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// Portions Copyright [2019-2021] [Payara Foundation and/or its affiliates]
package com.sun.ejb.containers;
import com.sun.ejb.ComponentContext;
import com.sun.ejb.EjbInvocation;
import com.sun.ejb.InvocationInfo;
import com.sun.enterprise.deployment.WebServiceEndpoint;
import com.sun.enterprise.util.LocalStringManagerImpl;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.rmi.UnmarshalException;
import java.util.Map;
import jakarta.ejb.AccessLocalException;
import jakarta.ejb.EJBException;
import org.glassfish.api.invocation.InvocationManager;
/**
* This is a proxy invocation handler for web service ejb invocations.
* A single instance of this invocation handler is used for all
* web service invocations to a particular ejb endpoint, so it must support
* concurrent use.
*
* @author Kenneth Saks
*/
public final class WebServiceInvocationHandler extends EJBLocalRemoteObject
implements InvocationHandler {
private final WebServiceEndpoint endpoint_;
private final Class ejbClass_;
private final Class serviceEndpointIntfClass_;
private final InvocationManager invManager_;
private final boolean hasHandlers_;
private final Map invocationInfoMap_;
private static final LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(WebServiceInvocationHandler.class);
public WebServiceInvocationHandler(Class ejbClass, WebServiceEndpoint endpoint, Class serviceEndpointIntfClass,
EjbContainerUtil contUtil, Map invocationInfoMap) {
ejbClass_ = ejbClass;
serviceEndpointIntfClass_ = serviceEndpointIntfClass;
endpoint_ = endpoint;
hasHandlers_ = endpoint.hasHandlers();
invManager_ = contUtil.getInvocationManager();
invocationInfoMap_ = invocationInfoMap;
}
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
try {
container.onEnteringContainer();
// NOTE : be careful with "args" parameter. It is null
// if method signature has 0 arguments.
final Class methodClass = method.getDeclaringClass();
if (methodClass == java.lang.Object.class) {
return InvocationHandlerUtil.invokeJavaObjectMethod(this, method, args);
}
// Invocation was created earlier in the web service dispatching
final EjbInvocation inv = (EjbInvocation) invManager_.getCurrentInvocation();
final Object returnValue = invoke(method, args, inv);
if (inv.exception != null) {
if (inv.exception instanceof java.lang.RuntimeException) {
throw (java.lang.RuntimeException) inv.exception;
} else if (inv.exception instanceof Exception) {
throw inv.exception;
} else {
final EJBException ejbEx = new EJBException(inv.exception.getMessage());
ejbEx.initCause(inv.exception);
throw ejbEx;
}
}
return returnValue;
} finally {
container.onLeavingContainer();
}
}
private Object invoke(Method method, Object[] args, EjbInvocation inv) throws Exception {
try {
inv.ejbObject = this;
// things can become hairy here. This handler may have been created
// with a dummy SEI to satisfy the EJB container. In such cases, we must
// find the right method object on the SIB.
if (endpoint_.getServiceEndpointInterface().equals(ejbClass_.getName())) {
// we need to substiture the method object
method = ejbClass_.getMethod(method.getName(), method.getParameterTypes());
}
inv.method = method;
inv.clientInterface = serviceEndpointIntfClass_;
inv.invocationInfo = (InvocationInfo) invocationInfoMap_.get(inv.method);
if (inv.invocationInfo == null) {
throw new EJBException("Web service Invocation Info lookup failed for method " + inv.method);
}
inv.transactionAttribute = inv.invocationInfo.txAttr;
// special handling of jaxrpc endpoints (identfied by mapping file)
if (endpoint_.getWebService().hasMappingFile()) {
if (hasHandlers_) {
// Handler performed method authorization already
} else {
final boolean authorized = container.authorize(inv);
if (!authorized) {
throw new AccessLocalException("Client not authorized to access " + inv.method);
}
}
} else if (hasHandlers_) {
// jaxws enpoint
// authorization was done in security pipe
// Now that application handlers have run, do
// another method lookup and compare the results
// with the original one. This ensures that the
// application handlers have not changed
// which method is invoked.
final Method methodBefore = inv.getWebServiceMethod();
if (methodBefore != null && !methodBefore.equals(inv.method)) {
inv.exception = new UnmarshalException(
localStrings.getLocalString("enterprise.webservice.postHandlerMethodMismatch",
"Original Method {0} does not match post-handler method {1}",
new Object[] {methodBefore, inv.method}));
throw inv.exception;
}
}
final ComponentContext ctx = container.getContext(inv);
inv.context = ctx;
inv.ejb = ctx.getEJB();
inv.instance = inv.ejb;
container.preInvokeTx(inv);
// Enterprise Bean class doesn't necessarily implement
// web service endpoint interface, so we can't directly
// dispatch through the given method object.
final Method beanClassMethod = ejbClass_.getMethod(method.getName(), method.getParameterTypes());
inv.beanMethod = beanClassMethod;
inv.methodParams = args;
return container.intercept(inv);
} catch (NoSuchMethodException nsme) {
inv.exception = nsme;
return null;
} catch (InvocationTargetException ite) {
inv.exception = ite.getCause();
return null;
} catch (Throwable c) {
inv.exception = c;
return null;
} finally {
if (inv.ejb != null) {
// Do post invoke tx processing so that a commit failure
// will be visible to web service client.
container.postInvokeTx(inv);
}
}
}
}