.set(2014, Calendar.AUGUST, 1);
    Date endDate = new Date(cal.getTimeInMillis());
    cal.add(Calendar.DATE, -1);/*ww  w  .j  av  a  2s.  c o  m*/
    Date startDate = new Date(cal.getTimeInMillis());

    DateTime startTime = new DateTime(startDate.getTime());
    DateTime endTime = new DateTime(endDate.getTime());

    MutableDateTime epoch = new MutableDateTime();
    epoch.setDate(0);

    int days = 16283; //Days.daysBetween(epoch, new DateTime()).getDays() - 1;

    String endPoint = "food_entries.get";

    String accessToken = shimDataRequest.getAccessParameters().getAccessToken();
    String tokenSecret = shimDataRequest.getAccessParameters().getTokenSecret();

    URL url = signUrl(DATA_URL + "?date=" + days + "&format=json&method=" + endPoint, accessToken, tokenSecret,
            null);
    System.out.println("Signed URL is: \n\n" + url);

    // Fetch and decode the JSON data.
    ObjectMapper objectMapper = new ObjectMapper();
    JsonNode jsonData;

    HttpGet get = new HttpGet(url.toString());
    HttpResponse response;
    try {
        response = httpClient.execute(get);
        HttpEntity responseEntity = response.getEntity();
        jsonData = objectMapper.readTree(responseEntity.getContent());
        return ShimDataResponse.result(FatsecretShim.SHIM_KEY, jsonData);

    } catch (IOException e) {
        throw new ShimException("Could not fetch data", e);
    } finally {
        get.releaseConnection();
    }
}

From source file:com.msopentech.odatajclient.testservice.utils.JSONUtilities.java

public InputStream addJsonInlinecount(final InputStream src, final int count, final Accept accept)
        throws Exception {
    final ObjectMapper mapper = new ObjectMapper();
    final JsonNode srcNode = mapper.readTree(src);

    ((ObjectNode) srcNode).put(ODATA_COUNT_NAME, count);

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    mapper.writeValue(bos, srcNode);//from  w  w  w . j a v  a  2s .  co  m

    final InputStream res = new ByteArrayInputStream(bos.toByteArray());
    IOUtils.closeQuietly(bos);

    return res;
}

From source file:com.bna.ezrxlookup.service.OpenFdaService.java

/**
 * Retrieve set of <code>DrugLabel</code> from JSON response
 * @param response/*from   w ww  . j  a va2s  .co m*/
 * @return TreeSet with DrugLabel objects
 */
public Set<DrugLabel> getDrugLabelResults(String jsonResponse) throws Exception {
    Set<DrugLabel> labelList = new TreeSet<DrugLabel>();

    if (StringUtils.isEmpty(jsonResponse))
        return labelList;

    try {
        ObjectMapper objectMapper = new ObjectMapper();
        JsonNode rootNode = objectMapper.readTree(jsonResponse);
        JsonNode resultsNodes = rootNode.path(RESULTS_TAG);
        LOG.debug("Results size : " + resultsNodes.size());

        Iterator<JsonNode> elements = resultsNodes.elements();

        while (elements.hasNext()) {
            JsonNode aResultsNode = elements.next(); // results node
            JsonNode openFdaNode = aResultsNode.get(OPENFDA_TAG);

            DrugLabel label = new DrugLabel();
            label.setId(aResultsNode.path(ID_TAG).asText());
            label.setVersion(aResultsNode.path(VERSION_TAG).asText());
            label.setBrandName(openFdaNode.get(BRAND_NAME_TAG).elements().next().asText());
            label.setManufactureName(openFdaNode.get(MFR_NAME_TAG).elements().next().asText());

            labelList.add(label);
        }
    } catch (IOException e) {
        LOG.error(e);
        throw e;
    }

    LOG.debug(labelList);
    return labelList;
}

From source file:com.msopentech.odatajclient.testservice.utils.JSONUtilities.java

@Override
protected Map<String, InputStream> getChanges(final InputStream src) throws Exception {
    final Map<String, InputStream> res = new HashMap<String, InputStream>();

    final ObjectMapper mapper = new ObjectMapper();
    final JsonNode srcObject = mapper.readTree(src);

    final Iterator<Map.Entry<String, JsonNode>> fields = srcObject.fields();
    while (fields.hasNext()) {
        final Map.Entry<String, JsonNode> field = fields.next();
        res.put(field.getKey(), IOUtils.toInputStream(field.getValue().toString()));
    }/*from   www  .jav a 2s .c o m*/

    return res;
}

From source file:net.floodlightcontroller.configuration.ConfigurationManager.java

/**
 * Reads a configuration file and calls the corresponding configuration 
 * listeners./*from   ww w.  j  a  v a 2  s. c  o  m*/
 * 
 * @param file An optional configuration file name.
 */
private void readJsonFromFile(String fileName) {
    String configFile = (fileName != null) ? fileName : this.fileName;
    ObjectMapper mapper = new ObjectMapper();
    JsonFactory f = new JsonFactory();
    JsonParser jp = null;

    try {
        jp = f.createJsonParser(new File(configFile));
        JsonNode root = mapper.readTree(jp);
        // Check if the file is empty.
        if (root == null)
            return;
        Iterator<Entry<String, JsonNode>> iter = root.fields();
        // For every configuration sub-node.
        while (iter.hasNext()) {
            Entry<String, JsonNode> entry = iter.next();
            String fieldName = entry.getKey();
            JsonNode child = entry.getValue();
            if (configurationListener.containsKey(fieldName)) {
                configurationListener.get(fieldName).putJsonConfig(child);
            } else {
                if (logger.isWarnEnabled()) {
                    logger.warn("No configuration listener found for " + fieldName);
                }
            }
        }
    } catch (FileNotFoundException e) {
        if (logger.isWarnEnabled()) {
            logger.warn("Configuration file {} not found.", configFile);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.baasbox.controllers.actions.filters.WrapResponse.java

private ObjectNode prepareOK(int statusCode, RequestHeader request, String stringBody) throws IOException {
    ObjectMapper mapper = new ObjectMapper();
    ObjectNode result = Json.newObject();
    setCallIdOnResult(request, result);/*from  ww w  . ja  v  a2s . com*/
    result.put("result", "ok");
    try {
        result.put("data", mapper.readTree(stringBody));
    } catch (JsonProcessingException e) {
        result.put("data", stringBody);
    } catch (IOException e) {
        if (stringBody.isEmpty())
            result.put("data", "");
        else
            throw new IOException("Error parsing stringBody: " + stringBody, e);
    }
    return result;
}

From source file:com.vaushell.superpipes.tools.scribe.linkedin.LinkedInClient.java

/**
 * Read a LinkedIn status./*from w  ww. j a va2 s.c o m*/
 *
 * @param ID Status's ID
 * @return the Status
 * @throws IOException
 * @throws LinkedInException
 */
public LNK_Status readStatus(final String ID) throws IOException, LinkedInException {
    if (ID == null || ID.isEmpty()) {
        throw new IllegalArgumentException();
    }

    if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("[" + getClass().getSimpleName() + "] readStatus() : ID=" + ID);
    }

    final OAuthRequest request = new OAuthRequest(Verb.GET,
            "http://api.linkedin.com/v1/people/~/network/updates/key=UNIU-" + ID
                    + "-SHARE?type=SHAR&format=json");

    final Response response = sendSignedRequest(request);

    final ObjectMapper mapper = new ObjectMapper();
    final JsonNode node = (JsonNode) mapper.readTree(response.getStream());

    checkErrors(response, node);

    return convertJsonToStatus(node);
}

From source file:com.msopentech.odatajclient.testservice.utils.JSONUtilities.java

public InputStream wrapJsonEntities(final InputStream entities) throws Exception {
    final ObjectMapper mapper = new ObjectMapper();
    final JsonNode node = mapper.readTree(entities);

    final ObjectNode res;

    final JsonNode value = node.get(JSON_VALUE_NAME);

    if (value.isArray()) {
        res = mapper.createObjectNode();
        res.set("value", value);
        final JsonNode next = node.get(JSON_NEXTLINK_NAME);
        if (next != null) {
            res.set(JSON_NEXTLINK_NAME, next);
        }/* w w  w  .j  a  v a2  s.com*/
    } else {
        res = (ObjectNode) value;
    }

    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    mapper.writeValue(bos, res);

    final InputStream is = new ByteArrayInputStream(bos.toByteArray());
    IOUtils.closeQuietly(bos);

    return is;
}