Package com.sun.corba.ee.impl.copyobject

Class OldReflectObjectCopierImpl

java.lang.Object

com.sun.corba.ee.impl.copyobject.OldReflectObjectCopierImpl

All Implemented Interfaces:

org.glassfish.pfl.dynamic.copyobject.spi.ObjectCopier

public class OldReflectObjectCopierImpl
extends Object
implements org.glassfish.pfl.dynamic.copyobject.spi.ObjectCopier

Provides the functionality of copying objects using reflection. NOTE: Currently the implementation does not implement this copying functionality for objects which have fields whose types are based on inner classes. If for any reason copying cannot be done using reflection it uses the original ORB serialization to implement the copying

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) class	OldReflectObjectCopierImpl.ReflectAttrs	Provides the functionality of a cache for storing the various reflection attributes of a class so that access to these methods is not done repeatedly

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.glassfish.pfl.basic.reflection.Bridge	bridge	Bridge is used to access the reflection factory for obtaining serialization constructors.
private final IdentityHashMap	objRefs
private final ORB	orb
private static Map<Class,OldReflectObjectCopierImpl.ReflectAttrs>	reflectCache	reflectCache is used to cache the reflection attributes of a class

Constructor Summary

Constructors

Constructor	Description
OldReflectObjectCopierImpl(ORB orb)

Method Summary

Modifier and Type	Method	Description
private Object	arrayCopy(Object obj, Class aClass)	Utility to copy array of primitive types or objects.
Object	copy(Object obj)
Object	copy(Object obj, boolean debug)
private Object	copyAnyClass(OldReflectObjectCopierImpl.ReflectAttrs attrs, Object obj)
private void	copyFields(Class cls, Field[] fields, Object obj, Object copy)	Utility to copy fields of an object.
private Object	copyMap(Object obj)
private OldReflectObjectCopierImpl.ReflectAttrs	getClassAttrs(Class cls)	Gets the reflection attributes for a class from the cache or if it is not in the cache yet, computes the attributes and populates the cache
private Constructor	getExternalizableConstructor(Class cl)	Returns public no-arg constructor of given class, or null if none found.
private Constructor	getSerializableConstructor(Class cl)	Returns subclass-accessible no-arg constructor of first non-serializable superclass, or null if none found.
static boolean	isImmutable(String classname)
private Object	makeInstanceOfClass(Class cls)
private boolean	packageEquals(Class cl1, Class cl2)	Returns true if classes are defined in the same package, false otherwise.
private Object	reflectCopy(Object obj)	Utility to copy objects using Java reflection.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

objRefs

private final IdentityHashMap objRefs

orb

private final ORB orb

reflectCache

private static Map<Class,OldReflectObjectCopierImpl.ReflectAttrs> reflectCache

reflectCache is used to cache the reflection attributes of a class

bridge

private static final org.glassfish.pfl.basic.reflection.Bridge bridge

Bridge is used to access the reflection factory for obtaining serialization constructors. This must be carefully protected!

Constructor Details

OldReflectObjectCopierImpl

public OldReflectObjectCopierImpl(ORB orb)

Method Details

getExternalizableConstructor

private Constructor getExternalizableConstructor(Class cl)

Returns public no-arg constructor of given class, or null if none found. Access checks are disabled on the returned constructor (if any), since the defining class may still be non-public.

packageEquals

private boolean packageEquals(Class cl1,
 Class cl2)

Returns true if classes are defined in the same package, false otherwise. Copied from the Merlin java.io.ObjectStreamClass.

getSerializableConstructor

private Constructor getSerializableConstructor(Class cl)

Returns subclass-accessible no-arg constructor of first non-serializable superclass, or null if none found. Access checks are disabled on the returned constructor (if any).

getClassAttrs

private OldReflectObjectCopierImpl.ReflectAttrs getClassAttrs(Class cls)

Gets the reflection attributes for a class from the cache or if it is not in the cache yet, computes the attributes and populates the cache

Parameters:

cls - the class whose attributes are needed

Returns:

the attributes needed for reflection This method must be synchronized so that reflectCache.put can safely update the reflectCache.

isImmutable

public static boolean isImmutable(String classname)

arrayCopy

private Object arrayCopy(Object obj,
 Class aClass)
                  throws RemoteException,
InstantiationException,
IllegalAccessException,
InvocationTargetException

Utility to copy array of primitive types or objects. Used by local stubs to copy objects

Parameters:

obj - the object to copy or connect.

Returns:

the copied object.

Throws:

RemoteException - if any object could not be copied.

InstantiationException

IllegalAccessException

InvocationTargetException

copyFields

private void copyFields(Class cls,
 Field[] fields,
 Object obj,
 Object copy)
                 throws RemoteException,
IllegalAccessException,
InstantiationException,
InvocationTargetException

Utility to copy fields of an object. Used by local stub to copy objects

Parameters:

obj - the object whose fields need to be copied

Throws:

RemoteException - if any object could not be copied.

IllegalAccessException

InstantiationException

InvocationTargetException

makeInstanceOfClass

private Object makeInstanceOfClass(Class cls)
                            throws IllegalAccessException,
InstantiationException

Throws:

IllegalAccessException

InstantiationException

copyMap

private Object copyMap(Object obj)
                throws RemoteException,
InstantiationException,
IllegalAccessException,
InvocationTargetException

Throws:

RemoteException

InstantiationException

IllegalAccessException

InvocationTargetException

copyAnyClass

private Object copyAnyClass(OldReflectObjectCopierImpl.ReflectAttrs attrs,
 Object obj)
                     throws RemoteException,
InstantiationException,
IllegalAccessException,
InvocationTargetException

Throws:

RemoteException

InstantiationException

IllegalAccessException

InvocationTargetException

reflectCopy

private Object reflectCopy(Object obj)
                    throws RemoteException,
InstantiationException,
IllegalAccessException,
InvocationTargetException

Utility to copy objects using Java reflection. Used by the local stub to copy objects

Parameters:

obj - the object to copy or connect.

Returns:

the copied object.

Throws:

RemoteException

InstantiationException

IllegalAccessException

InvocationTargetException

copy

public Object copy(Object obj,
 boolean debug)
            throws org.glassfish.pfl.dynamic.copyobject.spi.ReflectiveCopyException

Throws:

org.glassfish.pfl.dynamic.copyobject.spi.ReflectiveCopyException

copy

public Object copy(Object obj)
            throws org.glassfish.pfl.dynamic.copyobject.spi.ReflectiveCopyException

Specified by:

copy in interface org.glassfish.pfl.dynamic.copyobject.spi.ObjectCopier

Throws:

org.glassfish.pfl.dynamic.copyobject.spi.ReflectiveCopyException