Example usage for com.google.gson JsonElement isJsonNull

Introduction

In this page you can find the example usage for com.google.gson JsonElement isJsonNull.

Prototype

public boolean isJsonNull() 

Source Link

Document

provides check for verifying if this element represents a null value or not.

Usage

From source file:com.ibm.watson.developer_cloud.util.DateDeserializer.java

License:Open Source License

@Override
public synchronized Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {

    if (json.isJsonNull() || json.getAsString().isEmpty()) {
        return null;
    }/*w w  w . j  a  va  2  s  .co  m*/

    String dateAsString = json.getAsJsonPrimitive().getAsString().replaceAll("Z$", "+0000");
    ParseException e = null;

    for (SimpleDateFormat format : dateFormatters) {
        try {
            return format.parse(dateAsString);
        } catch (ParseException e1) {
            e = e1;
        }
    }

    Pattern isJustNumber = Pattern.compile("^\\d+$");
    Matcher foundMatch = isJustNumber.matcher(dateAsString);
    if (foundMatch.find()) {
        Long timeAsLong = Long.parseLong(dateAsString);
        Long msCheck = 100000000000L;

        // are we ms or seconds maybe?
        if (timeAsLong < msCheck) {
            // assuming in seconds
            timeAsLong = timeAsLong * 1000;
        }
        return new Date(timeAsLong);
    }

    LOG.log(Level.SEVERE, "Error parsing: " + dateAsString, e);
    return null;
}

---

From source file:com.ibm.watson.movieapp.dialog.rest.UtilityFunctions.java

License:Open Source License

/**
 * Returns a property's value from a JSON
 * <p>//from   ww w  .  jav  a  2  s.  c  o  m
 * This returns a property's value from a JSON object.</p>
 * 
 * @param json the JSON object to be searched
 * @param propName the name of the property key
 * @return the value of the property
 */
public static String getPropValue(JsonObject json, String propName) {
    if (json != null && propName != null) {
        if (json.has(propName)) {
            if (json.get(propName) != null) {
                JsonElement element = json.get(propName);
                if (!element.isJsonNull()) {
                    return json.get(propName).getAsString();
                }
            }
        }
    }
    return null;
}

---

From source file:com.iheart.quickio.client.QuickIo.java

License:Open Source License

private void routeCallback(final String evPath, final QuickIoCallback cb, final JsonElement json) {
    if (!json.isJsonObject()) {
        return;// w  ww  .  j  ava  2  s  .  co m
    }

    long cbId = Long.parseLong(evPath.substring(QuickIo.EV_CALLBACK.length()));

    QuickIoCallback evCb = null;
    synchronized (this) {
        evCb = this.cbs.remove(cbId);
    }
    if (evCb == null) {
        return;
    }

    JsonObject obj = json.getAsJsonObject();
    int code = obj.get("code").getAsInt();
    String errMsg = "";
    if (obj.has("err_msg")) {
        JsonElement errObj = obj.get("err_msg");
        errMsg = errObj.isJsonNull() ? null : errObj.getAsString();
    }

    evCb.onCallback(obj.get("data"), cb, code, errMsg);
}

---

From source file:com.inkubator.hrm.service.impl.BioDataServiceImpl.java

@Override
@Transactional(readOnly = false, isolation = Isolation.READ_COMMITTED, propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
public String saveBiodataRevisionWithApproval(Object modifiedEntity, String dataType, EmpData empData)
        throws Exception {

    //Jika Approval Definition untuk proses revisi biodata belum di buat, lempar BussinessException
    if (isApprovalDefinitionNotFound()) {
        throw new BussinessException("biodata.biodata_revision_doesnt_have_approval_def");

    }//from  w  w w.  j  a  v  a  2 s.  co m

    HrmUser requestUser = hrmUserDao.getByEmpDataId(empData.getId());

    //Dapatkan List Pending Approval Activity
    List<ApprovalActivity> listPreviousActivities = approvalActivityDao
            .getPendingRequest(requestUser.getUserId());

    //Filter hanya yang berasal dari proses request revisi biodata
    listPreviousActivities = Lambda.select(listPreviousActivities,
            Lambda.having(Lambda.on(ApprovalActivity.class).getApprovalDefinition().getName(),
                    Matchers.equalTo(HRMConstant.BIO_DATA_EDIT)));

    //Looping satu persatu
    for (ApprovalActivity approvalActivity : listPreviousActivities) {
        String pendingData = approvalActivity.getPendingData();
        Gson gson = JsonUtil.getHibernateEntityGsonBuilder().create();

        // dapatkan nilai dataType (jenis kelompok formulir biodata) dari pending approval activity
        JsonElement jsonElementDataType = gson.fromJson(pendingData, JsonObject.class).get("dataType");
        if (!jsonElementDataType.isJsonNull()) {

            String dataTypeFromJson = jsonElementDataType.getAsString();

            //Jika kelompok formulir dari pending Request sama dengan yang akan di ajukan sekarang, maka lempar BusinessException,
            //karena tidak boleh mengajukan perubahan biodata pada satu jenis kelompok formulir, 
            //jika sebelumnya sudah pernah ada pengajuan revisi pada jenis kelompok formulir tsb dan statusnya masih pending.
            if (StringUtils.equals(dataType, dataTypeFromJson)) {
                throw new BussinessException("biodata.error_revision_same_data_type_which_still_pending_found");
            }

        }

    }

    return this.saveRevision(modifiedEntity, dataType, empData, Boolean.FALSE, null);

}

---

From source file:com.inkubator.hrm.service.impl.BioDataServiceImpl.java

@Override
protected String getDetailSmsContentOfActivity(ApprovalActivity appActivity) {
    StringBuffer detail = new StringBuffer();
    HrmUser requester = hrmUserDao.getByUserId(appActivity.getRequestBy());
    String revisionAt = StringUtils.EMPTY;
    detail.append("Pengajuan Revisi Biodata oleh " + requester.getEmpData().getBioData().getFullName() + ". ");

    String pendingData = appActivity.getPendingData();
    Gson gson = JsonUtil.getHibernateEntityGsonBuilder().create();

    // dapatkan nilai dataType (jenis kelompok formulir biodata) dari pending approval activity
    JsonElement jsonElementDataType = gson.fromJson(pendingData, JsonObject.class).get("dataType");
    if (!jsonElementDataType.isJsonNull()) {

        String dataType = jsonElementDataType.getAsString();

        switch (dataType) {

        case HRMConstant.BIO_REV_DETAIL_BIO_DATA:
            revisionAt = "Data Detail Biodata";
            break;

        case HRMConstant.BIO_REV_ADDRESS:
            revisionAt = "Data Alamat";
            break;

        case HRMConstant.BIO_REV_CONTACT:
            revisionAt = "Data Kontak";
            break;

        case HRMConstant.BIO_REV_ID_CARD:
            revisionAt = "Data Kartu Identitas";
            break;

        case HRMConstant.BIO_REV_FAMILY:
            revisionAt = "Data Keluarga";
            break;

        case HRMConstant.BIO_REV_COMPANY_RELATION:
            revisionAt = "Data Relasi Perusahaan";
            break;

        case HRMConstant.BIO_REV_EDUCATION:
            revisionAt = "Data Pendidikan";
            break;

        case HRMConstant.BIO_REV_SKILL:
            revisionAt = "Data Keahlian";
            break;

        case HRMConstant.BIO_REV_SPESIFICATION_ABILITY:
            revisionAt = "Data Spesifikasi Kemampuan";
            break;

        case HRMConstant.BIO_REV_INTEREST:
            revisionAt = "Data Minat";
            break;

        default://from  w w  w .  j  ava  2  s. c om
            break;
        }

    }

    detail.append("Jenis kelompok Biodata : " + revisionAt + ". ");
    return detail.toString();
}

---

From source file:com.inkubator.hrm.web.reimbursement.RmbsApplicationApprovalFormController.java

@PostConstruct
@Override//  w ww  .j ava 2  s  . co m
public void initialization() {
    try {
        super.initialization();

        /** initial data for approval activity tracking */
        String id = FacesUtil.getRequestParameter("execution");
        currentActivity = approvalActivityService.getEntiyByPK(Long.parseLong(id.substring(1)));
        askingRevisedActivity = approvalActivityService.getEntityByActivityNumberAndSequence(
                currentActivity.getActivityNumber(), currentActivity.getSequence() - 1);
        isWaitingApproval = currentActivity.getApprovalStatus() == HRMConstant.APPROVAL_STATUS_WAITING_APPROVAL;
        isWaitingRevised = currentActivity.getApprovalStatus() == HRMConstant.APPROVAL_STATUS_WAITING_REVISED;
        isApprover = StringUtils.equals(UserInfoUtil.getUserName(), currentActivity.getApprovedBy());
        isRequester = StringUtils.equals(UserInfoUtil.getUserName(), currentActivity.getRequestBy());

        /** start binding data that needed (from json) to object */
        Gson gson = JsonUtil.getHibernateEntityGsonBuilder().create();
        rmbsApplication = gson.fromJson(currentActivity.getPendingData(), RmbsApplication.class);

        //relational object
        EmpData empData = empDataService.getByEmpIdWithDetail(rmbsApplication.getEmpData().getId());
        rmbsApplication.setEmpData(empData);
        RmbsType rmbsType = rmbsTypeService.getEntiyByPK(rmbsApplication.getRmbsType().getId());
        rmbsApplication.setRmbsType(rmbsType);
        Currency currency = currencyService.getEntiyByPK(rmbsApplication.getCurrency().getId());
        rmbsApplication.setCurrency(currency);

        //additional information
        RmbsSchemaListOfEmp rmbsSchemaListOfEmp = rmbsSchemaListOfEmpService
                .getEntityByEmpDataId(empData.getId());
        rmbsSchema = rmbsSchemaListOfEmp.getRmbsSchema();
        rmbsSchemaListOfType = rmbsSchemaListOfTypeService
                .getEntityByPk(new RmbsSchemaListOfTypeId(rmbsType.getId(), rmbsSchema.getId()));
        totalRequestThisMoth = rmbsApplicationService.getTotalNominalForOneMonth(
                rmbsApplication.getApplicationDate(), empData.getId(), rmbsType.getId());

        //attachment file
        JsonObject jsonObject = gson.fromJson(currentActivity.getPendingData(), JsonObject.class);
        JsonElement elReimbursementFileName = jsonObject.get("reimbursementFileName");
        isHaveAttachment = !elReimbursementFileName.isJsonNull();

    } catch (Exception ex) {
        LOGGER.error("Error", ex);
    }
}

---

From source file:com.jayway.jsonpath.internal.spi.json.GsonJsonProvider.java

License:Apache License

public static Object unwrap(Object o) {

    if (o == null) {
        return null;
    }/*from   w w  w .  j  a  v  a2  s .  c om*/
    if (!(o instanceof JsonElement)) {
        return o;
    }

    JsonElement e = (JsonElement) o;

    if (e.isJsonNull()) {
        return null;
    } else if (e.isJsonPrimitive()) {

        JsonPrimitive p = e.getAsJsonPrimitive();
        if (p.isString()) {
            return p.getAsString();
        } else if (p.isBoolean()) {
            return p.getAsBoolean();
        } else if (p.isNumber()) {
            return unwrapNumber(p.getAsNumber());
        }
    }
    return o;
}

---

From source file:com.jayway.jsonpath.internal.spi.mapper.GsonMapper.java

License:Apache License

@Override
public Object convert(Object src, Class<?> srcType, Class<?> targetType, Configuration conf) {

    assertValidConversion(src, srcType, targetType);

    if (src == null || src.getClass().equals(JsonNull.class)) {
        return null;
    }/* w w  w .j  a  v  a 2s .  c om*/

    if (JsonPrimitive.class.isAssignableFrom(srcType)) {

        JsonPrimitive primitive = (JsonPrimitive) src;
        if (targetType.equals(Long.class)) {
            return primitive.getAsLong();
        } else if (targetType.equals(Integer.class)) {
            return primitive.getAsInt();
        } else if (targetType.equals(BigInteger.class)) {
            return primitive.getAsBigInteger();
        } else if (targetType.equals(Byte.class)) {
            return primitive.getAsByte();
        } else if (targetType.equals(BigDecimal.class)) {
            return primitive.getAsBigDecimal();
        } else if (targetType.equals(Double.class)) {
            return primitive.getAsDouble();
        } else if (targetType.equals(Float.class)) {
            return primitive.getAsFloat();
        } else if (targetType.equals(String.class)) {
            return primitive.getAsString();
        } else if (targetType.equals(Boolean.class)) {
            return primitive.getAsBoolean();
        } else if (targetType.equals(Date.class)) {

            if (primitive.isNumber()) {
                return new Date(primitive.getAsLong());
            } else if (primitive.isString()) {
                try {
                    return DateFormat.getInstance().parse(primitive.getAsString());
                } catch (ParseException e) {
                    throw new MappingException(e);
                }
            }
        }

    } else if (JsonObject.class.isAssignableFrom(srcType)) {
        JsonObject srcObject = (JsonObject) src;
        if (targetType.equals(Map.class)) {
            Map<String, Object> targetMap = new LinkedHashMap<String, Object>();
            for (Map.Entry<String, JsonElement> entry : srcObject.entrySet()) {
                Object val = null;
                JsonElement element = entry.getValue();
                if (element.isJsonPrimitive()) {
                    val = GsonJsonProvider.unwrap(element);
                } else if (element.isJsonArray()) {
                    val = convert(element, element.getClass(), List.class, conf);
                } else if (element.isJsonObject()) {
                    val = convert(element, element.getClass(), Map.class, conf);
                } else if (element.isJsonNull()) {
                    val = null;
                }
                targetMap.put(entry.getKey(), val);
            }
            return targetMap;
        }

    } else if (JsonArray.class.isAssignableFrom(srcType)) {
        JsonArray srcArray = (JsonArray) src;
        if (targetType.equals(List.class)) {
            List<Object> targetList = new ArrayList<Object>();
            for (JsonElement element : srcArray) {
                if (element.isJsonPrimitive()) {
                    targetList.add(GsonJsonProvider.unwrap(element));
                } else if (element.isJsonArray()) {
                    targetList.add(convert(element, element.getClass(), List.class, conf));
                } else if (element.isJsonObject()) {
                    targetList.add(convert(element, element.getClass(), Map.class, conf));
                } else if (element.isJsonNull()) {
                    targetList.add(null);
                }
            }
            return targetList;
        }
    }

    throw new MappingException("Can not map: " + srcType.getName() + " to: " + targetType.getName());
}

---

From source file:com.jayway.jsonpath.spi.json.GsonJsonProvider.java

License:Apache License

public Object unwrap(final Object o) {

    if (o == null) {
        return null;
    }/*  ww w. ja  va2s .c om*/

    if (!(o instanceof JsonElement)) {
        return o;
    }

    JsonElement e = (JsonElement) o;

    if (e.isJsonNull()) {
        return null;
    } else if (e.isJsonPrimitive()) {

        JsonPrimitive p = e.getAsJsonPrimitive();
        if (p.isString()) {
            return p.getAsString();
        } else if (p.isBoolean()) {
            return p.getAsBoolean();
        } else if (p.isNumber()) {
            return unwrapNumber(p.getAsNumber());
        }
    }

    return o;
}

---

From source file:com.kodokux.github.api.GithubApiUtil.java

License:Apache License

@NotNull
private static ResponsePage request(@NotNull GithubAuthData auth, @NotNull String path,
        @Nullable String requestBody, @NotNull Collection<Header> headers, @NotNull HttpVerb verb)
        throws IOException {
    HttpMethod method = null;/*from  w  w  w .  j  av  a  2  s.c  om*/
    try {
        String uri = GithubUrlUtil.getApiUrl(auth.getHost()) + path;
        method = doREST(auth, uri, requestBody, headers, verb);

        checkStatusCode(method);

        InputStream resp = method.getResponseBodyAsStream();
        if (resp == null) {
            return new ResponsePage();
        }

        JsonElement ret = parseResponse(resp);
        if (ret.isJsonNull()) {
            return new ResponsePage();
        }

        Header header = method.getResponseHeader("Link");
        if (header != null) {
            String value = header.getValue();
            int end = value.indexOf(">; rel=\"next\"");
            int begin = value.lastIndexOf('<', end);
            if (begin >= 0 && end >= 0) {
                String newPath = GithubUrlUtil.removeProtocolPrefix(value.substring(begin + 1, end));
                int index = newPath.indexOf('/');

                return new ResponsePage(ret, newPath.substring(index));
            }
        }

        return new ResponsePage(ret);
    } finally {
        if (method != null) {
            method.releaseConnection();
        }
    }
}

---

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