Added a DNSPacket class and Initial implementation of custom BinaryFields

src/zutil/net/dns/DNSPacket.java

@@ -0,0 +1,52 @@
+package zutil.net.dns;
+
+import zutil.parser.binary.BinaryStructOutputStream;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+
+/**
+ * This class is a general wrapper for a whole DNS packet.
+ *
+ * Created by ezivkoc on 2016-04-11.
+ */
+public class DNSPacket {
+    private DNSPacketHeader header;
+    private ArrayList<DNSPacketQuestion> questions;
+    private ArrayList<DNSPacketResource> answerRecords;
+    private ArrayList<DNSPacketResource> nameServers;
+    private ArrayList<DNSPacketResource> additionalRecords;
+
+
+    public DNSPacket(){
+        header = new DNSPacketHeader();
+        questions = new ArrayList<>();
+        answerRecords = new ArrayList<>();
+        nameServers = new ArrayList<>();
+        additionalRecords = new ArrayList<>();
+    }
+
+
+    public static DNSPacket read(InputStream in){
+        return null;
+    }
+
+    public void write(OutputStream out) throws IOException {
+        BinaryStructOutputStream structOut = new BinaryStructOutputStream(out);
+        structOut.write(header);
+        out.flush();
+
+        /*for (DNSPacketQuestion question : questions)
+            question.write(out);
+        for (DNSPacketResource answerRecord : answerRecords)
+            answerRecord.write(out);
+        for (DNSPacketResource nameServer : nameServers)
+            nameServer.write(out);
+        for (DNSPacketResource additionalRecord : additionalRecords)
+            additionalRecord.write(out);*/
+    }
+
+}