Example usage for com.google.gson JsonElement isJsonArray

List of usage examples for com.google.gson JsonElement isJsonArray

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Introduction

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

Prototype

public boolean isJsonArray()

Source Link

Document

provides check for verifying if this element is an array or not.

Usage

From source file:io.openvidu.client.internal.JsonRoomUtils.java

License:Apache License

public static JsonArray getResponseArray(JsonElement result) {
    if (!result.isJsonArray()) {
        throw new OpenViduException(Code.TRANSPORT_RESPONSE_ERROR_CODE,
                "Invalid response format. The response '" + result + "' should be a Json array");
    }/*from w  w w.j a va2 s . co  m*/
    return result.getAsJsonArray();
}

From source file:io.openvidu.client.internal.JsonRoomUtils.java

License:Apache License

@SuppressWarnings("unchecked")
private static <T> T getConverted(JsonElement paramValue, String property, Class<T> type, boolean allowNull) {
    if (paramValue == null) {
        if (allowNull) {
            return null;
        } else {/*ww  w .jav a  2s . c  om*/
            throw new OpenViduException(Code.TRANSPORT_ERROR_CODE,
                    "Invalid method lacking parameter '" + property + "'");
        }
    }

    if (type == String.class) {
        if (paramValue.isJsonPrimitive()) {
            return (T) paramValue.getAsString();
        }
    }

    if (type == Integer.class) {
        if (paramValue.isJsonPrimitive()) {
            return (T) Integer.valueOf(paramValue.getAsInt());
        }
    }

    if (type == JsonArray.class) {
        if (paramValue.isJsonArray()) {
            return (T) paramValue.getAsJsonArray();
        }
    }

    throw new OpenViduException(Code.TRANSPORT_ERROR_CODE,
            "Param '" + property + "' with value '" + paramValue + "' is not a " + type.getName());
}

From source file:io.robusta.rra.representation.implementation.GsonRepresentation.java

License:Apache License

/**
 * throw an exception if the jsonElement is not an array
 * /*w w w . j  a va2s.co m*/
 * @param elt
 * @throws RepresentationException
 */
protected void throwIfNotArray(JsonElement elt) throws RepresentationException {
    if (!elt.isJsonArray()) {
        throw new RepresentationException("The current element is not a JSON array but a " + this.getTypeof()
                + " and it can't add an object the correct way");
    }
}

From source file:io.soliton.protobuf.json.JsonRpcRequest.java

License:Apache License

public static JsonRpcRequest fromJson(JsonElement root) throws JsonRpcError {
    if (!root.isJsonObject()) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "Received payload is not a JSON Object");
    }/*from   w w  w. ja v a  2  s  .  c  o m*/

    JsonObject request = root.getAsJsonObject();
    JsonElement id = request.get(JsonRpcProtocol.ID);
    JsonElement methodNameElement = request.get(JsonRpcProtocol.METHOD);
    JsonElement paramsElement = request.get(JsonRpcProtocol.PARAMETERS);

    if (id == null) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "Malformed request, missing 'id' property");
    }

    if (methodNameElement == null) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "Malformed request, missing 'method' property");
    }

    if (paramsElement == null) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "Malformed request, missing 'params' property");
    }

    if (!methodNameElement.isJsonPrimitive()) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "Method name is not a JSON primitive");
    }

    JsonPrimitive methodName = methodNameElement.getAsJsonPrimitive();
    if (!methodName.isString()) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "Method name is not a string");
    }

    if (!paramsElement.isJsonArray()) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "'params' property is not an array");
    }

    JsonArray params = paramsElement.getAsJsonArray();
    if (params.size() != 1) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "'params' property is not an array");
    }

    JsonElement paramElement = params.get(0);
    if (!paramElement.isJsonObject()) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "Parameter is not an object");
    }

    JsonObject parameter = paramElement.getAsJsonObject();
    List<String> serviceAndMethod = Lists.newArrayList(DOT_SPLITTER.split(methodName.getAsString()));

    String methodNameString = methodName.getAsString();
    int dotIndex = methodNameString.lastIndexOf('.');

    if (dotIndex < 0) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "'method' property is not properly formatted");
    }

    if (dotIndex == methodNameString.length() - 1) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "'method' property is not properly formatted");
    }

    String service = methodNameString.substring(0, dotIndex);
    String method = methodNameString.substring(dotIndex + 1);

    if (service.isEmpty() || method.isEmpty()) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "'method' property is not properly formatted");
    }

    if (serviceAndMethod.size() < 2) {
        throw new JsonRpcError(HttpResponseStatus.BAD_REQUEST, "'method' property is not properly formatted");
    }

    return new JsonRpcRequest(service, method, id, parameter);
}

From source file:io.thekraken.json2hive.HiveUtils.java

License:Apache License

public static String struct(String value, int nasted) {

    if (value == null)
        return " ";
    if (value.isEmpty())
        return " ";
    if (nasted < 0)
        nasted = 0;/*  w  w  w  .  j av  a2  s . c o m*/
    JsonParser parser = new JsonParser();
    JsonElement jsonElement = parser.parse(value);
    JsonObject jsonObject = jsonElement.getAsJsonObject();
    String struct = "";
    COMMA = 0;
    for (Entry<String, JsonElement> entry : jsonObject.entrySet()) {
        String key = entry.getKey();
        JsonElement val = entry.getValue();
        // 3 Possibilities
        // 1. structures
        // 2. array
        // 3. primitive

        if (val.isJsonObject() && nasted >= 1) {
            if (COMMA > 0) {
                struct += ",";
            }
            COMMA = 0;
            struct += fieldWrapper(key) + ":" + STRUCT + "<" + struct(val.toString(), 1) + ">";
        }
        // Array
        else if (val.isJsonArray()) {
            if (COMMA > 0) {
                struct += ",";
            }
            COMMA++;

            struct += fieldWrapper(key) + ":" + ARRAY + "<" + array(val.toString()) + ">";
        } else { // normal field
            if (COMMA > 0) {
                struct += ",";
            }
            COMMA++;

            if (val.isJsonNull()) {
                struct += fieldWrapper(key) + ":" + STRING;
            } else {
                struct += fieldWrapper(key) + ":" + findType(val.toString());
            }
        }
    }
    return struct;
}

From source file:io.thekraken.json2hive.Json.java

License:Apache License

private static HiveTable createHiveTable(String hiveTableName, String jsonObject) {
    HiveTable hive = new HiveTable(hiveTableName);

    JsonParser parser = new JsonParser();
    JsonElement jsonElement = parser.parse(jsonObject);
    JsonObject jsonObj = jsonElement.getAsJsonObject();

    for (Entry<String, JsonElement> entry : jsonObj.entrySet()) {
        String key = entry.getKey();
        JsonElement value = entry.getValue();

        /** Structure */
        if (value.isJsonObject()) {
            hive.addStructure(key, value.toString());
        }/*from w w w  .  j a  va  2 s  .  c o  m*/
        /** Array */
        else if (value.isJsonArray()) {
            hive.addArray(key, value.toString());
        } else {
            /** primitive */
            if (value.isJsonNull()) {
                hive.AddUnknow(value.toString());
            } else {
                hive.addPrimitive(key, value.toString());
            }
        }
    }
    hive.close();
    return hive;
}

From source file:io.typefox.lsapi.services.json.MessageJsonHandler.java

License:Open Source License

protected ResponseMessageImpl parseResponse(final JsonObject json, final String responseId) {
    if ((this.responseMethodResolver == null)) {
        throw new IllegalStateException("Response methods are not accepted.");
    }//w  w  w . java  2 s.c  o m
    try {
        final ResponseMessageImpl result = new ResponseMessageImpl();
        result.setId(responseId);
        final JsonElement resultElem = json.get("result");
        if ((resultElem != null)) {
            final String method = this.responseMethodResolver.apply(responseId);
            if ((method != null)) {
                final Class<?> resultType = MessageJsonHandler.RESPONSE_RESULT_TYPES.get(method);
                if ((resultType != null)) {
                    boolean _isJsonArray = resultElem.isJsonArray();
                    if (_isJsonArray) {
                        final JsonArray arrayElem = resultElem.getAsJsonArray();
                        int _size = arrayElem.size();
                        final ArrayList<Object> list = Lists.<Object>newArrayListWithExpectedSize(_size);
                        for (final JsonElement e : arrayElem) {
                            Object _fromJson = this.gson.fromJson(e, resultType);
                            list.add(_fromJson);
                        }
                        result.setResult(list);
                    } else {
                        Object _fromJson_1 = this.gson.fromJson(resultElem, resultType);
                        result.setResult(_fromJson_1);
                    }
                }
            }
        } else {
            JsonElement _get = json.get("error");
            JsonObject _asJsonObject = null;
            if (_get != null) {
                _asJsonObject = _get.getAsJsonObject();
            }
            final JsonObject error = _asJsonObject;
            if ((error != null)) {
                ResponseErrorImpl _fromJson_2 = this.gson.<ResponseErrorImpl>fromJson(error,
                        ResponseErrorImpl.class);
                result.setError(_fromJson_2);
            }
        }
        return result;
    } catch (final Throwable _t) {
        if (_t instanceof Exception) {
            final Exception e_1 = (Exception) _t;
            String _message = e_1.getMessage();
            String _plus = ("Could not parse response: " + _message);
            throw new InvalidMessageException(_plus, responseId, e_1);
        } else {
            throw Exceptions.sneakyThrow(_t);
        }
    }
}

From source file:io.vertigo.ccc.console.JSonBeautifier.java

License:Apache License

private static void beautify(final StringBuilder sb, final JsonElement jsonElement, final int inOffset) {
    int offset = inOffset;
    if (jsonElement.isJsonArray()) {
        offset++;/*from  w  w  w  . j  a  v  a2  s. c  o m*/
        for (Iterator<JsonElement> it = jsonElement.getAsJsonArray().iterator(); it.hasNext();) {
            //sb.append("- ");
            beautify(sb, it.next(), offset);
        }
        offset--;
    } else if (jsonElement.isJsonObject()) {
        for (Entry<String, JsonElement> entry : jsonElement.getAsJsonObject().entrySet()) {
            appendSpaces(sb, offset);
            sb.append(entry.getKey());
            sb.append(" : ");
            if (entry.getValue().isJsonPrimitive()) {
                sb.append(entry.getValue());
                appendCRLF(sb);
            } else {
                offset++;
                appendCRLF(sb);
                beautify(sb, entry.getValue(), offset);
                offset--;
            }
        }
    } else if (jsonElement.isJsonPrimitive()) {
        //               appendSpaces(sb, offset);
        String s = jsonElement.toString();
        if (s.startsWith("\"") && s.endsWith("\"")) {
            sb.append(s.substring(1, s.length() - 1));
        } else {
            sb.append(s);
        }
        appendCRLF(sb);
    } else {
        sb.append("???");
        //null
    }
}

From source file:io.vertigo.shell.util.JSonBeautifier.java

License:Apache License

private static void beautify(final StringBuilder sb, final JsonElement jsonElement, final int inOffset) {
    int offset = inOffset;
    if (jsonElement.isJsonArray()) {
        offset++;/*from   w  ww. j  a v  a  2s .  c  o m*/
        for (final JsonElement jsonElement2 : jsonElement.getAsJsonArray()) {
            //sb.append("- ");
            beautify(sb, jsonElement2, offset);
        }
        offset--;
    } else if (jsonElement.isJsonObject()) {
        for (final Entry<String, JsonElement> entry : jsonElement.getAsJsonObject().entrySet()) {
            appendSpaces(sb, offset);
            sb.append(entry.getKey());
            sb.append(" : ");
            if (entry.getValue().isJsonPrimitive()) {
                sb.append(entry.getValue());
                appendCRLF(sb);
            } else {
                offset++;
                appendCRLF(sb);
                beautify(sb, entry.getValue(), offset);
                offset--;
            }
        }
    } else if (jsonElement.isJsonPrimitive()) {
        //               appendSpaces(sb, offset);
        final String s = jsonElement.toString();
        if (s.startsWith("\"") && s.endsWith("\"")) {
            sb.append(s.substring(1, s.length() - 1));
        } else {
            sb.append(s);
        }
        appendCRLF(sb);
    } else {
        sb.append("???");
        //null
    }
}

From source file:io.vertigo.vega.engines.webservice.json.GoogleJsonEngine.java

License:Apache License

private void filterFields(final JsonElement jsonElement, final Set<String> includedFields,
        final Set<String> excludedFields) {
    if (jsonElement.isJsonArray()) {
        final JsonArray jsonArray = jsonElement.getAsJsonArray();
        for (final JsonElement jsonSubElement : jsonArray) {
            filterFields(jsonSubElement, includedFields, excludedFields);
        }/*from  w  w w .  ja va  2s.c o m*/
    } else if (jsonElement.isJsonObject()) {
        final JsonObject jsonObject = jsonElement.getAsJsonObject();
        for (final String excludedField : excludedFields) {
            jsonObject.remove(excludedField);
        }
        if (!includedFields.isEmpty()) {
            final Set<String> notIncludedFields = new HashSet<>();
            for (final Entry<String, JsonElement> entry : jsonObject.entrySet()) {
                if (!includedFields.contains(entry.getKey())) {
                    notIncludedFields.add(entry.getKey());
                }
            }
            for (final String notIncludedField : notIncludedFields) {
                jsonObject.remove(notIncludedField);
            }
        }

    }
    //else Primitive : no exclude
}