Package org.apache.commons.beanutils2.converters

Class ClassConverter<T>

java.lang.Object

org.apache.commons.beanutils2.converters.AbstractConverter<Class<T>>

org.apache.commons.beanutils2.converters.ClassConverter<T>

Type Parameters:

T - the type of the class.

All Implemented Interfaces:

Converter<Class<T>>

public final class ClassConverter<T>
extends AbstractConverter<Class<T>>

Converter implementation 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

Constructor Summary

Constructors

Constructor	Description
ClassConverter()	Constructs a java.lang.Class Converter that throws a ConversionException if an error occurs.
ClassConverter(Class<T> defaultValue)	Constructs a java.lang.Class Converter that returns a default value if an error occurs.

Method Summary

Modifier and Type	Method	Description
protected String	convertToString(Object value)	Converts a java.lang.Class or object into a String.
protected <R> R	convertToType(Class<R> type, Object value)	Converts the input object into a java.lang.Class.
protected Class<Class<T>>	getDefaultType()	Gets the default type this Converter handles.

Methods inherited from class org.apache.commons.beanutils2.converters.AbstractConverter

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

Methods inherited from class java.lang.Object

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

Constructor Details

ClassConverter

public ClassConverter()

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

ClassConverter

public ClassConverter(Class<T> defaultValue)

Constructs 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 Details

convertToString

protected String convertToString(Object value)

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

Overrides:

convertToString in class AbstractConverter<Class<T>>

Parameters:

value - The input value to be converted

Returns:

the converted String value.

Since:

1.8.0

convertToType

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

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

Specified by:

convertToType in class AbstractConverter<Class<T>>

Type Parameters:

R - 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

getDefaultType

protected Class<Class<T>> getDefaultType()

Gets the default type this Converter handles.

Specified by:

getDefaultType in class AbstractConverter<Class<T>>

Returns:

The default type this Converter handles.

Since:

1.8.0