com.thoughtworks.xstream.converters.collections

Class CollectionConverter

java.lang.Object

com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter

com.thoughtworks.xstream.converters.collections.CollectionConverter

All Implemented Interfaces:

Converter, ConverterMatcher

Direct Known Subclasses:

NamedCollectionConverter, SingletonCollectionConverter, TreeSetConverter

public class CollectionConverter
extends AbstractCollectionConverter

Converts most common Collections (Lists and Sets) to XML, specifying a nested element for each item.

Supports java.util.ArrayList, java.util.HashSet, java.util.LinkedList, java.util.Vector and java.util.LinkedHashSet.

Author:

Joe Walnes

Constructor Summary

Constructors

Constructor and Description
CollectionConverter(Mapper mapper)
CollectionConverter(Mapper mapper, Class type) Construct a CollectionConverter for a special Collection type.

Method Summary

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

Methods inherited from class com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter

mapper, readItem, writeItem

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionConverter

public CollectionConverter(Mapper mapper)

CollectionConverter

public CollectionConverter(Mapper mapper,
                           Class type)

Construct a CollectionConverter for a special Collection type.

Parameters:

mapper - the mapper

type - the Collection type to handle

Since:

1.4.5

Method Detail

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

Specified by:

canConvert in class AbstractCollectionConverter

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

Specified by:

marshal in class AbstractCollectionConverter

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 Object unmarshal(HierarchicalStreamReader reader,
                        UnmarshallingContext context)

Description copied from interface: Converter

Convert textual data back into an object.

Specified by:

unmarshal in interface Converter

Specified by:

unmarshal in class AbstractCollectionConverter

Parameters:

reader - The stream to read the text from.

Returns:

The resulting object.

populateCollection

protected void populateCollection(HierarchicalStreamReader reader,
                                  UnmarshallingContext context,
                                  Collection collection)

populateCollection

protected void populateCollection(HierarchicalStreamReader reader,
                                  UnmarshallingContext context,
                                  Collection collection,
                                  Collection target)

addCurrentElementToCollection

protected void addCurrentElementToCollection(HierarchicalStreamReader reader,
                                             UnmarshallingContext context,
                                             Collection collection,
                                             Collection target)

createCollection

protected Object createCollection(Class type)

Overrides:

createCollection in class AbstractCollectionConverter