コアコンポーネントベースのフォーム送信のデータを使用して PDF を生成する方法

import org.slf4j.LoggerFactory;
import com.adobe.granite.workflow.WorkflowException;
import java.io.InputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import javax.jcr.Node;
import javax.jcr.Session;
import org.json.JSONObject;
import org.json.XML;
import org.slf4j.Logger;
import org.osgi.service.component.annotations.Component;
import com.adobe.granite.workflow.WorkflowSession;
import com.adobe.granite.workflow.exec.WorkItem;
import com.adobe.granite.workflow.exec.WorkflowProcess;
import com.adobe.granite.workflow.metadata.MetaDataMap;

@Component(property = {
    "service.description=Convert JSON to XML",
    "process.label=Convert JSON to XML"
})
public class ConvertJSONToXML implements WorkflowProcess {

    private static final Logger log = LoggerFactory.getLogger(ConvertJSONToXML.class);

    @Override
    public void execute(final WorkItem workItem, final WorkflowSession workflowSession, final MetaDataMap arg2) throws WorkflowException {
        String processArgs = arg2.get("PROCESS_ARGS", "string");
        log.debug("The process argument I got was " + processArgs);

        String submittedDataFile = processArgs;
        String payloadPath = workItem.getWorkflowData().getPayload().toString();
        log.debug("The payload in convert json to xml " + payloadPath);

        String dataFilePath = payloadPath + "/" + submittedDataFile + "/jcr:content";
        try {
            Session session = workflowSession.adaptTo(Session.class);
            Node submittedJsonDataNode = session.getNode(dataFilePath);
            InputStream jsonDataStream = submittedJsonDataNode.getProperty("jcr:data").getBinary().getStream();
            BufferedReader streamReader = new BufferedReader(new InputStreamReader(jsonDataStream, "UTF-8"));
            StringBuilder stringBuilder = new StringBuilder();
            String inputStr;
            while ((inputStr = streamReader.readLine()) != null) {
                stringBuilder.append(inputStr);
            }
            JSONObject submittedJson = new JSONObject(stringBuilder.toString());
            log.debug(submittedJson.toString());

            String xmlString = XML.toString(submittedJson);
            log.debug("The json converted to XML " + xmlString);

            MetaDataMap metaDataMap = workItem.getWorkflow().getWorkflowData().getMetaDataMap();
            metaDataMap.put("xmlData", xmlString);
        } catch (Exception e) {
            log.error("Error converting JSON to XML: " + e.getMessage(), e);
        }
    }
}