public static OMElement serializeHandlerConfiguration(HandlerConfigurationBean bean) {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMElement handler = factory.createOMElement("handler", null);
handler.addAttribute(factory.createOMAttribute("class", null, bean.getHandlerClass()));
if (bean.getTenant() != null) {
handler.addAttribute(factory.createOMAttribute("tenant", null, bean.getTenant()));
}
StringBuilder sb = new StringBuilder();
for (String method : bean.getMethods()) {
if (method != null && method.length() > 0) {
sb.append(method).append(",");
}
}
// Remove last ","
if (sb.length() > 0) {
sb.deleteCharAt(sb.length() - 1);
handler.addAttribute(factory.createOMAttribute("methods", null, sb.toString()));
}
for (String property : bean.getPropertyList()) {
OMElement temp = factory.createOMElement("property", null);
temp.addAttribute(factory.createOMAttribute("name", null, property));
OMElement xmlProperty = bean.getXmlProperties().get(property);
if (xmlProperty != null) {
// The serialization happens by adding the whole XML property value to the
// bean.
// Therefore if it is a XML property, we take that whole element.
handler.addChild(xmlProperty);
} else {
String nonXMLProperty = bean.getNonXmlProperties().get(property);
if (nonXMLProperty != null) {
temp.setText(nonXMLProperty);
handler.addChild(temp);
}
}
}
OMElement filter = factory.createOMElement("filter", null);
filter.addAttribute(
factory.createOMAttribute("class", null, bean.getFilter().getFilterClass()));
for (String property : bean.getFilter().getPropertyList()) {
OMElement temp = factory.createOMElement("property", null);
temp.addAttribute(factory.createOMAttribute("name", null, property));
OMElement xmlProperty = bean.getFilter().getXmlProperties().get(property);
if (xmlProperty != null) {
temp.addAttribute(factory.createOMAttribute("type", null, "xml"));
temp.addChild(xmlProperty);
filter.addChild(temp);
} else {
String nonXMLProperty = bean.getFilter().getNonXmlProperties().get(property);
if (nonXMLProperty != null) {
temp.setText(nonXMLProperty);
filter.addChild(temp);
}
}
}
handler.addChild(filter);
return handler;
}
/**
* Creates endpoint element for REST service
*
* @param requestContext information about current request.
* @param wadlElement wadl document.
* @param version wadl version.
* @return Endpoint Path.
* @throws RegistryException If fails to create endpoint element.
*/
private String createEndpointElement(
RequestContext requestContext, OMElement wadlElement, String version)
throws RegistryException {
OMNamespace wadlNamespace = wadlElement.getNamespace();
String wadlNamespaceURI = wadlNamespace.getNamespaceURI();
String wadlNamespacePrefix = wadlNamespace.getPrefix();
OMElement resourcesElement =
wadlElement.getFirstChildWithName(
new QName(wadlNamespaceURI, "resources", wadlNamespacePrefix));
if (resourcesElement != null) {
String endpointUrl = resourcesElement.getAttributeValue(new QName("base"));
if (endpointUrl != null) {
String endpointPath = EndpointUtils.deriveEndpointFromUrl(endpointUrl);
String endpointName = EndpointUtils.deriveEndpointNameFromUrl(endpointUrl);
String endpointContent =
EndpointUtils.getEndpointContentWithOverview(
endpointUrl, endpointPath, endpointName, version);
OMElement endpointElement;
try {
endpointElement = AXIOMUtil.stringToOM(endpointContent);
} catch (XMLStreamException e) {
throw new RegistryException("Error in creating the endpoint element. ", e);
}
return RESTServiceUtils.addEndpointToRegistry(
requestContext, endpointElement, endpointPath);
} else {
log.warn("Base path does not exist. endpoint creation may fail. ");
}
} else {
log.warn("Resources element is null. ");
}
return null;
}
private OMElement resolveImports(
OMElement grammarsElement, String wadlBaseUri, String wadlVersion) throws RegistryException {
String wadlNamespace = grammarsElement.getNamespace().getNamespaceURI();
Iterator<OMElement> grammarElements =
grammarsElement.getChildrenWithName(new QName(wadlNamespace, "include"));
while (grammarElements.hasNext()) {
OMElement childElement = grammarElements.next();
OMAttribute refAttr = childElement.getAttribute(new QName("href"));
String importUrl = refAttr.getAttributeValue();
if (importUrl.endsWith(".xsd")) {
if (!importUrl.startsWith("http")) {
if (registry.resourceExists(importUrl)) {
continue;
} else {
if (wadlBaseUri != null) {
importUrl = wadlBaseUri + importUrl;
}
}
}
String schemaPath = saveSchema(importUrl, wadlVersion);
importedSchemas.add(schemaPath);
refAttr.setAttributeValue(schemaPath);
childElement.addAttribute(refAttr);
}
}
return grammarsElement;
}
public static boolean addHandler(Registry configSystemRegistry, String payload)
throws RegistryException, XMLStreamException {
String name;
OMElement element = AXIOMUtil.stringToOM(payload);
if (element != null) {
name = element.getAttributeValue(new QName("class"));
} else return false;
if (isHandlerNameInUse(name))
throw new RegistryException("The added handler name is already in use!");
String path = getContextRoot() + name;
Resource resource;
if (!handlerExists(configSystemRegistry, name)) {
resource = new ResourceImpl();
} else {
throw new RegistryException("The added handler name is already in use!");
}
resource.setContent(payload);
try {
configSystemRegistry.beginTransaction();
configSystemRegistry.put(path, resource);
generateHandler(configSystemRegistry, path);
configSystemRegistry.commitTransaction();
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to generate handler", e);
}
return true;
}
public static boolean generateHandler(Registry configSystemRegistry, String resourceFullPath)
throws RegistryException, XMLStreamException {
RegistryContext registryContext = configSystemRegistry.getRegistryContext();
if (registryContext == null) {
return false;
}
Resource resource = configSystemRegistry.get(resourceFullPath);
if (resource != null) {
String content = null;
if (resource.getContent() != null) {
content = RegistryUtils.decodeBytes((byte[]) resource.getContent());
}
if (content != null) {
OMElement handler = AXIOMUtil.stringToOM(content);
if (handler != null) {
OMElement dummy = OMAbstractFactory.getOMFactory().createOMElement("dummy", null);
dummy.addChild(handler);
try {
configSystemRegistry.beginTransaction();
boolean status =
RegistryConfigurationProcessor.updateHandler(
dummy,
configSystemRegistry.getRegistryContext(),
HandlerLifecycleManager.USER_DEFINED_HANDLER_PHASE);
configSystemRegistry.commitTransaction();
return status;
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to add handler", e);
}
}
}
}
return false;
}
private OMElement getTextElement(String content) {
OMFactory factory = OMAbstractFactory.getOMFactory();
OMElement textElement = factory.createOMElement(TEXT_ELEMENT);
if (content == null) {
content = "";
}
textElement.setText(content);
return textElement;
}
public static OMElement getChildWithName(OMElement head, String widgetName, String namespace) {
String adjustedName = getDataElementName(widgetName);
if (adjustedName == null) {
return null;
}
OMElement child = head.getFirstChildWithName(new QName(namespace, adjustedName));
if (child == null) {
// this piece of code is for the backward compatibility
child = head.getFirstChildWithName(new QName(null, widgetName.replaceAll(" ", "-")));
}
return child;
}
/**
* Replaces the payload format with property values from messageContext.
*
* @param format
* @param resultCTX
* @param synCtx
*/
private void replaceCTX(String format, StringBuffer resultCTX, MessageContext synCtx) {
Matcher ctxMatcher;
if (mediaType != null && (mediaType.equals(JSON_TYPE) || mediaType.equals(TEXT_TYPE))) {
ctxMatcher = ctxPattern.matcher(format);
} else {
ctxMatcher = ctxPattern.matcher("<pfPadding>" + format + "</pfPadding>");
}
while (ctxMatcher.find()) {
String ctxMatchSeq = ctxMatcher.group();
String expressionTxt = ctxMatchSeq.substring(5, ctxMatchSeq.length());
String replaceValue = synCtx.getProperty(expressionTxt).toString();
if (mediaType.equals(JSON_TYPE) && inferReplacementType(replaceValue).equals(XML_TYPE)) {
// XML to JSON conversion here
try {
replaceValue = "<jsonObject>" + replaceValue + "</jsonObject>";
OMElement omXML = AXIOMUtil.stringToOM(replaceValue);
replaceValue = JsonUtil.toJsonString(omXML).toString();
} catch (XMLStreamException e) {
handleException(
"Error parsing XML for JSON conversion, please check your property values return valid XML: ",
synCtx);
} catch (AxisFault e) {
handleException("Error converting XML to JSON", synCtx);
}
} else if (mediaType.equals(XML_TYPE)
&& inferReplacementType(replaceValue).equals(JSON_TYPE)) {
// JSON to XML conversion here
try {
OMElement omXML = JsonUtil.toXml(IOUtils.toInputStream(replaceValue), false);
if (JsonUtil.isAJsonPayloadElement(omXML)) { // remove <jsonObject/> from result.
Iterator children = omXML.getChildElements();
String childrenStr = "";
while (children.hasNext()) {
childrenStr += (children.next()).toString().trim();
}
replaceValue = childrenStr;
} else {
replaceValue = omXML.toString();
}
} catch (AxisFault e) {
handleException(
"Error converting JSON to XML, please check your property values return valid JSON: ",
synCtx);
}
}
ctxMatcher.appendReplacement(resultCTX, replaceValue);
}
ctxMatcher.appendTail(resultCTX);
}
public static OMElement buildOMElement(String payload) throws RegistryException {
OMElement element;
try {
element = AXIOMUtil.stringToOM(payload);
element.build();
} catch (Exception e) {
String message =
"Unable to parse the XML configuration. Please validate the XML configuration";
log.error(message, e);
throw new RegistryException(message, e);
}
return element;
}
public static String getNameFromContent(OMElement head) {
OMElement overview = head.getFirstChildWithName(new QName("Overview"));
if (overview != null) {
return overview.getFirstChildWithName(new QName("Name")).getText();
}
overview =
head.getFirstChildWithName(new QName(UIGeneratorConstants.DATA_NAMESPACE, "overview"));
if (overview != null) {
return overview
.getFirstChildWithName(new QName(UIGeneratorConstants.DATA_NAMESPACE, "name"))
.getText();
}
return null;
}
private boolean checkAndReplaceEnvelope(OMElement resultElement, MessageContext synCtx) {
OMElement firstChild = resultElement.getFirstElement();
QName resultQName = firstChild.getQName();
if (resultQName.getLocalPart().equals("Envelope")
&& (resultQName.getNamespaceURI().equals(SOAP11Constants.SOAP_ENVELOPE_NAMESPACE_URI)
|| resultQName.getNamespaceURI().equals(SOAP12Constants.SOAP_ENVELOPE_NAMESPACE_URI))) {
SOAPEnvelope soapEnvelope = AXIOMUtils.getSOAPEnvFromOM(resultElement.getFirstElement());
if (soapEnvelope != null) {
try {
soapEnvelope.buildWithAttachments();
synCtx.setEnvelope(soapEnvelope);
} catch (AxisFault axisFault) {
handleException("Unable to attach SOAPEnvelope", axisFault, synCtx);
}
}
} else {
return false;
}
return true;
}
private boolean mediate(MessageContext synCtx, String format) {
if (!isDoingXml(synCtx) && !isDoingJson(synCtx)) {
log.error(
"#mediate. Could not identify the payload format of the existing payload prior to mediate.");
return false;
}
org.apache.axis2.context.MessageContext axis2MessageContext =
((Axis2MessageContext) synCtx).getAxis2MessageContext();
StringBuffer result = new StringBuffer();
StringBuffer resultCTX = new StringBuffer();
regexTransformCTX(resultCTX, synCtx, format);
replace(resultCTX.toString(), result, synCtx);
String out = result.toString().trim();
if (log.isDebugEnabled()) {
log.debug("#mediate. Transformed payload format>>> " + out);
}
if (mediaType.equals(XML_TYPE)) {
try {
JsonUtil.removeJsonPayload(axis2MessageContext);
OMElement omXML = AXIOMUtil.stringToOM(out);
if (!checkAndReplaceEnvelope(
omXML,
synCtx)) { // check if the target of the PF 'format' is the entire SOAP envelop, not
// just the body.
axis2MessageContext.getEnvelope().getBody().addChild(omXML.getFirstElement());
}
} catch (XMLStreamException e) {
handleException("Error creating SOAP Envelope from source " + out, synCtx);
}
} else if (mediaType.equals(JSON_TYPE)) {
JsonUtil.newJsonPayload(axis2MessageContext, out, true, true);
} else if (mediaType.equals(TEXT_TYPE)) {
JsonUtil.removeJsonPayload(axis2MessageContext);
axis2MessageContext.getEnvelope().getBody().addChild(getTextElement(out));
}
// need to honour a content-type of the payload media-type as output from the payload
// {re-merging patch https://wso2.org/jira/browse/ESBJAVA-3014}
setContentType(synCtx);
return true;
}
/**
* Calls the replaceCTX function. isFormatDynamic check is used to remove indentations which come
* from registry based configurations.
*
* @param resultCTX
* @param synCtx
* @param format
*/
private void regexTransformCTX(StringBuffer resultCTX, MessageContext synCtx, String format) {
if (isFormatDynamic()) {
String key = formatKey.evaluateValue(synCtx);
Object entry = synCtx.getEntry(key);
if (entry == null) {
handleException("Key " + key + " not found ", synCtx);
}
String text = "";
if (entry instanceof OMElement) {
OMElement e = (OMElement) entry;
removeIndentations(e);
text = e.toString();
} else if (entry instanceof OMText) {
text = ((OMText) entry).getText();
} else if (entry instanceof String) {
text = (String) entry;
}
replaceCTX(text, resultCTX, synCtx);
} else {
replaceCTX(format, resultCTX, synCtx);
}
}
public static List<OMElement> getChildsWithName(
OMElement head, String widgetName, String namespace) {
String adjustedName = getDataElementName(widgetName);
if (adjustedName == null) {
return null;
}
List<OMElement> list = new ArrayList<OMElement>();
Iterator headingList = head.getChildrenWithName(new QName(namespace, adjustedName));
while (headingList.hasNext()) {
OMElement subheading = (OMElement) headingList.next();
list.add(subheading);
}
return list;
}
/**
* Helper function to remove indentations.
*
* @param element
* @param removables
*/
private void removeIndentations(OMElement element, List<OMText> removables) {
Iterator children = element.getChildren();
while (children.hasNext()) {
Object next = children.next();
if (next instanceof OMText) {
OMText text = (OMText) next;
if (text.getText().trim().equals("")) {
removables.add(text);
}
} else if (next instanceof OMElement) {
removeIndentations((OMElement) next, removables);
}
}
}
public static OMElement addExtraElements(OMElement data, HttpServletRequest request) {
OMFactory fac = OMAbstractFactory.getOMFactory();
// adding required fields at the top of the xml which will help to easily read in service side
OMElement operation = fac.createOMElement("operation", null);
OMElement currentName = fac.createOMElement("currentName", null);
OMElement currentNamespace = fac.createOMElement("currentNamespace", null);
String operationValue = request.getParameter("operation");
if (operationValue != null) {
operation.setText(operationValue);
data.addChild(operation);
}
String name = request.getParameter("currentname");
if (name != null) {
currentName.setText(name);
data.addChild(currentName);
}
String namespace = request.getParameter("currentnamespace");
if (namespace != null) {
currentNamespace.setText(namespace);
data.addChild(currentNamespace);
}
return data;
}
/*
* This method is used to capture the lifecycle attribute from the configuration.
*
* expected configuration elements are
*
* <field type="options">
<name label="Lifecycle Name" >Lifecycle Name</name>
<values class="org.wso2.carbon.governance.generic.ui.utils.LifecycleListPopulator"/>
</field>
*
* or
*
* <field type="options">
<name label="Lifecycle Name" >Lifecycle Name</name>
<values class="com.foo.bar.LifecycleListPopulator" isLifecycle="true"/>
</field>
* */
private static String BuilLifecycleAttribute(
GovernanceArtifactConfiguration configuration,
String defaultLifecycleGeneratorClass,
String lifecycleAttribute) {
try {
// This part checks whether the user has given a lifecycle populates.
// If not, then we check whether there is an attribute called, "isLifecycle"
// This attribute will identify the lifecycle attribute from the configuration.
OMElement configurationElement = configuration.getContentDefinition();
String xpathExpression = "//@class";
AXIOMXPath xpath = new AXIOMXPath(xpathExpression);
List resultNodes = xpath.selectNodes(configurationElement);
if (resultNodes != null && resultNodes.size() > 0) {
String lifecycleParentName = null;
String lifecycleName = null;
for (Object resultNode : resultNodes) {
OMElement parentElement = ((OMAttribute) resultNode).getOwner();
if (parentElement
.getAttributeValue(new QName("class"))
.equals(defaultLifecycleGeneratorClass)) {
Iterator childrenIterator = parentElement.getParent().getChildrenWithLocalName("name");
while (childrenIterator.hasNext()) {
OMElement next = (OMElement) childrenIterator.next();
lifecycleName = next.getAttributeValue(new QName("label"));
}
OMElement rootElement = (OMElement) ((OMElement) parentElement.getParent()).getParent();
lifecycleParentName = rootElement.getAttributeValue(new QName("name"));
break;
} else if (parentElement.getAttributeValue(new QName("isLifecycle")) != null
&& parentElement.getAttributeValue(new QName("isLifecycle")).equals("true")) {
Iterator childrenIterator = parentElement.getParent().getChildrenWithLocalName("name");
while (childrenIterator.hasNext()) {
OMElement next = (OMElement) childrenIterator.next();
lifecycleName = next.getAttributeValue(new QName("label"));
}
OMElement rootElement = (OMElement) ((OMElement) parentElement.getParent()).getParent();
lifecycleParentName = rootElement.getAttributeValue(new QName("name"));
break;
}
}
if (lifecycleParentName != null && lifecycleName != null) {
return convertName(lifecycleParentName.split(" "))
+ "_"
+ convertName(lifecycleName.split(" "));
}
}
} catch (OMException e) {
log.error(
"Governance artifact configuration of configuration key:"
+ configuration.getKey()
+ " is invalid",
e);
} catch (JaxenException e) {
log.error("Error in getting the lifecycle attribute", e);
}
return null;
}
public static HandlerConfigurationBean deserializeHandlerConfiguration(
OMElement configurationElement) {
if (configurationElement == null || !"handler".equals(configurationElement.getLocalName())) {
return null;
}
HandlerConfigurationBean handlerConfigurationBean = new HandlerConfigurationBean();
handlerConfigurationBean.setHandlerClass(
configurationElement.getAttributeValue(new QName("class")));
handlerConfigurationBean.setTenant(configurationElement.getAttributeValue(new QName("tenant")));
String methodsAttribute = configurationElement.getAttributeValue(new QName("methods"));
if (methodsAttribute != null && methodsAttribute.length() != 0) {
handlerConfigurationBean.setMethods(methodsAttribute.split(","));
}
@SuppressWarnings("unchecked")
Iterator<OMElement> handlerProps =
configurationElement.getChildrenWithName(new QName("property"));
while (handlerProps.hasNext()) {
OMElement propElement = handlerProps.next();
String propName = propElement.getAttributeValue(new QName("name"));
String propType = propElement.getAttributeValue(new QName("type"));
if (propType != null && "xml".equals(propType)) {
handlerConfigurationBean.getXmlProperties().put(propName, propElement);
} else {
handlerConfigurationBean.getNonXmlProperties().put(propName, propElement.getText());
}
handlerConfigurationBean.getPropertyList().add(propName);
}
FilterConfigurationBean filterConfigurationBean = new FilterConfigurationBean();
OMElement filterElement = configurationElement.getFirstChildWithName(new QName("filter"));
filterConfigurationBean.setFilterClass(filterElement.getAttributeValue(new QName("class")));
@SuppressWarnings("unchecked")
Iterator<OMElement> filterProps = filterElement.getChildrenWithName(new QName("property"));
while (filterProps.hasNext()) {
OMElement propElement = filterProps.next();
String propName = propElement.getAttributeValue(new QName("name"));
String propType = propElement.getAttributeValue(new QName("type"));
if (propType != null && "xml".equals(propType)) {
filterConfigurationBean.getXmlProperties().put(propName, propElement);
} else {
filterConfigurationBean.getNonXmlProperties().put(propName, propElement.getText());
}
filterConfigurationBean.getPropertyList().add(propName);
}
handlerConfigurationBean.setFilter(filterConfigurationBean);
return handlerConfigurationBean;
}
public static void buildMenuItems(HttpServletRequest request, String s, String s1, String s2) {
int menuOrder = 50;
if (CarbonUIUtil.isUserAuthorized(request, "/permission/admin/manage/resources/ws-api")) {
HttpSession session = request.getSession();
String cookie = (String) session.getAttribute(ServerConstants.ADMIN_SERVICE_COOKIE);
try {
WSRegistryServiceClient registry = new WSRegistryServiceClient(s2, cookie);
List<GovernanceArtifactConfiguration> configurations =
GovernanceUtils.findGovernanceArtifactConfigurations(registry);
Map<String, String> customAddUIMap = new LinkedHashMap<String, String>();
Map<String, String> customViewUIMap = new LinkedHashMap<String, String>();
List<Menu> userCustomMenuItemsList = new LinkedList<Menu>();
for (GovernanceArtifactConfiguration configuration : configurations) {
Component component = new Component();
OMElement uiConfigurations = configuration.getUIConfigurations();
String key = configuration.getKey();
String configurationPath =
RegistryConstants.CONFIG_REGISTRY_BASE_PATH
+ RegistryConstants.GOVERNANCE_COMPONENT_PATH
+ "/configuration/";
String layoutStoragePath = configurationPath + key;
RealmService realmService = registry.getRegistryContext().getRealmService();
if (realmService
.getTenantUserRealm(realmService.getTenantManager().getTenantId(s1))
.getAuthorizationManager()
.isUserAuthorized(s, configurationPath, ActionConstants.PUT)
|| registry.resourceExists(layoutStoragePath)) {
List<Menu> menuList = component.getMenusList();
if (uiConfigurations != null) {
ComponentBuilder.processMenus("artifactType", uiConfigurations, component);
ComponentBuilder.processCustomUIs(uiConfigurations, component);
}
if (menuList.size() == 0) {
// if no menu definitions were present, define the default ones.
menuOrder = buildMenuList(request, configuration, menuList, key, menuOrder);
}
userCustomMenuItemsList.addAll(menuList);
customAddUIMap.putAll(component.getCustomAddUIMap());
Map<String, String> viewUIMap = component.getCustomViewUIMap();
if (viewUIMap.isEmpty()) {
// if no custom UI definitions were present, define the default.
buildViewUI(configuration, viewUIMap, key);
}
customViewUIMap.putAll(viewUIMap);
OMElement layout = configuration.getContentDefinition();
if (layout != null && !registry.resourceExists(layoutStoragePath)) {
Resource resource = registry.newResource();
resource.setContent(RegistryUtils.encodeString(layout.toString()));
resource.setMediaType("application/xml");
registry.put(layoutStoragePath, resource);
}
}
}
session.setAttribute(
MenuAdminClient.USER_CUSTOM_MENU_ITEMS,
userCustomMenuItemsList.toArray(new Menu[userCustomMenuItemsList.size()]));
session.setAttribute("customAddUI", customAddUIMap);
session.setAttribute("customViewUI", customViewUIMap);
} catch (RegistryException e) {
log.error("unable to create connection to registry");
} catch (org.wso2.carbon.user.api.UserStoreException e) {
log.error("unable to realm service");
}
}
}
public static boolean updateHandler(Registry configSystemRegistry, String oldName, String payload)
throws RegistryException, XMLStreamException {
if (isHandlerNameInUse(oldName))
throw new RegistryException("Could not update handler since it is already in use!");
String newName = null;
OMElement element = AXIOMUtil.stringToOM(payload);
if (element != null) {
newName = element.getAttributeValue(new QName("class"));
}
if (newName == null || newName.equals("")) return false; // invalid configuration
if (oldName == null || oldName.equals("")) {
String path = getContextRoot() + newName;
Resource resource;
if (handlerExists(configSystemRegistry, newName)) {
return false; // we are adding a new handler
} else {
resource = new ResourceImpl();
}
resource.setContent(payload);
try {
configSystemRegistry.beginTransaction();
configSystemRegistry.put(path, resource);
generateHandler(configSystemRegistry, path);
configSystemRegistry.commitTransaction();
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to generate handler", e);
}
return true;
}
if (newName.equals(oldName)) {
// updating the rest of the content
String oldPath = getContextRoot() + oldName;
Resource resource;
if (handlerExists(configSystemRegistry, oldName)) {
resource = configSystemRegistry.get(oldPath);
} else {
resource = new ResourceImpl(); // will this ever happen?
}
resource.setContent(payload);
try {
configSystemRegistry.beginTransaction();
removeHandler(configSystemRegistry, oldName);
configSystemRegistry.put(oldPath, resource);
generateHandler(configSystemRegistry, oldPath);
configSystemRegistry.commitTransaction();
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to generate handler", e);
}
return true;
} else {
String oldPath = getContextRoot() + oldName;
String newPath = getContextRoot() + newName;
if (handlerExists(configSystemRegistry, newName)) {
return false; // we are trying to use the name of a existing handler
}
Resource resource;
if (handlerExists(configSystemRegistry, oldName)) {
resource = configSystemRegistry.get(oldPath);
} else {
resource = new ResourceImpl(); // will this ever happen?
}
resource.setContent(payload);
try {
configSystemRegistry.beginTransaction();
configSystemRegistry.put(newPath, resource);
generateHandler(configSystemRegistry, newPath);
removeHandler(configSystemRegistry, oldName);
configSystemRegistry.delete(oldPath);
configSystemRegistry.commitTransaction();
} catch (Exception e) {
configSystemRegistry.rollbackTransaction();
throw new RegistryException("Unable to renew handler", e);
}
return true;
}
}
public static String getRXTKeyFromContent(String payload) throws RegistryException {
OMElement element = buildOMElement(payload);
return element.getAttributeValue(new QName("shortName"));
}
/**
* Replaces the payload format with SynapsePath arguments which are evaluated using
* getArgValues().
*
* @param format
* @param result
* @param synCtx
*/
private void replace(String format, StringBuffer result, MessageContext synCtx) {
HashMap<String, String>[] argValues = getArgValues(synCtx);
HashMap<String, String> replacement;
Map.Entry<String, String> replacementEntry;
String replacementValue = null;
Matcher matcher;
matcher = pattern.matcher(format);
try {
while (matcher.find()) {
String matchSeq = matcher.group();
int argIndex;
try {
argIndex = Integer.parseInt(matchSeq.substring(1, matchSeq.length()));
} catch (NumberFormatException e) {
argIndex = Integer.parseInt(matchSeq.substring(2, matchSeq.length() - 1));
}
replacement = argValues[argIndex - 1];
replacementEntry = replacement.entrySet().iterator().next();
if (mediaType.equals(JSON_TYPE)
&& inferReplacementType(replacementEntry).equals(XML_TYPE)) {
// XML to JSON conversion here
try {
replacementValue = "<jsonObject>" + replacementEntry.getKey() + "</jsonObject>";
OMElement omXML = AXIOMUtil.stringToOM(replacementValue);
replacementValue =
JsonUtil.toJsonString(omXML)
.toString()
.replaceAll(
ESCAPE_DOUBLE_QUOTE_WITH_FIVE_BACK_SLASHES,
ESCAPE_DOUBLE_QUOTE_WITH_NINE_BACK_SLASHES)
.replaceAll(
ESCAPE_DOLLAR_WITH_TEN_BACK_SLASHES, ESCAPE_DOLLAR_WITH_SIX_BACK_SLASHES);
replacementValue = JsonUtil.toJsonString(omXML).toString();
} catch (XMLStreamException e) {
handleException(
"Error parsing XML for JSON conversion, please check your xPath expressions return valid XML: ",
synCtx);
} catch (AxisFault e) {
handleException("Error converting XML to JSON", synCtx);
}
} else if (mediaType.equals(XML_TYPE)
&& inferReplacementType(replacementEntry).equals(JSON_TYPE)) {
// JSON to XML conversion here
try {
OMElement omXML =
JsonUtil.toXml(IOUtils.toInputStream(replacementEntry.getKey()), false);
if (JsonUtil.isAJsonPayloadElement(omXML)) { // remove <jsonObject/> from result.
Iterator children = omXML.getChildElements();
String childrenStr = "";
while (children.hasNext()) {
childrenStr += (children.next()).toString().trim();
}
replacementValue = childrenStr;
} else { /// ~
replacementValue = omXML.toString();
}
// replacementValue = omXML.toString();
} catch (AxisFault e) {
handleException(
"Error converting JSON to XML, please check your JSON Path expressions return valid JSON: ",
synCtx);
}
} else {
// No conversion required, as path evaluates to regular String.
replacementValue = replacementEntry.getKey();
// This is to replace " with \" and \\ with \\\\
if (mediaType.equals(JSON_TYPE)
&& inferReplacementType(replacementEntry).equals(STRING_TYPE)
&& (!replacementValue.startsWith("{") && !replacementValue.startsWith("["))) {
replacementValue =
replacementValue
.replaceAll(
Matcher.quoteReplacement("\\\\"),
ESCAPE_BACK_SLASH_WITH_SIXTEEN_BACK_SLASHES)
.replaceAll("\"", ESCAPE_DOUBLE_QUOTE_WITH_TEN_BACK_SLASHES);
} else if ((mediaType.equals(JSON_TYPE)
&& inferReplacementType(replacementEntry).equals(JSON_TYPE))
&& (!replacementValue.startsWith("{") && !replacementValue.startsWith("["))) {
// This is to handle only the string value
replacementValue =
replacementValue.replaceAll("\"", ESCAPE_DOUBLE_QUOTE_WITH_TEN_BACK_SLASHES);
}
}
matcher.appendReplacement(result, replacementValue);
}
} catch (ArrayIndexOutOfBoundsException e) {
log.error("#replace. Mis-match detected between number of formatters and arguments", e);
}
matcher.appendTail(result);
}
public String importWADLToRegistry(
RequestContext requestContext, String commonLocation, boolean skipValidation)
throws RegistryException {
ResourcePath resourcePath = requestContext.getResourcePath();
String wadlName = RegistryUtils.getResourceName(resourcePath.getPath());
String version =
requestContext.getResource().getProperty(RegistryConstants.VERSION_PARAMETER_NAME);
if (version == null) {
version = CommonConstants.WADL_VERSION_DEFAULT_VALUE;
requestContext.getResource().setProperty(RegistryConstants.VERSION_PARAMETER_NAME, version);
}
String uri = requestContext.getSourceURL();
if (!skipValidation) {
validateWADL(uri);
}
Registry registry = requestContext.getRegistry();
Resource resource = registry.newResource();
if (resource.getUUID() == null) {
resource.setUUID(UUID.randomUUID().toString());
}
resource.setMediaType(wadlMediaType);
resource.setProperties(requestContext.getResource().getProperties());
ByteArrayOutputStream outputStream;
OMElement wadlElement;
try {
InputStream inputStream = new URL(uri).openStream();
outputStream = new ByteArrayOutputStream();
int nextChar;
while ((nextChar = inputStream.read()) != -1) {
outputStream.write(nextChar);
}
outputStream.flush();
wadlElement = AXIOMUtil.stringToOM(new String(outputStream.toByteArray()));
// to validate XML
wadlElement.toString();
} catch (Exception e) {
// This exception is unexpected because the WADL already validated
throw new RegistryException(
"Unexpected error occured " + "while reading the WADL at" + uri, e);
}
String wadlNamespace = wadlElement.getNamespace().getNamespaceURI();
String namespaceSegment =
CommonUtil.derivePathFragmentFromNamespace(wadlNamespace).replace("//", "/");
OMElement grammarsElement =
wadlElement.getFirstChildWithName(new QName(wadlNamespace, "grammars"));
String wadlBaseUri = uri.substring(0, uri.lastIndexOf("/") + 1);
if (grammarsElement != null) {
grammarsElement.detach();
wadlElement.addChild(resolveImports(grammarsElement, wadlBaseUri, version));
}
String actualPath;
if (commonLocation != null) {
actualPath = commonLocation + namespaceSegment + version + "/" + wadlName;
} else {
actualPath =
RegistryConstants.GOVERNANCE_REGISTRY_BASE_PATH
+ commonWADLLocation
+ namespaceSegment
+ version
+ "/"
+ wadlName;
}
if (resource.getProperty(CommonConstants.SOURCE_PROPERTY) == null) {
resource.setProperty(CommonConstants.SOURCE_PROPERTY, CommonConstants.SOURCE_AUTO);
}
resource.setContent(wadlElement.toString());
requestContext.setResourcePath(new ResourcePath(actualPath));
registry.put(actualPath, resource);
addImportAssociations(actualPath);
if (createService) {
OMElement serviceElement =
RESTServiceUtils.createRestServiceArtifact(
wadlElement,
wadlName,
version,
RegistryUtils.getRelativePath(requestContext.getRegistryContext(), actualPath));
String servicePath = RESTServiceUtils.addServiceToRegistry(requestContext, serviceElement);
addDependency(servicePath, actualPath);
String endpointPath = createEndpointElement(requestContext, wadlElement, version);
if (endpointPath != null) {
addDependency(servicePath, endpointPath);
}
}
return actualPath;
}
public String addWadlToRegistry(
RequestContext requestContext, Resource resource, String resourcePath, boolean skipValidation)
throws RegistryException {
String wadlName = RegistryUtils.getResourceName(resourcePath);
String version =
requestContext.getResource().getProperty(RegistryConstants.VERSION_PARAMETER_NAME);
if (version == null) {
version = CommonConstants.WADL_VERSION_DEFAULT_VALUE;
requestContext.getResource().setProperty(RegistryConstants.VERSION_PARAMETER_NAME, version);
}
OMElement wadlElement;
String wadlContent;
Object resourceContent = resource.getContent();
if (resourceContent instanceof String) {
wadlContent = (String) resourceContent;
} else {
wadlContent = new String((byte[]) resourceContent);
}
try {
XMLStreamReader reader =
XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(wadlContent));
StAXOMBuilder builder = new StAXOMBuilder(reader);
wadlElement = builder.getDocumentElement();
} catch (XMLStreamException e) {
// This exception is unexpected because the WADL already validated
String msg = "Unexpected error occured " + "while reading the WADL at " + resourcePath + ".";
log.error(msg);
throw new RegistryException(msg, e);
}
String wadlNamespace = wadlElement.getNamespace().getNamespaceURI();
String namespaceSegment =
CommonUtil.derivePathFragmentFromNamespace(wadlNamespace).replace("//", "/");
String actualPath =
getChrootedWadlLocation(requestContext.getRegistryContext())
+ namespaceSegment
+ version
+ "/"
+ wadlName;
OMElement grammarsElement =
wadlElement.getFirstChildWithName(new QName(wadlNamespace, "grammars"));
if (StringUtils.isNotBlank(requestContext.getSourceURL())) {
String uri = requestContext.getSourceURL();
if (!skipValidation) {
validateWADL(uri);
}
if (resource.getUUID() == null) {
resource.setUUID(UUID.randomUUID().toString());
}
String wadlBaseUri = uri.substring(0, uri.lastIndexOf("/") + 1);
if (grammarsElement != null) {
// This is to avoid evaluating the grammars import when building AST
grammarsElement.detach();
wadlElement.addChild(resolveImports(grammarsElement, wadlBaseUri, version));
}
} else {
if (!skipValidation) {
File tempFile = null;
BufferedWriter bufferedWriter = null;
try {
tempFile = File.createTempFile(wadlName, null);
bufferedWriter = new BufferedWriter(new FileWriter(tempFile));
bufferedWriter.write(wadlElement.toString());
bufferedWriter.flush();
} catch (IOException e) {
String msg = "Error occurred while reading the WADL File";
log.error(msg, e);
throw new RegistryException(msg, e);
} finally {
if (bufferedWriter != null) {
try {
bufferedWriter.close();
} catch (IOException e) {
String msg = "Error occurred while closing File writer";
log.warn(msg, e);
}
}
}
validateWADL(tempFile.toURI().toString());
try {
delete(tempFile);
} catch (IOException e) {
String msg =
"An error occurred while deleting the temporary files from local file system.";
log.warn(msg, e);
throw new RegistryException(msg, e);
}
}
if (grammarsElement != null) {
grammarsElement = resolveImports(grammarsElement, null, version);
wadlElement.addChild(grammarsElement);
}
}
requestContext.setResourcePath(new ResourcePath(actualPath));
if (resource.getProperty(CommonConstants.SOURCE_PROPERTY) == null) {
resource.setProperty(CommonConstants.SOURCE_PROPERTY, CommonConstants.SOURCE_AUTO);
}
registry.put(actualPath, resource);
addImportAssociations(actualPath);
if (getCreateService()) {
OMElement serviceElement =
RESTServiceUtils.createRestServiceArtifact(
wadlElement,
wadlName,
version,
RegistryUtils.getRelativePath(requestContext.getRegistryContext(), actualPath));
String servicePath = RESTServiceUtils.addServiceToRegistry(requestContext, serviceElement);
registry.addAssociation(servicePath, actualPath, CommonConstants.DEPENDS);
registry.addAssociation(actualPath, servicePath, CommonConstants.USED_BY);
String endpointPath = createEndpointElement(requestContext, wadlElement, version);
if (endpointPath != null) {
registry.addAssociation(servicePath, endpointPath, CommonConstants.DEPENDS);
registry.addAssociation(endpointPath, servicePath, CommonConstants.USED_BY);
}
}
return resource.getPath();
}
