Class SOAPEncoder

soap-jakarta/src/main/java/feign/soap/SOAPEncoder.java:81–223

Encodes requests using SOAPMessage and JAXB for the body part. Basic example with Feign.Builder: public interface MyApi { @RequestLine("POST /getObject") @Headers({ "SOAPAction: getObject", "Content-Type: text/xml" }) MyJaxbObjectResponse getObject(MyJ

 * contexts.
 */
public class SOAPEncoder implements Encoder {

  private static final String DEFAULT_SOAP_PROTOCOL = SOAPConstants.SOAP_1_1_PROTOCOL;

  private final boolean writeXmlDeclaration;
  private final boolean formattedOutput;
  private final Charset charsetEncoding;
  private final JAXBContextFactory jaxbContextFactory;
  private final String soapProtocol;

  public SOAPEncoder(Builder builder) {
    this.jaxbContextFactory = builder.jaxbContextFactory;
    this.writeXmlDeclaration = builder.writeXmlDeclaration;
    this.charsetEncoding = builder.charsetEncoding;
    this.soapProtocol = builder.soapProtocol;
    this.formattedOutput = builder.formattedOutput;
  }

  public SOAPEncoder(JAXBContextFactory jaxbContextFactory) {
    this.jaxbContextFactory = jaxbContextFactory;
    this.writeXmlDeclaration = true;
    this.formattedOutput = false;
    this.charsetEncoding = StandardCharsets.UTF_8;
    this.soapProtocol = DEFAULT_SOAP_PROTOCOL;
  }

  @Override
  public void encode(Object object, Type bodyType, RequestTemplate template) {
    if (!(bodyType instanceof Class)) {
      throw new UnsupportedOperationException(
          "SOAP only supports encoding raw types. Found " + bodyType);
    }
    try {
      Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
      Marshaller marshaller = jaxbContextFactory.createMarshaller((Class<?>) bodyType);
      marshaller.marshal(object, document);
      SOAPMessage soapMessage = MessageFactory.newInstance(soapProtocol).createMessage();
      soapMessage.setProperty(
          SOAPMessage.WRITE_XML_DECLARATION, Boolean.toString(writeXmlDeclaration));
      soapMessage.setProperty(SOAPMessage.CHARACTER_SET_ENCODING, charsetEncoding.displayName());
      soapMessage.getSOAPBody().addDocument(document);

      soapMessage = modifySOAPMessage(soapMessage);

      ByteArrayOutputStream bos = new ByteArrayOutputStream();
      if (formattedOutput) {
        Transformer t = TransformerFactory.newInstance().newTransformer();
        t.setOutputProperty(OutputKeys.INDENT, "yes");
        t.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
        t.transform(new DOMSource(soapMessage.getSOAPPart()), new StreamResult(bos));
      } else {
        soapMessage.writeTo(bos);
      }
      template.body(bos.toString());
    } catch (SOAPException
        | JAXBException
        | ParserConfigurationException
        | IOException