PropertyUtils (Commons BeanUtils 1.8.2 API)

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org.apache.commons.beanutils
Class PropertyUtils

java.lang.Object
  org.apache.commons.beanutils.PropertyUtils

public class PropertyUtils
extends Object
extends Object

Utility methods for using Java Reflection APIs to facilitate generic property getter and setter operations on Java objects.

The implementations for these methods are provided by PropertyUtilsBean. For more details see PropertyUtilsBean.

Version:: $Revision: 644137 $ $Date: 2008-04-03 03:30:23 +0100 (Thu, 03 Apr 2008) $
Author:: Craig R. McClanahan, Ralph Schaer, Chris Audley, Rey Francois, Gregor Rayman, Jan Sorensen, Scott Sanders
See Also:: PropertyUtilsBean, Resolver

Field Summary
`static char`	`INDEXED_DELIM` Deprecated. The notation used for property name expressions is now dependant on the `Resolver` implementation being used.
`static char`	`INDEXED_DELIM2` Deprecated. The notation used for property name expressions is now dependant on the `Resolver` implementation being used.
`static char`	`MAPPED_DELIM` Deprecated. The notation used for property name expressions is now dependant on the `Resolver` implementation being used.
`static char`	`MAPPED_DELIM2` Deprecated. The notation used for property name expressions is now dependant on the `Resolver` implementation being used.
`static char`	`NESTED_DELIM` Deprecated. The notation used for property name expressions is now dependant on the `Resolver` implementation being used.

Constructor Summary
`PropertyUtils()`

Method Summary
`static void`	`clearDescriptors()` Clear any cached property descriptors information for all classes loaded by any class loaders.
`static void`	`copyProperties(Object dest, Object orig)` Copy property values from the "origin" bean to the "destination" bean for all cases where the property names are the same (even though the actual getter and setter methods might have been customized via `BeanInfo` classes).
`static Map`	`describe(Object bean)` Return the entire set of properties for which the specified bean provides a read method.
`static int`	`getDebug()` Deprecated. The `debug` static property is no longer used
`static Object`	`getIndexedProperty(Object bean, String name)` Return the value of the specified indexed property of the specified bean, with no type conversions.
`static Object`	`getIndexedProperty(Object bean, String name, int index)` Return the value of the specified indexed property of the specified bean, with no type conversions.
`static Object`	`getMappedProperty(Object bean, String name)` Return the value of the specified mapped property of the specified bean, with no type conversions.
`static Object`	`getMappedProperty(Object bean, String name, String key)` Return the value of the specified mapped property of the specified bean, with no type conversions.
`static FastHashMap`	`getMappedPropertyDescriptors(Class beanClass)` Deprecated. This method should not be exposed
`static FastHashMap`	`getMappedPropertyDescriptors(Object bean)` Deprecated. This method should not be exposed
`static Object`	`getNestedProperty(Object bean, String name)` Return the value of the (possibly nested) property of the specified name, for the specified bean, with no type conversions.
`static Object`	`getProperty(Object bean, String name)` Return the value of the specified property of the specified bean, no matter which property reference format is used, with no type conversions.
`static PropertyDescriptor`	`getPropertyDescriptor(Object bean, String name)` Retrieve the property descriptor for the specified property of the specified bean, or return `null` if there is no such descriptor.
`static PropertyDescriptor[]`	`getPropertyDescriptors(Class beanClass)` Retrieve the property descriptors for the specified class, introspecting and caching them the first time a particular bean class is encountered.
`static PropertyDescriptor[]`	`getPropertyDescriptors(Object bean)` Retrieve the property descriptors for the specified bean, introspecting and caching them the first time a particular bean class is encountered.
`static Class`	`getPropertyEditorClass(Object bean, String name)` Return the Java Class repesenting the property editor class that has been registered for this property (if any).
`static Class`	`getPropertyType(Object bean, String name)` Return the Java Class representing the property type of the specified property, or `null` if there is no such property for the specified bean.
`static Method`	`getReadMethod(PropertyDescriptor descriptor)` Return an accessible property getter method for this property, if there is one; otherwise return `null`.
`static Object`	`getSimpleProperty(Object bean, String name)` Return the value of the specified simple property of the specified bean, with no type conversions.
`static Method`	`getWriteMethod(PropertyDescriptor descriptor)` Return an accessible property setter method for this property, if there is one; otherwise return `null`.
`static boolean`	`isReadable(Object bean, String name)` Return `true` if the specified property name identifies a readable property on the specified bean; otherwise, return `false`.
`static boolean`	`isWriteable(Object bean, String name)` Return `true` if the specified property name identifies a writeable property on the specified bean; otherwise, return `false`.
`static void`	`setDebug(int newDebug)` Deprecated. The `debug` static property is no longer used
`static void`	`setIndexedProperty(Object bean, String name, int index, Object value)` Sets the value of the specified indexed property of the specified bean, with no type conversions.
`static void`	`setIndexedProperty(Object bean, String name, Object value)` Sets the value of the specified indexed property of the specified bean, with no type conversions.
`static void`	`setMappedProperty(Object bean, String name, Object value)` Sets the value of the specified mapped property of the specified bean, with no type conversions.
`static void`	`setMappedProperty(Object bean, String name, String key, Object value)` Sets the value of the specified mapped property of the specified bean, with no type conversions.
`static void`	`setNestedProperty(Object bean, String name, Object value)` Sets the value of the (possibly nested) property of the specified name, for the specified bean, with no type conversions.
`static void`	`setProperty(Object bean, String name, Object value)` Set the value of the specified property of the specified bean, no matter which property reference format is used, with no type conversions.
`static void`	`setSimpleProperty(Object bean, String name, Object value)` Set the value of the specified simple property of the specified bean, with no type conversions.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

INDEXED_DELIM

public static final char INDEXED_DELIM

Deprecated. The notation used for property name expressions is now dependant on the Resolver implementation being used.

The delimiter that preceeds the zero-relative subscript for an indexed reference.

See Also:: Constant Field Values

INDEXED_DELIM2

public static final char INDEXED_DELIM2

Deprecated. The notation used for property name expressions is now dependant on the Resolver implementation being used.

The delimiter that follows the zero-relative subscript for an indexed reference.

See Also:: Constant Field Values

MAPPED_DELIM

public static final char MAPPED_DELIM

Deprecated. The notation used for property name expressions is now dependant on the Resolver implementation being used.

The delimiter that preceeds the key of a mapped property.

See Also:: Constant Field Values

MAPPED_DELIM2

public static final char MAPPED_DELIM2

Deprecated. The notation used for property name expressions is now dependant on the Resolver implementation being used.

The delimiter that follows the key of a mapped property.

See Also:: Constant Field Values

NESTED_DELIM

public static final char NESTED_DELIM

Deprecated. The notation used for property name expressions is now dependant on the Resolver implementation being used.

The delimiter that separates the components of a nested reference.

See Also:: Constant Field Values

Constructor Detail

PropertyUtils

public PropertyUtils()

Method Detail

getDebug

public static int getDebug()

Deprecated. The debug static property is no longer used

The debug static property is no longer used

Returns:: debug property

setDebug

public static void setDebug(int newDebug)

Deprecated. The debug static property is no longer used

The debug static property is no longer used

Parameters:: newDebug - debug property

clearDescriptors

public static void clearDescriptors()

Clear any cached property descriptors information for all classes loaded by any class loaders. This is useful in cases where class loaders are thrown away to implement class reloading.