? ClassConverter
java.lang.Object
org.apache.commons.beanutils.converters.AbstractConverter
org.apache.commons.beanutils.converters.ClassConverter
- ????????:
Converter
Converter
implementaion that handles conversion
to and from java.lang.Class objects.
The class will be loaded from the thread context class loader (if it exists); otherwise the class loader that loaded this class will be used.
Can be configured to either return a default value or throw a
ConversionException
if a conversion error occurs.
- ???????:
- 1.4
- ??:
- $Id$
-
?????
????????Construct a java.lang.Class Converter that throws aConversionException
if an error occurs.ClassConverter
(Object defaultValue) Construct a java.lang.Class Converter that returns a default value if an error occurs. -
????
??????????protected String
convertToString
(Object value) Convert a java.lang.Class or object into a String.protected <T> T
convertToType
(Class<T> type, Object value) Convert the input object into a java.lang.Class.protected Class<?>
Return the default type thisConverter
handles.??????? org.apache.commons.beanutils.converters.AbstractConverter
conversionException, convert, convertArray, getDefault, handleError, handleMissing, isUseDefault, setDefaultValue, toString
-
???????
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ClassConverter
public ClassConverter()Construct a java.lang.Class Converter that throws aConversionException
if an error occurs. -
ClassConverter
Construct a java.lang.Class Converter that returns a default value if an error occurs.- ??:
defaultValue
- The default value to be returned if the value to be converted is missing or an error occurs converting the value.
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??????
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getDefaultType
Return the default type thisConverter
handles.- ???:
getDefaultType
???AbstractConverter
- ??:
- The default type this
Converter
handles. - ???????:
- 1.8.0
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convertToString
Convert a java.lang.Class or object into a String.
- ??:
convertToString
???AbstractConverter
- ??:
value
- The input value to be converted- ??:
- the converted String value.
- ???????:
- 1.8.0
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convertToType
Convert the input object into a java.lang.Class.
- ???:
convertToType
???AbstractConverter
- ????:
T
- Target type of the conversion.- ??:
type
- Data type to which this value should be converted.value
- The input value to be converted.- ??:
- The converted value.
- ??:
Throwable
- if an error occurs converting to the specified type- ???????:
- 1.8.0
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