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Began figuring out how to implement XML data in place of mock data.

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#story[820] #pair[ajm412, wmu16]
This commit is contained in:
Alistair McIntyre
2017-05-01 17:35:39 +12:00
parent c80cff87f7
commit 57de058582
4 changed files with 79 additions and 64 deletions
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src/main/java/seng302/models/parsers/StreamParser.java
+23 -31
View File
@@ -1,7 +1,9 @@
package seng302.models.parsers;
import com.sun.deploy.util.StringUtils;
import javafx.geometry.Point3D;
import jdk.internal.util.xml.impl.Pair;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
@@ -33,6 +35,7 @@ public class StreamParser extends Thread{
private String threadName;
private Thread t;
private static boolean raceStarted = false;
public static XMLParser xmlObject;
private static boolean raceFinished = false;
private static boolean streamStatus = false;
private static long timeSinceStart = -1;
@@ -50,6 +53,7 @@ public class StreamParser extends Thread{
try {
System.out.println("START OF STREAM");
streamStatus = true;
xmlObject = new XMLParser();
while (StreamReceiver.packetBuffer == null || StreamReceiver.packetBuffer.size() < 1) {
Thread.sleep(1);
}
@@ -220,41 +224,24 @@ public class StreamParser extends Thread{
private static void extractXmlMessage(StreamPacket packet){
byte[] payload = packet.getPayload();
String xmlMessage = "";
ByteArrayInputStream payloadStream = new ByteArrayInputStream(payload);
//Bunch of data we don't want (Message Version Number, AckNumber, Timestamp)
payloadStream.skip(9);
int xmlMessageSubType = payloadStream.read();
payloadStream.skip(2);
//checks the length of the xml message itself
int xmlMessageLength = payloadStream.read() | payloadStream.read() << 8;
//Converts XML message to string to be parsed
int currentChar;
while (payloadStream.available() > 0 && (currentChar = payloadStream.read()) != 0) {
xmlMessage += (char)currentChar;
}
// Parse boat xml from server
if (xmlMessageSubType == 7) {
BoatsParser boatsParser = new BoatsParser(xmlMessage);
boats = boatsParser.getBoats();
}
int messageType = payload[9];
long messagelength = bytesToLong(Arrays.copyOfRange(payload,12,14));
String xmlMessage = new String((Arrays.copyOfRange(payload,14,(int) (14 + messagelength)))).trim();
//System.out.println("xmlMessage2 = " + xmlMessage);
//Create XML document Object
// DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
// DocumentBuilder db = null;
// try {
// db = dbf.newDocumentBuilder();
// Document doc = db.parse(new InputSource(new StringReader(xmlMessage)));
// // TODO: 25/04/17 ajm412: Check that the object matches expected structure and return Document object.
// } catch (ParserConfigurationException | IOException | SAXException e) {
// e.printStackTrace();
// }
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = null;
Document doc = null;
try {
db = dbf.newDocumentBuilder();
doc = db.parse(new InputSource(new StringReader(xmlMessage)));
} catch (ParserConfigurationException | IOException | SAXException e) {
e.printStackTrace();
}
xmlObject.constructXML(doc, messageType);
}
/**
@@ -473,5 +460,10 @@ public class StreamParser extends Thread{
public static List<Boat> getBoats() {
return boats;
}
public static XMLParser getXmlObject() {
return xmlObject;
}
}
src/main/java/seng302/models/parsers/XMLParser.java
+46 -32
View File
@@ -9,35 +9,51 @@ import java.util.ArrayList;
/**
* Class to create an XML object from the XML Packet Messages.
*
* Example usage:
*
* Document doc; // some xml document
* Integer xmlMessageType; // an Integer of value 5, 6, 7
*
* xmlP = new XMLParser(doc, xmlMessageType);
* RegattaXMLObject rXmlObj = xmlP.createRegattaXML(); // creates a regattaXML object.
*
*/
class XMLParser {
public class XMLParser {
/**
* Creates a Regatta XML Object from the data in a Regatta XML Message
* @param doc XML Document Object
* @return A new RegattaXMLObject from the input Document.
*/
RegattaXMLObject createRegattaXML(Document doc) {
return new RegattaXMLObject(doc);
private Document xmlDoc;
private RaceXMLObject raceXML;
private RegattaXMLObject regattaXML;
private BoatXMLObject boatXML;
public XMLParser() {
}
/**
* Creates a Race XML Object from the data in a Regatta XML Message
* @param doc XML Document Object
* @return A new RaceXMLObject from the input Document.
* Constructor for XMLParser
* @param doc Document to create XML object.
* @param messageType Defines if a message is a RegattaXML(5), RaceXML(6), BoatXML(7).
*/
RaceXMLObject createRaceXML(Document doc) {
return new RaceXMLObject(doc);
public void constructXML(Document doc, Integer messageType) {
this.xmlDoc = doc;
switch (messageType) {
case 5:
regattaXML = new RegattaXMLObject(this.xmlDoc);
break;
case 6:
raceXML = new RaceXMLObject(this.xmlDoc);
break;
case 7:
boatXML = new BoatXMLObject(this.xmlDoc);
break;
}
}
/**
* Creates a Boat XML Object from the data in a Regatta XML Message
* @param doc XML Document Object
* @return A new BoatXMLObject from the input Document.
*/
BoatXMLObject createBoatXML(Document doc) {
return new BoatXMLObject(doc);
}
public RaceXMLObject getRaceXML() { return raceXML; }
public RegattaXMLObject getRegattaXML() { return regattaXML; }
public BoatXMLObject getBoatXML() { return boatXML; }
/**
* Returns the text content of a given child element tag, assuming it exists, as an Integer.
@@ -129,7 +145,7 @@ class XMLParser {
}
}
class RegattaXMLObject {
public class RegattaXMLObject {
//Regatta Info
private Integer regattaID;
private String regattaName;
@@ -163,7 +179,7 @@ class XMLParser {
}
class RaceXMLObject {
public class RaceXMLObject {
// Race Info
private Integer raceID;
@@ -266,7 +282,7 @@ class XMLParser {
public ArrayList<Corner> getCompoundMarkSequence() { return compoundMarkSequence; }
public ArrayList<Limit> getCourseLimit() { return courseLimit; }
class Participant {
public class Participant {
Integer sourceID;
String entry;
@@ -279,7 +295,7 @@ class XMLParser {
public String getEntry() { return entry; }
}
class CompoundMark {
public class CompoundMark {
private Integer markID;
private String cMarkName;
private ArrayList<Mark> marks;
@@ -302,7 +318,7 @@ class XMLParser {
public String getcMarkName() { return cMarkName; }
public ArrayList<Mark> getMarks() { return marks; }
class Mark {
public class Mark {
private Integer seqID;
private Integer sourceID;
private String markName;
@@ -310,13 +326,11 @@ class XMLParser {
private Double targetLng;
Mark(Node markNode) {
this.seqID = getNodeAttributeInt(markNode, "SeqID");
this.sourceID = getNodeAttributeInt(markNode, "SourceID");
this.markName = getNodeAttributeString(markNode, "Name");
this.targetLat = getNodeAttributeDouble(markNode, "TargetLat");
this.targetLng = getNodeAttributeDouble(markNode, "TargetLng");
}
public Integer getSeqID() { return seqID; }
@@ -327,7 +341,7 @@ class XMLParser {
}
}
class Corner {
public class Corner {
private Integer seqID;
private Integer compoundMarkID;
private String rounding;
@@ -346,7 +360,7 @@ class XMLParser {
public Integer getZoneSize() { return zoneSize; }
}
class Limit {
public class Limit {
private Integer seqID;
private Double lat;
private Double lng;
@@ -364,7 +378,7 @@ class XMLParser {
}
class BoatXMLObject {
public class BoatXMLObject {
private String lastModified;
private Integer version;
@@ -429,7 +443,7 @@ class XMLParser {
public ArrayList<Double> getZoneLimits() { return zoneLimits; }
public ArrayList<Boat> getBoats() { return boats; }
class Boat {
public class Boat {
private String boatType;
private Integer sourceID;