Mega Code Archive
Only parent class is Serializable
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import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
abstract class Shape implements Serializable {
public static final int RED = 1, BLUE = 2, GREEN = 3;
private int x, y, size;
private static Random r = new Random();
private static int counter = 0;
public abstract void setColor(int newColor);
public abstract int getColor();
public Shape(int xVal, int yVal, int dim) {
x = xVal;
y = yVal;
size = dim;
}
public String toString() {
return getClass() + "color[" + getColor() + "] xPos[" + x + "] yPos[" + y + "] dim[" + size
+ "]\n";
}
}
class Circle extends Shape {
private static int color = RED;
public Circle(int xVal, int yVal, int dim) {
super(xVal, yVal, dim);
}
public void setColor(int newColor) {
color = newColor;
}
public int getColor() {
return color;
}
}
class Square extends Shape {
private static int color;
public Square(int xVal, int yVal, int dim) {
super(xVal, yVal, dim);
color = RED;
}
public void setColor(int newColor) {
color = newColor;
}
public int getColor() {
return color;
}
}
class Line extends Shape {
private static int color = RED;
public static void serializeStaticState(ObjectOutputStream os) throws IOException {
os.writeInt(color);
}
public static void deserializeStaticState(ObjectInputStream os) throws IOException {
color = os.readInt();
}
public Line(int xVal, int yVal, int dim) {
super(xVal, yVal, dim);
}
public void setColor(int newColor) {
color = newColor;
}
public int getColor() {
return color;
}
}
public class MainClass {
public static void main(String[] args) throws Exception {
List shapeTypes, shapes;
if (args.length == 0) {
shapeTypes = new ArrayList();
shapes = new ArrayList();
shapeTypes.add(Circle.class);
shapeTypes.add(Square.class);
shapeTypes.add(Line.class);
shapes.add(new Square(4, 3, 200));
shapes.add(new Circle(1, 2, 100));
shapes.add(new Line(1, 2, 100));
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("CADState.out"));
out.writeObject(shapeTypes);
Line.serializeStaticState(out);
out.writeObject(shapes);
} else {
ObjectInputStream in = new ObjectInputStream(new FileInputStream(args[0]));
shapeTypes = (List) in.readObject();
Line.deserializeStaticState(in);
shapes = (List) in.readObject();
}
System.out.println(shapes);
}
}
/*
*/
[class Squarecolor[1] xPos[4] yPos[3] dim[200]
, class Circlecolor[1] xPos[1] yPos[2] dim[100]
, class Linecolor[1] xPos[1] yPos[2] dim[100]
]
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