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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 JsonPostMsgConverter extends AbstractRsslMessageTypeConverter {
JsonPostMsgConverter(JsonAbstractConverter converter) {
super(converter);
}
@Override
boolean encodeJson(DecodeIterator decIter, Object msg, JsonBuffer outBuffer, JsonConverterError error) {
PostMsg postMsg = (PostMsg) msg;
boolean res = BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_POSTUSERINFO, outBuffer, true, error);
if (!converter.processPostUserInfo(postMsg.postUserInfo(), outBuffer, error))
return false;
if (postMsg.flags() != PostMsgFlags.NONE) {
if (postMsg.checkHasPostId()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_POSTID, outBuffer, true, error);
BasicPrimitiveConverter.writeLong(postMsg.postId(), outBuffer, error);
}
if (postMsg.checkHasMsgKey()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_KEY, outBuffer, true, error);
if (!converter.processMsgKey(decIter, postMsg.msgKey(), outBuffer, postMsg.domainType(), true, error))
return false;
}
if (postMsg.checkHasSeqNum()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_SEQNUM, outBuffer, true, error);
BasicPrimitiveConverter.writeLong(postMsg.seqNum(), outBuffer, error);
}
if (!postMsg.checkPostComplete()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_COMPLETE, outBuffer, true, error);
BufferHelper.writeArray(ConstCharArrays.falseString, outBuffer, false, error);;
}
if (postMsg.checkAck()) {
BufferHelper.writeArrayAndColon(JSON_ACK, outBuffer, true, error);
BufferHelper.writeArray(ConstCharArrays.trueString, outBuffer, false, error);
}
if (postMsg.checkHasPermData()) {
if (Objects.nonNull(postMsg.permData()) && Objects.nonNull(postMsg.permData().data())) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_PERMDATA, outBuffer, true, error);
if (!converter.getPrimitiveHandler(DataTypes.BUFFER).encodeJson(postMsg.permData(), outBuffer, error))
return false;
} else {
error.setError(JsonConverterErrorCodes.JSON_ERROR_UNEXPECTED_VALUE, "Empty permission data found");
return false;
}
}
if (postMsg.checkHasPartNum()) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_PARTNUMBER, outBuffer, true, error);
BasicPrimitiveConverter.writeLong(postMsg.partNum(), outBuffer, error);
}
if (postMsg.checkHasPostUserRights()) {
BufferHelper.writeArrayAndColon(JSON_POSTUSERRIGHTS, outBuffer, true, error);
BasicPrimitiveConverter.writeLong(postMsg.postUserRights(), outBuffer, error);
}
if (postMsg.checkHasExtendedHdr()) {
if (Objects.nonNull(postMsg.extendedHeader()) && Objects.nonNull(postMsg.extendedHeader().data())) {
BufferHelper.writeArrayAndColon(ConstCharArrays.JSON_EXTHDR, outBuffer, true, error);
if (!converter.getPrimitiveHandler(DataTypes.BUFFER).encodeJson(postMsg.extendedHeader(), outBuffer, error))
return false;
} else {
error.setError(JsonConverterErrorCodes.JSON_ERROR_UNEXPECTED_VALUE, "Empty extended header found");
return false;
}
}
}
if (postMsg.containerType() != DataTypes.NO_DATA) {
BufferHelper.comma(outBuffer, error);
if (!converter.getContainerHandler(postMsg.containerType()).encodeJson(decIter, outBuffer, true, null, error))
return false;
}
return res;
}
@Override
protected void decodeJson(JsonNode node, Object msg, JsonConverterError error) {
((Msg)msg).msgClass(MsgClasses.POST);
PostMsg postMsg = (PostMsg) msg;
postMsg.domainType(DomainTypes.MARKET_PRICE);
//use flags to set properties with default True value
boolean hasId = false;
Buffer extendedHeaderBuffer = null;
Buffer permDataBuffer = null;
boolean isComplete = true;
try {
for (Iterator it = node.fieldNames(); it.hasNext(); ) {
String key = it.next();
JsonNode currentNode = node.path(key);
switch (key) {
case JSON_ID:
postMsg.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())
postMsg.domainType(
ConstCharArrays.JsonDomain.ofValue(
getText(currentNode, key, error)
, error)
);
else
postMsg.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:
postMsg.containerType(converter.getContainerDataType(key, currentNode, error));
break;
case JSON_KEY:
postMsg.applyHasMsgKey();
converter.decodeChunk(RsslMsgChunkType.MSG_KEY_CHUNK, currentNode, postMsg, error);
break;
case JSON_POSTUSERINFO:
converter.decodeChunk(RsslMsgChunkType.POST_USER_INFO_CHUNK, currentNode, postMsg.postUserInfo(), error);
break;
case JSON_POSTID:
postMsg.applyHasPostId();
postMsg.postId(getLong(currentNode, key, error));
break;
case JSON_PARTNUMBER:
postMsg.applyHasPartNum();
postMsg.partNum(getInt(currentNode, key, error));
break;
case JSON_POSTUSERRIGHTS:
postMsg.applyHasPostUserRights();
postMsg.postUserRights(getInt(currentNode, key, error));
break;
case JSON_PERMDATA:
postMsg.applyHasPermData();
permDataBuffer = JsonFactory.createBuffer();
decodeFromBase64(getText(currentNode, key, error), permDataBuffer, error);
if (error.isFailed())
break;
postMsg.permData(permDataBuffer);
break;
case JSON_SEQNUM:
postMsg.applyHasSeqNum();
postMsg.seqNum(getLong(currentNode, key, error));
break;
case JSON_ACK:
if (getBoolean(currentNode, key, error))
postMsg.applyAck();
break;
case JSON_EXTHDR:
postMsg.applyHasExtendedHdr();
extendedHeaderBuffer = JsonFactory.createBuffer();
decodeFromBase64(getText(currentNode, key, error), extendedHeaderBuffer, error);
if (error.isFailed())
break;
postMsg.extendedHeader(extendedHeaderBuffer);
break;
case JSON_REQKEY:
//not yet supported by ETAJ, ignore for now
break;
case JSON_COMPLETE:
isComplete = getBoolean(currentNode, key, error);
break;
default:
processUnexpectedKey(key, error);
}
if (error.isFailed())
return;
}
if (!hasId)
error.setError(JsonConverterErrorCodes.JSON_ERROR_MISSING_KEY, JSON_ID);
if (isComplete)
postMsg.applyPostComplete();
} finally {
if (extendedHeaderBuffer != null)
JsonFactory.releaseBuffer(extendedHeaderBuffer);
if (permDataBuffer != null)
JsonFactory.releaseBuffer(permDataBuffer);
}
}
}