/**
* Retrieve the sequence from Continuation state which message should be injected to.
*
* @param seqContState SeqContinuationState which contain the sequence information
* @param synCtx message context
* @return sequence which message should be injected to
*/
public static SequenceMediator retrieveSequence(
MessageContext synCtx, SeqContinuationState seqContState) {
SequenceMediator sequence = null;
switch (seqContState.getSeqType()) {
case NAMED:
{
sequence = (SequenceMediator) synCtx.getSequence(seqContState.getSeqName());
if (sequence == null) {
// This can happen only if someone delete the sequence while running
handleException("Sequence : " + seqContState.getSeqName() + " not found");
}
break;
}
case PROXY_INSEQ:
{
String proxyName = (String) synCtx.getProperty(SynapseConstants.PROXY_SERVICE);
ProxyService proxyService = synCtx.getConfiguration().getProxyService(proxyName);
if (proxyService != null) {
sequence = proxyService.getTargetInLineInSequence();
} else {
handleException("Proxy Service :" + proxyName + " not found");
}
break;
}
case API_INSEQ:
{
String apiName = (String) synCtx.getProperty(RESTConstants.SYNAPSE_REST_API);
String resourceName = (String) synCtx.getProperty(RESTConstants.SYNAPSE_RESOURCE);
API api = synCtx.getEnvironment().getSynapseConfiguration().getAPI(apiName);
if (api != null) {
Resource resource = api.getResource(resourceName);
if (resource != null) {
sequence = resource.getInSequence();
} else {
handleException("Resource : " + resourceName + " not found");
}
} else {
handleException("REST API : " + apiName + " not found");
}
break;
}
case PROXY_OUTSEQ:
{
String proxyName = (String) synCtx.getProperty(SynapseConstants.PROXY_SERVICE);
ProxyService proxyService = synCtx.getConfiguration().getProxyService(proxyName);
if (proxyService != null) {
sequence = proxyService.getTargetInLineOutSequence();
} else {
handleException("Proxy Service :" + proxyName + " not found");
}
break;
}
case API_OUTSEQ:
{
String apiName = (String) synCtx.getProperty(RESTConstants.SYNAPSE_REST_API);
String resourceName = (String) synCtx.getProperty(RESTConstants.SYNAPSE_RESOURCE);
API api = synCtx.getEnvironment().getSynapseConfiguration().getAPI(apiName);
if (api != null) {
Resource resource = api.getResource(resourceName);
if (resource != null) {
sequence = resource.getOutSequence();
} else {
handleException("Resource : " + resourceName + " not found");
}
} else {
handleException("REST API : " + apiName + " not found");
}
break;
}
case PROXY_FAULTSEQ:
{
String proxyName = (String) synCtx.getProperty(SynapseConstants.PROXY_SERVICE);
ProxyService proxyService = synCtx.getConfiguration().getProxyService(proxyName);
if (proxyService != null) {
sequence = proxyService.getTargetInLineFaultSequence();
} else {
handleException("Proxy Service :" + proxyName + " not found");
}
break;
}
case API_FAULTSEQ:
{
String apiName = (String) synCtx.getProperty(RESTConstants.SYNAPSE_REST_API);
String resourceName = (String) synCtx.getProperty(RESTConstants.SYNAPSE_RESOURCE);
API api = synCtx.getEnvironment().getSynapseConfiguration().getAPI(apiName);
if (api != null) {
Resource resource = api.getResource(resourceName);
if (resource != null) {
sequence = resource.getFaultSequence();
} else {
handleException("Resource : " + resourceName + " not found");
}
} else {
handleException("REST API : " + apiName + " not found");
}
break;
}
}
return sequence;
}
public VerbInfoDTO findMatchingVerb(MessageContext synCtx)
throws ResourceNotFoundException, APISecurityException {
VerbInfoDTO verb = null;
// This function is used by more than one handler. If on one execution of this function, it has
// found and placed
// the matching verb in the cache, the same can be re-used from all handlers since all handlers
// share the same
// MessageContext. The API_RESOURCE_CACHE_KEY property will be set in the MessageContext to
// indicate that the
// verb has been put into the cache.
String resourceCacheKey = (String) synCtx.getProperty(APIConstants.API_RESOURCE_CACHE_KEY);
if (resourceCacheKey != null) {
verb = (VerbInfoDTO) getResourceCache().get(resourceCacheKey);
// Cache hit
if (verb != null) {
if (log.isDebugEnabled()) {
log.debug("Found resource in Cache for key: ".concat(resourceCacheKey));
}
return verb;
}
if (log.isDebugEnabled()) {
log.debug("Resource not found in cache for key: ".concat(resourceCacheKey));
}
}
String resourceString = (String) synCtx.getProperty(APIConstants.API_ELECTED_RESOURCE);
String apiContext = (String) synCtx.getProperty(RESTConstants.REST_API_CONTEXT);
String apiVersion = (String) synCtx.getProperty(RESTConstants.SYNAPSE_REST_API_VERSION);
String fullRequestPath = (String) synCtx.getProperty(RESTConstants.REST_FULL_REQUEST_PATH);
String apiName = (String) synCtx.getProperty(RESTConstants.SYNAPSE_REST_API);
String requestPath = Utils.getRequestPath(synCtx, fullRequestPath, apiContext, apiVersion);
if ("".equals(requestPath)) {
requestPath = "/";
}
if (log.isDebugEnabled()) {
log.debug("Setting REST_SUB_REQUEST_PATH in msg context: ".concat(requestPath));
}
synCtx.setProperty(RESTConstants.REST_SUB_REQUEST_PATH, requestPath);
String httpMethod =
(String)
((Axis2MessageContext) synCtx)
.getAxis2MessageContext()
.getProperty(Constants.Configuration.HTTP_METHOD);
if (resourceString == null) {
API selectedApi = synCtx.getConfiguration().getAPI(apiName);
Resource selectedResource = null;
if (selectedApi != null) {
Resource[] selectedAPIResources = selectedApi.getResources();
Set<Resource> acceptableResources = new HashSet<Resource>();
for (Resource resource : selectedAPIResources) {
// If the requesting method is OPTIONS or if the Resource contains the requesting method
if (RESTConstants.METHOD_OPTIONS.equals(httpMethod)
|| (resource.getMethods() != null
&& Arrays.asList(resource.getMethods()).contains(httpMethod))) {
acceptableResources.add(resource);
}
}
if (acceptableResources.size() > 0) {
for (RESTDispatcher dispatcher : RESTUtils.getDispatchers()) {
Resource resource = dispatcher.findResource(synCtx, acceptableResources);
if (resource != null && Arrays.asList(resource.getMethods()).contains(httpMethod)) {
selectedResource = resource;
break;
}
}
}
}
if (selectedResource == null) {
// No matching resource found.
String msg = "Could not find matching resource for " + requestPath;
log.error(msg);
throw new ResourceNotFoundException(msg);
}
resourceString = selectedResource.getDispatcherHelper().getString();
resourceCacheKey =
APIUtil.getResourceInfoDTOCacheKey(apiContext, apiVersion, resourceString, httpMethod);
if (log.isDebugEnabled()) {
log.debug("Selected Resource: ".concat(resourceString));
}
// Set the elected resource
synCtx.setProperty(APIConstants.API_ELECTED_RESOURCE, resourceString);
}
verb = (VerbInfoDTO) getResourceCache().get(resourceCacheKey);
// Cache hit
if (verb != null) {
if (log.isDebugEnabled()) {
log.debug("Got Resource from cache for key: ".concat(resourceCacheKey));
}
// Set cache key in the message context so that it can be used by the subsequent handlers.
synCtx.setProperty(APIConstants.API_RESOURCE_CACHE_KEY, resourceCacheKey);
return verb;
}
if (log.isDebugEnabled()) {
log.debug("Cache miss for Resource for key: ".concat(resourceCacheKey));
}
String apiCacheKey = APIUtil.getAPIInfoDTOCacheKey(apiContext, apiVersion);
APIInfoDTO apiInfoDTO = null;
apiInfoDTO = (APIInfoDTO) getResourceCache().get(apiCacheKey);
// Cache miss
if (apiInfoDTO == null) {
if (log.isDebugEnabled()) {
log.debug("Could not find API object in cache for key: ".concat(apiCacheKey));
}
apiInfoDTO = doGetAPIInfo(apiContext, apiVersion);
getResourceCache().put(apiCacheKey, apiInfoDTO);
}
if (apiInfoDTO.getResources() != null) {
for (ResourceInfoDTO resourceInfoDTO : apiInfoDTO.getResources()) {
if ((resourceString.trim()).equalsIgnoreCase(resourceInfoDTO.getUrlPattern().trim())) {
for (VerbInfoDTO verbDTO : resourceInfoDTO.getHttpVerbs()) {
if (verbDTO.getHttpVerb().equals(httpMethod)) {
if (log.isDebugEnabled()) {
log.debug("Putting resource object in cache with key: ".concat(resourceCacheKey));
}
verbDTO.setRequestKey(resourceCacheKey);
// Store verb in cache
getResourceCache().put(resourceCacheKey, verbDTO);
// Set cache key in the message context so that it can be used by the subsequent
// handlers.
synCtx.setProperty(APIConstants.API_RESOURCE_CACHE_KEY, resourceCacheKey);
return verbDTO;
}
}
}
}
}
return null;
}