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package com.sun.enterprise.tools.verifier.tests.ejb.session;

import com.sun.enterprise.tools.verifier.tests.ejb.EjbTest;
import java.lang.ClassLoader;
import java.util.logging.Level;

import com.sun.enterprise.tools.verifier.tests.*;
import javax.ejb.SessionBean;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.EjbSessionDescriptor;
import com.sun.enterprise.tools.verifier.*;
import com.sun.enterprise.tools.verifier.tests.ejb.EjbCheck;

/** 
 * Implements the SessionBean Interface test.  
 * All session Beans must implement, directly or indirectly, the SessionBean 
 * interface.
 */
public class SessionBeanInterface extends EjbTest implements EjbCheck { 

    /**
     * Implements the SessionBean Interface test.  
     * All session Beans must implement, directly or indirectly, the SessionBean 
     * interface.
     *   
     * @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 {
		Context context = getVerifierContext();
		ClassLoader jcl = context.getClassLoader();
		Class c = Class.forName(descriptor.getEjbClassName(), false, getVerifierContext().getClassLoader());

		boolean validBean = false;
		// walk up the class tree 
		do {
		    Class[] interfaces = c.getInterfaces();
    
		    for (int i = 0; i < interfaces.length; i++) {
			logger.log(Level.FINE, getClass().getName() + ".debug1",
                    new Object[] {interfaces[i].getName()});
			if (interfaces[i].getName().equals("javax.ejb.SessionBean") &&
			    descriptor instanceof EjbSessionDescriptor) {
			    validBean = true;
			    result.addGoodDetails(smh.getLocalString
								("tests.componentNameConstructor",
								 "For [ {0} ]",
								 new Object[] {compName.toString()}));
			    result.passed(smh.getLocalString
					  (getClass().getName() + ".passed",
					   "[ {0} ] properly implements the SessionBean interface.",
					   new Object[] {descriptor.getEjbClassName()}));
			    break;
			}
		    }
		} while ((((c=c.getSuperclass()) != null) && (!validBean)));
          
		if (!validBean) {
		    result.addErrorDetails(smh.getLocalString
					   ("tests.componentNameConstructor",
					    "For [ {0} ]",
					    new Object[] {compName.toString()}));
		    result.failed(smh.getLocalString
				  (getClass().getName() + ".failed",
				   "Error: [ {0} ] does not properly implement the SessionBean interface.  All session Beans must implement the SessionBean interface.  [ {1} ] is not a valid bean.",
				   new Object[] {descriptor.getEjbClassName(),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[] {descriptor.getEjbClassName()}));
	    }  
	    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(),"Session","Entity"}));
	    return result;
	}
    }
}