org.codehaus.plexus.util
Class ReflectionUtils

java.lang.Object
  org.codehaus.plexus.util.ReflectionUtils

public final class ReflectionUtils
extends java.lang.Object

Version:

$Id: ReflectionUtils.java 5958 2007-02-28 10:29:55Z olamy $

Author:

Michal Maczka, Jesse McConnell, Trygve Laugstøl

Constructor Summary

ReflectionUtils()

Method Summary

static java.lang.reflect.Field	getFieldByNameIncludingSuperclasses(java.lang.String fieldName, java.lang.Class clazz)
static java.util.List	getFieldsIncludingSuperclasses(java.lang.Class clazz)
static java.lang.reflect.Method	getSetter(java.lang.String fieldName, java.lang.Class clazz) Finds a setter in the given class for the given field.
static java.util.List	getSetters(java.lang.Class clazz) Finds all setters in the given class and super classes.
static java.lang.Class	getSetterType(java.lang.reflect.Method method) Returns the class of the argument to the setter.
static java.lang.Object	getValueIncludingSuperclasses(java.lang.String variable, java.lang.Object object) Generates a map of the fields and values on a given object, also pulls from superclasses
static java.util.Map	getVariablesAndValuesIncludingSuperclasses(java.lang.Object object) Generates a map of the fields and values on a given object, also pulls from superclasses
static boolean	isSetter(java.lang.reflect.Method method)
static void	setVariableValueInObject(java.lang.Object object, java.lang.String variable, java.lang.Object value) attempts to set the value to the variable in the object passed in

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectionUtils

public ReflectionUtils()

Method Detail

getFieldByNameIncludingSuperclasses

public static java.lang.reflect.Field getFieldByNameIncludingSuperclasses(java.lang.String fieldName,
                                                                          java.lang.Class clazz)

getFieldsIncludingSuperclasses

public static java.util.List getFieldsIncludingSuperclasses(java.lang.Class clazz)

getSetter

public static java.lang.reflect.Method getSetter(java.lang.String fieldName,
                                                 java.lang.Class clazz)

Finds a setter in the given class for the given field. It searches interfaces and superclasses too.

Parameters:

fieldName - the name of the field (i.e. 'fooBar'); it will search for a method named 'setFooBar'.

clazz - The class to find the method in.

Returns:

null or the method found.

getSetters

public static java.util.List getSetters(java.lang.Class clazz)

Finds all setters in the given class and super classes.

getSetterType

public static java.lang.Class getSetterType(java.lang.reflect.Method method)

Returns the class of the argument to the setter. Will throw an RuntimeException if the method isn't a setter.

setVariableValueInObject

public static void setVariableValueInObject(java.lang.Object object,
                                            java.lang.String variable,
                                            java.lang.Object value)
                                     throws java.lang.IllegalAccessException

attempts to set the value to the variable in the object passed in

Parameters:

object -

variable -

value -

Throws:

java.lang.IllegalAccessException

getValueIncludingSuperclasses

public static java.lang.Object getValueIncludingSuperclasses(java.lang.String variable,
                                                             java.lang.Object object)
                                                      throws java.lang.IllegalAccessException

Generates a map of the fields and values on a given object, also pulls from superclasses

Parameters:

object - the object to generate the list of fields from

Returns:

map containing the fields and their values

Throws:

java.lang.IllegalAccessException

getVariablesAndValuesIncludingSuperclasses

public static java.util.Map getVariablesAndValuesIncludingSuperclasses(java.lang.Object object)
                                                                throws java.lang.IllegalAccessException

Generates a map of the fields and values on a given object, also pulls from superclasses

Parameters:

object - the object to generate the list of fields from

Returns:

map containing the fields and their values

Throws:

java.lang.IllegalAccessException

isSetter

public static boolean isSetter(java.lang.reflect.Method method)