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package com.sun.enterprise.tools.verifier.tests.ejb.session;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.EjbSessionDescriptor;
import com.sun.enterprise.tools.verifier.Result;
import com.sun.enterprise.tools.verifier.Verifier;
import com.sun.enterprise.tools.verifier.tests.ComponentNameConstructor;
import com.sun.enterprise.tools.verifier.tests.ejb.EjbCheck;
import com.sun.enterprise.tools.verifier.tests.ejb.EjbTest;
/**
* The Bean Provider must assume that the content of transient fields may be
* lost between the ejbPassivate and ejbActivate notifications. Therefore, the
* Bean Provider should not store in a transient field a reference to any of
* the following objects: SessionContext object; environment JNDI naming
* context and any its subcontexts; home and remote interfaces; and the
* UserTransaction interface. The restrictions on the use of transient fields
* ensure that Containers can use Java Serialization during passivation and
* activation.
*/
public class TransientFieldsSerialization extends EjbTest implements EjbCheck {
/**
* The Bean Provider must assume that the content of transient fields may be
* lost between the ejbPassivate and ejbActivate notifications. Therefore, the
* Bean Provider should not store in a transient field a reference to any of
* the following objects: SessionContext object; environment JNDI naming
* context and any its subcontexts; home and remote interfaces; and the
* UserTransaction interface. The restrictions on the use of transient fields
* ensure that Containers can use Java Serialization during passivation and
* activation.
*
* @param descriptor the Enterprise Java Bean deployment descriptor
*
* @return <code>Result</code> the results for this assertion
*/
public Result check(EjbDescriptor descriptor) {
Result result = getInitializedResult();
ComponentNameConstructor compName = getVerifierContext().getComponentNameConstructor();
boolean isEjb30 = descriptor.getEjbBundleDescriptor()
.getSpecVersion().equalsIgnoreCase("3.0");
if (descriptor instanceof EjbSessionDescriptor) {
try {
Class c = Class.forName(((EjbSessionDescriptor)descriptor).getEjbClassName(), false,
getVerifierContext().getClassLoader());
// Bean Provider should not store in a transient field a reference to
// any of the following objects: SessionContext object; environment
// JNDI naming context and any its subcontexts; home and remote
// interfaces; and the UserTransaction interface.
Field [] fields = c.getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
int modifiers = fields[i].getModifiers();
if (!Modifier.isTransient(modifiers)) {
continue;
} else {
Class fc = fields[i].getType();
// can't do anything with environment JNDI naming context and
// any its subcontexts
//sg133765: do we need to do something for business interface
if ((fc.getName().equals("javax.ejb.SessionContext")) ||
(fc.getName().equals("javax.transaction.UserTransaction")) ||
(fc.getName().equals(descriptor.getRemoteClassName())) ||
(fc.getName().equals(descriptor.getHomeClassName()))||
(fc.getName().equals(descriptor.getLocalClassName())) ||
(fc.getName().equals(descriptor.getLocalHomeClassName())) ||
(isEjb30 && fc.getName().equals("javax.ejb.EntityManager")) ||
(isEjb30 && fc.getName().equals("javax.ejb.EntityManagerFactory"))) {
result.failed(smh.getLocalString
("tests.componentNameConstructor",
"For [ {0} ]",
new Object[] {compName.toString()}));
result.addErrorDetails(smh.getLocalString
(getClass().getName() + ".failed",
"Error: Field [ {0} ] defined within" +
" session bean class [ {1} ] is defined as transient. " +
"Session bean fields should not store in a " +
"transient field a reference to any of the following objects: " +
"SessionContext object; environment JNDI naming context and any " +
"its subcontexts; home and remote interfaces;" +
" and the UserTransaction interface.",
new Object[] {fields[i].getName(),
((EjbSessionDescriptor)descriptor).getEjbClassName()}));
}
}
}
} catch (ClassNotFoundException e) {
Verifier.debug(e);
result.addErrorDetails(smh.getLocalString
("tests.componentNameConstructor",
"For [ {0} ]",
new Object[] {compName.toString()}));
result.failed(smh.getLocalString
(getClass().getName() + ".failedException",
"Error: [ {0} ] class not found.",
new Object[] {((EjbSessionDescriptor)descriptor).getEjbClassName()}));
}
}
if(result.getStatus()!=Result.FAILED) {
addGoodDetails(result, compName);
result.passed(smh.getLocalString
(getClass().getName() + ".passed",
"This session bean class has not stored in a " +
"transient field a reference to any of the following objects: " +
"SessionContext object; environment JNDI naming context and" +
" any its subcontexts; home and remote interfaces; and the " +
"UserTransaction interface."));
}
return result;
}
}
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