java读取pdf文件属性

package action;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.MalformedURLException;
import java.net.URL;
import java.sql.Date;
import java.text.SimpleDateFormat;
import java.util.Calendar;

import org.pdfbox.PDFReader;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.pdmodel.PDDocumentInformation;
import org.pdfbox.util.PDFTextStripper;

import java.io.FileInputStream;
import java.io.IOException;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.pdmodel.PDDocumentInformation;

public class TextReadPdf {

public static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";

/**
 * @param args
 */
public static void main(String[] args) {