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Created packet enum to class packets and started progress on how the packets are read and parsed according to the type of packet.

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#story[820]
This commit is contained in:
Kusal Ekanayake
2017-04-24 15:50:21 +12:00
parent 3dc1a7f9c0
commit 403dc480c4
4 changed files with 85 additions and 3 deletions
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src/main/java/seng302/models/parsers/StreamParser.java
+24
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@@ -8,6 +8,8 @@ import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Arrays;
/**
* Created by kre39 on 23/04/17.
@@ -40,5 +42,27 @@ public class StreamParser {
}
}
static void extractBoatLocation(byte[] payload){
byte[] latBytes = Arrays.copyOfRange(payload,16,20);
byte[] lonBytes = Arrays.copyOfRange(payload,20,24);
byte[] boatIdBytes = Arrays.copyOfRange(payload,8,12);
int boatId = ByteBuffer.wrap(boatIdBytes).getInt();
int lat = ByteBuffer.wrap(latBytes).getInt();
int lon = ByteBuffer.wrap(lonBytes).getInt();
// System.out.println("boatId = " + boatId);
// System.out.println("lon = " + 180 * (lon/Math.pow(2,31)));
// System.out.println("lat = " + 180 * (lat/Math.pow(2,31)));
}
public static int toInt(byte[] bytes, int offset) {
int ret = 0;
for (int i=0; i<4 && i+offset<bytes.length; i++) {
ret <<= 8;
ret |= (int)bytes[i] & 0xFF;
}
return ret;
}
}