aswi2020horky-gitlab/project/Deserializer/src/Converter.java @ 03a2d08f

import java.io.File;
import java.io.IOException;
import java.util.List;

import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.ObjectWriter;

import jdeserialize.content;
import jdeserialize.jdeserialize;

public class Converter extends Thread {
	
	private Deserializer main;
	
	private File input;
	private File output;
	
	public Converter(Deserializer main, File inputFilename, File outputFilename) {
		this.main = main;
		this.input = inputFilename;
		this.output = outputFilename;
	}
	
	@Override
	public void run() {
		super.run();
		
		try {
			String json = convert(FileWorker.loadByteArray(input));
			
			String title = "Ulo?en? JSON";
			if (FileWorker.saveJson(output, json)) {
				System.out.println("The JSON file was saved correctly.");
				Report.info(title, null, "Ulo?en? JSON souboru prob?hlo v po??dku.");
			} else {
				System.out.println("There was an error saving the JSON file.");
				Report.error(title, null, "P?i ukl?d?n? JSON souboru nastala chyba.");
			}
		} catch (IOException e) {
			System.out.println("There was an error loading the file.");
			e.printStackTrace();
			Report.error("Na??t?n? souboru", null, "P?i na??t?n? souboru do?lo k chyb?.");
		}

		main.convertIsComplete();
	}
	
	private String convert(byte[] buffer) {
		try {
			System.out.println("Deserialization begins.");
			jdeserialize deserializer = new jdeserialize(buffer);
			
			// gets the "contents" into an array - returnes the deserialization of all
            // 'writes' into serialized object via objectOutputStream
            List<content> cntnts = deserializer.getContent();

            // testing with only first of the contents
            ObjectWriter ow = new ObjectMapper().writer().withDefaultPrettyPrinter();
            String json = ow.writeValueAsString(cntnts.get(0));
            
            System.out.println("Task completed.");
            return json;
		} catch (IOException e) {
			System.out.println("An error occurred while processing!");
			e.printStackTrace();
			return null;
		}
	}

}