Protocol buffer example

ProtocolBufferSample.java

package sample;

import model.Model.*;

import java.io.*;

public class ProtocolBufferSample {

    private static String DATA_SOURCE;

    static {
        DATA_SOURCE = String.format("%s/%s", System.getProperty("user.home"), "person.ser");
    }

    public static OutputStream getOutputFileStream() throws IOException {
        return new FileOutputStream(DATA_SOURCE);
    }

    public static InputStream getInputStream() throws IOException {
        return new FileInputStream(DATA_SOURCE);
    }

    public void writeSamplePerson(String name, String email, int id) throws IOException {
        Person person = Person.newBuilder().setName("Hussein Elsayed")
                .setEmail("[email protected]")
                .setId(1).build();

        OutputStream stream = ProtocolBufferSample.getOutputFileStream();
        person.writeTo(stream);
        stream.close();
    }

    public Person readSamplePerson() throws IOException {
        InputStream stream = ProtocolBufferSample.getInputStream();
        Person person = Person.parseFrom(stream);

        return person;
    }

    public static void main(String[] args) {
        ProtocolBufferSample sample = new ProtocolBufferSample();

        try {
            sample.writeSamplePerson("Hussein", "[email protected]", 1);
            Person person = sample.readSamplePerson();

            System.out.println(person.getName());
            System.out.println(person.getEmail());
            System.out.println(person.getId());
        }
        catch (Throwable th) {
            th.printStackTrace(); // You should define a better way of logging
        }
    }
}