org.foxlabs.validation.metadata

Class BeanMetaData.Property<T,V>

java.lang.Object

org.foxlabs.validation.metadata.AbstractPropertyMetaData<T,V>

org.foxlabs.validation.metadata.BeanMetaData.Property<T,V>

Type Parameters:

V - The type of property

All Implemented Interfaces:

ElementMetaData<T,V>, MetaData<V>, PropertyMetaData<T,V>

Enclosing class:

BeanMetaData<T>

protected static class BeanMetaData.Property<T,V>
extends AbstractPropertyMetaData<T,V>

This class provides PropertyMetaData implementation for java beans.

Author:

Fox Mulder

Field Summary

Fields

Modifier and Type	Field and Description
protected org.foxlabs.util.reflect.PropertyGetter	getter Property value getter.
protected org.foxlabs.util.reflect.PropertySetter	setter Property value setter.
protected Class<V>	wtype Property wrapped type.

Fields inherited from class org.foxlabs.validation.metadata.AbstractPropertyMetaData

constraint, converter, defaultValue, name

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Property(String name, Converter<V> converter, Constraint<? super V> constraint, org.foxlabs.util.reflect.PropertyGetter getter, org.foxlabs.util.reflect.PropertySetter setter, V defaultValue) Constructs a new BeanPropertyMetaData with the specified name, converter, constraint, property getter and setter.

Method Summary

Modifier and Type	Method and Description
V	cast(Object value) Casts the specified value to this property type.
V	getValue(T bean) Returns value of this property for the specified bean.
boolean	isReadable() Determines if this property has getter.
boolean	isWriteable() Determines if this property has setter.
void	setValue(T bean, Object value) Assigns value of this property for the specified bean.

Methods inherited from class org.foxlabs.validation.metadata.AbstractPropertyMetaData

equals, getConstraint, getConverter, getDefaultValue, getName, getType, hashCode, isRequired, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

wtype

protected final Class<V> wtype

Property wrapped type.

getter

protected final org.foxlabs.util.reflect.PropertyGetter getter

Property value getter.

setter

protected final org.foxlabs.util.reflect.PropertySetter setter

Property value setter.

Constructor Detail

Property

protected Property(String name,
                   Converter<V> converter,
                   Constraint<? super V> constraint,
                   org.foxlabs.util.reflect.PropertyGetter getter,
                   org.foxlabs.util.reflect.PropertySetter setter,
                   V defaultValue)

Constructs a new BeanPropertyMetaData with the specified name, converter, constraint, property getter and setter.

Parameters:

name - Property name.

converter - Converter to be used for property value conversion into and from string representation.

constraint - Constraint to be used for property value validation.

getter - Property value getter.

setter - Property value setter.

defaultValue - Property default value.

Throws:

IllegalArgumentException - if the specified name or converter is null or name is empty.

Method Detail

isReadable

public final boolean isReadable()

Determines if this property has getter.

Specified by:

isReadable in interface PropertyMetaData<T,V>

Overrides:

isReadable in class AbstractPropertyMetaData<T,V>

Returns:

true if this property has getter; false otherwise.

isWriteable

public final boolean isWriteable()

Determines if this property has setter.

Specified by:

isWriteable in interface PropertyMetaData<T,V>

Overrides:

isWriteable in class AbstractPropertyMetaData<T,V>

Returns:

true if this property has setter; false otherwise.

cast

public V cast(Object value)

Casts the specified value to this property type.

Specified by:

cast in interface MetaData<V>

Overrides:

cast in class AbstractPropertyMetaData<T,V>

Parameters:

value - Value to be cast.

Returns:

Value after casting.

Throws:

ClassCastException - if the specified value is not assignable to this property type.

getValue

public final V getValue(T bean)

Returns value of this property for the specified bean.

Specified by:

getValue in interface PropertyMetaData<T,V>

Overrides:

getValue in class AbstractPropertyMetaData<T,V>

Parameters:

bean - Bean whose property value should be returned.

Returns:

Value of this property for the specified bean.

Throws:

IllegalArgumentException - if this specified bean is null.

UnsupportedOperationException - if this property is not readable.

setValue

public final void setValue(T bean,
                           Object value)

Assigns value of this property for the specified bean.

Specified by:

setValue in interface PropertyMetaData<T,V>

Overrides:

setValue in class AbstractPropertyMetaData<T,V>

Parameters:

bean - Bean whose property value should be assigned.

value - New property value.

Throws:

IllegalArgumentException - if this specified bean is null.

UnsupportedOperationException - if this property is not writeable.