37 lines
1.1 KiB
Java
37 lines
1.1 KiB
Java
// serialization/RecoverCADState.java
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// Restoring the state of the fictitious CAD system
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// {RunFirst: AStoreCADState}
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import java.io.*;
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import java.util.*;
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public class RecoverCADState {
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@SuppressWarnings("unchecked")
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public static void main(String[] args) {
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try(
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ObjectInputStream in =
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new ObjectInputStream(
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new FileInputStream("CADState.dat"))
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) {
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// Read in the same order they were written:
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List<Class<? extends Shape>> shapeTypes =
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(List<Class<? extends Shape>>)in.readObject();
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Line.deserializeStaticState(in);
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List<Shape> shapes = (List<Shape>)in.readObject();
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System.out.println(shapes);
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} catch(IOException | ClassNotFoundException e) {
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throw new RuntimeException(e);
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}
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}
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}
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/* Output:
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[
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class Circle RED xPos[58] yPos[55] dim[93],
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class Line GREEN xPos[61] yPos[61] dim[29],
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class Circle RED xPos[68] yPos[0] dim[22],
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class Line GREEN xPos[7] yPos[88] dim[28],
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class Circle RED xPos[51] yPos[89] dim[9]]
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*/
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