org.codehaus.waffle.bind.converters
Class NumberListValueConverter
java.lang.Object
org.codehaus.waffle.bind.converters.AbstractValueConverter
org.codehaus.waffle.bind.converters.StringListValueConverter
org.codehaus.waffle.bind.converters.NumberListValueConverter
- All Implemented Interfaces:
- ValueConverter
public class NumberListValueConverter
- extends StringListValueConverter
ValueConverter
that converts a CSV value to a List of Numbers. It extends
StringListValueConverter
to provide number
parsing of the string values using the NumberFormat
instance provided (which defaults to
NumberFormat.getInstance()
) and if not successful returns the string values themselves.
- Author:
- Mauro Talevi
Method Summary |
boolean |
accept(java.lang.reflect.Type type)
Accepts parameterized types of raw type List and argument type Number |
protected java.lang.Object |
convertMissingValue(java.lang.String key,
java.lang.String defaultMessage,
java.lang.Object... parameters)
Handles the case of a missing value. |
java.lang.Object |
convertValue(java.lang.String propertyName,
java.lang.String value,
java.lang.reflect.Type toType)
Converts a String value to an Object of a given type |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
NumberListValueConverter
public NumberListValueConverter(MessageResources messageResources)
NumberListValueConverter
public NumberListValueConverter(MessageResources messageResources,
java.util.Properties patterns,
java.text.NumberFormat numberFormat)
accept
public boolean accept(java.lang.reflect.Type type)
- Accepts parameterized types of raw type List and argument type Number
- Specified by:
accept
in interface ValueConverter
- Overrides:
accept
in class StringListValueConverter
- Parameters:
type
- the Type a value is to be bound to
- Returns:
- A boolean
true
is type is compatible
convertValue
public java.lang.Object convertValue(java.lang.String propertyName,
java.lang.String value,
java.lang.reflect.Type toType)
- Description copied from interface:
ValueConverter
- Converts a String value to an Object of a given type
- Specified by:
convertValue
in interface ValueConverter
- Overrides:
convertValue
in class StringListValueConverter
- Parameters:
propertyName
- the associated property name, which can be null
, also needed to present
customized error messages.value
- the String valuetoType
- the Object Type
- Returns:
- The converted Object
convertMissingValue
protected java.lang.Object convertMissingValue(java.lang.String key,
java.lang.String defaultMessage,
java.lang.Object... parameters)
- Description copied from class:
AbstractValueConverter
- Handles the case of a missing value. By default it return a
null
converted value, but can be
overridden to throw a BindException
- Overrides:
convertMissingValue
in class StringListValueConverter
- Parameters:
key
- the error message keydefaultMessage
- the default message if key is not foundparameters
- the message formatting parameters
- Returns:
- A converted object when value is missing,
null
by default.
Copyright © 2008. All Rights Reserved.