使用PDFBox 2.0.2从PDF中提取文本缺少类PDFTextStripper()

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.text.PDFTextStripperByArea;
import org.apache.pdfbox.text.TextPosition;

import java.awt.*;
import java.io.File;
import java.io.IOException;
import java.util.List;

public class PDFTextExtractor {
    public static void main(String[] args) {
        try {
            PDDocument document = PDDocument.load(new File("path/to/your/pdf/file.pdf"));

            PDFTextStripperByArea textStripper = new PDFTextStripperByArea();
            textStripper.setSortByPosition(true);

            Rectangle rect = new Rectangle(10, 10, 200, 100); // 设置提取文本的矩形区域
            textStripper.addRegion("region", rect);

            List allPages = document.getDocumentCatalog().getAllPages();
            for (int i = 0; i < allPages.size(); i++) {
                textStripper.extractRegions((org.apache.pdfbox.pdmodel.PDPage) allPages.get(i));
                System.out.println("Page " + (i + 1) + ":");
                System.out.println(textStripper.getTextForRegion("region"));
            }

            document.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}