org.apache.commons.dbutils

Interface PropertyHandler

All Known Implementing Classes:

DatePropertyHandler, StringEnumPropertyHandler

public interface PropertyHandler

Defines how to handle properties when constructing a bean from a ResultSet. Instances coerce values into a target types.

Method Summary

Modifier and Type	Method and Description
Object	apply(Class<?> parameter, Object value) Stores the given value into an instance of type parameter.
boolean	match(Class<?> parameter, Object value) Tests whether to handle setting value into an instance of parameter.

Method Detail

apply

Object apply(Class<?> parameter,
             Object value)

Stores the given value into an instance of type parameter. This method is only called if match(Class, Object) return true.

Parameters:

parameter - The type of the target parameter.

value - The value to set.

Returns:

The converted value or the original value if something doesn't work out.

match

boolean match(Class<?> parameter,
              Object value)

Tests whether to handle setting value into an instance of parameter.

Parameters:

parameter - The type of the target parameter.

value - The value to be set.

Returns:

true is this property handler can/wants to handle this value; false otherwise.