Class CGLIBEnhancedConverter

java.lang.Object

com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter

com.thoughtworks.xstream.converters.reflection.SerializableConverter

com.thoughtworks.xstream.converters.reflection.CGLIBEnhancedConverter

All Implemented Interfaces:

Converter, ConverterMatcher, Caching

public class CGLIBEnhancedConverter
extends SerializableConverter

Converts a proxy created by the CGLIB Enhancer. Such a proxy is recreated while deserializing the proxy. The converter does only work, if

• the DefaultNamingPolicy is used for the proxy's name
• the proxy uses a factory or only one Callback is registered
• a possible super class has at least a protected default constructor

Note, that the this converter relies on the CGLIBMapper.

Since:

1.2

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	CGLIBEnhancedConverter.CGLIBFilteringReflectionProvider
private static class	CGLIBEnhancedConverter.ReverseEngineeredCallbackFilter
private static final class	CGLIBEnhancedConverter.ReverseEngineeringInvocationHandler

Nested classes/interfaces inherited from class AbstractReflectionConverter

AbstractReflectionConverter.DuplicateFieldException, AbstractReflectionConverter.UnknownFieldException

Field Summary

Fields

Modifier and Type	Field	Description
private static String	CALLBACK_MARKER
private static String	DEFAULT_NAMING_MARKER
private Map	fieldCache

Fields inherited from class AbstractReflectionConverter

mapper, reflectionProvider, serializationMembers, serializationMethodInvoker

Constructor Summary

Constructors

Constructor	Description
CGLIBEnhancedConverter(Mapper mapper, ReflectionProvider reflectionProvider)	Deprecated. As of 1.4 use CGLIBEnhancedConverter(Mapper, ReflectionProvider, ClassLoaderReference)
CGLIBEnhancedConverter(Mapper mapper, ReflectionProvider reflectionProvider, ClassLoaderReference classLoaderReference)	Construct a CGLIBEnhancedConverter.
CGLIBEnhancedConverter(Mapper mapper, ReflectionProvider reflectionProvider, ClassLoader classLoader)	Deprecated. As of 1.4.5 use CGLIBEnhancedConverter(Mapper, ReflectionProvider, ClassLoaderReference)

Method Summary

Modifier and Type	Method	Description
boolean	canConvert(Class type)	Determines whether the converter can marshall a particular type.
private Object	create(net.sf.cglib.proxy.Enhancer enhancer, List callbacks, boolean useFactory)
private Map	createCallbackIndexMap(net.sf.cglib.proxy.Factory source)
private Object[]	createNullArguments(Class[] parameterTypes)
private net.sf.cglib.proxy.Callback	createReverseEngineeredCallbackOfProperType(net.sf.cglib.proxy.Callback callback, int index, Map callbackIndexMap)
private net.sf.cglib.proxy.Callback[]	getCallbacks(Object source)
protected List	hierarchyFor(Class type)
void	marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context)	Convert an object to textual data.
private void	readCallback(HierarchicalStreamReader reader, UnmarshallingContext context, List callbacksToEnhance, List callbacks)
protected Object	readResolve()
Object	unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context)	Convert textual data back into an object.

Methods inherited from class SerializableConverter

doMarshal, doMarshalConditionally, doUnmarshal, doUnmarshalConditionally, marshalUnserializableParent

Methods inherited from class AbstractReflectionConverter

canAccess, flushCache, instantiateNewInstance, marshallField, shouldUnmarshalField, shouldUnmarshalTransientFields, unmarshallField

Methods inherited from class Object

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

Field Details

DEFAULT_NAMING_MARKER

private static String DEFAULT_NAMING_MARKER

CALLBACK_MARKER

private static String CALLBACK_MARKER

fieldCache

private transient Map fieldCache

Constructor Details

CGLIBEnhancedConverter

public CGLIBEnhancedConverter(Mapper mapper,
 ReflectionProvider reflectionProvider,
 ClassLoaderReference classLoaderReference)

Construct a CGLIBEnhancedConverter.

Parameters:

mapper - the mapper chain instance

reflectionProvider - the reflection provider

classLoaderReference - the reference to the ClassLoader of the XStream instance

Since:

1.4.5

CGLIBEnhancedConverter

public CGLIBEnhancedConverter(Mapper mapper,
 ReflectionProvider reflectionProvider,
 ClassLoader classLoader)

Deprecated.

As of 1.4.5 use CGLIBEnhancedConverter(Mapper, ReflectionProvider, ClassLoaderReference)

CGLIBEnhancedConverter

public CGLIBEnhancedConverter(Mapper mapper,
 ReflectionProvider reflectionProvider)

Deprecated.

As of 1.4 use CGLIBEnhancedConverter(Mapper, ReflectionProvider, ClassLoaderReference)

Method Details

canConvert

public boolean canConvert(Class type)

Description copied from interface: ConverterMatcher

Determines whether the converter can marshall a particular type.

Specified by:

canConvert in interface ConverterMatcher

Overrides:

canConvert in class SerializableConverter

Parameters:

type - the Class representing the object type to be converted

marshal

public void marshal(Object source,
 HierarchicalStreamWriter writer,
 MarshallingContext context)

Description copied from interface: Converter

Convert an object to textual data.

Specified by:

marshal in interface Converter

Overrides:

marshal in class AbstractReflectionConverter

Parameters:

source - The object to be marshalled.

writer - A stream to write to.

context - A context that allows nested objects to be processed by XStream.

getCallbacks

private net.sf.cglib.proxy.Callback[] getCallbacks(Object source)

createCallbackIndexMap

private Map createCallbackIndexMap(net.sf.cglib.proxy.Factory source)

createNullArguments

private Object[] createNullArguments(Class[] parameterTypes)

createReverseEngineeredCallbackOfProperType

private net.sf.cglib.proxy.Callback createReverseEngineeredCallbackOfProperType(net.sf.cglib.proxy.Callback callback,
 int index,
 Map callbackIndexMap)

unmarshal

public Object unmarshal(HierarchicalStreamReader reader,
 UnmarshallingContext context)

Description copied from interface: Converter

Convert textual data back into an object.

Specified by:

unmarshal in interface Converter

Overrides:

unmarshal in class AbstractReflectionConverter

Parameters:

reader - The stream to read the text from.

context -

Returns:

The resulting object.

readCallback

private void readCallback(HierarchicalStreamReader reader,
 UnmarshallingContext context,
 List callbacksToEnhance,
 List callbacks)

create

private Object create(net.sf.cglib.proxy.Enhancer enhancer,
 List callbacks,
 boolean useFactory)

hierarchyFor

protected List hierarchyFor(Class type)

Overrides:

hierarchyFor in class SerializableConverter

readResolve

protected Object readResolve()

Overrides:

readResolve in class AbstractReflectionConverter