com.refinitiv.eta.json.converter.JsonIntConverter Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of etajConverter Show documentation
Elektron Transport API (ETA) Java Edition Converter Classes
The newest version!
/*|-----------------------------------------------------------------------------
 *|            This source code is provided under the Apache 2.0 license
 *|  and is provided AS IS with no warranty or guarantee of fit for purpose.
 *|                See the project's LICENSE.md for details.
 *|           Copyright (C) 2019-2022 LSEG. All rights reserved.     
 *|-----------------------------------------------------------------------------
 */

package com.refinitiv.eta.json.converter;

import com.fasterxml.jackson.databind.JsonNode;
import com.refinitiv.eta.codec.DataTypes;
import com.refinitiv.eta.codec.DecodeIterator;
import com.refinitiv.eta.codec.EncodeIterator;
import com.refinitiv.eta.codec.Int;
import com.refinitiv.eta.json.util.JsonFactory;

import static com.refinitiv.eta.codec.CodecReturnCodes.SUCCESS;

class JsonIntConverter extends AbstractPrimitiveTypeConverter {

    JsonIntConverter(JsonAbstractConverter converter) {
        super(converter);
        dataTypes = new int[] { DataTypes.INT, DataTypes.INT_1, DataTypes.INT_2, DataTypes.INT_4, DataTypes.INT_8};
    }

    @Override
    Object getPrimitiveType() {
        return JsonFactory.createInt();
    }
    @Override
    void releasePrimitiveType(Object type) {
        JsonFactory.releaseInt((Int) type);
    }

    @Override
    int decode(DecodeIterator decIter, Object type) {
        Int iv = (Int) type;
        iv.clear();
        return iv.decode(decIter);
    }

    @Override
    boolean writeToJson(JsonBuffer outBuffer, Object type, JsonConverterError error) {
        return BasicPrimitiveConverter.writeLong(((Int) type).toLong(), outBuffer, error);
    }

    @Override
    protected void decodeJson(JsonNode node, Object msg, JsonConverterError error) {

        Int iv = (Int) msg;
        iv.clear();
        if (node.isNull()) {
            return;
        }
        if (node.isInt())
            iv.value(node.asInt());
        else if (node.isLong())
            iv.value(node.longValue());
        else {
            error.setError(JsonConverterErrorCodes.JSON_ERROR_UNEXPECTED_VALUE, "expected integer type, found " + node.getNodeType().toString());
            return;
        }
    }

    @Override
    protected void encodeRWF(JsonNode dataNode, String key, EncodeIterator iter, JsonConverterError error) {
        if (dataNode.isNull())
            return;

        Int encIntValue = JsonFactory.createInt();
        try {
            encIntValue.clear();
            if (dataNode.isInt())
                encIntValue.value(dataNode.asInt());
            else if (dataNode.isLong())
                encIntValue.value(dataNode.longValue());
            else {
                error.setError(JsonConverterErrorCodes.JSON_ERROR_UNEXPECTED_VALUE, "expected integer type, found " + dataNode.getNodeType().toString());
                return;
            }
            int result = encIntValue.encode(iter);
            if (result != SUCCESS) {
                error.setEncodeError(result, key);
                return;
            }
        } finally {
            JsonFactory.releaseInt(encIntValue);
        }
    }

    @Override
    boolean isInRange(int dataType, JsonNode dataNode) {
        if (dataNode.isBigInteger() ||
            dataNode.isDouble() ||
            dataNode.isFloat()) {
            return false;
        }
        long value = dataNode.asLong();
        switch (dataType) {
            case (DataTypes.INT):
            case (DataTypes.INT_8):
                if (value >= Long.MIN_VALUE && value <= Long.MAX_VALUE) {
                    return true;
                }
                break;

            case (DataTypes.INT_1):
                if (value >= Byte.MIN_VALUE && value <= Byte.MAX_VALUE) {
                    return true;
                }
                break;

            case (DataTypes.INT_2):
                if (value >= Short.MIN_VALUE && value <= Short.MAX_VALUE) {
                    return true;
                }
                break;

            case (DataTypes.INT_4):
                if (value >= Integer.MIN_VALUE && value <= Integer.MAX_VALUE) {
                    return true;
                }
                break;
            default:
                return false;
        }
        return false;
    }
}