40 lines
1.4 KiB
Java
40 lines
1.4 KiB
Java
package com.iluwatar;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.util.HashMap;
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import java.util.Map;
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public class RainbowFishSerializer {
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public static void write(RainbowFish rainbowFish, String filename) throws IOException {
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Map<String, String> map = new HashMap<>();
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map.put("name", rainbowFish.getName());
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map.put("age", String.format("%d", rainbowFish.getAge()));
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map.put("lengthMeters", String.format("%d", rainbowFish.getLengthMeters()));
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map.put("weightTons", String.format("%d", rainbowFish.getWeightTons()));
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FileOutputStream fileOut = new FileOutputStream(filename);
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ObjectOutputStream objOut = new ObjectOutputStream(fileOut);
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objOut.writeObject(map);
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objOut.close();
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fileOut.close();
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}
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public static RainbowFish read(String filename) throws IOException, ClassNotFoundException {
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Map<String, String> map = null;
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FileInputStream fileIn = new FileInputStream(filename);
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ObjectInputStream objIn = new ObjectInputStream(fileIn);
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map = (Map<String, String>) objIn.readObject();
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objIn.close();
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fileIn.close();
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return new RainbowFish(map.get("name"),
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Integer.parseInt(map.get("age")),
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Integer.parseInt(map.get("lengthMeters")),
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Integer.parseInt(map.get("weightTons")));
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}
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}
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