org.apache.commons.beanutils.converters

Class ClassConverter

java.lang.Object

org.apache.commons.beanutils.converters.AbstractConverter

org.apache.commons.beanutils.converters.ClassConverter

All Implemented Interfaces:

Converter

public final class ClassConverter
extends AbstractConverter

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.

Since:

1.4

Version:

$Id$

Constructor Summary

Constructors

Constructor and Description
ClassConverter() Construct a java.lang.Class Converter that throws a ConversionException if an error occurs.
ClassConverter(Object defaultValue) Construct a java.lang.Class Converter that returns a default value if an error occurs.

Method Summary

Modifier and Type	Method and Description
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<?>	getDefaultType() Return the default type this Converter handles.

Methods inherited from class org.apache.commons.beanutils.converters.AbstractConverter

conversionException, convert, convertArray, getDefault, handleError, handleMissing, isUseDefault, setDefaultValue, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ClassConverter

public ClassConverter()

Construct a java.lang.Class Converter that throws a ConversionException if an error occurs.

ClassConverter

public ClassConverter(Object defaultValue)

Construct a java.lang.Class Converter that returns a default value if an error occurs.

Parameters:

defaultValue - The default value to be returned if the value to be converted is missing or an error occurs converting the value.

Method Detail

getDefaultType

protected Class<?> getDefaultType()

Return the default type this Converter handles.

Specified by:

getDefaultType in class AbstractConverter

Returns:

The default type this Converter handles.

Since:

1.8.0

convertToString

protected String convertToString(Object value)

Convert a java.lang.Class or object into a String.

Overrides:

convertToString in class AbstractConverter

Parameters:

value - The input value to be converted

Returns:

the converted String value.

Since:

1.8.0

convertToType

protected <T> T convertToType(Class<T> type,
                              Object value)
                       throws Throwable

Convert the input object into a java.lang.Class.

Specified by:

convertToType in class AbstractConverter

Type Parameters:

T - Target type of the conversion.

Parameters:

type - Data type to which this value should be converted.

value - The input value to be converted.

Returns:

The converted value.

Throws:

Throwable - if an error occurs converting to the specified type

Since:

1.8.0