aswi2020horky-gitlab/project/Deserializer/src/Converter.java @ 4bf1dab0

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;

import jdeserialize.content;
import jdeserialize.jdeserialize;

import io.FileWorker;

public class Converter extends Thread {
	
	private IConversionResults ui;
	private AtomicBoolean active;
	
	private AtomicReference<File> input;
	private Semaphore inputAvailable;
	
	public Converter(IConversionResults ui) {
		this.ui = ui;
		active = new AtomicBoolean(true);
		input = new AtomicReference<File>(null);
		inputAvailable = new Semaphore(0);
	}
	
	public void end() {
		active.set(false);
		setInput(null);
	}
	
	public void setInput(File input) {
		this.input.set(input);
		inputAvailable.release();
	}
	
	@Override
	public void run() {
		super.run();
		while (active.get()) {
			try {
				inputAvailable.acquire();
				File input = this.input.get();
				if (input != null) {
					process(input);
				}
			} catch (InterruptedException e) {
				continue;
			}
		}
	}
	
	private void process(File input) {
		byte array[];
		try {
			array = FileWorker.loadByteArray(input);
		} catch (IOException e) {
			ui.loadingInputFileError();
			return;
		}
		
		String json;
		try {
			json = convert(array);
		} catch (IOException e) {
			json = null;
		}
		ui.completed(json);
	}
	
	private String convert(byte[] buffer) throws IOException {
		String json = "";
		
		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();
		
		for(content cnt : cntnts)
		{
			if(cnt != null)
			{
				json += cnt.toString();
			}
		}
		
		return json;
	}

}