Package org.apache.cayenne.reflect

Class PropertyUtils

java.lang.Object

org.apache.cayenne.reflect.PropertyUtils

public class PropertyUtils
extends Object

Utility methods to quickly access object properties. This class supports simple and nested properties and also conversion of property values to match property type. No converter customization is provided yet, so only basic converters for Strings, Numbers and primitives are available.

Since:

1.2

Method Summary

Modifier and Type	Method	Description
static Accessor	accessor(String nestedPropertyName)	Compiles an accessor that can be used for fast access for the nested property of the objects of a given class.
static Object	getProperty(Object object, String nestedPropertyName)	Returns object property using JavaBean-compatible introspection with one addition - a property can be a dot-separated property name path.
static void	installAccessorFactory(AccessorFactory accessorFactory)	This method installs custom accessor factory to be used by property utils.
static void	setProperty(Object object, String nestedPropertyName, Object value)	Sets object property using JavaBean-compatible introspection with one addition - a property can be a dot-separated property name path.

Methods inherited from class java.lang.Object

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

Method Details

accessor

public static Accessor accessor(String nestedPropertyName)

Compiles an accessor that can be used for fast access for the nested property of the objects of a given class.

Since:

4.0

getProperty

public static Object getProperty(Object object,
 String nestedPropertyName)
                          throws CayenneRuntimeException

Returns object property using JavaBean-compatible introspection with one addition - a property can be a dot-separated property name path.

Throws:

CayenneRuntimeException

setProperty

public static void setProperty(Object object,
 String nestedPropertyName,
 Object value)
                        throws CayenneRuntimeException

Sets object property using JavaBean-compatible introspection with one addition - a property can be a dot-separated property name path. Before setting a value attempts to convert it to a type compatible with the object property. Automatic conversion is supported between strings and basic types like numbers or primitives.

Throws:

CayenneRuntimeException

installAccessorFactory

public static void installAccessorFactory(AccessorFactory accessorFactory)

This method installs custom accessor factory to be used by property utils.

A factory that produces BeanAccessor is used by default.

Parameters:

accessorFactory - new factory to use

Since:

4.1