Wie kann ich mit Apache Tika in Java Inhalte aus Dateien in einem Zip-Archiv extrahieren?

<code class="java">import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

import org.apache.tika.exception.TikaException;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.parser.AutoDetectParser;
import org.apache.tika.parser.BodyContentHandler;
import org.apache.tika.parser.ParseContext;
import org.apache.tika.parser.Parser;
import org.apache.tika.sax.BodyContentHandlerFactory;
import org.xml.sax.SAXException;

public class ImprovedZipExtractor {

    public static void main(String[] args) {
        List<String> tempString = new ArrayList<>();
        StringBuffer sbf = new StringBuffer();

        File file = new File("C:\Users\xxx\Desktop\abc.zip");
        InputStream input;

        try {
            input = new FileInputStream(file);
            ZipInputStream zip = new ZipInputStream(input);
            ZipEntry entry = zip.getNextEntry();

            Metadata metadata = new Metadata();
            Parser parser = new AutoDetectParser();

            while (entry != null) {
                if (entry.getName().endsWith(".txt") || entry.getName().endsWith(".pdf")
                        || entry.getName().endsWith(".docx")) {
                    System.out.println("entry=" + entry.getName() + " " + entry.getSize());
                    parser.parse(zip, new BodyContentHandlerFactory(BodyContentHandlerFactory.INCLUDE_ENTITY_ROOT,
                            false).getNewBodyContentHandler(), metadata, new ParseContext());
                    tempString.add(sbf.toString());
                }
                entry = zip.getNextEntry();
            }
            zip.close();
            input.close();

            for (String text : tempString) {
                System.out.println("Apache Tika - Converted input string : " + text);
                sbf.append(text);
                System.out.println("Final text from all the three files " + sbf.toString());
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (SAXException e) {
            e.printStackTrace();
        } catch (TikaException e) {
            e.printStackTrace();
        }
    }
}</code>