程序包 net.dongliu.commons.reflect

类 Classes

  • public class Classes
extends java.lang.Object
    Utils method for Class reflection.

    • 构造器概要

      构造器 
      构造器 说明
      Classes()  

    • 方法概要

      所有方法 静态方法 具体方法 
      修饰符和类型 方法 说明
      static <T> java.lang.Class<T> cast​(java.lang.Class<? super T> cls)
      Method for suppress generic class type cast warning.
      static boolean exists​(java.lang.String className)
      Use Reflection to see if class exists, using context classloader of current thread.
      static boolean exists​(java.lang.String className, java.lang.ClassLoader classLoader)
      Use Reflection to see if class exists, using specified classloader.
      static java.util.List<java.lang.reflect.Field> getAllMemberFields​(java.lang.Class<?> cls)
      Get all non-static, non-Synthetic fields, declared in this class and all it's parent classes.
      static boolean hasMethod​(java.lang.Class<?> cls, java.lang.String methodName, java.lang.Class<?>... parameterTypes)
      If class has specified method.
      static boolean isAbstract​(java.lang.Class<?> cls)
      If is abstract class
      static boolean isFinal​(java.lang.Class<?> cls)
      If is final class
      static boolean isInterface​(java.lang.Class<?> cls)
      If is interface class
      static boolean isPrimitiveWrapper​(java.lang.Class<?> cls)
      If class is primitive wrapper class(Integer, Boolean, etc).
      static boolean isPrivate​(java.lang.Class<?> cls)
      If is private class
      static boolean isProtected​(java.lang.Class<?> cls)
      If is protected class
      static boolean isPublic​(java.lang.Class<?> cls)
      If is public class

      • 从类继承的方法 java.lang.Object

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

    • 构造器详细资料

      • Classes

        public Classes()

    • 方法详细资料

      • cast

        public static <T> java.lang.Class<T> cast​(java.lang.Class<? super T> cls)
        Method for suppress generic class type cast warning. Usage: 
         Class≶List≶String>> cls = Classes.cast(List.class);
        类型参数:
        T - the class type
        参数:
        cls - the class

      • getAllMemberFields

        public static java.util.List<java.lang.reflect.Field> getAllMemberFields​(java.lang.Class<?> cls)
        Get all non-static, non-Synthetic fields, declared in this class and all it's parent classes. If sub class override parent class's filed, will only return sub class's field.
        参数:
        cls - the class
        返回:
        list of fields

      • exists

        public static boolean exists​(java.lang.String className)
        Use Reflection to see if class exists, using context classloader of current thread. The class will not be initialized.
        参数:
        className - the full class name
        返回:
        true if class exists.

      • exists

        public static boolean exists​(java.lang.String className,
                             java.lang.ClassLoader classLoader)
        Use Reflection to see if class exists, using specified classloader. The class will not be initialized.
        参数:
        className - the full class name
        返回:
        true if class exists.

      • hasMethod

        public static boolean hasMethod​(java.lang.Class<?> cls,
                                java.lang.String methodName,
                                java.lang.Class<?>... parameterTypes)
        If class has specified method.
        参数:
        cls - the class
        methodName - the method name
        parameterTypes - the method parameter types
        返回:
        if method exists

      • isPrimitiveWrapper

        public static boolean isPrimitiveWrapper​(java.lang.Class<?> cls)
        If class is primitive wrapper class(Integer, Boolean, etc).
        参数:
        cls - the class
        返回:
        true if is primitive wrapper class

      • isPrivate

        public static boolean isPrivate​(java.lang.Class<?> cls)
        If is private class
        参数:
        cls - the class
        返回:
        true if is private class

      • isPublic

        public static boolean isPublic​(java.lang.Class<?> cls)
        If is public class
        参数:
        cls - the class
        返回:
        true if is public class

      • isProtected

        public static boolean isProtected​(java.lang.Class<?> cls)
        If is protected class
        参数:
        cls - the class
        返回:
        true if is protected class

      • isAbstract

        public static boolean isAbstract​(java.lang.Class<?> cls)
        If is abstract class
        参数:
        cls - the class
        返回:
        true if is abstract class

      • isInterface

        public static boolean isInterface​(java.lang.Class<?> cls)
        If is interface class
        参数:
        cls - the class
        返回:
        true if is interface

      • isFinal

        public static boolean isFinal​(java.lang.Class<?> cls)
        If is final class
        参数:
        cls - the class
        返回:
        true if is final class