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* and Distribution License("CDDL") (collectively, the "License"). You
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*
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* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
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package com.sun.ejb;
//XXX: import javax.xml.rpc.handler.MessageContext;
/* HARRY : JACC Changes */
import javax.xml.rpc.handler.MessageContext;
import javax.interceptor.InvocationContext;
import javax.ejb.EJBContext;
import javax.transaction.Transaction;
import java.security.Identity;
import java.util.HashSet;
import java.util.Map;
import java.util.HashMap;
import java.util.Set;
import java.lang.reflect.Method;
import java.rmi.Remote;
import javax.xml.ws.WebServiceContext;
import javax.xml.soap.SOAPMessage;
import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.security.CachedPermission;
import com.sun.xml.ws.api.message.Message;
/**
* The Invocation object contains state associated with an invocation
* on an EJB or EJBHome (local/remote). It is usually created by generated code
* in *ObjectImpl and *HomeImpl classes. It is passed as a parameter to
* Container.preInvoke() * and postInvoke(), which are called by the
* EJB(Local)Object/EJB(Local)Home before and after an invocation.
*/
public class Invocation
extends com.sun.enterprise.ComponentInvocation
implements InvocationContext
{
private static Map<Class, Set<Class>> compatiblePrimitiveWrapper
= new HashMap<Class, Set<Class>>();
static {
Set<Class> smallerPrimitiveWrappers = null;
smallerPrimitiveWrappers = new HashSet<Class>();
smallerPrimitiveWrappers.add(Byte.class);
compatiblePrimitiveWrapper.put(byte.class, smallerPrimitiveWrappers);
smallerPrimitiveWrappers = new HashSet<Class>();
smallerPrimitiveWrappers.add(Boolean.class);
compatiblePrimitiveWrapper.put(boolean.class, smallerPrimitiveWrappers);
smallerPrimitiveWrappers = new HashSet<Class>();
smallerPrimitiveWrappers.add(Character.class);
compatiblePrimitiveWrapper.put(char.class, smallerPrimitiveWrappers);
smallerPrimitiveWrappers = new HashSet<Class>();
smallerPrimitiveWrappers.add(Byte.class);
smallerPrimitiveWrappers.add(Short.class);
smallerPrimitiveWrappers.add(Integer.class);
smallerPrimitiveWrappers.add(Float.class);
smallerPrimitiveWrappers.add(Double.class);
compatiblePrimitiveWrapper.put(double.class, smallerPrimitiveWrappers);
smallerPrimitiveWrappers = new HashSet<Class>();
smallerPrimitiveWrappers.add(Byte.class);
smallerPrimitiveWrappers.add(Short.class);
smallerPrimitiveWrappers.add(Integer.class);
smallerPrimitiveWrappers.add(Float.class);
compatiblePrimitiveWrapper.put(float.class, smallerPrimitiveWrappers);
smallerPrimitiveWrappers = new HashSet<Class>();
smallerPrimitiveWrappers.add(Byte.class);
smallerPrimitiveWrappers.add(Short.class);
smallerPrimitiveWrappers.add(Integer.class);
compatiblePrimitiveWrapper.put(int.class, smallerPrimitiveWrappers);
smallerPrimitiveWrappers = new HashSet<Class>();
smallerPrimitiveWrappers.add(Byte.class);
smallerPrimitiveWrappers.add(Short.class);
smallerPrimitiveWrappers.add(Integer.class);
smallerPrimitiveWrappers.add(Long.class);
compatiblePrimitiveWrapper.put(long.class, smallerPrimitiveWrappers);
smallerPrimitiveWrappers = new HashSet<Class>();
smallerPrimitiveWrappers.add(Byte.class);
smallerPrimitiveWrappers.add(Short.class);
compatiblePrimitiveWrapper.put(short.class, smallerPrimitiveWrappers);
}
public Invocation()
{}
public Invocation(Object ejb, Object container) {
super(ejb, container);
this.ejb = ejb;
}
public Invocation(Object ejb, Object container, ComponentContext context) {
super(ejb, container, context);
this.ejb = ejb;
}
/**
* The EJBObject/EJBLocalObject which created this Invocation object.
* This identifies the target bean.
*/
public com.sun.ejb.containers.EJBLocalRemoteObject ejbObject;
/**
* Local flag: true if this invocation was made through an ejb local
* interface or a local business interface.
*/
public boolean isLocal=false;
/**
* InvocationInfo object caches information about the current method
*/
public InvocationInfo invocationInfo;
/**
* True if this invocation was made through a local business interface or
* a remote business interface.
*/
public boolean isBusinessInterface;
/**
* true if this is a web service invocation
*/
public boolean isWebService=false;
/**
* true if this is a message-driven bean invocation
*/
public boolean isMessageDriven=false;
/**
* true if this is an invocation on the home object
* this is required for jacc.
*/
public boolean isHome=false;
/**
* Home, Remote, LocalHome, Local, WebService, or business interface
* through which a synchronous ejb invocation was made.
*/
public Class clientInterface;
/**
* Method to be invoked. This is a method of the EJB's local/remote
* component interface for invocations on EJB(Local)Objects,
* or of the local/remote Home interface
* for invocations on the EJBHome.
* Set by the EJB(Local)Object/EJB(Local)Home before calling
* Container.preInvoke().
*/
public java.lang.reflect.Method method;
/**
* The EJB instance to be invoked.
* Set by Container and used by EJBObject/EJBHome.
*/
public Object ejb;
/**
* This reflects any exception that has occurred during this invocation,
* including preInvoke, bean method execution, and postInvoke.
*/
public Throwable exception;
/**
* Set to any exception directly thrown from bean method invocation,
* which could be either an application exception or a runtime exception.
* This is set *in addition to* the this.exception field. Some container
* processing logic, e.g. @Remove, depends specifically on whether a
* bean method threw an exception.
*/
public Throwable exceptionFromBeanMethod;
/**
* The client's transaction if any.
* Set by the Container during preInvoke() and used by the Container
* during postInvoke().
*/
public Transaction clientTx;
/**
* The EJBContext object of the bean instance being invoked.
* Set by the Container during preInvoke() and used by the Container
* during postInvoke().
*/
// Moved to com/sun/enterprise/ComponentInvocation
// public ComponentContext context;
/**
* The transaction attribute of the bean method. Set in generated
* EJBObject/Home/LocalObject/LocalHome class.
*/
public int transactionAttribute;
/**
* The security attribute of the bean method. Set in generated
* EJBObject/Home/LocalObject/LocalHome class.
*/
public int securityPermissions;
/**
* Used by MessageBeanContainer. true if container started
* a transaction for this invocation.
*/
public boolean containerStartsTx;
/**
* Used by MessageBeanContainer to keep track of the context class
* loader that was active before message delivery began.
*/
public ClassLoader originalContextClassLoader;
/**
* Used for web service invocations to hold SOAP message context.
* EJBs can access message context through SessionContext.
*/
/* HARRY: JACC Related Changes */
public MessageContext messageContext;
/**
* Used for JACC PolicyContextHandlers. The handler can query the container
* back for parameters on the ejb. This is set during the method invocation
* and is not available for preInvoke calls.
*/
public Object[] methodParams;
/**
* Result of txManager.getStatus() performed at the beginning of
* BaseContainer.preInvoke() and valid up until preinvokeTx().
* txManager.getStatus() accesses a thread-local which is an
* expensive operation. Storing status in the invocation makes it
* easier for some of the other early pre-invoke operations to
* re-use it.
*/
private Integer preInvokeTxStatus;
/**
* Tells if a CMP2.x bean was found in the Tx cache. Applicable
* only for CMP2.x beans
*/
public boolean foundInTxCache = false;
/**
* Tells if a fast path can be taken for a business method
* invocation.
*/
public boolean useFastPath = false;
/**
* Used by JACC implementation to get an enterprise bean
* instance for the EnterpriseBean policy handler. The jacc
* implementation should use this method rather than directly
* accessing the ejb field.
*/
public Object getJaccEjb() {
Object bean = null;
if( container != null ) {
bean = ((Container) container).getJaccEjb(this);
}
return bean;
}
/**
* This method returns the method interface constant for this Invocation.
*/
public String getMethodInterface() {
if (isWebService) {
return MethodDescriptor.EJB_WEB_SERVICE;
} else if (isMessageDriven) {
return MethodDescriptor.EJB_BEAN;
} else if (isLocal) {
return (isHome) ? MethodDescriptor.EJB_LOCALHOME :
MethodDescriptor.EJB_LOCAL;
} else {
return (isHome) ? MethodDescriptor.EJB_HOME :
MethodDescriptor.EJB_REMOTE;
}
}
/**
* Returns CachedPermission associated with this invocation, or
* null if not available.
*/
public CachedPermission getCachedPermission() {
return (invocationInfo != null) ? invocationInfo.cachedPermission :
null;
}
/**
* @return Returns the ejbCtx.
*/
public EJBContext getEJBContext() {
return (EJBContext) this.context;
}
public Integer getPreInvokeTxStatus() {
return preInvokeTxStatus;
}
public void setPreInvokeTxStatus(Integer txStatus) {
// Can be null, which means preInvokeTxStatus is no longer applicable.
preInvokeTxStatus = txStatus;
}
//Implementation of InvocationContext methods
private int interceptorIndex;
public Method beanMethod;
// Only set for web service invocations.
private WebServiceContext webServiceContext;
// Only set for EJB JAXWS
private Message message = null;
private SOAPMessage soapMessage = null;
private Map contextData;
public InterceptorChain getInterceptorChain() {
return (invocationInfo == null)
? null : invocationInfo.interceptorChain;
}
/**
* @return Returns the bean instance.
*/
public Object getTarget() {
return this.ejb;
}
/**
* @return For AroundInvoke methods, returns the bean class
* method being invoked. For lifecycle callback methods,
* returns null.
*/
public Method getMethod() {
return getBeanMethod();
}
public Method getBeanMethod() {
return this.beanMethod;
}
/**
* @return Returns the parameters that will be used to invoke
* the business method. If setParameters has been called,
* getParameters() returns the values to which the parameters
* have been set.
*/
public Object[] getParameters() {
return this.methodParams;
}
/**
* Set the parameters that will be used to invoke the business method.
*
*/
public void setParameters(Object[] params) {
Method method = getMethod();
if (method != null) {
Class[] paramTypes = method.getParameterTypes();
if ((params == null) && (paramTypes.length != 0)) {
throw new IllegalArgumentException("Wrong number of parameters for "
+ " method: " + method);
}
if (paramTypes.length != params.length) {
throw new IllegalArgumentException("Wrong number of parameters for "
+ " method: " + method);
}
int index = 0 ;
for (Class type : paramTypes) {
if (params[index] == null) {
if (type.isPrimitive()) {
throw new IllegalArgumentException("Parameter type mismatch for method "
+ method.getName() + ". Attempt to set a null value for Arg["
+ index + "]. Expected a value of type: " + type.getName());
}
} else if (type.isPrimitive()) {
Set<Class> compatibles = compatiblePrimitiveWrapper.get(type);
if (! compatibles.contains(params[index].getClass())) {
throw new IllegalArgumentException("Parameter type mismatch for method "
+ method.getName() + ". Arg["
+ index + "] type: " + params[index].getClass().getName()
+ " is not compatible with the expected type: " + type.getName());
}
} else if (! type.isAssignableFrom(params[index].getClass())) {
throw new IllegalArgumentException("Parameter type mismatch for method "
+ method.getName() + ". Arg["
+ index + "] type: " + params[index].getClass().getName()
+ " does not match the expected type: " + type.getName());
}
index++;
}
} else {
throw new IllegalStateException("Internal Error: Got null method");
}
this.methodParams = params;
}
//The following method is not part of InvocationContext interface
// but needed for JAXWS message context propagation
public void setContextData(WebServiceContext context) {
this.webServiceContext = context;
}
/**
* @return Returns the contextMetaData.
*/
public Map<String, Object> getContextData() {
if (this.contextData == null) {
this.contextData = (webServiceContext != null) ?
webServiceContext.getMessageContext() :
new HashMap<String, Object>();
}
return contextData;
}
/**
* This is for EJB JAXWS only.
* @param message an unconsumed message
*/
public void setMessage(Message message) {
this.message = message;
}
/**
* This is for EJB JAXWS only.
*/
public SOAPMessage getSOAPMessage() {
if (message != null && soapMessage == null) {
try {
soapMessage = message.readAsSOAPMessage();
} catch(Exception e) {
throw new RuntimeException(e);
}
//message consumed, set it to null
message = null;
}
return soapMessage;
}
/* (non-Javadoc)
* @see javax.interceptor.InvocationContext#proceed()
*/
public Object proceed()
throws Exception
{
try {
//TODO: Internal error if getInterceptorChain() is null
interceptorIndex++;
return getInterceptorChain().invokeNext(interceptorIndex, this);
} catch (Exception ex) {
throw ex;
} catch (Throwable th) {
throw new Exception(th);
} finally {
interceptorIndex--;
}
}
/*********************************************************/
public static interface InterceptorChain {
public Object invokeNext(int index, Invocation invCtx)
throws Throwable;
}
}
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