Glassfish example source code file (EjbFinderMethodObjectNotFoundException.java)

This example Glassfish source code file (EjbFinderMethodObjectNotFoundException.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Glassfish tags/keywords

an, class, class, ejb, ejb, ejbclass, error, finder, for, for, method, object, object, reflection, result

The Glassfish EjbFinderMethodObjectNotFoundException.java source code

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package com.sun.enterprise.tools.verifier.tests.ejb.entity.ejbfindermethod;

import com.sun.enterprise.tools.verifier.tests.ejb.EjbTest;
import java.lang.reflect.*;

import com.sun.enterprise.deployment.EjbEntityDescriptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.tools.verifier.tests.ejb.EjbCheck;
import com.sun.enterprise.tools.verifier.tests.ejb.EjbUtils;
import com.sun.enterprise.tools.verifier.*;
import java.lang.ClassLoader;
import com.sun.enterprise.tools.verifier.tests.*;

/** 
 * Single-object ejbFind<METHOD>(...) methods throws ObjectNotFoundException 
 *  test.  
 *
 *   EJB class contains all ejbFind<METHOD>(...) methods declared in the bean 
 *   class.  
 *
 *   The signatures of the finder methods must follow the following rules: 
 *
 *     A finder method name must start with the prefix ``ejbFind'' 
 *     (e.g. ejbFindByPrimaryKey, ejbFindLargeAccounts, ejbFindLateShipments). 
 * 
 *     The ObjectNotFoundException is a subclass of FinderException. It is 
 *     thrown by the ejbFind<METHOD>(...) methods to indicate that the 
 *     requested entity object does not exist. 
 *
 *     Only single-object finders (see Subsection 9.1.8) may throw this 
 *     exception.   Multi-object finders must not throw this exception.
 * 
 */
public class EjbFinderMethodObjectNotFoundException extends EjbTest implements EjbCheck { 


    /** 
     * Single-object ejbFind<METHOD>(...) methods throws ObjectNotFoundException 
     *  test.  
     *
     *   EJB class contains all ejbFind<METHOD>(...) methods declared in the bean 
     *   class.  
     *
     *   The signatures of the finder methods must follow the following rules: 
     *
     *     A finder method name must start with the prefix ``ejbFind'' 
     *     (e.g. ejbFindByPrimaryKey, ejbFindLargeAccounts, ejbFindLateShipments). 
     *
     *     The ObjectNotFoundException is a subclass of FinderException. It is 
     *     thrown by the ejbFind<METHOD>(...) methods to indicate that the 
     *     requested entity object does not exist. 
     *
     *     Only single-object finders (see Subsection 9.1.8) may throw this 
     *     exception.   Multi-object finders must not throw this exception.
     * 
     * @param descriptor the Enterprise Java Bean deployment descriptor
     *   
     * @return <code>Result the results for this assertion
     */
    public Result check(EjbDescriptor descriptor) {

	Result result = getInitializedResult();
	ComponentNameConstructor compName = getVerifierContext().getComponentNameConstructor();

	if (descriptor instanceof EjbEntityDescriptor) {
	    String persistence =
		((EjbEntityDescriptor)descriptor).getPersistenceType();
	    if (EjbEntityDescriptor.BEAN_PERSISTENCE.equals(persistence)) {

		boolean okayToThrowObjectNotFoundException = false;
		boolean throwsObjectNotFoundException = false;
		boolean oneFailed = false;
		int findMethodModifiers = 0;
		int foundAtLeastOne = 0;
		try {
		    // retrieve the EJB Class Methods
		    VerifierTestContext context = getVerifierContext();
		ClassLoader jcl = context.getClassLoader();
		    Class EJBClass = Class.forName(descriptor.getEjbClassName(), false, getVerifierContext().getClassLoader());
                    // start do while loop here....
                    do {
			Method [] ejbFinderMethods = EJBClass.getDeclaredMethods();
			String primaryKeyType = ((EjbEntityDescriptor)descriptor).getPrimaryKeyClassName();
    	  
			for (int j = 0; j < ejbFinderMethods.length; ++j) {
			    if (ejbFinderMethods[j].getName().startsWith("ejbFind")) {
				okayToThrowObjectNotFoundException = false;
				throwsObjectNotFoundException = false;
				Class returnByPrimaryKeyValue = ejbFinderMethods[j].getReturnType();
				foundAtLeastOne++;
				// Only single-object finders (see Subsection 9.1.8) may throw this 
				// exception.   Multi-object finders must not throw this exception.
				if (returnByPrimaryKeyValue.getName().equals(primaryKeyType))  {
				    okayToThrowObjectNotFoundException = true;
				} else if ((returnByPrimaryKeyValue.getName().equals("java.util.Collection"))  ||
					   (returnByPrimaryKeyValue.getName().equals("java.util.Enumeration"))) {
				    okayToThrowObjectNotFoundException = false;
				}
  
				// now check exceptions, if it's not okay to throw
				// ObjectNotFoundException, then flag this as an error, otherwise
				// test passes or is not applicable
				if (!okayToThrowObjectNotFoundException) {
				// get the exceptions and see if this method throw 
				// ObjectNotFoundException when it was not allowed to
				    Class [] exceptions = ejbFinderMethods[j].getExceptionTypes();
				    if (EjbUtils.isValidObjectNotFoundExceptionException(exceptions)) {
					throwsObjectNotFoundException = true;
				    }
				}
  
  
				if ((okayToThrowObjectNotFoundException) || ((!okayToThrowObjectNotFoundException) && (!throwsObjectNotFoundException))) {
				    result.addGoodDetails(smh.getLocalString
							  ("tests.componentNameConstructor",
							   "For [ {0} ]",
							   new Object[] {compName.toString()}));
				    result.addGoodDetails(smh.getLocalString
							  (getClass().getName() + ".debug1",
							   "For EJB Class [ {0} ] Finder Method [ {1} ]",
							   new Object[] {EJBClass.getName(),ejbFinderMethods[j].getName()}));
				    result.addGoodDetails(smh.getLocalString
							  (getClass().getName() + ".passed",
							   "An [ {0} ] method was found with valid exception types declared in throws clause.",
							   new Object[] {ejbFinderMethods[j].getName()}));
				} else if ((!okayToThrowObjectNotFoundException) && throwsObjectNotFoundException) {
				    oneFailed = true;
				    result.addErrorDetails(smh.getLocalString
							   ("tests.componentNameConstructor",
							    "For [ {0} ]",
							    new Object[] {compName.toString()}));
				    result.addErrorDetails(smh.getLocalString
							   (getClass().getName() + ".debug1",
							    "For EJB Class [ {0} ] Finder Method [ {1} ]",
							    new Object[] {EJBClass.getName(),ejbFinderMethods[j].getName()}));
				    result.addErrorDetails(smh.getLocalString
							   (getClass().getName() + ".failed",
							    "Error: An [ {0} ] method was found, but [ {1} ] throws ObjectNotFoundException.  Multi-object finder methods must not throw this exception.",
							    new Object[] {ejbFinderMethods[j].getName(),ejbFinderMethods[j].getName()}));
				}			 
			    }
			}
                    } while (((EJBClass = EJBClass.getSuperclass()) != null) && (foundAtLeastOne == 0));
  
		    if (foundAtLeastOne == 0) {
			result.addNaDetails(smh.getLocalString
				       ("tests.componentNameConstructor",
					"For [ {0} ]",
					new Object[] {compName.toString()}));
			result.notApplicable(smh.getLocalString
					     (getClass().getName() + ".notApplicable1",
					      "[ {0} ] does not declare any ejbFind<METHOD>(...) methods.",
					      new Object[] {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: EJB Class [ {1} ] does not exist or is not loadable.",
				   new Object[] {descriptor.getEjbClassName()}));
		    oneFailed = true;
		}
    
		if (oneFailed) {
		    result.setStatus(result.FAILED);
                } else if (foundAtLeastOne == 0) {
                    result.setStatus(result.NOT_APPLICABLE);
		} else {
		    result.setStatus(result.PASSED);
		}
    
		return result;

	    } else  { //if (CONTAINER_PERSISTENCE.equals(persistence))
		result.addNaDetails(smh.getLocalString
				    ("tests.componentNameConstructor",
				     "For [ {0} ]",
				     new Object[] {compName.toString()}));
		result.notApplicable(smh.getLocalString
				     (getClass().getName() + ".notApplicable2",
				      "Expected [ {0} ] managed persistence, but [ {1} ] bean has [ {2} ] managed persistence.",
				      new Object[] {EjbEntityDescriptor.BEAN_PERSISTENCE,descriptor.getName(),persistence}));
		return result;
	    }


	} else {
	    result.addNaDetails(smh.getLocalString
				("tests.componentNameConstructor",
				 "For [ {0} ]",
				 new Object[] {compName.toString()}));
	    result.notApplicable(smh.getLocalString
				 (getClass().getName() + ".notApplicable",
				  "[ {0} ] expected {1} bean, but called with {2} bean.",
				  new Object[] {getClass(),"Entity","Session"}));
	    return result;
	}
    }
}