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

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

import com.sun.enterprise.deployment.*;
import com.sun.enterprise.tools.verifier.*;
import com.sun.enterprise.tools.verifier.tests.ejb.EjbCheck;
import com.sun.enterprise.tools.verifier.tests.ejb.RmiIIOPUtils;
import com.sun.enterprise.tools.verifier.tests.*;

/**  
 * Enterprise Bean's business(...) methods argument RMI IIOP test.
 * Each enterprise Bean class must define zero or more business(...) methods. 
 * The method signatures must follow these rules: 
 * 
 * The methods arguments must be legal types for RMI-IIOP. 
 */
public class BusinessMethodRmiIIOPArgs extends EjbTest implements EjbCheck { 
    
    Result result = null;
    ComponentNameConstructor compName = null;
    /** 
     * Enterprise Bean's business(...) methods argument RMI IIOP test.
     * Each enterprise Bean class must define zero or more business(...)  
     * methods.  The method signatures must follow these rules: 
     * 
     * The methods arguments must be legal types for RMI-IIOP. 
     * 
     * @param descriptor the Enterprise Java Bean deployment descriptor
     *   
     * @return <code>Result</code> the results for this assertion
     */
    public Result check(EjbDescriptor descriptor) {
        
        result = getInitializedResult();
        compName = getVerifierContext().getComponentNameConstructor();
        
        if ((descriptor instanceof EjbSessionDescriptor)  ||
                (descriptor instanceof EjbEntityDescriptor)) {
            if(descriptor.getRemoteClassName() != null && !"".equals(descriptor.getRemoteClassName())) 
                commonToBothInterfaces(descriptor.getRemoteClassName(),descriptor);
            
            Set<String> remoteInterfaces = descriptor.getRemoteBusinessClassNames();
            for (String remoteIntf : remoteInterfaces) 
                commonToBothInterfaces(remoteIntf, descriptor);
        } 
        if(result.getStatus() != Result.FAILED) {
            addGoodDetails(result, compName);
            result.passed(smh.getLocalString
                    (getClass().getName() + ".passed",
                    "Proper declaration of business method(s) found."));
        }
        return result;
    }
    
    private void commonToBothInterfaces(String intf, EjbDescriptor descriptor) {
        try {
            Class intfClass = Class.forName(intf, 
                                            false, 
                                            getVerifierContext().getClassLoader());
            
            for (Method remoteMethod : intfClass.getMethods()) {
                // we don't test the EJB methods
                if (remoteMethod.getDeclaringClass().getName().equals("javax.ejb.EJBObject")) 
                    continue;
                
                Class beanClass = Class.forName(descriptor.getEjbClassName(), 
                                                false, 
                                                getVerifierContext().getClassLoader());
                for (Method method : beanClass.getMethods()) {
                    
                    if (method.getName().equals(remoteMethod.getName()) && 
                            !RmiIIOPUtils.isValidRmiIIOPParameters(method.getParameterTypes())) {
                    // The methods arguments types must be legal types for RMI-IIOP.
                        addErrorDetails(result, compName);
                        result.failed(smh.getLocalString
                                (getClass().getName() + ".failed",
                                "Error: business method [ {0} ] was found, but " +
                                "business method has invalid parameter values. " +
                                "Business method parameter types must be valid " +
                                "types for RMI-IIOP.",
                                new Object[] {method.getName()}));
                    }
                }
            }
            
        } catch (ClassNotFoundException e) {
            Verifier.debug(e);
            addErrorDetails(result, compName);
            result.failed(smh.getLocalString
                    (getClass().getName() + ".failedException",
                    "Error: Remote interface [ {0} ] or bean class [ {1} ] does " +
                    "not exist or is not loadable within bean [ {2} ].",
                    new Object[] {descriptor.getRemoteClassName(),
                                  descriptor.getEjbClassName(),
                                  descriptor.getName()}));
        }  
    }
}
