import java.io.File;
import java.io.FileOutputStream;

import org.apache.fop.apps.Fop;
import org.apache.fop.apps.FopFactory;
import org.apache.fop.apps.MimeConstants;

import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.stream.StreamSource;

public class FOPExample {

    public static void main(String[] args) {
        try {
            // FopFactory 생성
            FopFactory fopFactory = FopFactory.newInstance(new File(".").toURI());

            // Fop 생성
            File outputFile = new File("output.pdf");
            FileOutputStream fos = new FileOutputStream(outputFile);
            Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, fos);

            // XSL-FO 파일 로드
            Source xslFoFile = new StreamSource(new File("template.xslfo"));

            // XML 파일 로드
            Source xmlFile = new StreamSource(new File("input.xml"));

            // 변환기 생성
            TransformerFactory factory = TransformerFactory.newInstance();
            Transformer transformer = factory.newTransformer(xslFoFile);

            // 변환 수행
            transformer.transform(xmlFile, new SAXResult(fop.getDefaultHandler()));

            // 출력 파일 닫기
            fos.close();
            System.out.println("PDF 변환 완료: " + outputFile.getAbsolutePath());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}