Example usage for com.google.gson JsonObject has

List of usage examples for com.google.gson JsonObject has

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Introduction

In this page you can find the example usage for com.google.gson JsonObject has.

Prototype

public boolean has(String memberName)

Source Link

Document

Convenience method to check if a member with the specified name is present in this object.

Usage

From source file:com.gsaul.AethonSimulator.RuntimeTypeAdapterFactory.java

License:Apache License

public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) {
    if (type.getRawType() != baseType) {
        return null;
    }//from   ww  w  . j a v  a2 s .c  o  m

    final Map<String, TypeAdapter<?>> labelToDelegate = new LinkedHashMap<String, TypeAdapter<?>>();
    final Map<Class<?>, TypeAdapter<?>> subtypeToDelegate = new LinkedHashMap<Class<?>, TypeAdapter<?>>();
    for (Map.Entry<String, Class<?>> entry : labelToSubtype.entrySet()) {
        TypeAdapter<?> delegate = gson.getDelegateAdapter(this, TypeToken.get(entry.getValue()));
        labelToDelegate.put(entry.getKey(), delegate);
        subtypeToDelegate.put(entry.getValue(), delegate);
    }

    return new TypeAdapter<R>() {
        @Override
        public R read(JsonReader in) throws IOException {
            JsonElement jsonElement = Streams.parse(in);
            JsonElement labelJsonElement = jsonElement.getAsJsonObject().get(typeFieldName); //used to be .remove(typeFieldName);
            if (labelJsonElement == null) {
                throw new JsonParseException("cannot deserialize " + baseType
                        + " because it does not define a field named " + typeFieldName);
            }
            String label = labelJsonElement.getAsString();
            @SuppressWarnings("unchecked") // registration requires that subtype extends T
            TypeAdapter<R> delegate = (TypeAdapter<R>) labelToDelegate.get(label);
            if (delegate == null) {
                throw new JsonParseException("cannot deserialize " + baseType + " subtype named " + label
                        + "; did you forget to register a subtype?");
            }
            return delegate.fromJsonTree(jsonElement);
        }

        @Override
        public void write(JsonWriter out, R value) throws IOException {
            Class<?> srcType = value.getClass();
            String label = subtypeToLabel.get(srcType);
            @SuppressWarnings("unchecked") // registration requires that subtype extends T
            TypeAdapter<R> delegate = (TypeAdapter<R>) subtypeToDelegate.get(srcType);
            if (delegate == null) {
                throw new JsonParseException(
                        "cannot serialize " + srcType.getName() + "; did you forget to register a subtype?");
            }
            JsonObject jsonObject = delegate.toJsonTree(value).getAsJsonObject();
            if (jsonObject.has(typeFieldName)) {
                throw new JsonParseException("cannot serialize " + srcType.getName()
                        + " because it already defines a field named " + typeFieldName);
            }
            JsonObject clone = new JsonObject();
            clone.add(typeFieldName, new JsonPrimitive(label));
            for (Map.Entry<String, JsonElement> e : jsonObject.entrySet()) {
                clone.add(e.getKey(), e.getValue());
            }
            Streams.write(clone, out);
        }
    }.nullSafe();
}

From source file:com.gst.accounting.journalentry.serialization.JournalEntryCommandFromApiJsonDeserializer.java

License:Apache License

@Override
public JournalEntryCommand commandFromApiJson(final String json) {
    if (StringUtils.isBlank(json)) {
        throw new InvalidJsonException();
    }//from w  w w. ja  v a  2 s.c om

    final Type typeOfMap = new TypeToken<Map<String, Object>>() {
    }.getType();
    final Set<String> supportedParameters = JournalEntryJsonInputParams.getAllValues();
    this.fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json, supportedParameters);

    final JsonElement element = this.fromApiJsonHelper.parse(json);

    final Long officeId = this.fromApiJsonHelper
            .extractLongNamed(JournalEntryJsonInputParams.OFFICE_ID.getValue(), element);
    final String currencyCode = this.fromApiJsonHelper
            .extractStringNamed(JournalEntryJsonInputParams.CURRENCY_CODE.getValue(), element);
    final String comments = this.fromApiJsonHelper
            .extractStringNamed(JournalEntryJsonInputParams.COMMENTS.getValue(), element);
    final LocalDate transactionDate = this.fromApiJsonHelper
            .extractLocalDateNamed(JournalEntryJsonInputParams.TRANSACTION_DATE.getValue(), element);
    final String referenceNumber = this.fromApiJsonHelper
            .extractStringNamed(JournalEntryJsonInputParams.REFERENCE_NUMBER.getValue(), element);
    final Long accountingRuleId = this.fromApiJsonHelper
            .extractLongNamed(JournalEntryJsonInputParams.ACCOUNTING_RULE.getValue(), element);
    final JsonObject topLevelJsonElement = element.getAsJsonObject();
    final Locale locale = this.fromApiJsonHelper.extractLocaleParameter(topLevelJsonElement);

    final BigDecimal amount = this.fromApiJsonHelper
            .extractBigDecimalNamed(JournalEntryJsonInputParams.AMOUNT.getValue(), element, locale);
    final Long paymentTypeId = this.fromApiJsonHelper
            .extractLongNamed(JournalEntryJsonInputParams.PAYMENT_TYPE_ID.getValue(), element);
    final String accountNumber = this.fromApiJsonHelper
            .extractStringNamed(JournalEntryJsonInputParams.ACCOUNT_NUMBER.getValue(), element);
    final String checkNumber = this.fromApiJsonHelper
            .extractStringNamed(JournalEntryJsonInputParams.CHECK_NUMBER.getValue(), element);
    final String receiptNumber = this.fromApiJsonHelper
            .extractStringNamed(JournalEntryJsonInputParams.RECEIPT_NUMBER.getValue(), element);
    final String bankNumber = this.fromApiJsonHelper
            .extractStringNamed(JournalEntryJsonInputParams.BANK_NUMBER.getValue(), element);
    final String routingCode = this.fromApiJsonHelper
            .extractStringNamed(JournalEntryJsonInputParams.ROUTING_CODE.getValue(), element);

    SingleDebitOrCreditEntryCommand[] credits = null;
    SingleDebitOrCreditEntryCommand[] debits = null;
    if (element.isJsonObject()) {
        if (topLevelJsonElement.has(JournalEntryJsonInputParams.CREDITS.getValue())
                && topLevelJsonElement.get(JournalEntryJsonInputParams.CREDITS.getValue()).isJsonArray()) {
            credits = populateCreditsOrDebitsArray(topLevelJsonElement, locale, credits,
                    JournalEntryJsonInputParams.CREDITS.getValue());
        }
        if (topLevelJsonElement.has(JournalEntryJsonInputParams.DEBITS.getValue())
                && topLevelJsonElement.get(JournalEntryJsonInputParams.DEBITS.getValue()).isJsonArray()) {
            debits = populateCreditsOrDebitsArray(topLevelJsonElement, locale, debits,
                    JournalEntryJsonInputParams.DEBITS.getValue());
        }
    }
    return new JournalEntryCommand(officeId, currencyCode, transactionDate, comments, credits, debits,
            referenceNumber, accountingRuleId, amount, paymentTypeId, accountNumber, checkNumber, receiptNumber,
            bankNumber, routingCode);
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public Boolean extractBooleanNamed(final String parameterName, final JsonElement element,
        final Set<String> requestParamatersDetected) {
    Boolean value = null;/*from www.j a  va2  s .c o m*/
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();
        if (object.has(parameterName) && object.get(parameterName).isJsonPrimitive()) {
            requestParamatersDetected.add(parameterName);

            final JsonPrimitive primitive = object.get(parameterName).getAsJsonPrimitive();
            value = primitive.getAsBoolean();
        }
    }
    return value;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public Long extractLongNamed(final String parameterName, final JsonElement element,
        final Set<String> parametersPassedInRequest) {
    Long longValue = null;/* w w w.  ja  v a 2s . co m*/
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();
        if (object.has(parameterName) && object.get(parameterName).isJsonPrimitive()) {
            parametersPassedInRequest.add(parameterName);
            final JsonPrimitive primitive = object.get(parameterName).getAsJsonPrimitive();
            final String stringValue = primitive.getAsString();
            if (StringUtils.isNotBlank(stringValue)) {
                longValue = Long.valueOf(stringValue);
            }
        }
    }
    return longValue;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public String extractStringNamed(final String parameterName, final JsonElement element,
        final Set<String> parametersPassedInRequest) {
    String stringValue = null;//w ww.  ja va2 s .com
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();
        if (object.has(parameterName) && object.get(parameterName).isJsonPrimitive()) {
            parametersPassedInRequest.add(parameterName);
            final JsonPrimitive primitive = object.get(parameterName).getAsJsonPrimitive();
            final String valueAsString = primitive.getAsString();
            if (StringUtils.isNotBlank(valueAsString)) {
                stringValue = valueAsString;
            }
        }
    }
    return stringValue;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public BigDecimal extractBigDecimalNamed(final String parameterName, final JsonObject element,
        final Locale locale, final Set<String> modifiedParameters) {
    BigDecimal value = null;//  w  ww  . j a  va2s . c o m
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();
        if (object.has(parameterName) && object.get(parameterName).isJsonPrimitive()) {
            modifiedParameters.add(parameterName);
            final JsonPrimitive primitive = object.get(parameterName).getAsJsonPrimitive();
            final String valueAsString = primitive.getAsString();
            if (StringUtils.isNotBlank(valueAsString)) {
                value = convertFrom(valueAsString, parameterName, locale);
            }
        }
    }
    return value;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public Integer extractIntegerNamed(final String parameterName, final JsonElement element, final Locale locale,
        final Set<String> modifiedParameters) {
    Integer value = null;//from  w w w .  j a  va 2  s .c om
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();
        if (object.has(parameterName) && object.get(parameterName).isJsonPrimitive()) {
            modifiedParameters.add(parameterName);
            final JsonPrimitive primitive = object.get(parameterName).getAsJsonPrimitive();
            final String valueAsString = primitive.getAsString();
            if (StringUtils.isNotBlank(valueAsString)) {
                value = convertToInteger(valueAsString, parameterName, locale);
            }
        }
    }
    return value;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

/**
 * Method used to extract integers from unformatted strings. Ex: "1" ,
 * "100002" etc/*  w  ww  .  j av a  2 s  .c om*/
 *
 * Please note that this method does not support extracting Integers from
 * locale specific formatted strings Ex "1,000" etc
 *
 * @param parameterName
 * @param element
 * @param parametersPassedInRequest
 * @return
 */
public Integer extractIntegerSansLocaleNamed(final String parameterName, final JsonElement element,
        final Set<String> parametersPassedInRequest) {
    Integer intValue = null;
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();
        if (object.has(parameterName) && object.get(parameterName).isJsonPrimitive()) {
            parametersPassedInRequest.add(parameterName);
            final JsonPrimitive primitive = object.get(parameterName).getAsJsonPrimitive();
            final String stringValue = primitive.getAsString();
            if (StringUtils.isNotBlank(stringValue)) {
                intValue = convertToIntegerSanLocale(stringValue, parameterName);
            }
        }
    }
    return intValue;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public String extractDateFormatParameter(final JsonObject element) {
    String value = null;// w w  w  .jav  a2s. co  m
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();

        final String dateFormatParameter = "dateFormat";
        if (object.has(dateFormatParameter) && object.get(dateFormatParameter).isJsonPrimitive()) {
            final JsonPrimitive primitive = object.get(dateFormatParameter).getAsJsonPrimitive();
            value = primitive.getAsString();
        }
    }
    return value;
}

From source file:com.gst.infrastructure.core.serialization.JsonParserHelper.java

License:Apache License

public String extractTimeFormatParameter(final JsonObject element) {
    String value = null;/*from   w ww  . jav a  2  s.  c o m*/
    if (element.isJsonObject()) {
        final JsonObject object = element.getAsJsonObject();

        final String timeFormatParameter = "timeFormat";
        if (object.has(timeFormatParameter) && object.get(timeFormatParameter).isJsonPrimitive()) {
            final JsonPrimitive primitive = object.get(timeFormatParameter).getAsJsonPrimitive();
            value = primitive.getAsString();
        }
    }
    return value;
}