Class ReflectionUtil


  • public abstract class ReflectionUtil
    extends java.lang.Object
    • Constructor Summary

      Constructors 
      Constructor Description
      ReflectionUtil()  
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.io.File getClassFile​(java.lang.Class<?> clazz)
      Returns the class file for the given class (which has been verified to exist in the returned location), or null if the class file could not be found (e.g.
      static java.lang.reflect.Method getDeclaredMethodByName​(java.lang.Class<?> clazz, java.lang.String name)  
      static java.lang.reflect.Method getDeclaredMethodBySignature​(java.lang.Class<?> clazz, java.lang.String name, java.lang.Class<?>... parameterTypes)  
      static java.lang.Object getDefaultValue​(java.lang.Class<?> type)  
      static java.lang.reflect.Method getMethodByName​(java.lang.Class<?> clazz, java.lang.String name)
      Finds a public method with the given name declared in the given class/interface or one of its super classes/interfaces.
      static java.lang.reflect.Method getMethodBySignature​(java.lang.Class<?> clazz, java.lang.String name, java.lang.Class<?>... parameterTypes)  
      static java.lang.Class[] getTypes​(java.lang.Object... objects)  
      static boolean hasAnyOfTypes​(java.lang.Object value, java.lang.Class<?>... types)  
      static java.lang.Object invokeMethod​(java.lang.Object target, java.lang.reflect.Method method, java.lang.Object... args)  
      static boolean isAnnotationPresent​(java.lang.reflect.AnnotatedElement element, java.lang.String className)  
      static boolean isClassAvailable​(java.lang.String className)  
      static boolean isMethodAvailable​(java.lang.String className, java.lang.String methodName)  
      static java.lang.Class<?> loadClassIfAvailable​(java.lang.String className)  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • ReflectionUtil

        public ReflectionUtil()
    • Method Detail

      • loadClassIfAvailable

        public static java.lang.Class<?> loadClassIfAvailable​(java.lang.String className)
      • isClassAvailable

        public static boolean isClassAvailable​(java.lang.String className)
      • isMethodAvailable

        public static boolean isMethodAvailable​(java.lang.String className,
                                                java.lang.String methodName)
      • isAnnotationPresent

        public static boolean isAnnotationPresent​(java.lang.reflect.AnnotatedElement element,
                                                  java.lang.String className)
      • getMethodByName

        public static java.lang.reflect.Method getMethodByName​(java.lang.Class<?> clazz,
                                                               java.lang.String name)
        Finds a public method with the given name declared in the given class/interface or one of its super classes/interfaces. If multiple such methods exists, it is undefined which one is returned.
      • getDeclaredMethodByName

        public static java.lang.reflect.Method getDeclaredMethodByName​(java.lang.Class<?> clazz,
                                                                       java.lang.String name)
      • getMethodBySignature

        public static java.lang.reflect.Method getMethodBySignature​(java.lang.Class<?> clazz,
                                                                    java.lang.String name,
                                                                    java.lang.Class<?>... parameterTypes)
      • getDeclaredMethodBySignature

        public static java.lang.reflect.Method getDeclaredMethodBySignature​(java.lang.Class<?> clazz,
                                                                            java.lang.String name,
                                                                            java.lang.Class<?>... parameterTypes)
      • getClassFile

        public static java.io.File getClassFile​(java.lang.Class<?> clazz)
        Returns the class file for the given class (which has been verified to exist in the returned location), or null if the class file could not be found (e.g. because it is contained in a Jar).
      • getDefaultValue

        public static java.lang.Object getDefaultValue​(java.lang.Class<?> type)
      • hasAnyOfTypes

        public static boolean hasAnyOfTypes​(java.lang.Object value,
                                            java.lang.Class<?>... types)
      • getTypes

        public static java.lang.Class[] getTypes​(java.lang.Object... objects)
      • invokeMethod

        public static java.lang.Object invokeMethod​(java.lang.Object target,
                                                    java.lang.reflect.Method method,
                                                    java.lang.Object... args)