Package org.apache.commons.dbutils
Interface PropertyHandler
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- All Known Implementing Classes:
DatePropertyHandler
,StringEnumPropertyHandler
public interface PropertyHandler
Interface to define how implementations can interact with property handling when constructing a bean from aResultSet
. PropertyHandlers do the work of coercing a value into the target type required.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.Object
apply(java.lang.Class<?> parameter, java.lang.Object value)
Do the work required to storevalue
into something of typeparameter
.boolean
match(java.lang.Class<?> parameter, java.lang.Object value)
Test whether thisPropertyHandler
wants to handle settingvalue
into something of typeparameter
.
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Method Detail
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match
boolean match(java.lang.Class<?> parameter, java.lang.Object value)
Test whether thisPropertyHandler
wants to handle settingvalue
into something of typeparameter
.- 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.
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apply
java.lang.Object apply(java.lang.Class<?> parameter, java.lang.Object value)
Do the work required to storevalue
into something of typeparameter
. This method is called only if this handler respondedtrue
after a call tomatch(Class, Object)
.- Parameters:
parameter
- The type of the target parameter.value
- The value to be set.- Returns:
- The converted value or the original value if something doesn't work out.
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