Initial commit

src/com/flaremicrosystems/sds/SDSObject.java

@@ -0,0 +1,98 @@
+package com.flaremicrosystems.sds;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+
+public abstract class SDSObject<T> {
+	T value;
+	static ArrayList<Integer> ids = new ArrayList<Integer>();
+	static ArrayList<Class<?>> objects = new ArrayList<Class<?>>();
+	static ArrayList<Class<?>> dataTypes = new ArrayList<Class<?>>();
+	static final int OPCODE_BYTES = 4;
+	static final int LENGTH_BYTES = 4;
+
+	static {
+		registerDataStore(0, SDSBooleanType.class, Boolean.class);
+		registerDataStore(1, SDSByteType.class, Byte.class);
+		registerDataStore(2, SDSShortType.class, Short.class);
+		registerDataStore(3, SDSIntType.class, Integer.class);
+		registerDataStore(4, SDSCharType.class, Character.class);
+		registerDataStore(5, SDSLongType.class, Long.class);
+		registerDataStore(6, SDSFloatType.class, Float.class);
+		registerDataStore(7, SDSDoubleType.class, Double.class);
+		registerDataStore(8, SDSStringType.class, String.class);
+		registerDataStore(9, SDSListType.class, ArrayList.class);
+		registerDataStore(10, SDSNameMapType.class, HashMap.class);
+		registerDataStore(11, SDSBinaryDataType.class, byte[].class);
+		registerDataStore(12, SDSNullType.class, null);
+	}
+
+	public SDSObject() {
+	}
+
+	public SDSObject(T value) {
+		this.value = value;
+	}
+
+	public T getValue() {
+		return value;
+	}
+	
+	public boolean isNull()
+	{
+		return false;
+	}
+	
+	public abstract int getByteLength();
+
+	public void setValue(T newVal) {
+		value = newVal;
+	}
+
+	@Override
+	public String toString()
+	{
+		return this.value.toString();
+	}
+	
+	public void store(DataOutputStream out) throws IOException {
+		int id = ids.get(objects.indexOf(this.getClass()));
+		out.writeInt(id);
+		int length = getByteLength();
+		out.writeInt(length);
+	}
+
+	public static void registerDataStore(int id, Class<?> obj, Class<?> dataType) {
+		ids.add(id);
+		objects.add(obj);
+		dataTypes.add(dataType);
+	}
+
+	public SDSObject<?> load(DataInputStream in) throws IOException, SDSUndefinedException {
+		return this;
+	}
+
+	public static SDSObject<?> readObject(DataInputStream in) throws IOException, SDSUndefinedException {
+		int id = in.readInt();
+		int length = in.readInt();
+		if (!ids.contains(id))
+		{	
+			in.read(new byte[length]);
+			throw new SDSUndefinedException("Unknown identifier: " + id);
+		}
+		@SuppressWarnings({ "rawtypes", "unchecked" })
+		Class<SDSObject> obj = (Class<SDSObject>) objects.get(ids.get(id));
+		try {
+			return obj.newInstance().load(in);
+		} catch (InstantiationException e) {
+			e.printStackTrace();
+			throw new SDSTotalFailureException(e);
+		} catch (IllegalAccessException e) {
+			e.printStackTrace();
+			throw new SDSTotalFailureException(e);
+		}
+	}
+}