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 java.lang.Object NO_CONVERSION_POSSIBLE
           
static java.lang.String TYPE_CONVERTER_CONTEXT_KEY
           
 
Method Summary
 java.lang.Object convertValue(java.util.Map<java.lang.String,java.lang.Object> context, java.lang.Object target, java.lang.reflect.Member member, java.lang.String propertyName, java.lang.Object value, java.lang.Class toType)
          Converts the given value to a given type.
 

Field Detail

NO_CONVERSION_POSSIBLE

static final java.lang.Object NO_CONVERSION_POSSIBLE

TYPE_CONVERTER_CONTEXT_KEY

static final java.lang.String TYPE_CONVERTER_CONTEXT_KEY
See Also:
Constant Field Values
Method Detail

convertValue

java.lang.Object convertValue(java.util.Map<java.lang.String,java.lang.Object> context,
                              java.lang.Object target,
                              java.lang.reflect.Member member,
                              java.lang.String propertyName,
                              java.lang.Object value,
                              java.lang.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.


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