ion code example

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import mightypork.gamecore.util.ion.Ion;
import mightypork.gamecore.util.ion.IonInput;
import mightypork.gamecore.util.ion.IonObjBinary;
import mightypork.gamecore.util.ion.IonOutput;


public class Test {

    public static class Rat implements IonObjBinary {

        public static final short ION_MARK = 50; // available: 50 to 255

        private String name;
        private int age;

        public Rat(String name, int age)
        {
            this.name = name;
            this.age = age;
        }

        public Rat()
        {
            // needed for Ion.fromFile() & friends
        }

        @Override
        public void load(IonInput in) throws IOException
        {
            name = in.readString();
            age = in.readInt();
        }

        @Override
        public void save(IonOutput out) throws IOException
        {
            out.writeString(name);
            out.writeInt(age);
        }

        @Override
        public short getIonMark()
        {
            return ION_MARK;
        }

        @Override
        public String toString()
        {
            return "Rat('" + name + "', " + age + ")";
        }
    }

    public static void main(String[] args) throws IOException
    {
        {
            System.out.println("\nTest 1");
            HashMap<Integer, String> foos = new HashMap<Integer, String>();
            foos.put(1, "Hello");
            foos.put(32, "LOLOLO");
            foos.put(42, "lyfe");
            foos.put(43, null);

            System.out.println(foos);
            Ion.toFile("./data.ion", foos);

            System.out.println("-- loading --");
            Map<Object, Object> map = Ion.fromFile("./data.ion");

            System.out.println(map);
        }
        {
            System.out.println("\nTest 2");

            Ion.registerType(Rat.ION_MARK, Rat.class);

            Rat r = new Rat("Fat rat", 4);

            System.out.println(r);
            Ion.toFile("rat.ion", r);

            System.out.println("-- loading --");
            Rat r2 = Ion.fromFile("rat.ion");

            System.out.println(r2);
        }
    }
}