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implement EDDN parser

This commit is contained in:
iMoHax
2016-09-16 15:14:33 +03:00
parent 7913c742b3
commit 53c7f09b54
20 changed files with 1310 additions and 37 deletions

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package ru.trader.emdn;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ru.trader.emdn.entities.*;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
public class EMDNParser {
private final static Logger LOG = LoggerFactory.getLogger(EMDNParser.class);
private final ObjectMapper mapper;
private final static ObjectMapper DEFAULT_MAPPER = new ObjectMapper();
public EMDNParser() {
this(DEFAULT_MAPPER);
}
public EMDNParser(ObjectMapper mapper) {
this.mapper = mapper;
}
@Nullable
public Message parse(String json) throws IOException {
JsonParser parser = mapper.getFactory().createParser(json);
JsonNode node = parser.readValueAsTree();
String schema = node.get("$schemaRef").asText();
PARSERS p = PARSERS.getParser(schema);
if (p == null){
LOG.warn("Unknown EDDN message schema {}", schema);
return null;
}
return p.parse(node);
}
private enum PARSERS {
V1("http://schemas.elite-markets.net/eddn/commodity/1"){
@Override
protected Body parseBody(JsonNode node) {
if (node == null){
LOG.warn("Not found message body on parse EDDN message");
return null;
}
JsonNode systemName = node.get("systemName");
JsonNode stationName = node.get("stationName");
JsonNode timestamp = node.get("timestamp");
if (systemName == null || stationName == null || timestamp == null){
LOG.warn("Body EDDN message don't have required fields");
return null;
}
StarSystem starSystem = new StarSystem(systemName.asText());
Station station = new Station(stationName.asText());
LocalDateTime dt = LocalDateTime.parse(timestamp.asText(), DateTimeFormatter.ISO_OFFSET_DATE_TIME);
Body body = new Body(starSystem, station);
body.setTimestamp(dt);
body.addAll(parseCommodities(node));
return body;
}
@Override
protected Collection<Item> parseCommodities(JsonNode node) {
JsonNode name = node.get("itemName");
JsonNode buyPrice = node.get("buyPrice");
JsonNode supply = node.get("stationStock");
JsonNode supplyLevel = node.get("supplyLevel");
JsonNode sellPrice = node.get("sellPrice");
JsonNode demand = node.get("demand");
JsonNode demandLevel = node.get("demandLevel");
if (name == null || buyPrice == null || supply == null || sellPrice == null || demand == null){
LOG.warn("Commodity of EDDN message don't have required fields");
return null;
}
Item item = new Item(name.asText(), buyPrice.asLong(), supply.asLong(), sellPrice.asLong(), demand.asLong());
if (supplyLevel != null){
item.setSupplyLevel(LEVEL_TYPE.fromJSON(supplyLevel.asText()));
}
if (demandLevel != null){
item.setDemandLevel(LEVEL_TYPE.fromJSON(demandLevel.asText()));
}
return Collections.singleton(item);
}
},
V2("http://schemas.elite-markets.net/eddn/commodity/2"),
V3("http://schemas.elite-markets.net/eddn/commodity/3"){
@Override
protected Body parseBody(JsonNode node) {
if (node == null){
LOG.warn("Not found message body on parse EDDN message");
return null;
}
JsonNode systemNode = node.get("system");
JsonNode stationNode = node.get("station");
JsonNode timestamp = node.get("timestamp");
JsonNode commodities = node.get("commodities");
if (systemNode == null || stationNode == null || timestamp == null || commodities == null){
LOG.warn("Body EDDN message don't have required fields");
return null;
}
StarSystem starSystem = parseSystem(systemNode);
Station station = parseStation(stationNode);
LocalDateTime dt = LocalDateTime.parse(timestamp.asText(), DateTimeFormatter.ISO_OFFSET_DATE_TIME);
Body body = new Body(starSystem, station);
body.setTimestamp(dt);
body.addAll(parseCommodities(commodities));
return body;
}
private Station parseStation(JsonNode node) {
JsonNode name = node.get("name");
JsonNode id = node.get("id");
if (name == null){
LOG.warn("Station in EDDN message don't have required fields");
return null;
}
Station station = new Station(name.asText());
if (id != null){
station.setId(id.asLong());
}
return station;
}
private StarSystem parseSystem(JsonNode node) {
JsonNode name = node.get("name");
JsonNode id = node.get("id");
JsonNode address = node.get("address");
if (name == null){
LOG.warn("System in EDDN message don't have required fields");
return null;
}
StarSystem system = new StarSystem(name.asText());
if (id != null){
system.setId(id.asLong());
}
if (address != null){
system.setAddress(address.asLong());
}
return system;
}
};
private final String schema;
public Message parse(JsonNode node){
Header header = parseHeader(node.get("header"));
Body body = parseBody(node.get("message"));
if (header == null || body == null) return null;
return new Message(schema, header, body);
}
protected Header parseHeader(JsonNode node){
if (node == null){
LOG.warn("Not found header on parse EDDN message");
return null;
}
JsonNode uploaderID = node.get("uploaderID");
JsonNode softwareName = node.get("softwareName");
JsonNode softwareVersion = node.get("softwareVersion");
JsonNode gatewayTimestamp = node.get("gatewayTimestamp");
if (uploaderID == null || softwareName == null || softwareVersion == null){
LOG.warn("Header EDDN message don't have required fields");
return null;
}
Header header = new Header(uploaderID.asText(), softwareName.asText(), softwareVersion.asText());
if (gatewayTimestamp != null){
LocalDateTime dt = LocalDateTime.parse(gatewayTimestamp.asText(), DateTimeFormatter.ISO_OFFSET_DATE_TIME);
header.setGatewayTimestamp(dt);
}
return header;
}
protected Body parseBody(JsonNode node){
if (node == null){
LOG.warn("Not found message body on parse EDDN message");
return null;
}
JsonNode systemName = node.get("systemName");
JsonNode stationName = node.get("stationName");
JsonNode timestamp = node.get("timestamp");
JsonNode commodities = node.get("commodities");
if (systemName == null || stationName == null || timestamp == null || commodities == null){
LOG.warn("Body EDDN message don't have required fields");
return null;
}
StarSystem starSystem = new StarSystem(systemName.asText());
Station station = new Station(stationName.asText());
LocalDateTime dt = LocalDateTime.parse(timestamp.asText(), DateTimeFormatter.ISO_OFFSET_DATE_TIME);
Body body = new Body(starSystem, station);
body.setTimestamp(dt);
body.addAll(parseCommodities(commodities));
return body;
}
protected Collection<Item> parseCommodities(JsonNode commodities) {
Collection<Item> res = new ArrayList<>();
for (Iterator<JsonNode> iterator = commodities.elements(); iterator.hasNext(); ) {
JsonNode node = iterator.next();
JsonNode name = node.get("name");
JsonNode id = node.get("id");
JsonNode buyPrice = node.get("buyPrice");
JsonNode supply = node.get("supply");
JsonNode supplyLevel = node.get("supplyLevel");
JsonNode sellPrice = node.get("sellPrice");
JsonNode demand = node.get("demand");
JsonNode demandLevel = node.get("demandLevel");
if (name == null || buyPrice == null || supply == null || sellPrice == null || demand == null){
LOG.warn("Commodity of EDDN message don't have required fields");
return null;
}
Item item = new Item(name.asText(), buyPrice.asLong(), supply.asLong(), sellPrice.asLong(), demand.asLong());
if (id != null){
item.setId(id.asLong());
}
if (supplyLevel != null){
item.setSupplyLevel(LEVEL_TYPE.fromJSON(supplyLevel.asText()));
}
if (demandLevel != null){
item.setDemandLevel(LEVEL_TYPE.fromJSON(demandLevel.asText()));
}
res.add(item);
}
return res;
}
private PARSERS(String schema) {
this.schema = schema;
}
public static PARSERS getParser(String schema){
for (PARSERS parser : PARSERS.values()) {
if (parser.schema.equals(schema)) return parser;
}
return null;
}
}
}

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package ru.trader.emdn;
import java.util.concurrent.ConcurrentHashMap;
public class Station {
private final String name;
private final ConcurrentHashMap<String, ItemData> items = new ConcurrentHashMap<>(15, 0.9f, 1);
public Station(String name) {
this.name = name;
}
public ItemData getData(String name){
return items.get(name);
}
void update(ItemData item){
items.put(item.getName(), item);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Station)) return false;
Station station = (Station) o;
return name.equals(station.name);
}
@Override
public int hashCode() {
return name.hashCode();
}
public String getName() {
return name;
}
}

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package ru.trader.emdn.entities;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Collection;
public class Body {
private final StarSystem system;
private final Station station;
private LocalDateTime timestamp;
private final Collection<Item> commodities;
public Body(StarSystem system, Station station) {
this.system = system;
this.station = station;
commodities = new ArrayList<>();
}
public StarSystem getSystem() {
return system;
}
public Station getStation() {
return station;
}
public LocalDateTime getTimestamp() {
return timestamp;
}
public void setTimestamp(LocalDateTime timestamp) {
this.timestamp = timestamp;
}
public Collection<Item> getCommodities() {
return commodities;
}
public void add(Item item){
commodities.add(item);
}
public void addAll(Collection<Item> items){
commodities.addAll(items);
}
}

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package ru.trader.emdn.entities;
import java.time.LocalDateTime;
public class Header {
private final String uploaderId;
private final String softwareName;
private final String softwareVersion;
private LocalDateTime gatewayTimestamp;
public Header(String uploaderId, String softwareName, String softwareVersion) {
this.uploaderId = uploaderId;
this.softwareName = softwareName;
this.softwareVersion = softwareVersion;
}
public String getUploaderId() {
return uploaderId;
}
public String getSoftwareName() {
return softwareName;
}
public String getSoftwareVersion() {
return softwareVersion;
}
public LocalDateTime getGatewayTimestamp() {
return gatewayTimestamp;
}
public void setGatewayTimestamp(LocalDateTime gatewayTimestamp) {
this.gatewayTimestamp = gatewayTimestamp;
}
@Override
public String toString() {
return "Header{" +
"uploaderId='" + uploaderId + '\'' +
", softwareName='" + softwareName + '\'' +
", softwareVersion='" + softwareVersion + '\'' +
", gatewayTimestamp=" + gatewayTimestamp +
"} " + super.toString();
}
}

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package ru.trader.emdn.entities;
public class Item {
private final String name;
private Long id;
private final long buyPrice;
private final long supply;
private LEVEL_TYPE supplyLevel;
private final long sellPrice;
private final long demand;
private LEVEL_TYPE demandLevel;
public Item(String name, long buyPrice, long supply, long sellPrice, long demand) {
this.name = name;
this.buyPrice = buyPrice;
this.supply = supply;
this.sellPrice = sellPrice;
this.demand = demand;
}
public String getName() {
return name;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public long getBuyPrice() {
return buyPrice;
}
public long getSupply() {
return supply;
}
public LEVEL_TYPE getSupplyLevel() {
return supplyLevel;
}
public void setSupplyLevel(LEVEL_TYPE supplyLevel) {
this.supplyLevel = supplyLevel;
}
public long getSellPrice() {
return sellPrice;
}
public long getDemand() {
return demand;
}
public LEVEL_TYPE getDemandLevel() {
return demandLevel;
}
public void setDemandLevel(LEVEL_TYPE demandLevel) {
this.demandLevel = demandLevel;
}
@Override
public String toString() {
return "Item{" +
"name='" + name + '\'' +
", id=" + id +
", buyPrice=" + buyPrice +
", supply=" + supply +
", supplyLevel=" + supplyLevel +
", sellPrice=" + sellPrice +
", demand=" + demand +
", demandLevel=" + demandLevel +
"} " + super.toString();
}
}

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package ru.trader.emdn.entities;
public enum LEVEL_TYPE {
LOW("Low"), MEDIUM("Med"), HIGH("High");
private final String jsonText;
private LEVEL_TYPE(String jsonText) {
this.jsonText = jsonText;
}
public String toJSON(){
return jsonText;
}
public static LEVEL_TYPE fromJSON(String text){
for (LEVEL_TYPE level : LEVEL_TYPE.values()) {
if (level.jsonText.equals(text)) return level;
}
return null;
}
}

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package ru.trader.emdn.entities;
import com.fasterxml.jackson.annotation.JsonProperty;
public class Message {
@JsonProperty("$schemaRef")
private String schemaRef;
private Header header;
private Body body;
public Message(String schemaRef, Header header, Body body) {
this.schemaRef = schemaRef;
this.header = header;
this.body = body;
}
public String getSchemaRef() {
return schemaRef;
}
public Header getHeader() {
return header;
}
public Body getBody() {
return body;
}
@Override
public String toString() {
return "Message{" +
"schemaRef='" + schemaRef + '\'' +
", header=" + header +
", body=" + body +
"} " + super.toString();
}
}

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package ru.trader.emdn.entities;
public class StarSystem {
private final String name;
private Long id;
private Long address;
public StarSystem(String name) {
this.name = name;
}
public String getName() {
return name;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public Long getAddress() {
return address;
}
public void setAddress(Long address) {
this.address = address;
}
@Override
public String toString() {
return "StarSystem{" +
"name='" + name + '\'' +
", id=" + id +
", address=" + address +
"} " + super.toString();
}
}

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package ru.trader.emdn.entities;
public class Station {
private final String name;
private Long id;
public Station(String name) {
this.name = name;
}
public String getName() {
return name;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
@Override
public String toString() {
return "Station{" +
"name='" + name + '\'' +
", id=" + id +
"} " + super.toString();
}
}

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package ru.trader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
public class TestUtils {
private final static Logger LOG = LoggerFactory.getLogger(TestUtils.class);
public static String read(InputStream is){
StringBuilder builder = new StringBuilder();
String line;
try (BufferedReader reader = new BufferedReader(new InputStreamReader(is))){
while ((line = reader.readLine()) != null){
if (builder.length() > 0){
builder.append("\n");
}
builder.append(line);
}
} catch (IOException e) {
LOG.error("Error on read file", e);
}
return builder.toString();
}
}

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package ru.trader.emdn;
import com.fasterxml.jackson.core.JsonParseException;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ru.trader.TestUtils;
import ru.trader.emdn.entities.*;
import java.io.InputStream;
import java.time.LocalDateTime;
import java.util.Collection;
public class ParserTest extends Assert {
private final static Logger LOG = LoggerFactory.getLogger(ParserTest.class);
@Rule
public final ExpectedException exception = ExpectedException.none();
@Test
public void testParseV1() throws Exception {
EMDNParser parser = new EMDNParser();
try (InputStream is = getClass().getResourceAsStream("/emdn/v1.json")) {
String json = TestUtils.read(is);
Message message = parser.parse(json);
assertNotNull(message);
assertEquals("http://schemas.elite-markets.net/eddn/commodity/1", message.getSchemaRef());
Header header = message.getHeader();
assertNotNull(header);
assertEquals("abcdef0123456789", header.getUploaderId());
assertEquals("My Awesome Market Uploader", header.getSoftwareName());
assertEquals("v3.14", header.getSoftwareVersion());
assertEquals(LocalDateTime.of(2014, 11, 17, 13, 35), header.getGatewayTimestamp());
Body body = message.getBody();
assertNotNull(body);
assertEquals(LocalDateTime.of(2014, 11, 17, 12, 34, 56), body.getTimestamp());
StarSystem system = body.getSystem();
assertNotNull(system);
assertEquals("Eranin", system.getName());
assertNull(system.getId());
assertNull(system.getAddress());
Station station = body.getStation();
assertNotNull(station);
assertEquals("Azeban Orbital", station.getName());
assertNull(station.getId());
Collection<Item> items = body.getCommodities();
assertNotNull(items);
assertEquals(1, items.size());
Item item = items.iterator().next();
assertNotNull(item);
assertEquals("Gold", item.getName());
assertNull(item.getId());
assertEquals(1024, item.getBuyPrice());
assertEquals(7, item.getSupply());
assertEquals(LEVEL_TYPE.LOW, item.getSupplyLevel());
assertEquals(1138, item.getSellPrice());
assertEquals(42, item.getDemand());
assertEquals(LEVEL_TYPE.MEDIUM, item.getDemandLevel());
}
}
@Test
public void testParseV2() throws Exception {
EMDNParser parser = new EMDNParser();
try (InputStream is = getClass().getResourceAsStream("/emdn/v2.json")) {
String json = TestUtils.read(is);
Message message = parser.parse(json);
assertNotNull(message);
assertEquals("http://schemas.elite-markets.net/eddn/commodity/2", message.getSchemaRef());
Header header = message.getHeader();
assertNotNull(header);
assertEquals("abcdef0123456789", header.getUploaderId());
assertEquals("My Awesome Market Uploader", header.getSoftwareName());
assertEquals("v3.14", header.getSoftwareVersion());
assertEquals(LocalDateTime.of(2014, 11, 17, 13, 35), header.getGatewayTimestamp());
Body body = message.getBody();
assertNotNull(body);
assertEquals(LocalDateTime.of(2014, 11, 17, 12, 34, 56), body.getTimestamp());
StarSystem system = body.getSystem();
assertNotNull(system);
assertEquals("Eranin", system.getName());
assertNull(system.getId());
assertNull(system.getAddress());
Station station = body.getStation();
assertNotNull(station);
assertEquals("Azeban Orbital", station.getName());
assertNull(station.getId());
Collection<Item> items = body.getCommodities();
assertNotNull(items);
assertEquals(2, items.size());
int found = 0;
for (Item item : items) {
assertNotNull(item);
if ("Gold".equals(item.getName())){
found++;
assertNull(item.getId());
assertEquals(1024, item.getBuyPrice());
assertEquals(7, item.getSupply());
assertEquals(LEVEL_TYPE.LOW, item.getSupplyLevel());
assertEquals(1138, item.getSellPrice());
assertEquals(42, item.getDemand());
assertEquals(LEVEL_TYPE.MEDIUM, item.getDemandLevel());
} else
if ("Explosives".equals(item.getName())){
found++;
assertNull(item.getId());
assertEquals(999, item.getBuyPrice());
assertEquals(1500, item.getSupply());
assertEquals(LEVEL_TYPE.LOW, item.getSupplyLevel());
assertEquals(0, item.getSellPrice());
assertEquals(0, item.getDemand());
assertNull(item.getDemandLevel());
}
}
assertEquals("Expected items not found", 2, found);
}
}
@Test
public void testParseV1Min() throws Exception {
EMDNParser parser = new EMDNParser();
try (InputStream is = getClass().getResourceAsStream("/emdn/v1m.json")) {
String json = TestUtils.read(is);
Message message = parser.parse(json);
assertNotNull(message);
assertEquals("http://schemas.elite-markets.net/eddn/commodity/1", message.getSchemaRef());
Header header = message.getHeader();
assertNotNull(header);
assertEquals("abcdef0123456789", header.getUploaderId());
assertEquals("My Awesome Market Uploader", header.getSoftwareName());
assertEquals("v3.14", header.getSoftwareVersion());
assertNull(header.getGatewayTimestamp());
Body body = message.getBody();
assertNotNull(body);
assertEquals(LocalDateTime.of(2014, 11, 17, 12, 34, 56), body.getTimestamp());
StarSystem system = body.getSystem();
assertNotNull(system);
assertEquals("Eranin", system.getName());
assertNull(system.getId());
assertNull(system.getAddress());
Station station = body.getStation();
assertNotNull(station);
assertEquals("Azeban Orbital", station.getName());
assertNull(station.getId());
Collection<Item> items = body.getCommodities();
assertNotNull(items);
assertEquals(1, items.size());
Item item = items.iterator().next();
assertNotNull(item);
assertEquals("Gold", item.getName());
assertNull(item.getId());
assertEquals(1024, item.getBuyPrice());
assertEquals(7, item.getSupply());
assertNull(item.getSupplyLevel());
assertEquals(1138, item.getSellPrice());
assertEquals(42, item.getDemand());
assertNull(item.getDemandLevel());
}
}
@Test
public void testParseV2Min() throws Exception {
EMDNParser parser = new EMDNParser();
try (InputStream is = getClass().getResourceAsStream("/emdn/v2m.json")) {
String json = TestUtils.read(is);
Message message = parser.parse(json);
assertNotNull(message);
assertEquals("http://schemas.elite-markets.net/eddn/commodity/2", message.getSchemaRef());
Header header = message.getHeader();
assertNotNull(header);
assertEquals("abcdef0123456789", header.getUploaderId());
assertEquals("My Awesome Market Uploader", header.getSoftwareName());
assertEquals("v3.14", header.getSoftwareVersion());
assertNull(header.getGatewayTimestamp());
Body body = message.getBody();
assertNotNull(body);
assertEquals(LocalDateTime.of(2014, 11, 17, 12, 34, 56), body.getTimestamp());
StarSystem system = body.getSystem();
assertNotNull(system);
assertEquals("Eranin", system.getName());
assertNull(system.getId());
assertNull(system.getAddress());
Station station = body.getStation();
assertNotNull(station);
assertEquals("Azeban Orbital", station.getName());
assertNull(station.getId());
Collection<Item> items = body.getCommodities();
assertNotNull(items);
assertEquals(1, items.size());
for (Item item : items) {
assertNotNull(item);
assertEquals("Gold", item.getName());
assertNull(item.getId());
assertEquals(1024, item.getBuyPrice());
assertEquals(7, item.getSupply());
assertNull(item.getSupplyLevel());
assertEquals(1138, item.getSellPrice());
assertEquals(42, item.getDemand());
assertNull(item.getDemandLevel());
}
}
}
@Test
public void testParseV1Error() throws Exception {
EMDNParser parser = new EMDNParser();
try (InputStream is = getClass().getResourceAsStream("/emdn/v1e.json")) {
String json = TestUtils.read(is);
Message message = parser.parse(json);
assertNull(message);
}
}
@Test
public void testParseV2Error() throws Exception {
EMDNParser parser = new EMDNParser();
try (InputStream is = getClass().getResourceAsStream("/emdn/v2e.json")) {
String json = TestUtils.read(is);
Message message = parser.parse(json);
assertNull(message);
}
}
@Test
public void testParseError() throws Exception {
EMDNParser parser = new EMDNParser();
String json = "Eranin sdfe adsf";
exception.expect(JsonParseException.class);
parser.parse(json);
}
@Test
public void testParseError2() throws Exception {
EMDNParser parser = new EMDNParser();
String json = "{\n" +
" \"$schemaRef\": \"http://schemas.elite-markets.net/eddn/commodity/2\",\n" +
" \"header\": {\n" +
" \"uploaderID\": \"abcdef0123456789\",\n" +
" \"softwareName\": \"My Aweso";
exception.expect(JsonParseException.class);
parser.parse(json);
}
}

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{
"$schema": "http://json-schema.org/draft-04/schema#",
"id": "http://schemas.elite-markets.net/eddn/commodity/1#",
"type": "object",
"additionalProperties": false,
"properties": {
"$schemaRef": {
"id": "#$schemaRef",
"type": "string",
"additionalProperties": false
},
"header": {
"id": "#header",
"type": "object",
"additionalProperties": true,
"properties": {
"uploaderID": {
"id": "#uploaderID",
"type": "string",
"additionalProperties": false
},
"softwareName": {
"id": "#softwareName",
"type": "string",
"additionalProperties": false
},
"softwareVersion": {
"id": "#softwareVersion",
"type": "string",
"additionalProperties": false
},
"gatewayTimestamp": {
"id": "#gatewayTimestamp",
"type": "string",
"format": "date-time",
"description": "Timestamp upon receipt at the gateway. If present, this property will be overwritten by the gateway; submitters are not intended to populate this property.",
"additionalProperties": false
}
}
},
"message": {
"id": "#message",
"type": "object",
"additionalProperties": true,
"properties": {
"systemName": {
"id": "#systemName",
"type": "string",
"additionalProperties": false
},
"stationName": {
"id": "#stationName",
"type": "string",
"additionalProperties": false
},
"itemName": {
"id": "#itemName",
"type": "string",
"additionalProperties": false
},
"buyPrice": {
"id": "#buyPrice",
"type": "integer",
"description": "Price to buy from the market",
"additionalProperties": false
},
"stationStock": {
"id": "#stationStock",
"type": "integer",
"additionalProperties": false
},
"supplyLevel": {
"$ref": "#/definitions/levelType"
},
"sellPrice": {
"id": "#sellPrice",
"type": "integer",
"description": "Price to sell to the market",
"additionalProperties": false
},
"demand": {
"id": "#demand",
"type": "integer",
"additionalProperties": false
},
"demandLevel": {
"$ref": "#/definitions/levelType"
},
"timestamp": {
"id": "#timestamp",
"type": "string",
"format": "date-time",
"additionalProperties": false
}
},
"required": [
"systemName",
"stationName",
"itemName",
"stationStock",
"sellPrice",
"demand",
"timestamp"
]
}
},
"required": [
"$schemaRef",
"header",
"message"
],
"definitions" : {
"levelType" : {
"enum": ["Low", "Med", "High"]
}
}
}

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@@ -0,0 +1,119 @@
{
"$schema": "http://json-schema.org/draft-04/schema#",
"id": "http://schemas.elite-markets.net/eddn/commodity/2#",
"type": "object",
"additionalProperties": false,
"properties": {
"$schemaRef": {
"type": "string",
"additionalProperties": false
},
"header": {
"type": "object",
"additionalProperties": true,
"properties": {
"uploaderID": {
"type": "string",
"additionalProperties": false
},
"softwareName": {
"type": "string",
"additionalProperties": false
},
"softwareVersion": {
"type": "string",
"additionalProperties": false
},
"gatewayTimestamp": {
"type": "string",
"format": "date-time",
"description": "Timestamp upon receipt at the gateway. If present, this property will be overwritten by the gateway; submitters are not intended to populate this property.",
"additionalProperties": false
}
}
},
"message": {
"type": "object",
"additionalProperties": false,
"properties": {
"systemName": {
"type": "string",
"additionalProperties": false
},
"stationName": {
"type": "string",
"additionalProperties": false
},
"timestamp": {
"type": "string",
"format": "date-time",
"additionalProperties": false
},
"commodities": {
"type": "array",
"additionalProperties": false,
"items": {
"oneOf": [
{
"type" : "object",
"properties": {
"name": {
"type": "string",
"additionalProperties": false
},
"buyPrice": {
"type": "integer",
"description": "Price to buy from the market",
"additionalProperties": false
},
"supply": {
"type": "integer",
"additionalProperties": false
},
"supplyLevel": {
"$ref": "#/definitions/levelType"
},
"sellPrice": {
"type": "integer",
"description": "Price to sell to the market",
"additionalProperties": false
},
"demand": {
"type": "integer",
"additionalProperties": false
},
"demandLevel": {
"$ref": "#/definitions/levelType"
}
},
"required": [
"name",
"buyPrice",
"supply",
"sellPrice",
"demand"
]
}
]
}
}
},
"required": [
"systemName",
"stationName",
"commodities",
"timestamp"
]
}
},
"required": [
"$schemaRef",
"header",
"message"
],
"definitions" : {
"levelType" : {
"enum": ["Low", "Med", "High"]
}
}
}

View File

@@ -0,0 +1,114 @@
{
"$schema" : "http://json-schema.org/draft-04/schema#",
"id" : "http://schemas.elite-markets.net/eddn/commodity/3#",
"type" : "object",
"additionalProperties" : false,
"required": [ "$schemaRef", "header", "message" ],
"properties": {
"$schemaRef": {
"type" : "string"
},
"header": {
"type" : "object",
"additionalProperties" : true,
"required" : [ "uploaderID", "softwareName", "softwareVersion" ],
"properties" : {
"uploaderID": {
"type" : "string"
},
"softwareName": {
"type" : "string"
},
"softwareVersion": {
"type" : "string"
},
"gatewayTimestamp": {
"type" : "string",
"format" : "date-time",
"description" : "Timestamp upon receipt at the gateway. If present, this property will be overwritten by the gateway; submitters are not intended to populate this property."
}
}
},
"message": {
"type" : "object",
"additionalProperties" : false,
"required" : [ "system", "station", "timestamp", "commodities" ],
"properties" : {
"system" : {
"$ref" : "#/definitions/systemWithId"
},
"station" : {
"$ref" : "#/definitions/nameWithId"
},
"timestamp": {
"type" : "string",
"format" : "date-time"
},
"commodities": {
"type" : "array",
"minItems" : 1,
"items" : {
"oneOf" : [
{
"type" : "object",
"additionalProperties" : false,
"required" : [ "name", "buyPrice", "supply", "sellPrice", "demand" ],
"properties" : {
"name": {
"type" :"string",
"minLength" :1
},
"id": {
"type" : "integer",
"description" : "If present should be treated by clients as taking precedence over \"name\""
},
"buyPrice": {
"type" :"integer",
"description" :"Price to buy from the market"
},
"supply": {
"type" : "integer"
},
"supplyLevel": {
"$ref" : "#/definitions/levelType"
},
"sellPrice": {
"type" : "integer",
"description" : "Price to sell to the market"
},
"demand":{
"type":"integer"
},
"demandLevel":{
"$ref":"#/definitions/levelType"
}
}
}
]
}
}
}
}
},
"definitions": {
"systemWithId" : {
"type" :"object",
"additionalProperties" : false,
"required" : [ "name" ],
"properties" : {
"name" : { "type": "string", "minLength" : 1 },
"id" : { "type": "integer", "description" : "If present should be treated by clients as taking precedence over \"name\"" },
"address" : { "type": "integer" }
}
},
"nameWithId" : {
"type" :"object",
"additionalProperties" : false,
"required" : [ "name" ],
"properties" : {
"name" : { "type": "string", "minLength" : 1 },
"id" : { "type": "integer", "description" : "If present should be treated by clients as taking precedence over \"name\"" }
}
}
}
}

View File

@@ -0,0 +1,21 @@
{
"$schemaRef": "http://schemas.elite-markets.net/eddn/commodity/1",
"header": {
"uploaderID": "abcdef0123456789",
"softwareName": "My Awesome Market Uploader",
"softwareVersion": "v3.14",
"gatewayTimestamp": "2014-11-17T13:35:00+00:00"
},
"message": {
"systemName": "Eranin",
"stationName": "Azeban Orbital",
"itemName": "Gold",
"buyPrice": 1024,
"stationStock": 7,
"supplyLevel": "Low",
"sellPrice": 1138,
"demand": 42,
"demandLevel": "Med",
"timestamp": "2014-11-17T12:34:56+00:00"
}
}

View File

@@ -0,0 +1,13 @@
{
"$schemaRef": "http://schemas.elite-markets.net/eddn/commodity/1",
"header": {
},
"message": {
"itemName": "Gold",
"buyPrice": 1024,
"stationStock": 7,
"sellPrice": 1138,
"demand": 42,
"timestamp": "2014-11-17T12:34:56+00:00"
}
}

View File

@@ -0,0 +1,18 @@
{
"$schemaRef": "http://schemas.elite-markets.net/eddn/commodity/1",
"header": {
"uploaderID": "abcdef0123456789",
"softwareName": "My Awesome Market Uploader",
"softwareVersion": "v3.14"
},
"message": {
"systemName": "Eranin",
"stationName": "Azeban Orbital",
"itemName": "Gold",
"buyPrice": 1024,
"stationStock": 7,
"sellPrice": 1138,
"demand": 42,
"timestamp": "2014-11-17T12:34:56+00:00"
}
}

View File

@@ -0,0 +1,33 @@
{
"$schemaRef": "http://schemas.elite-markets.net/eddn/commodity/2",
"header": {
"uploaderID": "abcdef0123456789",
"softwareName": "My Awesome Market Uploader",
"softwareVersion": "v3.14",
"gatewayTimestamp": "2014-11-17T13:35:00+00:00"
},
"message": {
"systemName": "Eranin",
"stationName": "Azeban Orbital",
"timestamp": "2014-11-17T12:34:56+00:00",
"commodities": [
{
"name": "Gold",
"buyPrice": 1024,
"supply": 7,
"supplyLevel": "Low",
"sellPrice": 1138,
"demand": 42,
"demandLevel": "Med"
},
{
"name": "Explosives",
"buyPrice": 999,
"supply": 1500,
"supplyLevel": "Low",
"sellPrice": 0,
"demand": 0
}
]
}
}

View File

@@ -0,0 +1,13 @@
{
"$schemaRef": "http://schemas.elite-markets.net/eddn/commodity/2",
"header": {
"uploaderID": "abcdef0123456789",
"softwareName": "My Awesome Market Uploader",
"softwareVersion": "v3.14"
},
"message": {
"systemName": "Eranin",
"stationName": "Azeban Orbital",
"timestamp": "2014-11-17T12:34:56+00:00"
}
}

View File

@@ -0,0 +1,22 @@
{
"$schemaRef": "http://schemas.elite-markets.net/eddn/commodity/2",
"header": {
"uploaderID": "abcdef0123456789",
"softwareName": "My Awesome Market Uploader",
"softwareVersion": "v3.14"
},
"message": {
"systemName": "Eranin",
"stationName": "Azeban Orbital",
"timestamp": "2014-11-17T12:34:56+00:00",
"commodities": [
{
"name": "Gold",
"buyPrice": 1024,
"supply": 7,
"sellPrice": 1138,
"demand": 42
}
]
}
}