com.opensymphony.xwork2.conversion
Interface TypeConverter

All Known Implementing Classes:

AnnotationXWorkConverter, DefaultTypeConverter, EnumTypeConverter, XWorkBasicConverter, XWorkConverter, XWorkTypeConverterWrapper

public interface TypeConverter

Interface for accessing the type conversion facilities within a context. This interface was copied from OGNL's TypeConverter

Author:

Luke Blanshard (blanshlu@netscape.net), Drew Davidson (drew@ognl.org)

Field Summary

static Object	NO_CONVERSION_POSSIBLE
static String	TYPE_CONVERTER_CONTEXT_KEY

Method Summary

Object

convertValue(Map<String,Object> context, Object target, Member member, String propertyName, Object value, Class toType) Converts the given value to a given type.

Field Detail

NO_CONVERSION_POSSIBLE

static final Object NO_CONVERSION_POSSIBLE

TYPE_CONVERTER_CONTEXT_KEY

static final String TYPE_CONVERTER_CONTEXT_KEY

See Also:

Constant Field Values

Method Detail

convertValue

Object convertValue(Map<String,Object> context,
                    Object target,
                    Member member,
                    String propertyName,
                    Object value,
                    Class toType)

Converts the given value to a given type. The OGNL context, target, member and name of property being set are given. This method should be able to handle conversion in general without any context, target, member or property name specified.

Parameters:

context - context under which the conversion is being done

target - target object in which the property is being set

member - member (Constructor, Method or Field) being set

propertyName - property name being set

value - value to be converted

toType - type to which value is converted

Returns:

Converted value of type toType or TypeConverter.NoConversionPossible to indicate that the conversion was not possible.