条形码Forms服务 barcoded-forms-service

<%@ page import="java.util.List,
                com.adobe.fd.bcf.api.BarcodedFormsService,
                com.adobe.fd.bcf.api.CharSet,
                com.adobe.fd.bcf.api.Delimiter,
                com.adobe.fd.bcf.api.XMLFormat,
                com.adobe.aemfd.docmanager.Document,
                javax.xml.transform.Transformer,
                javax.xml.transform.TransformerFactory,
                java.io.StringWriter,
                javax.xml.transform.stream.StreamResult,
                javax.xml.transform.dom.DOMSource,
                javax.servlet.jsp.JspWriter,
                org.apache.commons.lang.StringEscapeUtils" %><%
%><%@taglib prefix="sling" uri="https://sling.apache.org/taglibs/sling/1.0" %><%
%><sling:defineObjects/><%

 // Get reference to BarcodedForms OSGi service.
 // Within an OSGi bundle @Reference annotation
 // can be used to retrieve service reference

 BarcodedFormsService bcfService = sling.getService(BarcodedFormsService.class);

 // Path to image containing barcodes in AEM repository.
 // Replace this with path to image in your repository
 String documentPath = "/content/dam/TestImage-010.tif";

 // Create a Docmanager Document object for
 // the tiff file containing barcode
 // See Docmanager Document javadoc for
 // more details
 Document inputDoc = new Document(documentPath);

 // Invoke decode operation of barcoded forms service
 // Second parameter is set to true to decode PDF417 barcode symbology
 // See javadoc for details of parameters

 org.w3c.dom.Document result = bcfService.decode(inputDoc, // Input Document Object
                                                    true,
                                                    false,
                                                    false,
                                                    false,
                                                    false,
                                                    false,
                                                    false,
                                                    false,
                                                    CharSet.UTF_8);// use UTF-8 character encoding

 out.println("<h2> Output Returned from decode operation </h2>");
 printDoc(result,out);

 // Invoke extractToXML to convert Carriage
 // return / Tab delimited data to XML

 List<org.w3c.dom.Document> listResult = bcfService.extractToXML(result, // w3c document from the output of decode operation
                                                                    Delimiter.Carriage_Return, // Lines are separated using "\r"
                                                                    Delimiter.Tab, // Fields are separated using "\t"
                                                                    XMLFormat.XDP); // wraps generated XML in <xdp:xdp> packet

 out.println("<h2> Output returned from extractToXML </h2>");
 printDoc(listResult.get(0),out);

%><%!

 // helper function to convert w3c document to string

 String convertToString(org.w3c.dom.Document inputDoc) throws Exception {
   TransformerFactory tf = TransformerFactory.newInstance();
   Transformer tr = tf.newTransformer();
   StringWriter sw = new StringWriter();
   StreamResult sr = new StreamResult(sw);
   tr.transform(new DOMSource(inputDoc), sr);
   return sw.toString();
 }

 // helper function to render XML to response

 void printDoc(org.w3c.dom.Document inputDoc,JspWriter out) throws Exception {
   String escapedString = StringEscapeUtils.escapeHtml(convertToString(inputDoc));
   out.println(escapedString);
 }

%>