Get meta data from pdf document : Metadata « PDF « Java Tutorial

1. Java Tutorial
2. PDF
3. Metadata

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("2.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);
    }
    if (reader.getMetadata() == null) {
      System.out.println("No XML Metadata.");
    } else {
      System.out.println("XML Metadata: " + new String(reader.getMetadata()));
    }
  }

}