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package com.sun.enterprise.tools.verifier.tests.web;
import com.sun.enterprise.deployment.InjectionTarget;
import com.sun.enterprise.tools.verifier.Result;
import com.sun.enterprise.deployment.EntityManagerReferenceDescriptor;
import com.sun.enterprise.deployment.WebBundleDescriptor;
import java.util.Set;
import javax.servlet.Servlet;
import javax.servlet.SingleThreadModel;
/**
* Assertion
*
* EntityManager should not be injected into a web application that uses multithread model.
* EntityManager is not thread safe, hence it should not be injected into a web application
* that uses multithreaded model.
*
* @author bshankar@sun.com
*/
public class EntityManagerInjection extends WebTest implements WebCheck {
final static String className = EntityManagerInjection.class.getName();
public Result check(WebBundleDescriptor descriptor) {
Result result = getInitializedResult();
addWarningDetails(result,
getVerifierContext().getComponentNameConstructor());
result.setStatus(Result.PASSED); //default status is PASSED
for(EntityManagerReferenceDescriptor emRefDesc : descriptor.getEntityManagerReferenceDescriptors()) {
Set<InjectionTarget> injectionTargets = emRefDesc.getInjectionTargets();
if(injectionTargets != null) {
for(InjectionTarget it : injectionTargets) {
String itClassName = it.getClassName();
String errMsg = smh.getLocalString(className + ".warning",
"Found a persistence unit by name [ {0} ] injected into [ {1} ].",
new Object[]{emRefDesc.getUnitName(), itClassName});
try {
Class c = Class.forName(itClassName, false, getVerifierContext().getClassLoader());
if(!(Servlet.class.isAssignableFrom(c))) {
result.warning(errMsg);
} else if (!(SingleThreadModel.class.isAssignableFrom(c))) {
result.warning(errMsg);
}
} catch(Exception ex) {
result.warning(errMsg);
}
}
}
}
return result;
}
}
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