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Elektron Transport API (ETA) Java Edition Converter Classes
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/*|-----------------------------------------------------------------------------
*| 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.*;
import com.refinitiv.eta.json.util.JsonFactory;
import com.refinitiv.eta.rdm.DomainTypes;
import java.util.Iterator;
import java.util.Objects;
import static com.refinitiv.eta.json.converter.BufferConverter.decodeFromBase64;
import static com.refinitiv.eta.json.converter.ConstCharArrays.*;
class JsonRefreshMsgConverter extends AbstractRsslMessageTypeConverter {
JsonRefreshMsgConverter(JsonAbstractConverter converter) {
super(converter);
}
@Override
boolean encodeJson(DecodeIterator decIter, Object msg, JsonBuffer outBuffer, JsonConverterError error) {
RefreshMsg refMsg = (RefreshMsg) msg;
MsgKey key = refMsg.msgKey();
if (key != null) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_KEY, outBuffer, true, error);
if (!converter.processMsgKey(decIter, key, outBuffer, refMsg.domainType(), true, error))
return false;
}
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_STATE, outBuffer, true, error);
if (!((JsonStateConverter)converter.getPrimitiveHandler(DataTypes.STATE)).writeToJson(refMsg.state(), outBuffer, error))
return false;
if (refMsg.flags() != RefreshMsgFlags.NONE) {
//we don't have HAS_REQ_MSG_KEY flag in RefreshMsgFlags in Java version
if (refMsg.checkHasExtendedHdr()) {
if (Objects.nonNull(refMsg.extendedHeader()) && Objects.nonNull(refMsg.extendedHeader().data())) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_EXTHDR, outBuffer, true, error);
if (!converter.getPrimitiveHandler(DataTypes.BUFFER).encodeJson(refMsg.extendedHeader(), outBuffer, error))
return false;
} else {
error.setError(JsonConverterErrorCodes.JSON_ERROR_UNEXPECTED_VALUE, "Empty extended header found");
return false;
}
}
if (!refMsg.checkRefreshComplete()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_COMPLETE, outBuffer, true, error);
BufferHelper.writeArray(ConstCharArrays.falseString, outBuffer, false, error);
}
if (refMsg.checkHasQos()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_QOS, outBuffer, true, error);
if (!((JsonQosConverter) converter.getPrimitiveHandler(DataTypes.QOS)).writeToJson(refMsg.qos(), outBuffer, error))
return false;
}
if (!refMsg.checkClearCache()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_CLEARCACHE, outBuffer, true, error);
BufferHelper.writeArray(ConstCharArrays.falseString, outBuffer, false, error);
}
if (refMsg.checkDoNotCache()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_DONOTCACHE, outBuffer, true, error);
BufferHelper.writeArray(ConstCharArrays.trueString, outBuffer, false, error);
}
if (refMsg.checkPrivateStream()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_PRIVATE, outBuffer, true, error);
BufferHelper.writeArray(ConstCharArrays.trueString, outBuffer, false, error);
}
if (refMsg.checkQualifiedStream()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_QUALIFIED, outBuffer, true, error);
BufferHelper.writeArray(ConstCharArrays.trueString, outBuffer, false, error);
}
if (refMsg.checkHasPostUserInfo()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_POSTUSERINFO, outBuffer, true, error);
if (!converter.processPostUserInfo(refMsg.postUserInfo(), outBuffer, error))
return false;
}
if (refMsg.checkHasPartNum()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_PARTNUMBER, outBuffer, true, error);
BasicPrimitiveConverter.writeLong(refMsg.partNum(), outBuffer, error);
}
if (refMsg.checkHasPermData()) {
if (Objects.nonNull(refMsg.permData()) && Objects.nonNull(refMsg.permData().data())) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_PERMDATA, outBuffer, true, error);
if (!converter.getPrimitiveHandler(DataTypes.BUFFER).encodeJson(refMsg.permData(), outBuffer, error))
return false;
} else {
error.setError(JsonConverterErrorCodes.JSON_ERROR_UNEXPECTED_VALUE, "Empty permission data found");
return false;
}
}
if (refMsg.checkHasSeqNum()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_SEQNUM, outBuffer, true, error);
BasicPrimitiveConverter.writeLong(refMsg.seqNum(), outBuffer, error);
}
if (!refMsg.checkSolicited()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_SOLICITED, outBuffer, true, error);
BufferHelper.writeArray(ConstCharArrays.falseString, outBuffer, false, error);
}
}
if (refMsg.containerType() != DataTypes.NO_DATA) {
BufferHelper.comma(outBuffer, error);
if (!converter.getContainerHandler(refMsg.containerType()).encodeJson(decIter, outBuffer, true, null, error))
return false;
}
return true;
}
@Override
protected void decodeJson(JsonNode node, Object msg, JsonConverterError error) {
RefreshMsg refreshMsg = (RefreshMsg) msg;
refreshMsg.msgClass(MsgClasses.REFRESH);
refreshMsg.domainType(DomainTypes.MARKET_PRICE);
//use flags to set properties with default True value
boolean hasId = false;
Buffer extendedHeaderBuffer = null;
Buffer permDataBuffer = null;
boolean hasState = false;
boolean isSolicited = true;
boolean isComplete = true;
boolean isClearCache = true;
try {
for (Iterator it = node.fieldNames(); it.hasNext(); ) {
String key = it.next();
JsonNode currentNode = node.path(key);
switch (key) {
case JSON_ID:
refreshMsg.streamId(getInt(currentNode, key, error));
hasId = true;
break;
case JSON_TYPE:
//message type already considered on top level
break;
case JSON_DOMAIN:
checkStringOrInt(currentNode, key, error);
if (error.isFailed())
break;
if (currentNode.isTextual())
refreshMsg.domainType(
ConstCharArrays.JsonDomain.ofValue(
getText(currentNode, key, error)
, error)
);
else
refreshMsg.domainType(getInt(currentNode, key, error));
break;
//treat as body
case JSON_ELEMENTS:
case JSON_FIELDS:
case JSON_FILTERLIST:
case JSON_MAP:
case JSON_MESSAGE:
case JSON_VECTOR:
case JSON_JSON:
case JSON_XML:
case JSON_OPAQUE:
case JSON_SERIES:
refreshMsg.containerType(converter.getContainerDataType(key, currentNode, error));
break;
case JSON_KEY:
refreshMsg.applyHasMsgKey();
converter.decodeChunk(RsslMsgChunkType.MSG_KEY_CHUNK, currentNode, refreshMsg, error);
break;
case JSON_EXTHDR:
refreshMsg.applyHasExtendedHdr();
extendedHeaderBuffer = JsonFactory.createBuffer();
decodeFromBase64(getText(currentNode, key, error), extendedHeaderBuffer, error);
if (error.isFailed())
break;
refreshMsg.extendedHeader(extendedHeaderBuffer);
break;
case JSON_POSTUSERINFO:
refreshMsg.applyHasPostUserInfo();
converter.decodeChunk(RsslMsgChunkType.POST_USER_INFO_CHUNK, currentNode, refreshMsg.postUserInfo(), error);
break;
case JSON_PERMDATA:
refreshMsg.applyHasPermData();
permDataBuffer = JsonFactory.createBuffer();
decodeFromBase64(getText(currentNode, key, error), permDataBuffer, error);
if (error.isFailed())
break;
refreshMsg.permData(permDataBuffer);
break;
case JSON_PRIVATE:
if (getBoolean(currentNode, key, error))
refreshMsg.applyPrivateStream();
break;
case JSON_PARTNUMBER:
refreshMsg.applyHasPartNum();
refreshMsg.partNum(getInt(currentNode, key, error));
break;
case JSON_STATE:
hasState = true;
converter.decodeChunk(DataTypes.STATE, currentNode, refreshMsg.state(), error);
break;
case JSON_SEQNUM:
refreshMsg.applyHasSeqNum();
refreshMsg.seqNum(getLong(currentNode, key, error));
break;
case JSON_SOLICITED:
isSolicited = getBoolean(currentNode, key, error);
break;
case JSON_COMPLETE:
isComplete = getBoolean(currentNode, key, error);
break;
case JSON_CLEARCACHE:
isClearCache = getBoolean(currentNode, key, error);
break;
case JSON_QOS:
refreshMsg.applyHasQos();
converter.decodeChunk(DataTypes.QOS, currentNode, refreshMsg.qos(), error);
break;
case JSON_QUALIFIED:
if (getBoolean(currentNode, key, error))
refreshMsg.applyQualifiedStream();
break;
case JSON_REQKEY:
//not yet supported by ETAJ, ignore for now
break;
default:
processUnexpectedKey(key, error);
}
if (error.isFailed())
return;
}
if (!hasId)
error.setError(JsonConverterErrorCodes.JSON_ERROR_MISSING_KEY, JSON_ID);
if (isClearCache)
refreshMsg.applyClearCache();
if (!hasState) {
//default state
refreshMsg.state().dataState(DataStates.OK);
refreshMsg.state().streamState(StreamStates.OPEN);
}
if (isSolicited)
refreshMsg.applySolicited();
if (isComplete)
refreshMsg.applyRefreshComplete();
if (isClearCache)
refreshMsg.applyClearCache();
} finally {
if (extendedHeaderBuffer != null)
JsonFactory.releaseBuffer(extendedHeaderBuffer);
if (permDataBuffer != null)
JsonFactory.releaseBuffer(permDataBuffer);
}
}
}