Hoofdwerkstroom maken
De hoofdworkflow wordt geactiveerd wanneer de gebruiker het eerste formulier verzendt (RefinanceForm). Hier volgt de workflow
Forms opslaan om te ondertekenen is een aangepaste processtap.
De motivatie voor het uitvoeren van een stap van het douaneproces is een AEMWerkschema uit te breiden. De volgende code implementeert een aangepaste processtap. De code extraheert de namen van de formulieren om te ondertekenen en geeft de verzonden formuliergegevens door aan de insertData
in de service SignMultipleForms. De insertData
dan neemt de methode de rijen in het gegevensbestand op dat door de gegevensbron wordt geïdentificeerd vormgeving.
De code in deze stap van het douaneproces verwijst naar SignMultipleForms
service.
package com.aem.forms.signmultipleforms;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.StringWriter;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import javax.jcr.Node;
import javax.jcr.Session;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.xpath.XPath;
import org.apache.commons.io.IOUtils;
import org.osgi.framework.Constants;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import com.adobe.granite.workflow.WorkflowException;
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 = {
Constants.SERVICE_DESCRIPTION + "=StoreFormsToSign",
Constants.SERVICE_VENDOR + "=Adobe Systems",
"process.label" + "=StoreFormsToSign"
})
public class StoreFormsToSignWorkflowStep implements WorkflowProcess {
private static final Logger log = LoggerFactory.getLogger(StoreFormsToSignWorkflowStep.class);@Reference
SignMultipleForms signMultipleForms;
@Override
public void execute(WorkItem workItem, WorkflowSession workflowSession, MetaDataMap arg2) throws WorkflowException {
String payloadPath = workItem.getWorkflowData().getPayload().toString();
log.debug("The payload in StoreFormsToSign " + workItem.getWorkflowData().getPayload().toString());
String dataFilePath = payloadPath + "/Data.xml/jcr:content";
String serverURL = arg2.get("PROCESS_ARGS", "string").toString();
Session session = workflowSession.adaptTo(Session.class);
DocumentBuilderFactory factory = null;
DocumentBuilder builder = null;
Document xmlDocument = null;
Node xmlDataNode = null;
try {
xmlDataNode = session.getNode(dataFilePath);
InputStream xmlDataStream = xmlDataNode.getProperty("jcr:data").getBinary().getStream();
XPath xPath = javax.xml.xpath.XPathFactory.newInstance().newXPath();
factory = DocumentBuilderFactory.newInstance();
builder = factory.newDocumentBuilder();
xmlDocument = builder.parse(xmlDataStream);
org.w3c.dom.Node node = (org.w3c.dom.Node) xPath.compile("/afData/afUnboundData/data/formsToSign").evaluate(xmlDocument, javax.xml.xpath.XPathConstants.NODE);
log.debug("The form names to sign are t" + node.getTextContent());
String formNamesToSign[] = node.getTextContent().split(",");
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
DOMSource source = new DOMSource(xmlDocument);
StreamResult outputTarget = new StreamResult(outputStream);
TransformerFactory.newInstance().newTransformer().transform(source, outputTarget);
InputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
StringWriter writer = new StringWriter();
IOUtils.copy(inputStream, writer, Charset.defaultCharset());
String formData = writer.toString();
signMultipleForms.insertData(formNamesToSign, formData, serverURL, workItem, workflowSession);
}
catch(Exception e) {
log.debug(e.getMessage());
}
}
}
Assets
De workflow Meerdere Forms ondertekenen die in dit artikel wordt gebruikt, kan hier gedownload
Volgende stappen
Handtekeningstatus bijwerken bij ondertekening van document