net.sf.mmm.util.value.base

Class PojoPathPropertyAccessor<POJO,VALUE>

java.lang.Object

net.sf.mmm.util.value.base.PojoPathPropertyAccessor<POJO,VALUE>

Type Parameters:

POJO - is the generic type of the Pojo to access.

VALUE - is the generic type of the POJOs property to access.

All Implemented Interfaces:

AttributeReadValueType<VALUE>, PropertyAccessor<POJO,VALUE>

public class PojoPathPropertyAccessor<POJO,VALUE>
extends Object
implements PropertyAccessor<POJO,VALUE>, AttributeReadValueType<VALUE>

This is an implementation of PropertyAccessor using PojoPathNavigator (based on reflection).

Since:

3.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
private PojoPathContext	context The PojoPathContext to use.
private PojoPathNavigator	navigator The PojoPathNavigator instance to use.
private String	pojoPath The PojoPath pointing to the according property to access.
private Class<VALUE>	valueType
private PojoPathMode	writeMode The PojoPathMode used for write access.

Constructor Summary

Constructors

Constructor and Description
PojoPathPropertyAccessor(PojoPathNavigator navigator, String pojoPath, Class<VALUE> valueType) The constructor.
PojoPathPropertyAccessor(PojoPathNavigator navigator, String pojoPath, Class<VALUE> valueType, PojoPathMode writeMode) The constructor.
PojoPathPropertyAccessor(PojoPathNavigator navigator, String pojoPath, Class<VALUE> valueType, PojoPathMode writeMode, PojoPathContext context) The constructor.

Method Summary

Modifier and Type	Method and Description
VALUE	getValue(POJO element) This method gets the value of the property represented by this PropertyAccessor from the given element.
Class<VALUE>	getValueType() This method gets the value type of this object.
void	setValue(POJO element, VALUE value) This method sets the value of the property represented by this PropertyAccessor in the given element.

Methods inherited from class java.lang.Object

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

Field Detail

navigator

private final PojoPathNavigator navigator

The PojoPathNavigator instance to use.

pojoPath

private final String pojoPath

The PojoPath pointing to the according property to access.

valueType

private final Class<VALUE> valueType

writeMode

private final PojoPathMode writeMode

The PojoPathMode used for write access.

context

private final PojoPathContext context

The PojoPathContext to use.

Constructor Detail

PojoPathPropertyAccessor

public PojoPathPropertyAccessor(PojoPathNavigator navigator,
                                String pojoPath,
                                Class<VALUE> valueType)

The constructor.

Parameters:

navigator - is the PojoPathNavigator instance to use.

pojoPath - is the PojoPath pointing to the according property to access.

valueType - is the value type.

PojoPathPropertyAccessor

public PojoPathPropertyAccessor(PojoPathNavigator navigator,
                                String pojoPath,
                                Class<VALUE> valueType,
                                PojoPathMode writeMode)

The constructor.

Parameters:

navigator - is the PojoPathNavigator instance to use.

pojoPath - is the PojoPath pointing to the according property to access.

valueType - is the value type.

writeMode - is the PojoPathMode used for write access. For read-access always PojoPathMode.RETURN_IF_NULL is used.

PojoPathPropertyAccessor

public PojoPathPropertyAccessor(PojoPathNavigator navigator,
                                String pojoPath,
                                Class<VALUE> valueType,
                                PojoPathMode writeMode,
                                PojoPathContext context)

The constructor.

Parameters:

navigator - is the PojoPathNavigator instance to use.

pojoPath - is the PojoPath pointing to the according property to access.

valueType - is the value type.

writeMode - is the PojoPathMode used for write access. For read-access always PojoPathMode.RETURN_IF_NULL is used.

context - is the PojoPathContext to use.

Method Detail

getValueType

public Class<VALUE> getValueType()

Description copied from interface: AttributeReadValueType

This method gets the value type of this object. This is the class reflecting a particular value such as AttributeReadValue.getValue().

Specified by:

getValueType in interface AttributeReadValueType<VALUE>

Returns:

the value type of this object.

getValue

public VALUE getValue(POJO element)

Description copied from interface: PropertyAccessor

This method gets the value of the property represented by this PropertyAccessor from the given element.

Specified by:

getValue in interface PropertyAccessor<POJO,VALUE>

Parameters:

element - is the element where to get the value from.

Returns:

the value of the property from the given element.

setValue

public void setValue(POJO element,
                     VALUE value)

Description copied from interface: PropertyAccessor

This method sets the value of the property represented by this PropertyAccessor in the given element.

Specified by:

setValue in interface PropertyAccessor<POJO,VALUE>

Parameters:

element - is the element where to set the value.

value - is the new value for the property.