/** Transcribes from XML to types supported by BISDL or Transcribable Java objects. */
@SuppressWarnings("unchecked")
public class XMLTranscriptionInput implements TranscriptionInput {
private static final CougarLogger logger =
CougarLoggingUtils.getLogger(XMLTranscriptionInput.class);
private static final QName keyAttName = new QName("key");
private OMElement currentNode;
public XMLTranscriptionInput(OMElement currentNode) {
this.currentNode = currentNode;
}
public Object readObject(Parameter param, boolean client) throws Exception {
Iterator iterator = currentNode.getChildrenWithLocalName(param.getName());
if (!iterator.hasNext()) {
return null;
}
return readObject(param.getParameterType(), (OMElement) iterator.next(), client);
}
private Object readObject(ParameterType paramType, OMElement node, boolean client)
throws Exception {
switch (paramType.getType()) {
case BOOLEAN:
case DOUBLE:
case FLOAT:
case INT:
case LONG:
case STRING:
case ENUM:
case DATE:
case BYTE:
return node == null
? null
: readSimpleObject(paramType, node.getLocalName(), node.getText(), client);
case OBJECT:
// descend - note possibly two levels if inside a collection recursion
OMElement _copy = this.currentNode;
currentNode = node;
Transcribable t = (Transcribable) paramType.getImplementationClass().newInstance();
t.transcribe(this, TranscribableParams.getAll(), client);
// ascend
this.currentNode = _copy;
return t;
case MAP:
Map map = new HashMap();
for (Iterator i = node.getChildElements(); i.hasNext(); ) {
OMElement element = (OMElement) i.next();
Object key =
readSimpleObject(
paramType.getComponentTypes()[0],
node.getLocalName(),
element.getAttributeValue(keyAttName),
client);
map.put(
key,
readObject(
paramType.getComponentTypes()[1],
(OMElement) element.getChildElements().next(),
client));
}
return map;
case LIST:
if (paramType.getComponentTypes()[0].getType() == ParameterType.Type.BYTE) {
try {
return Base64Utils.decode(node.getText());
} catch (Exception e) {
String message = "Unable to parse " + node.getText() + " as type " + paramType;
logger.log(Level.FINER, message, e);
throw CougarMarshallingException.unmarshallingException("soap", message, e, client);
}
} else {
List list = new ArrayList();
for (Iterator i = node.getChildElements(); i.hasNext(); ) {
list.add(readObject(paramType.getComponentTypes()[0], (OMElement) i.next(), client));
}
return list;
}
case SET:
Set set = new HashSet();
for (Iterator i = node.getChildElements(); i.hasNext(); ) {
set.add(readObject(paramType.getComponentTypes()[0], (OMElement) i.next(), client));
}
return set;
}
return null;
}
private Object readSimpleObject(
ParameterType paramType, String paramName, String textValue, boolean client) {
try {
switch (paramType.getType()) {
case BOOLEAN:
if (textValue.equalsIgnoreCase("true")) {
return true;
}
if (textValue.equalsIgnoreCase("false")) {
return false;
}
throw new IllegalArgumentException();
case DOUBLE:
return Double.valueOf(textValue);
case FLOAT:
return Float.valueOf(textValue);
case INT:
return Integer.valueOf(textValue);
case LONG:
return Long.valueOf(textValue);
case STRING:
return textValue;
case ENUM:
// this is converted to an enum further down in the Transcribable implementation so the
// original raw value can be stored in a soft failure..
return textValue;
case DATE:
return DateTimeUtility.parse(textValue);
case BYTE:
return Byte.valueOf(textValue);
}
} catch (Exception e) {
throw exceptionDuringDeserialisation(paramType, paramName, e, client);
}
throw new UnsupportedOperationException(
"Parameter Type " + paramType + " is not supported as a simple object type");
}
public static CougarValidationException exceptionDuringDeserialisation(
ParameterType paramType, String paramName, Exception e, boolean client) {
StringBuilder logBuffer = new StringBuilder();
logBuffer.append("Unable to convert data in request to ");
logBuffer.append(paramType.getType().name());
logBuffer.append(" for parameter: ");
logBuffer.append(paramName);
String message = logBuffer.toString();
logger.log(Level.FINER, message, e);
throw CougarMarshallingException.unmarshallingException("xml", message, e, client);
}
}
/** This class is used as a stub to facilitate NIO unit testing */
public class ServerClientFactory {
private static CougarLogger logger = CougarLoggingUtils.getLogger(ServerClientFactory.class);
public static final int COMMAND_STOP_SERVER = 1;
public static final int COMMAND_SLEEP_60S = 2;
public static final int COMMAND_ECHO_ARG2 = 100;
public static final int COMMAND_FRAMEWORK_ERROR = 999;
public static ExecutionVenueNioServer createServer(byte serverVersion, TlsNioConfig cfg) {
CougarProtocol.setMinServerProtocolVersion(serverVersion);
CougarProtocol.setMaxServerProtocolVersion(serverVersion);
final ExecutionVenueNioServer server = new ExecutionVenueNioServer();
server.setNioConfig(cfg);
SocketTransportCommandProcessor cmdProcessor = new SocketTransportCommandProcessor();
cmdProcessor.setIdentityResolverFactory(new IdentityResolverFactory());
Executor executor =
new Executor() {
@Override
public void execute(Runnable command) {
Thread t = new Thread(command);
t.start();
}
};
GeoIPLocator geo = Mockito.mock(GeoIPLocator.class);
SocketRMIMarshaller marshaller =
new SocketRMIMarshaller(
geo, new CommonNameCertInfoExtractor(), new DefaultSocketTimeResolver(true));
IdentityResolverFactory identityResolverFactory = new IdentityResolverFactory();
identityResolverFactory.setIdentityResolver(Mockito.mock(IdentityResolver.class));
ExecutionVenue ev =
new ExecutionVenue() {
@Override
public void registerOperation(
String namespace,
OperationDefinition def,
Executable executable,
ExecutionTimingRecorder recorder,
long maxExecutionTime) {}
@Override
public OperationDefinition getOperationDefinition(OperationKey key) {
return AbstractClientTest.OPERATION_DEFINITION;
}
@Override
public Set<OperationKey> getOperationKeys() {
return null;
}
@Override
public void execute(
ExecutionContext ctx,
OperationKey key,
Object[] args,
ExecutionObserver observer,
TimeConstraints timeConstraints) {
switch (Integer.parseInt(args[1].toString())) {
case COMMAND_STOP_SERVER:
logger.log(Level.INFO, "Stopping server");
server.stop();
break;
case COMMAND_SLEEP_60S:
logger.log(Level.INFO, "Sleeping for 60s");
try {
Thread.sleep(60000L);
} catch (Exception e) {
}
case COMMAND_ECHO_ARG2:
observer.onResult(new ExecutionResult(args[2]));
break;
case COMMAND_FRAMEWORK_ERROR:
observer.onResult(
new ExecutionResult(
new CougarServiceException(
ServerFaultCode.FrameworkError, AbstractClientTest.BANG)));
break;
}
}
public void execute(
final ExecutionContext ctx,
final OperationKey key,
final Object[] args,
final ExecutionObserver observer,
Executor executor,
final TimeConstraints timeConstraints) {
executor.execute(
new Runnable() {
@Override
public void run() {
execute(ctx, key, args, observer, timeConstraints);
}
});
}
@Override
public void setPreProcessors(List<ExecutionPreProcessor> preProcessorList) {}
@Override
public void setPostProcessors(List<ExecutionPostProcessor> preProcessorList) {}
};
cmdProcessor.setExecutor(executor);
cmdProcessor.setMarshaller(marshaller);
cmdProcessor.setExecutionVenue(ev);
ServiceBindingDescriptor desc =
new SocketBindingDescriptor() {
@Override
public OperationBindingDescriptor[] getOperationBindings() {
return new OperationBindingDescriptor[] {
new SocketOperationBindingDescriptor(
AbstractClientTest.OPERATION_DEFINITION.getOperationKey())
};
}
@Override
public ServiceVersion getServiceVersion() {
return AbstractClientTest.OPERATION_DEFINITION.getOperationKey().getVersion();
}
@Override
public String getServiceName() {
return AbstractClientTest.OPERATION_DEFINITION.getOperationKey().getServiceName();
}
@Override
public Protocol getServiceProtocol() {
return Protocol.SOCKET;
}
};
cmdProcessor.bind(desc);
cmdProcessor.onCougarStart();
final NioLogger nioLogger = new NioLogger("ALL");
ExecutionVenueServerHandler handler =
new ExecutionVenueServerHandler(nioLogger, cmdProcessor, new HessianObjectIOFactory());
server.setServerHandler(handler);
IoSessionManager sessionManager = new IoSessionManager();
sessionManager.setNioLogger(nioLogger);
sessionManager.setMaxTimeToWaitForRequestCompletion(5000);
server.setSessionManager(sessionManager);
return server;
}
public static TlsNioConfig getDefaultConfig() {
TlsNioConfig cfg = new TlsNioConfig();
cfg.setNioLogger(new NioLogger("ALL"));
cfg.setReuseAddress(true);
cfg.setTcpNoDelay(true);
return cfg;
}
public static ExecutionVenueNioServer createServer(String host, int port, byte serverVersion) {
return createServer(host, port, serverVersion, getDefaultConfig());
}
public static ExecutionVenueNioServer createServer(
String host, int port, byte serverVersion, TlsNioConfig cfg) {
cfg.setListenAddress(host);
cfg.setListenPort(port);
return createServer(serverVersion, cfg);
}
public static ExecutionVenueNioClient createClient(String connectionString, NioConfig cfg) {
GeoIPLocator geo = Mockito.mock(GeoIPLocator.class);
SocketRMIMarshaller marshaller =
new SocketRMIMarshaller(
geo, new CommonNameCertInfoExtractor(), new DefaultSocketTimeResolver());
IdentityResolverFactory factory = new IdentityResolverFactory();
factory.setIdentityResolver(Mockito.mock(IdentityResolver.class));
NioLogger logger = new NioLogger("ALL");
ExecutionVenueNioClient client =
new ExecutionVenueNioClient(
logger,
cfg,
new HessianObjectIOFactory(),
new ClientConnectedObjectManager(),
null,
connectionString,
new JMXReportingThreadPoolExecutor(
30, 60, 0, TimeUnit.SECONDS, new SynchronousQueue<Runnable>()),
new JMXReportingThreadPoolExecutor(
30, 60, 0, TimeUnit.SECONDS, new SynchronousQueue<Runnable>()),
new DNSBasedAddressResolver());
client.setMarshaller(marshaller);
return client;
}
public static ExecutionVenueNioClient createClient(String connectionString) {
return createClient(connectionString, getDefaultConfig());
}
}
@ManagedResource
public class HealthServiceImpl implements HealthService {
static final CougarLogger logger = CougarLoggingUtils.getLogger(HealthServiceImpl.class);
private MonitorRegistry monitorRegistry;
@Override
public void init(ContainerContext cc) {
this.monitorRegistry = cc.getMonitorRegistry();
}
@Override
public HealthSummaryResponse isHealthy(final RequestContext ctx, TimeConstraints timeConstraints)
throws HealthException {
HealthSummaryResponse response = new HealthSummaryResponse();
if (isSystemInService()) {
response.setHealthy(getHealth());
} else {
response.setHealthy(RestrictedHealthStatus.FAIL);
}
return response;
}
private RestrictedHealthStatus getHealth() throws HealthException {
RestrictedHealthStatus currentState = RestrictedHealthStatus.OK;
if (monitorRegistry == null) {
logger.log(Level.SEVERE, "MonitorRegistry is null");
throw new HealthException(ResponseCode.InternalError, HealthExceptionErrorCodeEnum.NULL);
}
StatusAggregator agg = monitorRegistry.getStatusAggregator();
if (agg == null) {
logger.log(Level.SEVERE, "StatusAggregator is null");
throw new HealthException(ResponseCode.InternalError, HealthExceptionErrorCodeEnum.NULL);
}
Status status = agg.getStatus();
if (status == null) {
logger.log(Level.SEVERE, "Status is null");
throw new HealthException(ResponseCode.InternalError, HealthExceptionErrorCodeEnum.NULL);
}
if (status.equals(Status.FAIL)) {
currentState = RestrictedHealthStatus.FAIL;
}
return currentState;
}
@Override
public HealthDetailResponse getDetailedHealthStatus(
RequestContext reqCtx, TimeConstraints timeConstraints) throws HealthException {
HealthDetailResponse detail = new HealthDetailResponse();
List<SubComponentStatus> subStatuses = new ArrayList<>();
for (Monitor m : monitorRegistry.getMonitorSet()) {
SubComponentStatus scs = new SubComponentStatus();
scs.setName(m.getName());
Status monitorStatus = m.getStatus();
scs.setStatus(getHealthStatus(monitorStatus));
subStatuses.add(scs);
}
detail.setSubComponentList(subStatuses);
if (!isSystemInService()) {
detail.setHealth(HealthStatus.OUT_OF_SERVICE);
} else {
detail.setHealth(getHealthStatus(monitorRegistry.getStatusAggregator().getStatus()));
}
return detail;
}
private HealthStatus getHealthStatus(Status status) {
switch (status) {
case OK:
case WARN:
case FAIL:
return HealthStatus.valueOf(status.name());
}
throw new IllegalArgumentException("Cannot convert Status." + status + " to a HealthStatus");
}
@ManagedAttribute
public boolean isSystemInService() {
for (Monitor m : monitorRegistry.getMonitorSet()) {
if (m instanceof InOutServiceMonitor) {
return ((InOutServiceMonitor) m).isInService();
}
}
return true;
}
@ManagedAttribute
public boolean isSystemHealthy() {
try {
HealthStatus status =
getDetailedHealthStatus(null, DefaultTimeConstraints.NO_CONSTRAINTS).getHealth();
return status == HealthStatus.OK || status == HealthStatus.WARN;
} catch (HealthException e) {
return false;
}
}
}