Get Pdf document information as a map

import java.util.Iterator;

import java.util.Map;

import com.lowagie.text.pdf.PdfReader;

public class MainClass {

public static void main(String[] args) throws Exception {

PdfReader reader = new PdfReader("HelloWorldToRead.pdf");

Map info = reader.getInfo();

for (Iterator i = info.keySet().iterator(); i.hasNext();) {

String key = (String) i.next();

String value = (String) info.get(key);

System.out.println(key + ": " + value);

}

}

}