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package com.sun.enterprise.tools.verifier.tests.ejb;
import com.sun.enterprise.tools.verifier.tests.ejb.EjbTest;
import java.lang.reflect.*;
import java.util.*;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.tools.verifier.*;
import java.lang.ClassLoader;
import com.sun.enterprise.tools.verifier.tests.ejb.EjbCheck;
/**
* Interface, parameters, return type, and exceptions checked for RMI-IIOP
* compliance test.
*
*/
public class RmiIIOPUtils {
/**
* Interface checked for RMI-IIOP compliance test.
* Verify the following:
*
* The remote interface is allowed to have superinterfaces. Use of interface
* inheritance is subject to the RMI-IIOP rules for the definition of remote
* interfaces.
*
* Verify the following:
*
* An RMI remote interface defines a Java interface that can be invoked
* remotely. A Java interface is a conforming RMI/IDL remote interface if:
*
* 1. The interface is or inherits from java.rmi.Remote either directly or
* indirectly.
*
* 2. All methods in the interface are defined to throw
* java.rmi.RemoteException or a superclass of java.rmi.RemoteException.
* Throughout this section, references to methods in the interface include
* methods in any inherited interfaces.
*
* 3. Method arguments and results may be of any types. However at run-time,
* the actual values passed as arguments or returned as results must be
* conforming RMI/IDL types (see "Overview of Conforming RMI/IDL Types" on
* page 28-2). In addition, for each RMI/IDL remote interface reference,
* the actual value passed or returned must be either a stub object or a
* remote interface implementation object (see "Stubs and remote
* implementation classes" on page 28-4).
*
* 4. All checked exception classes used in method declarations (other than
* java.rmi.RemoteException and its subclasses) are conforming RMI/IDL
* exception types (see "RMI/IDL Exception Types" on page 28-5)1
*
* 5. Method names may be overloaded. However, when an interface directly
* inherits from several base interfaces, it is forbidden for there to be
* method name conflicts between the inherited interfaces. This outlaws the
* case where an interface A defines a method "foo," an interface B also
* defines a method "foo," and an interface C tries to inherit from both A
* and B.
*
* 6. Constant definitions in the form of interface variables are permitted.
* The constant value must be a compile-time constant of one of the RMI/IDL
* primitive types or String.
*
* 7. Method and constant names must not cause name collisions when mapped to
* IDL (see "Names that would cause OMG IDL name collisions" on page 28-9).
*
* The following is an example of a conforming RMI/IDL interface definition:
* // Java
* public interface Wombat extends java.rmi.Remote {
* String BLEAT_CONSTANT = "bleat";
* boolean bleat(Wombat other) throws java.rmi.RemoteException;
* }
*
* While the following is an example of a non-conforming RMI/IDL interface:
* // Java
* // IllegalInterface fails to extend Remote!!
* public interface IllegalInterface {
* // illegalExceptions fails to throw RemoteException.
* void illegalExceptions();
* }
*
* @param RMIIIOPinterface the Interface to be checked for Rmi-IIOP compliance
*
* @return boolean true if RMIIIOPinterface is valid RMIIIOP interface, false otherwise
*/
public static boolean isValidRmiIIOPInterface(Class RMIIIOPinterface) {
// 1. The interface is or inherits from java.rmi.Remote either directly or
// indirectly.
boolean validInterface = false;
Class c = RMIIIOPinterface;
// walk up the class tree
do {
if (RMIIIOPinterface.getName().equals("java.rmi.Remote")) {
validInterface = true;
break;
} else {
// walk up the class tree of the interface and see if it
// inherits from java.rmi.Remote either directly or indirectly.
Class[] interfaces = RMIIIOPinterface.getInterfaces();
//Class interfaces = RMIIIOPinterface.getSuperclass();
for (int i = 0; i < interfaces.length; i++) {
//if (interfaces[i].getName().equals("java.rmi.Remote")) {
if ((interfaces[i].getName().equals("java.rmi.Remote")) ||
//hack until i can ask hans why loop doesn't continue up past
// javax.ejb.EJBHome
(interfaces[i].getName().equals("javax.ejb.EJBObject")) ||
(interfaces[i].getName().equals("javax.ejb.EJBHome"))) {
validInterface = true;
break;
}
else if (isValidRmiIIOPInterface(interfaces[i])) {
return true;
}
}
}
} while ((((RMIIIOPinterface=RMIIIOPinterface.getSuperclass()) != null) && (!validInterface)));
if (validInterface) {
return true;
} else {
return false;
}
}
/**
* Interface checked for RMI-IIOP compliance test.
*
* @param RMIIIOPinterface the Interface to be checked for Rmi-IIOP compliance
*
* @return boolean true if RMIIIOPinterface is valid RMIIIOP interface, false otherwise
*/
public static boolean isValidRmiIIOPInterfaceMethods(Class RMIIIOPinterface) {
Class c = RMIIIOPinterface;
// continue on and check next condition
// All methods in the interface are defined to throw
// java.rmi.RemoteException or a superclass of java.rmi.RemoteException.
// Throughout this section, references to methods in the interface include
// methods in any inherited interfaces.
try {
Method methods[] = c.getDeclaredMethods();
Class [] methodExceptionTypes;
for (int i=0; i< methods.length; i++) {
// The methods exceptions types must be legal types for
// RMI-IIOP. This means that their exception values must
// throw java.rmi.RemoteException
methodExceptionTypes = methods[i].getExceptionTypes();
if (!EjbUtils.isValidRemoteException(methodExceptionTypes)) {
return false;
} else {
continue;
}
}
// made it throw all methods thowing java.rmi.RemoteException check,
// without returning false, continue on...
// Method arguments and results may be of any types. However at run-time,
// the actual values passed as arguments or returned as results must be
// conforming RMI/IDL types (see "Overview of Conforming RMI/IDL Types" on
// page 28-2).
// can't check anything here, since this is a run-time check
// All checked exception classes used in method declarations (other than
// java.rmi.RemoteException and its subclasses) are conforming RMI/IDL
// exception types (see "RMI/IDL Exception Types" on page 28-5)1
for (int i=0; i < methods.length; i++) {
methodExceptionTypes = methods[i].getExceptionTypes();
if (!isValidRmiIIOPException(methodExceptionTypes)) {
return false;
} else {
continue;
}
}
// Method names may be overloaded. However, when an interface directly
//inherits from several base interfaces, it is forbidden for there to be
//method name conflicts between the inherited interfaces. This outlaws the
//case where an interface A defines a method "foo," an interface B also
//defines a method "foo," and an interface C tries to inherit from both A
//and B.
// can't check anything here, since this is check cannot be determined
// thru reflection api checking
// Constant definitions in the form of interface variables are permitted.
//The constant value must be a compile-time constant of one of the RMI/IDL
// primitive types or String.
Field fields[] = c.getFields();
for (int i=0; i< fields.length; i++) {
// The fields types must be a compile-time constant of one of the
// RMI/IDL primitive types or String
if (!(isValidRmiIIOPField(fields[i]))) {
return false;
} else {
continue;
}
}
// Method and constant names must not cause name collisions when mapped to
// IDL (see "Names that would cause OMG IDL name collisions" on page 28-9)
// can't check anything here, since this is an non-exhaustive search and
// compare, don't know all the various combinations that would cause
// name collisions,
} catch (Throwable t) {
Verifier.debug(t);
return false;
}
return true;
}
/**
* Method parameters checked for RMI-IIOP compliance test.
* Verify the following:
*
* The home/remote interface methods arguments types must be legal types for
* RMI-IIOP. This includes primitives, value types, and interfaces. This
* means that their arguments must be of valid types for RMI-IIOP.
*
* 28.2.4 RMI/IDL Value Types
* An RMI/IDL value type represents a class whose values can be moved
* between systems. So rather than transmitting a reference between systems,
* the actual state of the object is transmitted between systems. This
* requires that the receiving system have an analogous class that can be
* used to hold the received value. Value types may be passed as arguments
* or results of remote methods, or as fields within other objects that are
* passed remotely. A Java class is a conforming RMI/IDL value type if the
* following applies:
*
* 1. The class must implement the java.io.Serializable interface, either
* directly or indirectly, and must be serializable at run-time. It may
* serialize references to other RMI/IDL types, including value types
* and remote interfaces.
* 2. The class may implement java.io.Externalizable. (This indicates it
* overrides some of the standard serialization machinery.)
* 3. If the class is a non-static inner class, then its containing class
* must also be a conforming RMI/IDL value type.
* 4. A value type must not either directly or indirectly implement the
* java.rmi.Remote interface. (If this were allowed, then there would
* be potential confusion between value types and remote interface
* references.)
* 5. A value type may implement any interface except for java.rmi.Remote.
* 6. There are no restrictions on the method signatures for a value type.
* 7. There are no restrictions on static fields for a value type.
* 8. There are no restrictions on transient fields for a value type.
* 9. Method, constant and field names must not cause name collisions when
* mapped to IDL (see "Names that would cause OMG IDL name collisions"
* on page 28-9).
*
* Here is an example of a conforming RMI/IDL value type:
* // Java
* public class Point implements java.io.Serializable {
* public final static int CONSTANT_FOO = 3+3;
* private int x;
* private int y;
* public Point(int x, y) { ... }
* public int getX() { ... }
* public int getY() { ... }
* }
*
* 28.2.4.1 The Java String Type
* The java.lang.String class is a conforming RMI/IDL value type following
* these rules. Note, however, that String is handled specially when mapping
* Java to OMG IDL (see "Mapping for java.lang.String" on page 28-18).
*
* @param RMIIIOPparams the params to be checked for Rmi-IIOP compliance
*
* @return boolean true if RMIIIOPParams are valid RMIIIOP parameters, false otherwise
*/
public static boolean isValidRmiIIOPParameters(Class [] RMIIIOPparams) {
if (RMIIIOPparams.length > 0) {
for (int ii = 0; ii < RMIIIOPparams.length; ii++) {
Class c = RMIIIOPparams[ii];
// if it's not a primitve, or
// if it's not a valid rmi-idl type, or
// if it's not java.lang.String, return false
if (!(isValidRmiIDLPrimitiveType(c)) &&
!(isValidRmiIIOPValueType(c)) &&
!(isValidRmiIIOPInterfaceType(c)) &&
!(isJavaLangStringType(c)) &&
!(isValidRmiIIOPException(RMIIIOPparams)) &&
!(c.getName().equals("java.lang.Object")) &&
!(isValidRmiIIOPCORBAObjectType(c)) &&
!(isValidRmiIIOPIDLEntityType(c))) {
//exception,corba object,array,idl entity type
return false;
}
}
// if you made it thru loop without returning false, then you
// passed the tests, return true
return true;
} else {
return true;
}
}
/**
* Class checked for RMI-IIOP value type compliance test.
* Verify the following:
*
* This class is proper CORBA Object type.
*
* @param RMIIIOPvaluetype the class to be checked
*
* @return boolean true if RMIIIOPvaluetype is valid Rmi-IIOP value type, false otherwise
*/
public static boolean isValidRmiIIOPCORBAObjectType(Class RMIIIOPvaluetype) {
Class c = RMIIIOPvaluetype;
boolean validInterface = false;
do {
Class[] interfaces = c.getInterfaces();
for (int i = 0; i < interfaces.length; i++) {
if (interfaces[i].getName().equals("org.omg.CORBA.Object")) {
validInterface = true;
break;
} else {
// walk up the class tree of the interface and see if it
// implements org.omg.CORBA.Object
Class superClass = interfaces[i];
do {
if (superClass.getName().equals("org.omg.CORBA.Object")) {
validInterface = true;
break;
}
} while ((((superClass=superClass.getSuperclass()) != null) && (!validInterface)));
}
}
} while ((((c=c.getSuperclass()) != null) && (!validInterface)));
if (!validInterface) {
return false;
} else {
return true;
}
}
/**
* Class checked for RMI-IIOP value type compliance test.
* Verify the following:
*
* This class is proper Java IDL Entity type.
*
* @param RMIIIOPvaluetype the class to be checked
*
* @return boolean true if RMIIIOPvaluetype is valid Rmi-IIOP value type, false otherwise
*/
public static boolean isValidRmiIIOPIDLEntityType(Class RMIIIOPvaluetype) {
Class c = RMIIIOPvaluetype;
boolean validInterface = false;
do {
Class[] interfaces = c.getInterfaces();
for (int i = 0; i < interfaces.length; i++) {
if (interfaces[i].getName().equals("org.omg.CORBA.portable.IDLEntity")) {
validInterface = true;
break;
} else {
// walk up the class tree of the interface and see if it
// implements java.io.Serializable
Class superClass = interfaces[i];
do {
if (superClass.getName().equals("org.omg.CORBA.portable.IDLEntity")) {
validInterface = true;
break;
}
} while ((((superClass=superClass.getSuperclass()) != null) && (!validInterface)));
}
}
} while ((((c=c.getSuperclass()) != null) && (!validInterface)));
if (!validInterface) {
return false;
} else {
return true;
}
}
/**
* Class checked for RMI-IIOP value type compliance test.
* Verify the following:
*
* This class s proper value types.
*
* @param RMIIIOPvaluetype the class to be checked for Rmi-IIOP value type
* compliance
*
* @return boolean true if RMIIIOPvaluetype is valid Rmi-IIOP value type, false otherwise
*/
public static boolean isValidRmiIIOPValueType(Class RMIIIOPvaluetype) {
Class c = RMIIIOPvaluetype;
boolean validInterface = false;
boolean badOne = false;
// The class must implement the java.io.Serializable interface, either
// directly or indirectly, and must be serializable at run-time. It may
// serialize references to other RMI/IDL types, including value types
// and remote interfaces.
// walk up the class tree
if (c.getName().equals("java.lang.Object")) {
//validInterface = true;
return true;
}
/* Buggy Code
do {
Class[] interfaces = c.getInterfaces();
for (int i = 0; i < interfaces.length; i++) {
if (interfaces[i].getName().equals("java.io.Serializable")) {
validInterface = true;
break;
} else {
// walk up the class tree of the interface and see if it
// implements java.io.Serializable
Class superClass = interfaces[i];
do {
if (superClass.getName().equals("java.io.Serializable")) {
validInterface = true;
break;
}
} while ((((superClass=superClass.getSuperclass()) != null) && (validInterface == false)));
}
}
} while ((((c=c.getSuperclass()) != null) && (validInterface == false)));
*/
validInterface = java.io.Serializable.class.isAssignableFrom(c);
if (validInterface == false) {
return false;
} else {
// 2. The class may implement java.io.Externalizable. (This indicates it
// overrides some of the standard serialization machinery.)
// nothing to check for here, since the keyword is "may implement"
// 3. If the class is a non-static inner class, then its containing class
// must also be a conforming RMI/IDL value type.
// don't know if this can be checked statically
// reset class c since it may have gotten moved in the above do/while loop
/* Buggy Code
c = RMIIIOPvaluetype;
do {
Class[] interfaces = c.getInterfaces();
for (int i = 0; i < interfaces.length; i++) {
if (interfaces[i].getName().equals("java.rmi.Remote")) {
badOne = true;
break;
}
}
} while ((((c=c.getSuperclass()) != null) && (!badOne)));
*/
badOne = java.rmi.Remote.class.isAssignableFrom(c);
if (badOne) {
return false;
}
// 5. A value type may implement any interface except for java.rmi.Remote.
// already checked this in step #4 above
// 6. There are no restrictions on the method signatures for a value type.
// 7. There are no restrictions on static fields for a value type.
// 8. There are no restrictions on transient fields for a value type.
// no checking need be done for these 6, 7, & 8
// 9. Method, constant and field names must not cause name collisions when
// mapped to IDL (see "Names that would cause OMG IDL name collisions"
// on page 28-9).
// can't check anything here, since this is an non-exhaustive search and
// compare, don't know all the various combinations that would cause
// name collisions, ask hans to be sure
}
if (validInterface) {
return true;
} else {
return false;
}
}
/**
* Constant definitions in the form of interface variables are permitted test.
* The constant value must be a compile-time constant of one of the RMI/IDL
* primitive types or String.
*
* Verify the following:
*
* The home/remote interface field types must be legal types for
* RMI-IIOP.
* This means that the constant value must be a compile-time constant
* of one of the RMI/IDL primitive types or String.
*
* @param RMIIIOPField the field to be checked for Rmi-IIOP compile-time
* constant of one of the RMI/IDL primitive types or String
*
* @return boolean true if RMIIIOPField is valid Rmi-IIOP type, false otherwise
*/
public static boolean isValidRmiIIOPField(Field RMIIIOPField) {
boolean validPrimitiveType = false;
if ((isValidRmiIDLPrimitiveType(RMIIIOPField)) ||
(RMIIIOPField.getType().equals(java.lang.String.class))) {
validPrimitiveType = true;
}
return validPrimitiveType;
}
/**
* Constant definitions in the form of interface variables are permitted test.
* The constant value must be a compile-time constant of one of the RMI/IDL
* primitive types .
*
* Verify the following:
*
* The home/remote interface field types must be legal types for
* RMI-IIOP.
* This means that the constant value must be a compile-time constant
* of one of the RMI/IDL primitive types .
*
* @param RMIIIOPField the field to be checked for Rmi-IIOP compile-time
* constant of one of the RMI/IDL primitive types or String
*
* @return boolean true if RMIIIOPField is valid compile-time constant of
* one of the RMI/IDL primitive types, false otherwise
*/
public static boolean isValidRmiIDLPrimitiveType(Field RMIIIOPField) {
boolean validPrimitiveType = false;
if ((RMIIIOPField.getType().getName().equals("void")) ||
(RMIIIOPField.getType().getName().equals("boolean")) ||
(RMIIIOPField.getType().getName().equals("byte")) ||
(RMIIIOPField.getType().getName().equals("char")) ||
(RMIIIOPField.getType().getName().equals("short")) ||
(RMIIIOPField.getType().getName().equals("int")) ||
(RMIIIOPField.getType().getName().equals("long")) ||
(RMIIIOPField.getType().getName().equals("float")) ||
(RMIIIOPField.getType().getName().equals("double"))) {
validPrimitiveType = true;
}
return validPrimitiveType;
}
/** Class is interface test.
* The class value must be a java interface type .
*
* Verify the following:
*
* The home/remote interface method params types must be legal types for
* RMI-IIOP.
* The class value must be a java interface type .
*
* @param interfaceClass the class to be checked for java interface class
*
* @return boolean true if interfaceClass is legal types for
* RMI-IIOP. false otherwise
*/
private static boolean isValidRmiIIOPInterfaceType(Class interfaceClass) {
if (interfaceClass.isInterface()) {
return true;
} else {
return false;
}
}
/** Class is primitve test.
* The class value must be a java primitive type .
*
* Verify the following:
*
* The home/remote interface method params types must be legal types for
* RMI-IIOP.
* The class value must be a java primitive type .
*
* @param primitiveClass the class to be checked for java primitive class
*
* @return boolean true if primitiveClass is legal Java primitive type, false otherwise
*/
public static boolean isValidRmiIDLPrimitiveType(Class primitiveClass) {
boolean validPrimitiveType = false;
if ((primitiveClass.getName().equals("void")) ||
(primitiveClass.getName().equals("boolean")) ||
(primitiveClass.getName().equals("byte")) ||
(primitiveClass.getName().equals("char")) ||
(primitiveClass.getName().equals("short")) ||
(primitiveClass.getName().equals("int")) ||
(primitiveClass.getName().equals("long")) ||
(primitiveClass.getName().equals("float")) ||
(primitiveClass.getName().equals("double"))) {
validPrimitiveType = true;
}
return validPrimitiveType;
}
/**
* Class is java.lang.String test.
* The class value may be java.lang.String type .
*
* Verify the following:
*
* The home/remote interface method params types must be legal types for
* RMI-IIOP.
* The class value may be java.lang.String type .
*
* @param jlsClass the class to be checked for java primitive class
*
* @return boolean true if jlsClass is java.lang.String type, false otherwise
*/
public static boolean isJavaLangStringType(Class jlsClass) {
boolean validJlsType = false;
if (jlsClass.getName().equals("java.lang.String")) {
validJlsType = true;
}
return validJlsType;
}
/**
* Method exception checked for RMI-IIOP compliance test.
* Verify the following:
*
* The home/remote interface methods exception types must be legal types for
* RMI-IIOP. This includes primitives, value types, and interfaces.
* This means that their exception must throw java.rmi.RemoteException.
*
* 28.2.6 RMI/IDL Exception Types An RMI/IDL exception type is a checked
* exception class (as defined by the Java Language Specification). Since
* checked exception classes extend java.lang.Throwable which implements
* java.io.Serializable, it is unnecessary for an RMI/IDL exception class to
* directly implement java.io.Serializable. A type is a conforming RMI/IDL
* exception if the class:
* - is a checked exception class.
* - meets the requirements for RMI/IDL value types defined in
* "RMI/IDL Value Types" on page 28-4.
*
* @param RMIIIOPexceptions the exceptions to be checked for Rmi-IIOP throws
* java.rmi.RemoteException
*
* @return boolean true if RMIIIOPexceptions are legal type for RMI-IIOP, false otherwise
*/
public static boolean isValidRmiIIOPException(Class [] RMIIIOPexceptions) {
// methods must throw java.rmi.RemoteException
boolean throwsRemoteException = false;
for (int kk = 0; kk < RMIIIOPexceptions.length; ++kk) {
if ((RMIIIOPexceptions[kk].getName().equals("java.rmi.RemoteException")) ||
(RMIIIOPexceptions[kk].getName().equals("RemoteException"))) {
throwsRemoteException = true;
break;
}
}
return throwsRemoteException;
}
/**
* Method return type checked for RMI-IIOP compliance test.
* Verify the following:
*
* The home/remote interface methods return type must be legal types for
* RMI-IIOP. This includes primitives, value types, and interfaces.
* This means that their return type must be of valid types for RMI-IIOP.
*
* @param RMIIIOPparams the return type to be checked for Rmi-IIOP compliance
*
* @return boolean true if RMIIIOPReturnType is legal type for RMI-IIOP, false otherwise
*/
public static boolean isValidRmiIIOPReturnType(Class RMIIIOPReturnType) {
// if it's not a primitve, or
// if it's not a valid rmi-idl type, or
// if it's not java.lang.String, return false
if (!((isValidRmiIDLPrimitiveType(RMIIIOPReturnType)) ||
(isValidRmiIIOPValueType(RMIIIOPReturnType)) ||
(isValidRmiIIOPInterfaceType(RMIIIOPReturnType)) ||
(isJavaLangStringType(RMIIIOPReturnType)) ||
//(isValidRmiIIOPException(RMIIIOPparams)) ||
(isValidRmiIIOPCORBAObjectType(RMIIIOPReturnType)) ||
(RMIIIOPReturnType.getName().equals("java.lang.Object")) ||
(isValidRmiIIOPIDLEntityType(RMIIIOPReturnType)))) {
return false;
} else {
return true;
}
}
/**
* Class checked for Serializable value type compliance test.
* Verify the following:
*
* This class is a serializable class.
*
* @param serializableClass the class to be checked for serializable
* compliance
*
* @return boolean true if c is a serializable class, false otherwise
*/
public static boolean isValidSerializableType(Class c) {
return java.io.Serializable.class.isAssignableFrom(c);
/* Buggy Code
boolean validInterface = false;
if (c.getName().equals("java.io.Serializable")) {
validInterface = true;
return validInterface;
}
do {
Class[] interfaces = c.getInterfaces();
for (int i = 0; i < interfaces.length; i++) {
if (interfaces[i].getName().equals("java.io.Serializable")) {
validInterface = true;
break;
} else {
// walk up the class tree of the interface and see if it
// implements java.io.Serializable
Class superClass = interfaces[i];
do {
if (superClass.getName().equals("java.io.Serializable")) {
validInterface = true;
break;
}
} while ((((superClass=superClass.getSuperclass()) != null) && (!validInterface)));
}
}
} while ((((c=c.getSuperclass()) != null) && (!validInterface)));
// The class must implement the java.io.Serializable interface, either
// directly or indirectly, and must be serializable at run-time.
// walk up the class tree
if (!validInterface) {
return false;
} else {
return true;
}
*/
}
/**
* Container managed fields checked for one of the following:
* Java primitive types, Java serializable types, or references to
* enterprise beans' remote or home interfaces.
*
* Verify the following:
*
* Container managed fields checked for one of the following:
* Java primitive types, Java serializable types, or references to
* enterprise beans' remote or home interfaces.
*
* All the standard Java primitive types are supported as part of RMI/IDL.
* These are: void, boolean, byte, char, short, int, long, float, double
*
* @param CmpField params to be checked for CmpField valid type compliance
* @param HomeClass home class
* @param RemoteClass remote class
*
* @return boolean true if CmpField is Java primitive type,
* Java serializable types, or references to
* enterprise beans' remote or home interfaces.,
* false otherwise
*/
public static boolean isPersistentFieldTypeValid(Class CmpField, String HomeClass, String RemoteClass) {
// if Java primitive types, Java serializable types, or references to
// enterprise beans' remote or home interfaces.
if (!((isValidRmiIDLPrimitiveType(CmpField)) ||
(isValidSerializableType(CmpField)) ||
(CmpField.getName().equals(HomeClass)) ||
(CmpField.getName().equals(RemoteClass)))) {
return false;
} else {
return true;
}
}
/**
* The ejbFind exceptions of Bean clas smust be a subset of the names
* of the exceptions defined in the throws clause of the matching find method
* of the home interface.
*
* Verify the following:
*
* All the exceptions defined in the throws clause of the
* matching ejbFind method of the
* enterprise Bean class must be included in the throws
* clause of the matching find method of the home interface
* this home interface find method must define a superset of all the
* exceptions thrown in the ejbFind method of the bean class
* so there may not be a 1-1 mapping of exceptions
* also, for all ejbFind/find combo's any unchecked
* exceptions thrown by the ejbFind in the bean
* class doesn't need to be thrown in the corresponding
* find of the home interface , these unchecked
* exceptions "subclass of RuntimeException" i.e
* out of memory exception are handled by the container,
* who throws a Runtime exception to the appropriate
* instance/object
*
* @param ejbFindExceptions the ejbFind exceptions to be checked for
* containment within the names of the exceptions defined in the throws
* clause of the matching find method of the home interface (i.e subset)
* @param findExceptions the find exceptions to be checked for
* containing the names of the exceptions defined in the throws
* clause of the matching ejbFind method of the bean class
* (i.e. superset)
*
* @return boolean true if ejbFindExceptions is subset of findExceptions,
* false otherwise
*/
public static boolean isEjbFindMethodExceptionsSubsetOfFindMethodExceptions
(Class [] ejbFindExceptions, Class [] findExceptions) {
boolean oneFailed = false;
if (Arrays.equals(ejbFindExceptions,findExceptions)) {
return true;
} else {
// manipulate as list, and use list.contains() method
List ejbFindList = Arrays.asList(ejbFindExceptions);
List findList = Arrays.asList(findExceptions);
if (!ejbFindList.isEmpty()) {
for (Iterator itr = ejbFindList.iterator(); itr.hasNext();) {
Class nextEjbFindMethodException = (Class) itr.next();
if (findList.contains(nextEjbFindMethodException)) {
continue;
} else {
// also, for all ejbFind/find combo's any unchecked
// exceptions thrown by the ejbFind in the bean
// class doesn't need to be thrown in the corresponding
// find of the home interface , these unchecked
// exceptions "subclass of RuntimeException" i.e
// out of memory exception are handled by the container,
// who throws a Runtime exception to the appropriate
// instance/object
if (isSuperClassofClass("java.lang.RuntimeException",
nextEjbFindMethodException)) {
// ignore this particular unchecked exception, since it stems
// from RuntimeException, we can ignore it
continue;
} else {
// okay, that's it, now we know ejbFind exception
// is not defined in the find in the home interface
// test must fail
oneFailed = true;
// break out after first failure, however, no precise feedback
// to caller as to exactly which exception is causing problem
// which we happen to know at this point in time
break;
}
}
}
// if we get thru all of 'em, and oneFailed is set, then we flunked test
if (oneFailed) {
return false;
} else {
// we know we never set oneFailed in the above loop, so either all
// ejbFind exceptions are defined in the superset find
// exceptions, or they are unchecked exceptions, which we can ignore
// so set test to passed
return true;
}
} else {
// ejbFind exceptions list is empty, pass test
return true;
}
}
}
/**
* Find superClass of specified class.
*
* @param superClass the specifed super Class to be checked against
* for containment of
* @param fromClass the class which you are trying to find the parent super
* class of
*
* @return boolean true if superClass is parent class of fromClass, false otherwise
*/
private static boolean isSuperClassofClass(String superClass, Class fromClass) {
boolean validSuperClass = false;
Class c = fromClass;
// walk up the class tree
do {
if (c.getName().equals(superClass)) {
validSuperClass = true;
break;
}
} while ((((c=c.getSuperclass()) != null) && (!validSuperClass)));
if (!validSuperClass){
return false;
} else {
return true;
}
}
}
