org.granite.util

Class ClassUtil

java.lang.Object

org.granite.util.ClassUtil

public abstract class ClassUtil
extends Object

Author:

Franck WOLFF

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ClassUtil.DeclaredAnnotation<T extends Annotation>

Constructor Summary

Constructors

Constructor and Description
ClassUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static Class<?>	classOfType(Type type)
static String	decapitalize(String name)
static <T> List<T>	emptyList(Class<T> type)
static <T,U> Map<T,U>	emptyMap(Class<T> keyType, Class<U> valueType)
static <T> Set<T>	emptySet(Class<T> type)
static URL	findResource(Class<?> clazz)
static Class<?>	forName(String type)
static <T> Class<T>	forName(String type, Class<T> cast)
static <T extends Annotation> ClassUtil.DeclaredAnnotation<T>	getAnnotation(AnnotatedElement elmt, Class<T> annotationClass)
static Type	getBoundType(TypeVariable<?> typeVariable)
static <T extends Annotation> ClassUtil.DeclaredAnnotation<T>	getClassAnnotation(Class<?> clazz, Class<T> annotationClass)
static ClassLoader	getClassLoader(Class<?> clazz)
static <T> Constructor<T>	getConstructor(Class<T> type, Class<?>[] paramTypes)
static Constructor<?>	getConstructor(String type, Class<?>[] paramTypes)
static <T extends Annotation> ClassUtil.DeclaredAnnotation<T>	getConstructorAnnotation(Class<?> clazz, Class<T> annotationClass)
static Method	getMethod(Class<?> clazz, String signature)
static <T extends Annotation> ClassUtil.DeclaredAnnotation<T>	getMethodAnnotation(Class<?> clazz, String name, Class<?>[] parameterTypes, Class<T> annotationClass)
static String	getMethodSignature(Method method)
static String	getPackageName(Class<?> clazz)
static PropertyDescriptor[]	getProperties(Class<?> clazz)
static String	getTypeSignature(Class<?> type)
static boolean	isAnnotationPresent(AnnotatedElement elmt, Class<? extends Annotation> annotationClass)
static boolean	isPrimitive(Type type)
static <T> T	newInstance(Class<?> type, Class<T> cast)
static <T> T	newInstance(Class<T> type, Class<?>[] argsClass, Object[] argsValues)
static Object	newInstance(String type)
static Object	newInstance(String type, Class<?>[] argsClass, Object[] argsValues)
static <T> T	newInstance(String type, Class<T> cast)
static String	removeSpaces(String s)
static String	toResourceName(Class<?> clazz)

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassUtil

public ClassUtil()

Method Detail

newInstance

public static Object newInstance(String type)
                          throws ClassNotFoundException,
                                 InstantiationException,
                                 IllegalAccessException

Throws:

ClassNotFoundException

InstantiationException

IllegalAccessException

newInstance

public static <T> T newInstance(String type,
                Class<T> cast)
                     throws ClassNotFoundException,
                            InstantiationException,
                            IllegalAccessException

Throws:

ClassNotFoundException

InstantiationException

IllegalAccessException

newInstance

public static Object newInstance(String type,
                 Class<?>[] argsClass,
                 Object[] argsValues)
                          throws ClassNotFoundException,
                                 InstantiationException,
                                 IllegalAccessException

Throws:

ClassNotFoundException

InstantiationException

IllegalAccessException

newInstance

public static <T> T newInstance(Class<?> type,
                Class<T> cast)
                     throws InstantiationException,
                            IllegalAccessException

Throws:

InstantiationException

IllegalAccessException

newInstance

public static <T> T newInstance(Class<T> type,
                Class<?>[] argsClass,
                Object[] argsValues)
                     throws InstantiationException,
                            IllegalAccessException

Throws:

InstantiationException

IllegalAccessException

forName

public static Class<?> forName(String type)
                        throws ClassNotFoundException

Throws:

ClassNotFoundException

forName

public static <T> Class<T> forName(String type,
                   Class<T> cast)
                        throws ClassNotFoundException

Throws:

ClassNotFoundException

getConstructor

public static Constructor<?> getConstructor(String type,
                            Class<?>[] paramTypes)
                                     throws ClassNotFoundException,
                                            NoSuchMethodException

Throws:

ClassNotFoundException

NoSuchMethodException

getConstructor

public static <T> Constructor<T> getConstructor(Class<T> type,
                                Class<?>[] paramTypes)
                                     throws NoSuchMethodException

Throws:

NoSuchMethodException

emptyList

public static <T> List<T> emptyList(Class<T> type)

emptySet

public static <T> Set<T> emptySet(Class<T> type)

emptyMap

public static <T,U> Map<T,U> emptyMap(Class<T> keyType,
                      Class<U> valueType)

isPrimitive

public static boolean isPrimitive(Type type)

classOfType

public static Class<?> classOfType(Type type)

getBoundType

public static Type getBoundType(TypeVariable<?> typeVariable)

getPackageName

public static String getPackageName(Class<?> clazz)

getProperties

public static PropertyDescriptor[] getProperties(Class<?> clazz)

getClassLoader

public static ClassLoader getClassLoader(Class<?> clazz)

findResource

public static URL findResource(Class<?> clazz)

toResourceName

public static String toResourceName(Class<?> clazz)

getMethodSignature

public static String getMethodSignature(Method method)

getTypeSignature

public static String getTypeSignature(Class<?> type)

getMethod

public static Method getMethod(Class<?> clazz,
               String signature)
                        throws NoSuchMethodException

Throws:

NoSuchMethodException

removeSpaces

public static String removeSpaces(String s)

decapitalize

public static String decapitalize(String name)

isAnnotationPresent

public static boolean isAnnotationPresent(AnnotatedElement elmt,
                          Class<? extends Annotation> annotationClass)

getAnnotation

public static <T extends Annotation> ClassUtil.DeclaredAnnotation<T> getAnnotation(AnnotatedElement elmt,
                                                                   Class<T> annotationClass)

getMethodAnnotation

public static <T extends Annotation> ClassUtil.DeclaredAnnotation<T> getMethodAnnotation(Class<?> clazz,
                                                                         String name,
                                                                         Class<?>[] parameterTypes,
                                                                         Class<T> annotationClass)

getConstructorAnnotation

public static <T extends Annotation> ClassUtil.DeclaredAnnotation<T> getConstructorAnnotation(Class<?> clazz,
                                                                              Class<T> annotationClass)

getClassAnnotation

public static <T extends Annotation> ClassUtil.DeclaredAnnotation<T> getClassAnnotation(Class<?> clazz,
                                                                        Class<T> annotationClass)