recovercadstate.java

thinking in java 书中源码 第四版

//: io/RecoverCADState.java
// Restoring the state of the pretend CAD system.
// {RunFirst: StoreCADState}
import java.io.*;
import java.util.*;

public class RecoverCADState {
  @SuppressWarnings("unchecked")
  public static void main(String[] args) throws Exception {
    ObjectInputStream in = new ObjectInputStream(
      new FileInputStream("CADState.out"));
    // Read in the same order they were written:
    List<Class<? extends Shape>> shapeTypes =
      (List<Class<? extends Shape>>)in.readObject();
    Line.deserializeStaticState(in);
    List<Shape> shapes = (List<Shape>)in.readObject();
    System.out.println(shapes);
  }
} /* Output:
[class Circlecolor[1] xPos[58] yPos[55] dim[93]
, class Squarecolor[0] xPos[61] yPos[61] dim[29]
, class Linecolor[3] xPos[68] yPos[0] dim[22]
, class Circlecolor[1] xPos[7] yPos[88] dim[28]
, class Squarecolor[0] xPos[51] yPos[89] dim[9]
, class Linecolor[3] xPos[78] yPos[98] dim[61]
, class Circlecolor[1] xPos[20] yPos[58] dim[16]
, class Squarecolor[0] xPos[40] yPos[11] dim[22]
, class Linecolor[3] xPos[4] yPos[83] dim[6]
, class Circlecolor[1] xPos[75] yPos[10] dim[42]
]
*///:~