com.thoughtworks.xstream.converters.basic

Class NullConverter

java.lang.Object

com.thoughtworks.xstream.converters.basic.NullConverter

All Implemented Interfaces:

Converter, ConverterMatcher

public class NullConverter
extends java.lang.Object
implements Converter

Special converter to signify nulls at the root level.

Author:

Joe Walnes

Constructor Summary

Constructors

Constructor and Description
NullConverter()

Method Summary

Modifier and Type	Method and Description
boolean	canConvert(java.lang.Class type) Determines whether the converter can marshall a particular type.
void	marshal(java.lang.Object source, HierarchicalStreamWriter writer, MarshallingContext context) Convert an object to textual data.
java.lang.Object	unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) Convert textual data back into an object.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullConverter

public NullConverter()

Method Detail

canConvert

public boolean canConvert(java.lang.Class type)

Description copied from interface: ConverterMatcher

Determines whether the converter can marshall a particular type.

Specified by:

canConvert in interface ConverterMatcher

Parameters:

type - the Class representing the object type to be converted

marshal

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

Description copied from interface: Converter

Convert an object to textual data.

Specified by:

marshal in interface Converter

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.

unmarshal

public java.lang.Object unmarshal(HierarchicalStreamReader reader,
                                  UnmarshallingContext context)

Description copied from interface: Converter

Convert textual data back into an object.

Specified by:

unmarshal in interface Converter

Parameters:

reader - The stream to read the text from.

Returns:

The resulting object.