org.codehaus.plexus.util
Class ReflectionUtils

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

public final class ReflectionUtils

extends Object

Version:

$Id: ReflectionUtils.java 8010 2009-01-07 12:59:50Z vsiveton $

Author:

Michal Maczka, Jesse McConnell, Trygve Laugstøl

Constructor Summary

ReflectionUtils()

Method Summary

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

getFieldsIncludingSuperclasses

public static List getFieldsIncludingSuperclasses(Class clazz)

getSetter

public static Method getSetter(String fieldName,
                               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 List getSetters(Class clazz)

Finds all setters in the given class and super classes.

getSetterType

public static Class getSetterType(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(Object object,
                                            String variable,
                                            Object value)
                                     throws IllegalAccessException

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

Parameters:

object -

variable -

value -

Throws:

IllegalAccessException

getValueIncludingSuperclasses

public static Object getValueIncludingSuperclasses(String variable,
                                                   Object object)
                                            throws 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:

IllegalAccessException

getVariablesAndValuesIncludingSuperclasses

public static Map getVariablesAndValuesIncludingSuperclasses(Object object)
                                                      throws 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:

IllegalAccessException

isSetter

public static boolean isSetter(Method method)