Generate PDF from JSONObject

jsonTopdf.java

package bravado;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfWriter;

public class PDFGenerator {

	public static void process(Document document, JSONObject json) throws JSONException, DocumentException {
		for (String k : json.keySet()) {
			Object object = json.get(k);
			if (object instanceof JSONArray) {
				JSONArray list = json.getJSONArray(k);
				process(document, list);
			} else if (object instanceof JSONObject) {
				process(document, json.getJSONObject(k));
			} else {
				document.add(new Paragraph(k + " " + json.get(k)));
			}

		}
	}

	public static void process(Document document, JSONArray json) throws JSONException, DocumentException {
		for (int x = 0; x < json.length(); x++) {
			Object object = json.get(x);
			if (object instanceof JSONArray) {
				JSONArray list = json.getJSONArray(x);
				process(document, list);
			} else if (object instanceof JSONObject) {
				process(document, json.getJSONObject(x));
			} else {
				document.add(new Paragraph(json.get(x).toString()));
			}

		}
	}

	public static File jsonTopdf(JSONObject json) throws IOException, DocumentException {

		Document document = new Document(PageSize.A4, 70, 55, 100, 55);
		File file = File.createTempFile("consulta", ".pdf");
		FileOutputStream output = new FileOutputStream(file);
		
		PdfWriter writer = PdfWriter.getInstance(document, output);
		writer.setEncryption("a".getBytes(), "b".getBytes(), PdfWriter.ALLOW_PRINTING, PdfWriter.STANDARD_ENCRYPTION_128);
        writer.createXmpMetadata();
		writer.setBoxSize("art", new Rectangle(36, 54, 559, 788));
		

		document.open();
		document.addCreationDate();
		document.addTitle("documento");
		document.newPage();

		process(document, json);
		
		document.close();
		
		return file;
	}

	}