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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 should not declare the session bean fields in the session
* bean class as transient.
*
* This is to allow the Container to swap out an instance's state through
* techniques other than the Java Serialization protocol. For example, the
* Container's Java Virtual Machine implementation may use a block of memory
* to keep the instance's variables, and the Container swaps the whole memory
* block to the disk instead of performing Java Serialization on the instance.
*/
public class BeanFieldsTransient extends EjbTest implements EjbCheck {
/**
* The Bean Provider should not declare the session bean fields in the session
* bean class as transient.
*
* This is to allow the Container to swap out an instance's state through
* techniques other than the Java Serialization protocol. For example, the
* Container's Java Virtual Machine implementation may use a block of memory
* to keep the instance's variables, and the Container swaps the whole memory
* block to the disk instead of performing Java Serialization on the instance.
*
* @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();
if (descriptor instanceof EjbSessionDescriptor) {
try {
Class c = Class.forName(((EjbSessionDescriptor)descriptor).getEjbClassName(), false, getVerifierContext().getClassLoader());
// fields should not be defined in the session bean class as transient.
Field [] fields = c.getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
int modifiers = fields[i].getModifiers();
if (!Modifier.isTransient(modifiers)) {
continue;
} else {
addWarningDetails(result, compName);
result.warning(smh.getLocalString
(getClass().getName() + ".warning",
"Warning: Field [ {0} ] defined within session bean class [ {1} ] is defined as transient. Session bean fields should not be defined in the session bean class as transient.",
new Object[] {fields[i].getName(),((EjbSessionDescriptor)descriptor).getEjbClassName()}));
}
}
} catch (ClassNotFoundException e) {
Verifier.debug(e);
addErrorDetails(result, compName);
result.failed(smh.getLocalString
(getClass().getName() + ".failedException",
"Error: [ {0} ] class not found.",
new Object[] {((EjbSessionDescriptor)descriptor).getEjbClassName()}));
} catch (Throwable t) {
addWarningDetails(result, compName);
result.warning(smh.getLocalString
(getClass().getName() + ".warningException",
"Warning: [ {0} ] class encountered [ {1} ]. " +
"Cannot access fields of class [ {2} ] which is external to [ {3} ].",
new Object[] {(descriptor).getEjbClassName(),t.toString(),
t.getMessage(),
descriptor.getEjbBundleDescriptor().getModuleDescriptor().getArchiveUri()}));
}
return result;
}
if(result.getStatus()!=Result.WARNING){
addGoodDetails(result, compName);
result.passed(smh.getLocalString
(getClass().getName() + ".passed",
"The session bean class has defined all fields " +
"as non-transient fields."));
}
return result;
}
}