/**
* Saves a swagger document in the registry.
*
* @param contentStream resource content.
* @param path resource path.
* @param documentVersion version of the swagger document.
* @throws RegistryException If fails to add the swagger document to registry.
*/
private boolean addSwaggerDocumentToRegistry(
ByteArrayOutputStream contentStream, String path, String documentVersion)
throws RegistryException {
Resource resource;
/*
Checks if a resource is already exists in the given path.
If exists,
Compare resource contents and if updated, updates the document, if not skip the updating process
If not exists,
Creates a new resource and add to the resource path.
*/
if (registry.resourceExists(path)) {
resource = registry.get(path);
Object resourceContentObj = resource.getContent();
String resourceContent;
if (resourceContentObj instanceof String) {
resourceContent = (String) resourceContentObj;
resource.setContent(RegistryUtils.encodeString(resourceContent));
} else if (resourceContentObj instanceof byte[]) {
resourceContent = RegistryUtils.decodeBytes((byte[]) resourceContentObj);
} else {
throw new RegistryException(CommonConstants.INVALID_CONTENT);
}
if (resourceContent.equals(contentStream.toString())) {
log.info("Old content is same as the new content. Skipping the put action.");
return false;
}
} else {
// If a resource does not exist in the given path.
resource = new ResourceImpl();
}
String resourceId =
(resource.getUUID() == null) ? UUID.randomUUID().toString() : resource.getUUID();
resource.setUUID(resourceId);
resource.setMediaType(CommonConstants.SWAGGER_MEDIA_TYPE);
resource.setContent(contentStream.toByteArray());
resource.addProperty(RegistryConstants.VERSION_PARAMETER_NAME, documentVersion);
CommonUtil.copyProperties(this.requestContext.getResource(), resource);
registry.put(path, resource);
return true;
}
/**
* Adds the service endpoint element to the registry.
*
* @param requestContext current request information.
* @param endpointElement endpoint metadata element.
* @param endpointPath endpoint location.
* @return The resource path of the endpoint.
* @throws RegistryException If fails to add the endpoint to the registry.
*/
public static String addEndpointToRegistry(
RequestContext requestContext, OMElement endpointElement, String endpointPath)
throws RegistryException {
if (requestContext == null || endpointElement == null || endpointPath == null) {
throw new IllegalArgumentException(
"Some or all of the arguments may be null. Cannot add the endpoint to registry. ");
}
endpointPath = getEndpointPath(requestContext, endpointElement, endpointPath);
Registry registry = requestContext.getRegistry();
// Creating new resource.
Resource endpointResource = new ResourceImpl();
// setting endpoint media type.
endpointResource.setMediaType(CommonConstants.ENDPOINT_MEDIA_TYPE);
// set content.
endpointResource.setContent(RegistryUtils.encodeString(endpointElement.toString()));
// copy other property
endpointResource.setProperties(copyProperties(requestContext));
// set path
// endpointPath = getChrootedEndpointLocation(requestContext.getRegistryContext()) +
// endpointPath;
String resourceId = endpointResource.getUUID();
// set resource UUID
resourceId = (resourceId == null) ? UUID.randomUUID().toString() : resourceId;
endpointResource.setUUID(resourceId);
// saving the api resource to repository.
registry.put(endpointPath, endpointResource);
if (log.isDebugEnabled()) {
log.debug("Endpoint created at " + endpointPath);
}
return endpointPath;
}
/**
* Saves the REST Service registry artifact created from the imported swagger definition.
*
* @param requestContext information about current request.
* @param data service artifact metadata.
* @throws RegistryException If a failure occurs when adding the api to registry.
*/
public static String addServiceToRegistry(RequestContext requestContext, OMElement data)
throws RegistryException {
if (requestContext == null || data == null) {
throw new IllegalArgumentException(
"Some or all of the arguments may be null. Cannot add the rest service to registry. ");
}
Registry registry = requestContext.getRegistry();
// Creating new resource.
Resource serviceResource = new ResourceImpl();
// setting API media type.
serviceResource.setMediaType(CommonConstants.REST_SERVICE_MEDIA_TYPE);
serviceResource.setProperty(CommonConstants.SOURCE_PROPERTY, CommonConstants.SOURCE_AUTO);
OMElement overview =
data.getFirstChildWithName(new QName(CommonConstants.SERVICE_ELEMENT_NAMESPACE, OVERVIEW));
String serviceVersion =
overview
.getFirstChildWithName(new QName(CommonConstants.SERVICE_ELEMENT_NAMESPACE, VERSION))
.getText();
String apiName =
overview
.getFirstChildWithName(new QName(CommonConstants.SERVICE_ELEMENT_NAMESPACE, NAME))
.getText();
serviceVersion =
(serviceVersion == null) ? CommonConstants.SERVICE_VERSION_DEFAULT_VALUE : serviceVersion;
String serviceProvider = CarbonContext.getThreadLocalCarbonContext().getUsername();
String pathExpression = getRestServicePath(requestContext, data, apiName, serviceProvider);
// set version property.
serviceResource.setProperty(RegistryConstants.VERSION_PARAMETER_NAME, serviceVersion);
// copy other property
serviceResource.setProperties(copyProperties(requestContext));
// set content.
serviceResource.setContent(RegistryUtils.encodeString(data.toString()));
String resourceId = serviceResource.getUUID();
// set resource UUID
resourceId = (resourceId == null) ? UUID.randomUUID().toString() : resourceId;
serviceResource.setUUID(resourceId);
String servicePath =
getChrootedServiceLocation(requestContext.getRegistryContext())
+ CarbonContext.getThreadLocalCarbonContext().getUsername()
+ RegistryConstants.PATH_SEPARATOR
+ apiName
+ RegistryConstants.PATH_SEPARATOR
+ serviceVersion
+ RegistryConstants.PATH_SEPARATOR
+ apiName
+ "-rest_service";
// saving the api resource to repository.
registry.put(pathExpression, serviceResource);
String defaultLifeCycle = CommonUtil.getDefaultLifecycle(registry, "restservice");
if (defaultLifeCycle != null && !defaultLifeCycle.isEmpty()) {
registry.associateAspect(serviceResource.getId(), defaultLifeCycle);
}
if (log.isDebugEnabled()) {
log.debug("REST Service created at " + pathExpression);
}
return pathExpression;
}
/**
* Adds the given WSDL artifact to the registry.
*
* @param wsdl the WSDL artifact.
* @throws GovernanceException if the operation failed.
*/
public void addWsdl(Wsdl wsdl) throws GovernanceException {
boolean succeeded = false;
try {
registry.beginTransaction();
String url = wsdl.getUrl();
Resource wsdlResource = registry.newResource();
wsdlResource.setMediaType(GovernanceConstants.WSDL_MEDIA_TYPE);
// setting the wsdl content
setContent(wsdl, wsdlResource);
wsdlResource.setUUID(wsdl.getId());
String tmpPath;
if (wsdl.getQName() != null) {
tmpPath = "/" + wsdl.getQName().getLocalPart();
} else if (url != null && !url.startsWith("name://")) {
tmpPath = RegistryUtils.getResourceName(new URL(url).getFile().replace("~", ""));
} else if (url != null) {
tmpPath = url.substring("name://".length());
} else {
tmpPath = wsdl.getId() + ".wsdl";
}
// OK this is a hack to get the UUID of the newly added artifact. This needs to be fixed
// properly with the fix for UUID support at Kernel-level - Janaka.
// Resource resource;
if (url == null || url.startsWith("name://")) {
// resource = registry.get(registry.put("/" + tmpPath, wsdlResource));
registry.put("/" + tmpPath, wsdlResource);
} else {
// resource = registry.get(registry.importResource(tmpPath, url,
// wsdlResource));
registry.importResource(tmpPath, url, wsdlResource);
}
// wsdl.setId(resource.getUUID());
wsdl.updatePath();
// wsdl.loadWsdlDetails();
succeeded = true;
} catch (RegistryException e) {
String msg = "Error in adding the wsdl. wsdl id: " + wsdl.getId() + ".";
log.error(msg, e);
throw new GovernanceException(msg, e);
} catch (MalformedURLException e) {
String msg = "Malformed policy url provided. url: " + wsdl.getUrl() + ".";
log.error(msg, e);
throw new GovernanceException(msg, e);
} finally {
if (succeeded) {
try {
registry.commitTransaction();
} catch (RegistryException e) {
String msg =
"Error in committing transactions. Add wsdl failed: wsdl id: "
+ wsdl.getId()
+ ", path: "
+ wsdl.getPath()
+ ".";
log.error(msg, e);
}
} else {
try {
registry.rollbackTransaction();
} catch (RegistryException e) {
String msg =
"Error in rolling back transactions. Add wsdl failed: wsdl id: "
+ wsdl.getId()
+ ", path: "
+ wsdl.getPath()
+ ".";
log.error(msg, e);
}
}
}
}
/**
* Sets content of the given WSDL artifact to the given resource on the registry.
*
* @param wsdl the WSDL artifact.
* @param wsdlResource the content resource.
* @throws GovernanceException if the operation failed.
*/
protected void setContent(Wsdl wsdl, Resource wsdlResource) throws GovernanceException {
if (wsdl.getWsdlElement() != null) {
OMElement contentElement = wsdl.getWsdlElement().cloneOMElement();
try {
for (String importType : new String[] {"import", "include"}) {
List<OMElement> wsdlImports =
GovernanceUtils.evaluateXPathToElements("//wsdl:" + importType, contentElement);
for (OMElement wsdlImport : wsdlImports) {
OMAttribute location = wsdlImport.getAttribute(new QName("location"));
if (location != null) {
String path = location.getAttributeValue();
if (path.indexOf(";version:") > 0) {
location.setAttributeValue(path.substring(0, path.lastIndexOf(";version:")));
}
}
}
}
for (String importType : new String[] {"import", "include", "redefine"}) {
List<OMElement> schemaImports =
GovernanceUtils.evaluateXPathToElements("//xsd:" + importType, contentElement);
for (OMElement schemaImport : schemaImports) {
OMAttribute location = schemaImport.getAttribute(new QName("schemaLocation"));
if (location != null) {
String path = location.getAttributeValue();
if (path.indexOf(";version:") > 0) {
location.setAttributeValue(path.substring(0, path.lastIndexOf(";version:")));
}
}
}
}
} catch (JaxenException ignore) {
}
String wsdlContent = contentElement.toString();
try {
wsdlResource.setContent(wsdlContent);
} catch (RegistryException e) {
String msg =
"Error in setting the content from wsdl, wsdl id: "
+ wsdl.getId()
+ ", wsdl path: "
+ wsdl.getPath()
+ ".";
log.error(msg, e);
throw new GovernanceException(msg, e);
}
}
// and set all the attributes as properties.
String[] attributeKeys = wsdl.getAttributeKeys();
if (attributeKeys != null) {
Properties properties = new Properties();
for (String attributeKey : attributeKeys) {
String[] attributeValues = wsdl.getAttributes(attributeKey);
if (attributeValues != null) {
// The list obtained from the Arrays#asList method is
// immutable. Therefore,
// we create a mutable object out of it before adding it as
// a property.
properties.put(attributeKey, new ArrayList<String>(Arrays.asList(attributeValues)));
}
}
wsdlResource.setProperties(properties);
}
wsdlResource.setUUID(wsdl.getId());
}
/**
* Updates the given WSDL artifact on the registry.
*
* @param wsdl the WSDL artifact.
* @throws GovernanceException if the operation failed.
*/
public void updateWsdl(Wsdl wsdl) throws GovernanceException {
if (wsdl.getWsdlElement() == null) {
// there won't be any updates
String msg =
"Updates are only accepted if the wsdlElement available. "
+ "So no updates will be done. "
+ "wsdl id: "
+ wsdl.getId()
+ ", wsdl path: "
+ wsdl.getPath()
+ ".";
log.error(msg);
throw new GovernanceException(msg);
}
boolean succeeded = false;
try {
registry.beginTransaction();
// getting the old wsdl.
Wsdl oldWsdl = getWsdl(wsdl.getId());
if (oldWsdl == null) {
addWsdl(wsdl);
return;
}
// we are expecting only the OMElement to be different.
Resource wsdlResource = registry.newResource();
wsdlResource.setMediaType(GovernanceConstants.WSDL_MEDIA_TYPE);
// setting the wsdl content
setContent(wsdl, wsdlResource);
// remove the old wsdl resource.
String tmpPath = oldWsdl.getPath();
wsdlResource.setUUID(wsdl.getId());
registry.put(tmpPath, wsdlResource);
// wsdl.setId(wsdlResource.getUUID());
wsdl.updatePath();
// wsdl.loadWsdlDetails();
succeeded = true;
} catch (RegistryException e) {
String msg =
"Error in updating the wsdl, wsdl id: "
+ wsdl.getId()
+ ", wsdl path: "
+ wsdl.getPath()
+ ".";
log.error(msg, e);
throw new GovernanceException(msg, e);
} finally {
if (succeeded) {
try {
registry.commitTransaction();
} catch (RegistryException e) {
String msg =
"Error in committing transactions. Update wsdl failed: wsdl id: "
+ wsdl.getId()
+ ", path: "
+ wsdl.getPath()
+ ".";
log.error(msg, e);
}
} else {
try {
registry.rollbackTransaction();
} catch (RegistryException e) {
String msg =
"Error in rolling back transactions. Update wsdl failed: wsdl id: "
+ wsdl.getId()
+ ", path: "
+ wsdl.getPath()
+ ".";
log.error(msg, e);
}
}
}
}
/**
* Updates the given artifact on the registry.
*
* @param artifact the artifact.
* @throws GovernanceException if the operation failed.
*/
public void updateGovernanceArtifact(GovernanceArtifact artifact) throws GovernanceException {
boolean succeeded = false;
try {
registry.beginTransaction();
validateArtifact(artifact);
GovernanceArtifact oldArtifact = getGovernanceArtifact(artifact.getId());
// first check for the old artifact and remove it.
String oldPath = null;
if (oldArtifact != null) {
QName oldName = oldArtifact.getQName();
if (!oldName.equals(artifact.getQName())) {
String temp = oldArtifact.getPath();
// then it is analogue to moving the resource for the new location
// so just delete the old path
registry.delete(temp);
String artifactName = artifact.getQName().getLocalPart();
artifact.setAttributes(artifactNameAttribute, new String[] {artifactName});
String namespace = artifact.getQName().getNamespaceURI();
if (artifactNamespaceAttribute != null) {
artifact.setAttributes(artifactNamespaceAttribute, new String[] {namespace});
}
} else {
oldPath = oldArtifact.getPath();
}
} else {
throw new GovernanceException(
"No artifact found for the artifact id :" + artifact.getId() + ".");
}
String artifactId = artifact.getId();
Resource resource = registry.newResource();
resource.setMediaType(mediaType);
setContent(artifact, resource);
String path = GovernanceUtils.getPathFromPathExpression(pathExpression, artifact);
if (oldPath != null) {
path = oldPath;
}
if (registry.resourceExists(path)) {
Resource oldResource = registry.get(path);
Properties properties = (Properties) oldResource.getProperties().clone();
resource.setProperties(properties);
// persisting resource description at artifact update
String description = oldResource.getDescription();
if (description != null) {
resource.setDescription(description);
}
String oldContent;
Object content = oldResource.getContent();
if (content instanceof String) {
oldContent = (String) content;
} else {
oldContent = new String((byte[]) content);
}
String newContent;
content = resource.getContent();
if (content instanceof String) {
newContent = (String) content;
} else {
newContent = new String((byte[]) content);
}
if (newContent.equals(oldContent)) {
artifact.setId(oldResource.getUUID());
addRelationships(path, artifact);
succeeded = true;
return;
}
}
resource.setUUID(artifactId);
registry.put(path, resource);
// artifact.setId(resource.getUUID()); //This is done to get the UUID of a existing
// resource.
addRelationships(oldPath, artifact);
((GovernanceArtifactImpl) artifact).updatePath(artifactId);
succeeded = true;
} catch (RegistryException e) {
if (e instanceof GovernanceException) {
throw (GovernanceException) e;
}
String msg;
if (artifact.getPath() != null) {
msg =
"Error in updating the artifact, artifact id: "
+ artifact.getId()
+ ", artifact path: "
+ artifact.getPath()
+ "."
+ e.getMessage()
+ ".";
} else {
msg =
"Error in updating the artifact, artifact id: "
+ artifact.getId()
+ "."
+ e.getMessage()
+ ".";
}
log.error(msg, e);
throw new GovernanceException(msg, e);
} finally {
if (succeeded) {
try {
registry.commitTransaction();
} catch (RegistryException e) {
String msg;
if (artifact.getPath() != null) {
msg =
"Error in committing transactions. Update artifact failed: artifact "
+ "id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ".";
} else {
msg =
"Error in committing transactions. Update artifact failed: artifact "
+ "id: "
+ artifact.getId()
+ ".";
}
log.error(msg, e);
}
} else {
try {
registry.rollbackTransaction();
} catch (RegistryException e) {
String msg =
"Error in rolling back transactions. Update artifact failed: "
+ "artifact id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ".";
log.error(msg, e);
}
}
}
}
/**
* Adds the given artifact to the registry. Please do not use this method to update an existing
* artifact use the update method instead. If this method is used to update an existing artifact,
* all existing properties (such as lifecycle details) will be removed from the existing artifact.
*
* @param artifact the artifact.
* @throws GovernanceException if the operation failed.
*/
public void addGovernanceArtifact(GovernanceArtifact artifact) throws GovernanceException {
// adding the attributes for name, namespace + artifact
if (artifact.getQName() == null || artifact.getQName().getLocalPart() == null) {
String msg = "A valid qualified name was not set for this artifact";
log.error(msg);
throw new GovernanceException(msg);
}
validateArtifact(artifact);
String artifactName = artifact.getQName().getLocalPart();
artifact.setAttributes(artifactNameAttribute, new String[] {artifactName});
// namespace can be null
String namespace = artifact.getQName().getNamespaceURI();
if (artifactNamespaceAttribute != null) {
artifact.setAttributes(artifactNamespaceAttribute, new String[] {namespace});
}
((GovernanceArtifactImpl) artifact).associateRegistry(registry);
boolean succeeded = false;
try {
registry.beginTransaction();
Resource resource = registry.newResource();
resource.setMediaType(mediaType);
setContent(artifact, resource);
// the artifact will not actually stored in the tmp path.
String path = GovernanceUtils.getPathFromPathExpression(pathExpression, artifact);
if (registry.resourceExists(path)) {
throw new GovernanceException(
"Governance artifact " + artifactName + " already exists at " + path);
}
String artifactId = artifact.getId();
resource.setUUID(artifactId);
registry.put(path, resource);
if (lifecycle != null) {
registry.associateAspect(path, lifecycle);
}
((GovernanceArtifactImpl) artifact).updatePath();
// artifact.setId(resource.getUUID()); //This is done to get the UUID of a existing
// resource.
addRelationships(path, artifact);
succeeded = true;
} catch (RegistryException e) {
String msg;
if (artifact.getPath() != null) {
msg =
"Failed to add artifact: artifact id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ". "
+ e.getMessage();
} else {
msg = "Failed to add artifact: artifact id: " + artifact.getId() + ". " + e.getMessage();
}
log.error(msg, e);
throw new GovernanceException(msg, e);
} finally {
if (succeeded) {
try {
registry.commitTransaction();
} catch (RegistryException e) {
String msg;
if (artifact.getPath() != null) {
msg =
"Error in committing transactions. Failed to add artifact: artifact "
+ "id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ".";
} else {
msg =
"Error in committing transactions. Failed to add artifact: artifact "
+ "id: "
+ artifact.getId()
+ ".";
}
log.error(msg, e);
}
} else {
try {
registry.rollbackTransaction();
} catch (RegistryException e) {
String msg =
"Error in rolling back transactions. Failed to add artifact: "
+ "artifact id: "
+ artifact.getId()
+ ", path: "
+ artifact.getPath()
+ ".";
log.error(msg, e);
}
}
}
}
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();
}
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 void put(RequestContext requestContext) throws RegistryException {
WSDLProcessor wsdl = null;
if (!CommonUtil.isUpdateLockAvailable()) {
return;
}
CommonUtil.acquireUpdateLock();
try {
Registry registry = requestContext.getRegistry();
Resource resource = requestContext.getResource();
if (resource == null) {
throw new RegistryException("The resource is not available.");
}
String originalServicePath = requestContext.getResourcePath().getPath();
String resourceName = RegistryUtils.getResourceName(originalServicePath);
OMElement serviceInfoElement, previousServiceInfoElement = null;
Object resourceContent = resource.getContent();
String serviceInfo;
if (resourceContent instanceof String) {
serviceInfo = (String) resourceContent;
} else {
serviceInfo = RegistryUtils.decodeBytes((byte[]) resourceContent);
}
try {
XMLStreamReader reader =
XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(serviceInfo));
StAXOMBuilder builder = new StAXOMBuilder(reader);
serviceInfoElement = builder.getDocumentElement();
} catch (Exception e) {
String msg =
"Error in parsing the service content of the service. "
+ "The requested path to store the service: "
+ originalServicePath
+ ".";
log.error(msg);
throw new RegistryException(msg, e);
}
// derive the service path that the service should be saved.
String serviceName = CommonUtil.getServiceName(serviceInfoElement);
String serviceNamespace = CommonUtil.getServiceNamespace(serviceInfoElement);
String servicePath = "";
if (serviceInfoElement.getChildrenWithLocalName("newServicePath").hasNext()) {
Iterator OmElementIterator = serviceInfoElement.getChildrenWithLocalName("newServicePath");
while (OmElementIterator.hasNext()) {
OMElement next = (OMElement) OmElementIterator.next();
servicePath = next.getText();
break;
}
} else {
if (registry.resourceExists(originalServicePath)) {
// Fixing REGISTRY-1790. Save the Service to the given original
// service path if there is a service already exists there
servicePath = originalServicePath;
} else {
servicePath =
RegistryUtils.getAbsolutePath(
registry.getRegistryContext(),
registry.getRegistryContext().getServicePath()
+ (serviceNamespace == null
? ""
: CommonUtil.derivePathFragmentFromNamespace(serviceNamespace))
+ serviceName);
}
}
String serviceVersion =
org.wso2.carbon.registry.common.utils.CommonUtil.getServiceVersion(serviceInfoElement);
if (serviceVersion.length() == 0) {
serviceVersion = defaultServiceVersion;
CommonUtil.setServiceVersion(serviceInfoElement, serviceVersion);
resource.setContent(serviceInfoElement.toString());
}
// saving the artifact id.
String serviceId = resource.getUUID();
if (serviceId == null) {
// generate a service id
serviceId = UUID.randomUUID().toString();
resource.setUUID(serviceId);
}
if (registry.resourceExists(servicePath)) {
Resource oldResource = registry.get(servicePath);
String oldContent;
Object content = oldResource.getContent();
if (content instanceof String) {
oldContent = (String) content;
} else {
oldContent = RegistryUtils.decodeBytes((byte[]) content);
}
OMElement oldServiceInfoElement = null;
if (serviceInfo.equals(oldContent)) {
// TODO: This needs a better solution. This fix was put in place to avoid
// duplication of services under /_system/governance, when no changes were made.
// However, the fix is not perfect and needs to be rethought. Perhaps the logic
// below can be reshaped a bit, or may be we don't need to compare the
// difference over here with a little fix to the Governance API end. - Janaka.
// We have fixed this assuming that the temp path where services are stored is under
// /_system/governance/[serviceName]
// Hence if we are to change that location, then we need to change the following code
// segment as well
String tempPath =
RegistryConstants.GOVERNANCE_REGISTRY_BASE_PATH
+ RegistryConstants.PATH_SEPARATOR
+ resourceName;
if (!originalServicePath.equals(tempPath)) {
String path =
RegistryUtils.getRelativePathToOriginal(
servicePath, RegistryConstants.GOVERNANCE_REGISTRY_BASE_PATH);
ArtifactManager.getArtifactManager().getTenantArtifactRepository().addArtifact(path);
return;
}
requestContext.setProcessingComplete(true);
return;
}
if ("true".equals(resource.getProperty("registry.DefinitionImport"))) {
resource.removeProperty("registry.DefinitionImport");
try {
XMLStreamReader reader =
XMLInputFactory.newInstance().createXMLStreamReader(new StringReader(oldContent));
StAXOMBuilder builder = new StAXOMBuilder(reader);
oldServiceInfoElement = builder.getDocumentElement();
CommonUtil.setServiceName(
oldServiceInfoElement, CommonUtil.getServiceName(serviceInfoElement));
CommonUtil.setServiceNamespace(
oldServiceInfoElement, CommonUtil.getServiceNamespace(serviceInfoElement));
CommonUtil.setDefinitionURL(
oldServiceInfoElement, CommonUtil.getDefinitionURL(serviceInfoElement));
CommonUtil.setEndpointEntries(
oldServiceInfoElement, CommonUtil.getEndpointEntries(serviceInfoElement));
CommonUtil.setServiceVersion(
oldServiceInfoElement,
org.wso2.carbon.registry.common.utils.CommonUtil.getServiceVersion(
serviceInfoElement));
serviceInfoElement = oldServiceInfoElement;
resource.setContent(serviceInfoElement.toString());
resource.setDescription(oldResource.getDescription());
} catch (Exception e) {
String msg =
"Error in parsing the service content of the service. "
+ "The requested path to store the service: "
+ originalServicePath
+ ".";
log.error(msg);
throw new RegistryException(msg, e);
}
}
try {
previousServiceInfoElement = AXIOMUtil.stringToOM(oldContent);
} catch (XMLStreamException e) {
String msg =
"Error in parsing the service content of the service. "
+ "The requested path to store the service: "
+ originalServicePath
+ ".";
log.error(msg);
throw new RegistryException(msg, e);
}
} else if ("true".equals(resource.getProperty("registry.DefinitionImport"))) {
resource.removeProperty("registry.DefinitionImport");
}
// CommonUtil.addGovernanceArtifactEntryWithAbsoluteValues(
// CommonUtil.getUnchrootedSystemRegistry(requestContext),
// serviceId, servicePath);
String definitionURL = CommonUtil.getDefinitionURL(serviceInfoElement);
if (previousServiceInfoElement != null) {
String oldDefinition = CommonUtil.getDefinitionURL(previousServiceInfoElement);
if ((!"".equals(oldDefinition) && "".equals(definitionURL))
|| (!"".endsWith(oldDefinition) && !oldDefinition.equals(definitionURL))) {
try {
registry.removeAssociation(servicePath, oldDefinition, CommonConstants.DEPENDS);
registry.removeAssociation(oldDefinition, servicePath, CommonConstants.USED_BY);
EndpointUtils.removeEndpointEntry(oldDefinition, serviceInfoElement, registry);
resource.setContent(
RegistryUtils.decodeBytes((serviceInfoElement.toString()).getBytes()));
} catch (RegistryException e) {
throw new RegistryException(
"Failed to remove endpoints from Service UI : " + serviceName, e);
}
}
}
boolean alreadyAdded = false;
if (definitionURL != null
&& (definitionURL.startsWith("http://") || definitionURL.startsWith("https://"))) {
String definitionPath;
if (definitionURL.toLowerCase().endsWith("wsdl")) {
wsdl = buildWSDLProcessor(requestContext);
RequestContext context =
new RequestContext(
registry, requestContext.getRepository(), requestContext.getVersionRepository());
context.setResourcePath(
new ResourcePath(RegistryConstants.PATH_SEPARATOR + serviceName + ".wsdl"));
context.setSourceURL(definitionURL);
context.setResource(new ResourceImpl());
definitionPath =
wsdl.addWSDLToRegistry(
context,
definitionURL,
null,
false,
false,
disableWSDLValidation,
disableSymlinkCreation);
} else if (definitionURL.toLowerCase().endsWith("wadl")) {
WADLProcessor wadlProcessor = buildWADLProcessor(requestContext);
wadlProcessor.setCreateService(false);
RequestContext context =
new RequestContext(
registry, requestContext.getRepository(), requestContext.getVersionRepository());
context.setResourcePath(
new ResourcePath(RegistryConstants.PATH_SEPARATOR + serviceName + ".wadl"));
context.setSourceURL(definitionURL);
context.setResource(new ResourceImpl());
definitionPath = wadlProcessor.importWADLToRegistry(context, null, disableWADLValidation);
} else {
throw new RegistryException(
"Invalid service definition found. " + "Please enter a valid WSDL/WADL URL");
}
if (definitionPath == null) {
return;
}
definitionURL =
RegistryUtils.getRelativePath(requestContext.getRegistryContext(), definitionPath);
CommonUtil.setDefinitionURL(serviceInfoElement, definitionURL);
resource.setContent(RegistryUtils.decodeBytes((serviceInfoElement.toString()).getBytes()));
// updating the wsdl/wadl url
((ResourceImpl) resource).prepareContentForPut();
persistServiceResource(registry, resource, servicePath);
alreadyAdded = true;
// and make the associations
registry.addAssociation(servicePath, definitionPath, CommonConstants.DEPENDS);
registry.addAssociation(definitionPath, servicePath, CommonConstants.USED_BY);
} else if (definitionURL != null && definitionURL.startsWith(RegistryConstants.ROOT_PATH)) {
// it seems definitionUrl is a registry path..
String definitionPath =
RegistryUtils.getAbsolutePath(requestContext.getRegistryContext(), definitionURL);
if (!definitionPath.startsWith(
RegistryUtils.getAbsolutePath(
requestContext.getRegistryContext(),
RegistryConstants.GOVERNANCE_REGISTRY_BASE_PATH))) {
definitionPath = RegistryConstants.GOVERNANCE_REGISTRY_BASE_PATH + definitionPath;
}
boolean addItHere = false;
if (!registry.resourceExists(definitionPath)) {
String msg =
"Associating service to a non-existing WSDL. wsdl url: "
+ definitionPath
+ ", "
+ "service path: "
+ servicePath
+ ".";
log.error(msg);
throw new RegistryException(msg);
}
if (!registry.resourceExists(servicePath)) {
addItHere = true;
} else {
Association[] dependencies =
registry.getAssociations(servicePath, CommonConstants.DEPENDS);
boolean dependencyFound = false;
if (dependencies != null) {
for (Association dependency : dependencies) {
if (definitionPath.equals(dependency.getDestinationPath())) {
dependencyFound = true;
}
}
}
if (!dependencyFound) {
addItHere = true;
}
}
if (addItHere) { // add the service right here..
((ResourceImpl) resource).prepareContentForPut();
persistServiceResource(registry, resource, servicePath);
alreadyAdded = true;
// and make the associations
registry.addAssociation(servicePath, definitionPath, CommonConstants.DEPENDS);
registry.addAssociation(definitionPath, servicePath, CommonConstants.USED_BY);
}
}
if (!alreadyAdded) {
// we are adding the resource anyway.
((ResourceImpl) resource).prepareContentForPut();
persistServiceResource(registry, resource, servicePath);
}
/*
if (!servicePath.contains(registry.getRegistryContext().getServicePath())) {
if (defaultEnvironment == null) {
String serviceDefaultEnvironment = registry.getRegistryContext().getServicePath();
String relativePath = serviceDefaultEnvironment.replace(RegistryConstants.GOVERNANCE_REGISTRY_BASE_PATH, "");
relativePath = relativePath.replace(CommonUtil.derivePathFragmentFromNamespace(serviceNamespace),"");
defaultEnvironment = relativePath;
}
String currentRelativePath = servicePath.substring(0, servicePath.indexOf(CommonUtil.derivePathFragmentFromNamespace(serviceNamespace)));
currentRelativePath = currentRelativePath.replace(RegistryConstants.GOVERNANCE_REGISTRY_BASE_PATH,"");
String endpointEnv = EndpointUtils.getEndpointLocation();
String[] pathSegments = defaultEnvironment.split(RegistryConstants.PATH_SEPARATOR);
for (String pathSegment : pathSegments) {
endpointEnv = endpointEnv.replace(pathSegment,"");
currentRelativePath = currentRelativePath.replace(pathSegment,"");
}
while(endpointEnv.startsWith(RegistryConstants.PATH_SEPARATOR)){
endpointEnv = endpointEnv.replaceFirst(RegistryConstants.PATH_SEPARATOR,"");
}
environment = currentRelativePath + endpointEnv;
}
*/
EndpointUtils.saveEndpointsFromServices(
servicePath,
serviceInfoElement,
registry,
CommonUtil.getUnchrootedSystemRegistry(requestContext));
String symlinkLocation =
RegistryUtils.getAbsolutePath(
requestContext.getRegistryContext(),
requestContext.getResource().getProperty(RegistryConstants.SYMLINK_PROPERTY_NAME));
if (!servicePath.equals(originalServicePath)) {
// we are creating a sym link from service path to original service path.
Resource serviceResource =
requestContext.getRegistry().get(RegistryUtils.getParentPath(originalServicePath));
String isLink = serviceResource.getProperty("registry.link");
String mountPoint = serviceResource.getProperty("registry.mountpoint");
String targetPoint = serviceResource.getProperty("registry.targetpoint");
String actualPath = serviceResource.getProperty("registry.actualpath");
if (isLink != null && mountPoint != null && targetPoint != null) {
symlinkLocation = actualPath + RegistryConstants.PATH_SEPARATOR;
}
if (symlinkLocation != null) {
requestContext
.getSystemRegistry()
.createLink(symlinkLocation + resourceName, servicePath);
}
}
// in this flow the resource is already added. marking the process completed..
requestContext.setProcessingComplete(true);
if (wsdl != null
&& CommonConstants.ENABLE.equals(
System.getProperty(CommonConstants.UDDI_SYSTEM_PROPERTY))) {
AuthToken authToken = UDDIUtil.getPublisherAuthToken();
if (authToken == null) {
return;
}
// creating the business service info bean
BusinessServiceInfo businessServiceInfo = new BusinessServiceInfo();
// Following lines removed for fixing REGISTRY-1898.
// businessServiceInfo.setServiceName(serviceName.trim());
// businessServiceInfo.setServiceNamespace(serviceNamespace.trim());
//
// businessServiceInfo.setServiceEndpoints(CommonUtil.getEndpointEntries(serviceInfoElement));
//
// businessServiceInfo.setDocuments(CommonUtil.getDocLinks(serviceInfoElement));
businessServiceInfo.setServiceDescription(
CommonUtil.getServiceDescription(serviceInfoElement));
WSDLInfo wsdlInfo = wsdl.getMasterWSDLInfo();
businessServiceInfo.setServiceWSDLInfo(wsdlInfo);
UDDIPublisher publisher = new UDDIPublisher();
publisher.publishBusinessService(authToken, businessServiceInfo);
}
String path =
RegistryUtils.getRelativePathToOriginal(
servicePath, RegistryConstants.GOVERNANCE_REGISTRY_BASE_PATH);
ArtifactManager.getArtifactManager().getTenantArtifactRepository().addArtifact(path);
} finally {
CommonUtil.releaseUpdateLock();
}
}