/** Creates OMElement using error details. */
public static OMElement createDSFaultOM(String msg) {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMElement ele =
fac.createOMElement(new QName(DBConstants.WSO2_DS_NAMESPACE, DBConstants.DS_FAULT_ELEMENT));
ele.setText(msg);
return ele;
}
public OMElement buildXML() {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMElement confEl = fac.createOMElement("config", null);
if (this.getId() != null) {
confEl.addAttribute("id", this.getId(), null);
}
/* build properties */
Iterator<Property> iterator = this.getProperties().iterator();
while (iterator.hasNext()) {
Property property = iterator.next();
if (this.isUseSecretAliasForPassword()
&& (property.getName().equals(RDBMS.PASSWORD)
|| property.getName().equals(RDBMS_OLD.PASSWORD)
|| property.getName().equals(GSpread.PASSWORD)
|| property.getName().equals(JNDI.PASSWORD))) {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMElement propEl = factory.createOMElement("property", null);
propEl.addAttribute("name", property.getName(), null);
propEl.addAttribute("svns:secretAlias", (String) property.getValue(), null);
confEl.addChild(propEl);
} else {
if (property.buildXML() != null) {
confEl.addChild(property.buildXML());
}
}
}
return confEl;
}
private static boolean JARServiceTest() {
boolean JARServiceStatus = false;
OMElement result;
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace omNs = fac.createOMNamespace("http://ws.apache.org/axis2", "ns1");
OMElement payload = fac.createOMElement("echo", omNs);
OMElement value = fac.createOMElement("args0", omNs);
value.addChild(fac.createOMText(value, "Hello-World"));
payload.addChild(value);
ServiceClient serviceclient;
try {
serviceclient = new ServiceClient();
Options opts = new Options();
opts.setTo(new EndpointReference(HTTP_APPSERVER_STRATOSLIVE_URL + "/SimpleJarService"));
opts.setAction("echo");
// bypass http protocol exception
opts.setProperty(org.apache.axis2.transport.http.HTTPConstants.CHUNKED, Boolean.FALSE);
serviceclient.setOptions(opts);
result = serviceclient.sendReceive(payload);
if ((result.toString().indexOf("Hello-World")) > 0) {
JARServiceStatus = true;
}
assertTrue("Jar service invocation failed", JARServiceStatus);
} catch (AxisFault axisFault) {
log.error("Jar service invocation failed:" + axisFault.getMessage());
fail("Jar service invocation failed:" + axisFault.getMessage());
}
return JARServiceStatus;
}
@Override
public void connect(MessageContext messageContext) throws ConnectException {
String providerUrl = LDAPUtils.lookupContextParams(messageContext, LDAPConstants.PROVIDER_URL);
String dn = (String) getParameter(messageContext, "dn");
String password = (String) getParameter(messageContext, "password");
OMFactory factory = OMAbstractFactory.getOMFactory();
OMNamespace ns = factory.createOMNamespace(LDAPConstants.CONNECTOR_NAMESPACE, "ns");
OMElement result = factory.createOMElement("result", ns);
OMElement message = factory.createOMElement("message", ns);
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, providerUrl);
env.put(Context.SECURITY_PRINCIPAL, dn);
env.put(Context.SECURITY_CREDENTIALS, password);
org.apache.axis2.context.MessageContext axis2MessageContext =
((Axis2MessageContext) messageContext).getAxis2MessageContext();
boolean logged = false;
DirContext ctx = null;
try {
ctx = new InitialDirContext(env);
message.setText("Success");
result.addChild(message);
LDAPUtils.preparePayload(messageContext, result);
} catch (NamingException e) {
message.setText("Fail");
result.addChild(message);
LDAPUtils.preparePayload(messageContext, result);
}
}
private static void addPropertyElements(
OMFactory factory,
OMElement parent,
String className,
String description,
Map<String, String> properties) {
if (className != null) {
parent.addAttribute(UserCoreConstants.RealmConfig.ATTR_NAME_CLASS, className, null);
}
if (description != null) {
parent.addAttribute(UserCoreConstants.RealmConfig.CLASS_DESCRIPTION, description, null);
}
Iterator<Map.Entry<String, String>> ite = properties.entrySet().iterator();
while (ite.hasNext()) {
Map.Entry<String, String> entry = ite.next();
String name = entry.getKey();
String value = entry.getValue();
OMElement propElem =
factory.createOMElement(new QName(UserCoreConstants.RealmConfig.LOCAL_NAME_PROPERTY));
OMAttribute propAttr =
factory.createOMAttribute(UserCoreConstants.RealmConfig.ATTR_NAME_PROP_NAME, null, name);
propElem.addAttribute(propAttr);
propElem.setText(value);
parent.addChild(propElem);
}
}
OMElement buildReport(Message m) throws ServletException {
if (!verifyTables(m)) {
throw new ServletException("Missing Table");
}
System.out.println(index(m));
HashMap<String, HashMap<String, Object>> mm = m.toHashMap();
OMElement report = omFactory.createOMElement(new QName("XdsEvsResult"));
addParm(report, mm, "Test", "other", "Service");
addParm(report, mm, "Date", "main", "Timestamp");
addParm(report, mm, "Source", "http", "IP_address_From");
OMElement ele = omFactory.createOMElement(new QName("Target"));
ele.setText(localIPAddress());
report.addChild(ele);
addParm(report, mm, "Endpoint", "http", "URI_To");
addParm(report, mm, "Result", "main", "Pass");
addParm(report, mm, "LogEvent", "main", "MessageId");
addParm(report, mm, "Error", "error", "Error");
// System.out.println("errors are:\n" + mm.get("error"));
return report;
}
private OMElement getRSTTemplate() throws TrustException {
OMFactory omFac = OMAbstractFactory.getOMFactory();
OMElement element = omFac.createOMElement(SP11Constants.REQUEST_SECURITY_TOKEN_TEMPLATE);
if (ClientConstants.SAML_TOKEN_TYPE_20.equals(tokenType)) {
TrustUtil.createTokenTypeElement(RahasConstants.VERSION_05_02, element)
.setText(RahasConstants.TOK_TYPE_SAML_20);
} else if (ClientConstants.SAML_TOKEN_TYPE_11.equals(tokenType)) {
TrustUtil.createTokenTypeElement(RahasConstants.VERSION_05_02, element)
.setText(RahasConstants.TOK_TYPE_SAML_10);
}
if (ClientConstants.SUBJECT_CONFIRMATION_BEARER.equals(subjectConfirmationMethod)) {
TrustUtil.createKeyTypeElement(
RahasConstants.VERSION_05_02, element, RahasConstants.KEY_TYPE_BEARER);
} else if (ClientConstants.SUBJECT_CONFIRMATION_HOLDER_OF_KEY.equals(
subjectConfirmationMethod)) {
TrustUtil.createKeyTypeElement(
RahasConstants.VERSION_05_02, element, RahasConstants.KEY_TYPE_SYMM_KEY);
}
// request claims in the token.
OMElement claimElement =
TrustUtil.createClaims(RahasConstants.VERSION_05_02, element, claimDialect);
// Populate the <Claims/> element with the <ClaimType/> elements
addClaimType(claimElement, claimUris);
return element;
}
/**
* Contains the logic to create URITemplate XML Element from the swagger 2.0 resource.
*
* @param swaggerDocObject swagger document
* @return URITemplate element.
*/
private static List<OMElement> createURITemplateFromSwagger2(JsonObject swaggerDocObject) {
List<OMElement> uriTemplates = new ArrayList<>();
JsonObject paths = swaggerDocObject.get(SwaggerConstants.PATHS).getAsJsonObject();
Set<Map.Entry<String, JsonElement>> pathSet = paths.entrySet();
for (Map.Entry path : pathSet) {
JsonObject urlPattern = ((JsonElement) path.getValue()).getAsJsonObject();
String pathText = path.getKey().toString();
Set<Map.Entry<String, JsonElement>> operationSet = urlPattern.entrySet();
for (Map.Entry operationEntry : operationSet) {
OMElement uriTemplateElement = factory.createOMElement(URI_TEMPLATE, namespace);
OMElement urlPatternElement = factory.createOMElement(URL_PATTERN, namespace);
OMElement httpVerbElement = factory.createOMElement(HTTP_VERB, namespace);
OMElement authTypeElement = factory.createOMElement(AUTH_TYPE, namespace);
urlPatternElement.setText(pathText);
httpVerbElement.setText(operationEntry.getKey().toString());
uriTemplateElement.addChild(urlPatternElement);
uriTemplateElement.addChild(httpVerbElement);
uriTemplateElement.addChild(authTypeElement);
uriTemplates.add(uriTemplateElement);
}
}
return uriTemplates;
}
private OMElement handleSLORequest(MessageContext messageContext, LogoutRequest logoutRequest) {
// Get the session index from the SLORequest and remove the relevant session.
String sessionIndex = logoutRequest.getSessionIndexes().get(0).getSessionIndex();
String sessionId = CacheManager.getInstance().getSessionIndexMappingCache().get(sessionIndex);
if (sessionId != null) {
GatewayUtils.logWithRequestInfo(
log,
messageContext,
String.format(
"Found a session id (md5 : '%s')for the given session index in the SLO request: '%s'. Clearing the session",
GatewayUtils.getMD5Hash(sessionId), sessionIndex));
SessionStore.getInstance().removeSession(sessionId);
CacheManager.getInstance().getSessionIndexMappingCache().remove(sessionIndex);
} else {
GatewayUtils.logWithRequestInfo(
log,
messageContext,
String.format(
"Couldn't find a session id for the given session index : '%s'", sessionIndex));
}
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace ns = fac.createOMNamespace("http://wso2.org/appm", "appm");
OMElement payload = fac.createOMElement("SLOResponse", ns);
OMElement errorMessage = fac.createOMElement("message", ns);
errorMessage.setText("SLORequest has been successfully processed by WSO2 App Manager");
payload.addChild(errorMessage);
return payload;
}
/**
* Retrieve all entries from service.
*
* @return All entries of type Entry from the service.
* @exception FailureFaultException If an error communication with the service occurs.
*/
public Entry[] retrieve() throws FailureFaultException {
final String method = "retrieve";
OMFactory factory = OMAbstractFactory.getOMFactory();
OMNamespace namespace = factory.createOMNamespace(SERVICE, method);
// Create a request
OMElement request = factory.createOMElement("RetrieveRequest", namespace);
// Configure connection
Options options = new Options();
options.setTo(new EndpointReference(url.toString()));
options.setTransportInProtocol(Constants.TRANSPORT_HTTP);
options.setAction(method);
// Create a client
try {
ServiceClient client = new ServiceClient();
client.setOptions(options);
// Try send request and receive response, could throw AxisFault
OMElement response = client.sendReceive(request);
// Debug
printDebug("RESPONSE", response);
// Parse and return result
Entry[] result = XMLUtil.parseScores(response);
return result;
} catch (AxisFault e) {
throw new FailureFaultException("Exception from service: ", e);
}
}
public void addIds(
String strOperation, String strParamName, MessageContext synCtx, SynapseLog synLog) {
SOAPEnvelope envelope = synCtx.getEnvelope();
OMFactory fac = OMAbstractFactory.getOMFactory();
SOAPBody body = envelope.getBody();
Iterator<OMElement> bodyChildElements = body.getChildrenWithLocalName(strOperation);
if (bodyChildElements.hasNext()) {
try {
OMElement bodyElement = bodyChildElements.next();
Iterator<OMElement> cElements = bodyElement.getChildElements();
if (cElements != null && cElements.hasNext()) {
cElements.next();
}
String strSobject = (String) ConnectorUtils.lookupTemplateParamater(synCtx, strParamName);
OMElement sObjects = AXIOMUtil.stringToOM(strSobject);
Iterator<OMElement> sObject = sObjects.getChildElements();
OMNamespace omNsurn = fac.createOMNamespace("urn:partner.soap.sforce.com", "urn");
// Loops sObject
while (sObject.hasNext()) {
OMElement currentElement = sObject.next();
OMElement newElement = fac.createOMElement("ids", omNsurn);
// Add the fields
newElement.addChild(fac.createOMText(currentElement.getText()));
bodyElement.addChild(newElement);
}
} catch (Exception e) {
synLog.error("Saleforce adaptor - error injecting sObjects to payload : " + e);
}
}
}
public OMElement toOM() {
OMFactory omFactory = OMAbstractFactory.getOMFactory();
OMElement targetElement =
omFactory.createOMElement(
Constants.RULE_CONF_ELE_TARGET,
Constants.RULE_CONF_NAMESPACE,
Constants.RULE_CONF_NAMESPACE_PREFIX);
if (this.xpath != null) {
targetElement.addAttribute(Constants.RULE_CONF_ATTR_XPATH, this.xpath, null);
}
if (this.resultXpath != null) {
targetElement.addAttribute(Constants.RULE_CONF_ATTR_RESULT_XPATH, this.resultXpath, null);
}
if (this.action != null) {
targetElement.addAttribute(Constants.RULE_CONF_ATTR_ACTION, this.action, null);
}
if (this.value != null) {
targetElement.setText(this.value);
}
if (this.prefixToNamespaceMap != null) {
for (String prefix : this.prefixToNamespaceMap.keySet()) {
String nsURI = this.prefixToNamespaceMap.get(prefix);
targetElement.declareNamespace(nsURI, prefix);
}
}
return targetElement;
}
public static OMElement queryToOM(Query query) {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMElement queryChild =
factory.createOMElement(
new QName(
CEPConstants.CEP_CONF_NAMESPACE,
CEPConstants.CEP_CONF_ELE_QUERY,
CEPConstants.CEP_CONF_CEP_NAME_SPACE_PREFIX));
Expression queryExpression = query.getExpression();
String queryName = query.getName();
OMElement queryIP = null;
List<String> ipList = query.getIpList();
for (String ip : ipList) {
queryIP = factory.createOMElement(new QName(CEPConstants.CEP_CONF_QUERY_IP));
queryIP.setText(ip);
queryChild.addChild(queryIP);
}
queryChild.addAttribute(CEPConstants.CEP_CONF_ATTR_NAME, queryName, null);
OMElement omQueryExpression = ExpressionHelper.expressionToOM(queryExpression);
queryChild.addChild(omQueryExpression);
if (query.getOutput() != null) {
OMElement queryOutput = OutputHelper.outputToOM(query.getOutput());
queryChild.addChild(queryOutput);
}
return queryChild;
}
public void doGet(HttpServletRequest req, HttpServletResponse res) {
res.setContentType("application/download-xml-file");
String messageId = req.getParameter("message");
OMElement report = null;
try {
Message m = new Message(messageId);
m.readMessage();
report = buildReport(m);
} catch (LoggerException e) {
report = omFactory.createOMElement(new QName("NoReportAvailable"));
report.setText(e.getMessage().replaceAll("<", "<"));
} catch (ServletException e) {
report = omFactory.createOMElement(new QName("NoReportAvailable"));
report.setText(e.getMessage().replaceAll("<", "<"));
}
try {
res.getWriter().write(report.toString());
} catch (IOException e) {
}
}
/**
* This method will check whether the text can be optimizable using IS_BINARY flag. If that is set
* then we try to get the data handler.
*
* @param omContainer
* @param textType
* @return omNode
*/
private OMNode createOMText(OMContainer omContainer, int textType) {
if (dataHandlerReader != null && dataHandlerReader.isBinary()) {
Object dataHandlerObject;
if (dataHandlerReader.isDeferred()) {
dataHandlerObject = dataHandlerReader.getDataHandlerProvider();
} else {
try {
dataHandlerObject = dataHandlerReader.getDataHandler();
} catch (XMLStreamException ex) {
throw new OMException(ex);
}
}
OMText text = omfactory.createOMText(dataHandlerObject, dataHandlerReader.isOptimized());
String contentID = dataHandlerReader.getContentID();
if (contentID != null) {
text.setContentID(contentID);
}
omContainer.addChild(text);
return text;
} else {
// Some parsers (like Woodstox) parse text nodes lazily and may throw a
// RuntimeException in getText()
String text;
try {
text = parser.getText();
} catch (RuntimeException ex) {
parserException = ex;
throw ex;
}
return omfactory.createOMText(omContainer, text, textType);
}
}
private OMElement createCustomQuoteRequest(String symbol) {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMNamespace ns = factory.createOMNamespace("http://services.samples", "ns");
OMElement chkPrice = factory.createOMElement("CheckPriceRequest", ns);
OMElement code = factory.createOMElement("Code", ns);
chkPrice.addChild(code);
code.setText(symbol);
return chkPrice;
}
private OMElement getTextElement(String content) {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMElement textElement = factory.createOMElement(TEXT_ELEMENT);
if (content == null) {
content = "";
}
textElement.setText(content);
return textElement;
}
private static OMElement createPayLoad() {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace omNs = fac.createOMNamespace("http://service.carbon.wso2.org", "ns1");
OMElement method = fac.createOMElement("echoString", omNs);
OMElement value = fac.createOMElement("s", omNs);
value.addChild(fac.createOMText(value, "Hello World"));
method.addChild(value);
return method;
}
private static OMElement getRSTTemplate() throws Exception {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMElement elem = fac.createOMElement(SP11Constants.REQUEST_SECURITY_TOKEN_TEMPLATE);
TrustUtil.createTokenTypeElement(RahasConstants.VERSION_05_02, elem)
.setText(RahasConstants.TOK_TYPE_SAML_10);
TrustUtil.createKeyTypeElement(
RahasConstants.VERSION_05_02, elem, RahasConstants.KEY_TYPE_SYMM_KEY);
TrustUtil.createKeySizeElement(RahasConstants.VERSION_05_02, elem, 256);
return elem;
}
private static OMElement getPayload(String value) {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMNamespace ns =
factory.createOMNamespace("http://sample05.policy.samples.rampart.apache.org", "ns1");
OMElement elem = factory.createOMElement("echo", ns);
OMElement childElem = factory.createOMElement("param0", null);
childElem.setText(value);
elem.addChild(childElem);
return elem;
}
private OMElement createStandardSimpleRequest(String symbol) {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace omNs = fac.createOMNamespace("http://services.samples", "ns");
OMElement method = fac.createOMElement("getSimpleQuote", omNs);
OMElement value1 = fac.createOMElement("symbol", omNs);
value1.addChild(fac.createOMText(method, symbol));
method.addChild(value1);
return method;
}
private static OMElement getPingOMBlock(String text) {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace namespace = fac.createOMNamespace(applicationNamespaceName, "ns1");
OMElement pingElem = fac.createOMElement(ping, namespace);
OMElement textElem = fac.createOMElement(Text, namespace);
textElem.setText(text);
pingElem.addChild(textElem);
return pingElem;
}
public static OMElement CreatePayload() // this function create a message to send to server
{
OMFactory fac =
OMAbstractFactory
.getOMFactory(); // Create object(fac)from OM Factory this is used to create all the
// elements.
OMNamespace omns =
fac.createOMNamespace(
"http://ws.wso2.org/dataservice",
"b"); // creating namespace to assign to message, b = namespace
OMElement OP1 = fac.createOMElement("OP_Count", omns); // Operation name
return OP1;
}
private OMElement createPayload() {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace omNs = fac.createOMNamespace("http://localhost/my", "my");
OMElement rpcWrapEle = fac.createOMElement("echoMTOMtoBase64", omNs);
OMElement data = fac.createOMElement("data", omNs);
byte[] byteArray = new byte[] {13, 56, 65, 32, 12, 12, 7, 98};
DataHandler dataHandler = new DataHandler(new ByteArrayDataSource(byteArray));
expectedTextData = new OMTextImpl(dataHandler, true, fac);
data.addChild(expectedTextData);
rpcWrapEle.addChild(data);
return rpcWrapEle;
}
public static OMElement wrapBoxCarringResponse(OMElement result) {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMElement wrapperElement =
fac.createOMElement(
new QName(
DBConstants.WSO2_DS_NAMESPACE, DBConstants.DATA_SERVICE_RESPONSE_WRAPPER_ELEMENT));
if (result != null) {
wrapperElement.addChild(result);
}
OMDocument doc = fac.createOMDocument();
doc.addChild(wrapperElement);
return doc.getOMDocumentElement();
}
public final OMElement getParameters() {
OMFactory omFactory = OMAbstractFactory.getOMFactory();
OMElement parameters = omFactory.createOMElement("parameters", null);
for (Map.Entry<Integer, Integer> e : this.users.entrySet()) {
OMElement user = omFactory.createOMElement("user_item", null);
user.addAttribute("id", e.getKey().toString(), null);
user.addAttribute("version", e.getValue().toString(), null);
parameters.addChild(user);
}
return parameters;
}
private static OMElement getPayload() {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace omNs = fac.createOMNamespace("http://service.esb.wso2.org", "ns");
OMElement method = fac.createOMElement("add", omNs);
OMElement value1 = fac.createOMElement("x", omNs);
OMElement value2 = fac.createOMElement("y", omNs);
value1.addChild(fac.createOMText(value1, "10"));
value2.addChild(fac.createOMText(value2, "10"));
method.addChild(value1);
method.addChild(value2);
return method;
}
public OMElement getCEPPublisher(OMElement request) throws XMLStreamException {
request.build();
request.detach();
OMElement tenantId =
request.getFirstChildWithName(
new QName(
ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_TENANT_ID));
OMElement executionPlan =
request.getFirstChildWithName(
new QName(
ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_EXEC_PLAN));
OMElement requesterIp =
request.getFirstChildWithName(
new QName(
ManagerServiceConstants.NAMESPACE, ManagerServiceConstants.ELEMENT_REQUESTER_IP));
String key = getKey(executionPlan.getText(), tenantId.getText());
log.info("CEP Publisher requested for " + key);
Set<Endpoint> endpointSet = cepPublishers.get(key);
Endpoint selectedEndpoint = selectEndpoint(endpointSet, requesterIp.getText());
OMElement response =
factory.createOMElement(
ManagerServiceConstants.ELEMENT_CEP_PUBLISHER_RESPONSE, OMNamespace);
if (selectedEndpoint != null) {
OMElement hostNameElement =
factory.createOMElement(ManagerServiceConstants.ELEMENT_HOST_NAME, OMNamespace);
OMElement portElement =
factory.createOMElement(ManagerServiceConstants.ELEMENT_PORT, OMNamespace);
OMText hostNameText = factory.createOMText(hostNameElement, selectedEndpoint.getHostName());
OMText portText =
factory.createOMText(portElement, Integer.toString(selectedEndpoint.getPort()));
hostNameElement.addChild(hostNameText);
portElement.addChild(portText);
response.addChild(hostNameElement);
response.addChild(portElement);
log.info(
"Returning CEP Publisher:"
+ selectedEndpoint.getHostName()
+ ":"
+ selectedEndpoint.getPort());
} else {
log.warn("No CEP publishers registered " + key);
}
return response;
}
@Test(
groups = {"wso2.dss"},
invocationCount = 5,
dependsOnMethods = "testServiceDeployment")
public void selectOperation() throws AxisFault, XPathExpressionException {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace omNs = fac.createOMNamespace("http://www.w3.org/2005/08/addressing", "ns1");
OMElement payload = fac.createOMElement("getAllUsers", omNs);
OMElement result = new AxisServiceClient().sendReceive(payload, serviceUrl, "getAllUsers");
Assert.assertTrue(result.toString().contains("Will Smith"));
Assert.assertTrue(result.toString().contains("Denzel Washington"));
log.info("Service invocation success");
}
private OMElement getPayload(String value) {
OMFactory factory = null;
OMNamespace ns = null;
OMElement elem = null;
OMElement childElem = null;
factory = OMAbstractFactory.getOMFactory();
ns = factory.createOMNamespace("http://echo.services.core.carbon.wso2.org", "ns");
elem = factory.createOMElement("echoString", ns);
childElem = factory.createOMElement("in", null);
childElem.setText(value);
elem.addChild(childElem);
return elem;
}