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/*
* TracingSystemHandlerFactory.java
*
* Created on August 12, 2004, 4:04 PM
*/
package org.glassfish.webservices.monitoring;
import com.sun.enterprise.deployment.WebServiceEndpoint;
import com.sun.enterprise.deployment.util.DOLUtils;
import org.glassfish.api.deployment.archive.ArchiveType;
import org.glassfish.webservices.SOAPMessageContext;
import java.util.*;
import java.util.logging.Logger;
import java.util.logging.Level;
import org.glassfish.webservices.LogUtils;
/**
* This class acts as a factory to create TracingSystemHandler
* instances. It also provides an API to register listeners
* of SOAP messages.
* <p><b>NOT THREAD SAFE: mutable instance variable: globalMessageListener</b>
*
* @author Jerome Dochez
*/
public final class WebServiceEngineImpl implements WebServiceEngine {
private final Map<String, Endpoint> endpoints = new HashMap<String, Endpoint>();
private final List<EndpointLifecycleListener> lifecycleListeners =
new ArrayList<EndpointLifecycleListener>();
private final List<AuthenticationListener> authListeners =
new ArrayList<AuthenticationListener>();
private volatile GlobalMessageListener globalMessageListener = null;
static final ThreadLocal servletThreadLocal = new ThreadLocal();
public static final Logger sLogger = LogUtils.getLogger();
/** Creates a new instance of TracingSystemHandlerFactory */
private WebServiceEngineImpl() {
// this is normally a bad idiom (see Java Concurrency 3.2), but
// this method is private, and can only be constructed in the static
// constructor below *and* the listern maintains no reference to 'this.
addAuthListener( new LogAuthenticationListener() );
}
private static final WebServiceEngineImpl INSTANCE = new WebServiceEngineImpl();
public static WebServiceEngineImpl getInstance() {
return INSTANCE;
}
public EndpointImpl createHandler(WebServiceEndpoint endpointDesc) {
EndpointImpl newEndpoint = createEndpointInfo(endpointDesc);
if (newEndpoint==null) {
return null;
}
String key = newEndpoint.getEndpointSelector();
endpoints.put(key, newEndpoint);
// notify listeners
for (EndpointLifecycleListener listener : lifecycleListeners) {
listener.endpointAdded(newEndpoint);
}
return newEndpoint;
}
public EndpointImpl createHandler(com.sun.xml.rpc.spi.runtime.SystemHandlerDelegate parent,
WebServiceEndpoint endpointDesc) {
EndpointImpl newEndpoint = createHandler(endpointDesc);
JAXRPCEndpointImpl.class.cast(newEndpoint).setParent(parent);
return newEndpoint;
}
@Override
public Endpoint getEndpoint(String uri) {
return endpoints.get(uri);
}
@Override
public Iterator<Endpoint> getEndpoints() {
return endpoints.values().iterator();
}
public void removeHandler(WebServiceEndpoint endpointDesc) {
EndpointImpl endpoint = (EndpointImpl) endpointDesc.getExtraAttribute(EndpointImpl.NAME);
if (endpoint==null)
return;
// remove this endpoint from our list of endpoints
endpoints.remove(endpoint.getEndpointSelector());
// notify listeners
for (EndpointLifecycleListener listener : lifecycleListeners) {
listener.endpointRemoved(endpoint);
}
// forcing the cleaning so we don't have DOL objects staying alive because
// some of our clients have not released the endpoint instance.
endpoint.setDescriptor(null);
}
@Override
public void addLifecycleListener(EndpointLifecycleListener listener) {
lifecycleListeners.add(listener);
}
@Override
public void removeLifecycleListener(EndpointLifecycleListener listener) {
lifecycleListeners.remove(listener);
}
@Override
public void addAuthListener(AuthenticationListener listener) {
authListeners.add(listener);
}
@Override
public void removeAuthListener(AuthenticationListener listener) {
authListeners.remove(listener);
}
public Collection<AuthenticationListener> getAuthListeners() {
return authListeners;
}
@Override
public GlobalMessageListener getGlobalMessageListener() {
return globalMessageListener;
}
@Override
public void setGlobalMessageListener(GlobalMessageListener listener) {
globalMessageListener = listener;
}
public boolean hasGlobalMessageListener() {
return globalMessageListener!=null;
}
private EndpointImpl createEndpointInfo(WebServiceEndpoint endpoint) {
try {
String endpointURL = endpoint.getEndpointAddressUri();
EndpointType endpointType;
ArchiveType moduleType = endpoint.getWebService().getWebServicesDescriptor().getModuleType();
if (moduleType != null && moduleType.equals(DOLUtils.ejbType())) {
endpointType = EndpointType.EJB_ENDPOINT;
} else {
endpointType = EndpointType.SERVLET_ENDPOINT;
}
EndpointImpl newEndpoint;
// At this point, we can depend on presence of mapping file to distinguish between JAXRPC and JAXWS
// service
if(endpoint.getWebService().hasMappingFile()) {
newEndpoint = new JAXRPCEndpointImpl(endpointURL, endpointType);
} else {
newEndpoint = new JAXWSEndpointImpl(endpointURL, endpointType);
}
newEndpoint.setDescriptor(endpoint);
return newEndpoint;
} catch(Exception e) {
sLogger.log(Level.SEVERE, LogUtils.EXCEPTION_CREATING_ENDPOINT, e);
}
return null;
}
/**
* Callback when a web service request entered the web service container
* before any processing is done.
* @param endpoint the Endpoint
* @return a message ID to trace the request in the subsequent callbacks
*/
public String preProcessRequest(Endpoint endpoint) {
if (globalMessageListener==null)
return null;
return globalMessageListener.preProcessRequest(endpoint);
}
/**
* Callback when a web service request is received on
* the endpoint.
* @param messageID returned by preProcessRequest call
* @param context the jaxrpc message trace, transport dependent.
*/
public void processRequest(String messageID, com.sun.xml.rpc.spi.runtime.SOAPMessageContext context,
TransportInfo info) {
if (globalMessageListener==null)
return;
globalMessageListener.processRequest(messageID, context, info);
}
/**
* Callback when a web service response is received on the
* endpoint.
* @param messageID returned by the preProcessRequest call
* @param context jaxrpc message context
*/
public void processResponse(String messageID, com.sun.xml.rpc.spi.runtime.SOAPMessageContext context) {
if (globalMessageListener==null)
return;
globalMessageListener.processResponse(messageID, context);
}
/**
* Callback when a 2.0 web service request is received on
* the endpoint.
* @param messageID returned by preProcessRequest call
* @param context the jaxws message trace, transport dependent.
* @param info the transport info
*/
public void processRequest(String messageID, SOAPMessageContext context,
TransportInfo info) {
if (globalMessageListener==null)
return;
globalMessageListener.processRequest(messageID, context, info);
}
/**
* Callback when a 2.0 web service response is received on the
* endpoint.
* @param messageID returned by the preProcessRequest call
* @param context jaxws message context
*/
public void processResponse(String messageID, SOAPMessageContext context) {
if (globalMessageListener==null)
return;
globalMessageListener.processResponse(messageID, context);
}
/**
* Callback when a web service response has finished being processed
* by the container and was sent back to the client
* @param messageID returned by the preProcessRequest call
*/
public void postProcessResponse(String messageID, TransportInfo info) {
if (globalMessageListener==null)
return;
globalMessageListener.postProcessResponse(messageID, info);
}
public ThreadLocal getThreadLocal() {
return servletThreadLocal;
}
}