net.lecousin.framework.util

Class ClassUtil

java.lang.Object

net.lecousin.framework.util.ClassUtil

public final class ClassUtil
extends Object

Utility methods for reflexivity.

Method Summary

Modifier and Type	Method and Description
static List<Annotation>	expandRepeatableAnnotations(Annotation[] list) Expand repeatable annotations.
static List<Annotation>	expandRepeatableAnnotations(Iterable<Annotation> list) Expand repeatable annotations.
static List<Annotation>	getAllAnnotations(Class<?> clazz) Returns all annotations including those on the superclass and implemented interfaces.
static Iterable<Field>	getAllFields(Class<?> cl) Get all fields from the given class and all its super classes.
static ArrayList<Field>	getAllFieldsInheritedFirst(Class<?> cl) Get all fields from the given class and all its super classes, with the ones from the root class first.
static ArrayList<Method>	getAllMethodsInheritedFirst(Class<?> cl) Get all methods from the given class and all its super classes, with the ones from the root class first.
static Field	getField(Class<?> cl, String name) Search for a specific field from the given class and its super classes.
static Object	getFieldFromPath(Object object, String path) Search for a field using a path.
static Method	getGetter(Class<?> cl, String name) Search for a getter method.
static Method	getMethod(Class<?> cl, String name) Search for a method.
static Method	getMethod(Class<?> cl, String name, int nbParameters) Search for a method with a name and a specific number of parameters.
static Method	getMethodFor(Class<?> cl, String name, Object... params) Search a method compatible with the given parameters.
static List<Method>	getMethods(Class<?> cl, String name, int nbParameters) Search for a method with a name and a specific number of parameters.
static String	getPackageName(Class<?> cl) Return the package of the given class.
static Method	getSetter(Class<?> cl, String name) Search for a setter method.
static boolean	isMethodParameterCompatibleWith(Class<?> paramType, Object paramValue) Return true if paramType can be assigned with paramValue.
static boolean	setFieldFromPath(Object object, String path, Object value) Set a value to a field, using a path.

Methods inherited from class java.lang.Object

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

Method Detail

getAllFields

public static Iterable<Field> getAllFields(Class<?> cl)

Get all fields from the given class and all its super classes.

getAllFieldsInheritedFirst

public static ArrayList<Field> getAllFieldsInheritedFirst(Class<?> cl)

Get all fields from the given class and all its super classes, with the ones from the root class first.

getAllMethodsInheritedFirst

public static ArrayList<Method> getAllMethodsInheritedFirst(Class<?> cl)

Get all methods from the given class and all its super classes, with the ones from the root class first.

getField

public static Field getField(Class<?> cl,
                             String name)

Search for a specific field from the given class and its super classes.

getSetter

public static Method getSetter(Class<?> cl,
                               String name)

Search for a setter method.

getGetter

public static Method getGetter(Class<?> cl,
                               String name)

Search for a getter method.

getPackageName

public static String getPackageName(Class<?> cl)

Return the package of the given class.

getMethodFor

public static Method getMethodFor(Class<?> cl,
                                  String name,
                                  Object... params)

Search a method compatible with the given parameters.

isMethodParameterCompatibleWith

public static boolean isMethodParameterCompatibleWith(Class<?> paramType,
                                                      Object paramValue)

Return true if paramType can be assigned with paramValue.

getMethod

public static Method getMethod(Class<?> cl,
                               String name)

Search for a method.

getMethod

public static Method getMethod(Class<?> cl,
                               String name,
                               int nbParameters)

Search for a method with a name and a specific number of parameters.

getMethods

public static List<Method> getMethods(Class<?> cl,
                                      String name,
                                      int nbParameters)

Search for a method with a name and a specific number of parameters.

setFieldFromPath

public static boolean setFieldFromPath(Object object,
                                       String path,
                                       Object value)

Set a value to a field, using a path. The path is a list of fields separated by dot.

getFieldFromPath

public static Object getFieldFromPath(Object object,
                                      String path)
                               throws NoSuchFieldException,
                                      IllegalAccessException,
                                      InvocationTargetException

Search for a field using a path. The path is a list of fields separated by dot.

Throws:

NoSuchFieldException

IllegalAccessException

InvocationTargetException

getAllAnnotations

public static List<Annotation> getAllAnnotations(Class<?> clazz)

Returns all annotations including those on the superclass and implemented interfaces.

expandRepeatableAnnotations

public static List<Annotation> expandRepeatableAnnotations(Annotation[] list)

Expand repeatable annotations.

expandRepeatableAnnotations

public static List<Annotation> expandRepeatableAnnotations(Iterable<Annotation> list)

Expand repeatable annotations.