Java Code Examples for com.thoughtworks.xstream.mapper.Mapper#Null

public void marshal(final Object source, final HierarchicalStreamWriter writer, final MarshallingContext context) {
    final int length = Array.getLength(source);
    for (int i = 0; i < length; ++i) {
        final Object item = Array.get(source, i);
        final Class itemType = item == null 
                ? Mapper.Null.class 
                : arrayType.getComponentType().isPrimitive()
                    ?  Primitives.unbox(item.getClass())
                    : item.getClass();
        ExtendedHierarchicalStreamWriterHelper.startNode(writer, itemName, itemType);
        if (!itemType.equals(arrayType.getComponentType())) {
            final String attributeName = mapper.aliasForSystemAttribute("class");
            if (attributeName != null) {
                writer.addAttribute(attributeName, mapper.serializedClass(itemType));
            }
        }
        if (item != null) {
            context.convertAnother(item);
        }
        writer.endNode();
    }
}
 

public void marshal(Object source, HierarchicalStreamWriter writer,
    MarshallingContext context) {
    Font font = (Font)source;
    Map attributes = font.getAttributes();
    if (mapper != null) {
        String classAlias = mapper.aliasForSystemAttribute("class");
        for (Iterator iter = attributes.entrySet().iterator(); iter.hasNext();) {
            Map.Entry entry = (Map.Entry)iter.next();
            String name = textAttributeConverter.toString(entry.getKey());
            Object value = entry.getValue();
            Class type = value != null ? value.getClass() : Mapper.Null.class;
            ExtendedHierarchicalStreamWriterHelper.startNode(writer, name, type);
            writer.addAttribute(classAlias, mapper.serializedClass(type));
            if (value != null) {
                context.convertAnother(value);
            }
            writer.endNode();
        }
    } else {
        writer.startNode("attributes"); // <attributes>
        context.convertAnother(attributes);
        writer.endNode(); // </attributes>
    }
}
 

protected void writeItem(String name, Class type, Object item, MarshallingContext context,
    HierarchicalStreamWriter writer) {
    Class itemType = item == null ? Mapper.Null.class : item.getClass();
    ExtendedHierarchicalStreamWriterHelper.startNode(writer, name, itemType);
    if (!itemType.equals(type)) {
        String attributeName = mapper().aliasForSystemAttribute("class");
        if (attributeName != null) {
            writer.addAttribute(attributeName, mapper().serializedClass(itemType));
        }
    }
    if (item != null) {
        context.convertAnother(item);
    }
    writer.endNode();
}
 

/**
 * @deprecated As of 1.4.11 use {@link #writeCompleteItem(Object, MarshallingContext, HierarchicalStreamWriter)}
 *             instead.
 */
protected void writeItem(Object item, MarshallingContext context, HierarchicalStreamWriter writer) {
    final Class itemType = item == null ? Mapper.Null.class : item.getClass();
    ExtendedHierarchicalStreamWriterHelper.startNode(writer, name, itemType);
    if (!itemType.equals(type)) {
        String attributeName = mapper().aliasForSystemAttribute("class");
        if (attributeName != null) {
            writer.addAttribute(attributeName, mapper().serializedClass(itemType));
        }
    }
    if (item != null) {
        context.convertAnother(item);
    }
    writer.endNode();
}
 

/**
 * Method to return the appropriate JSON type for a Java type.
 * 
 * @param clazz the type
 * @return One of the {@link Type} instances
 * @since 1.4.4
 */
protected Type getType(Class clazz) {
    return clazz == Mapper.Null.class
        ? Type.NULL
        : (clazz == Boolean.class || clazz == Boolean.TYPE) 
            ? Type.BOOLEAN 
            : NUMBER_TYPES.contains(clazz) 
                ? Type.NUMBER 
                : Type.STRING;
}
 

public boolean allows(Class type) {
    return type == null || type == Mapper.Null.class;
}