Package com.naver.ads.util

Object ReflectionUtils

  • All Implemented Interfaces:
    
public class ReflectionUtils

    Utility methods for calling methods and accessing fields reflectively.

    • Constructor Detail

    • Method Detail

      • getField

         final static <R extends Any> R getField(Object instance, String fieldName)

        Reflectively get the value of a field.

        Parameters:
        instance - the target instance
        fieldName - the field name
        Returns:

        the value of the field on the instance

      • setField

         final static Unit setField(Object instance, String fieldName, Object fieldNewValue)

        Reflectively set the value of a field.

        Parameters:
        instance - the target instance.
        fieldName - the field name.
        fieldNewValue - the new value of field.

      • setField

         final static Unit setField(Class<?> type, Object instance, String fieldName, Object fieldNewValue)

        Reflectively set the value of a field.

        Parameters:
        type - the target type.
        instance - the target instance.
        fieldName - the field name.
        fieldNewValue - the new value of field.

      • getStaticField

         final static <R extends Any> R getStaticField(Field field)

        Reflectively get the value of a static field.

        Parameters:
        field - the field instance.
        Returns:

        the value of the field.

      • getStaticField

         final static <R extends Any> R getStaticField(Class<?> clazz, String fieldName)

        Reflectively get the value of a static field.

        Parameters:
        clazz - the target class.
        fieldName - the field name.
        Returns:

        the value of the field.

      • setStaticField

         final static Unit setStaticField(Field field, Object fieldNewValue)

        Reflectively set the value of a static field.

        Parameters:
        field - the field instance.
        fieldNewValue - the new value.

      • setStaticField

         final static Unit setStaticField(Class<?> clazz, String fieldName, Object fieldNewValue)

        Reflectively set the value of a static field.

        Parameters:
        clazz - the target class.
        fieldName - the field name.
        fieldNewValue - the new value of field.

      • callInstanceMethod

         final static <R extends Any> R callInstanceMethod(Object instance, String methodName, ReflectionUtils.ClassParameter<?> classParameters)

        Reflectively call an instance method on an object.

        Parameters:
        instance - the target instance.
        methodName - the method name to call.
        classParameters - the array of parameter types and values.
        Returns:

        the return value of the method

      • callInstanceMethod

         final static <R extends Any> R callInstanceMethod(Class<?> clazz, Object instance, String methodName, ReflectionUtils.ClassParameter<?> classParameters)

        Reflectively call an instance method on an instance on a specific class.

        Parameters:
        clazz - the class.
        instance - the target instance.
        methodName - the method name to call.
        classParameters - the array of parameter types and values.
        Returns:

        the return value of the method.

      • callStaticMethod

         final static <R extends Any> R callStaticMethod(String fullyQualifiedClassName, String methodName, ReflectionUtils.ClassParameter<?> classParameters)

        Helper method for calling a static method using a class.

        Parameters:
        fullyQualifiedClassName - the fully qualified class name.
        methodName - the method name to call.
        classParameters - the array of parameter types and values.
        Returns:

        the return value of the method.

      • callStaticMethod

         final static <R extends Any> R callStaticMethod(Class<?> clazz, String methodName, ReflectionUtils.ClassParameter<?> classParameters)

        Reflectively call a static method on a class.

        Parameters:
        clazz - the target class.
        methodName - the method name to call.
        classParameters - the array of parameter types and values.
        Returns:

        the return value of the method.

      • loadClass

         final static Class<?> loadClass(String fullyQualifiedClassName)

        Try to load a class via reflection.

        Parameters:
        fullyQualifiedClassName - the full class name.
        Returns:

        a Class if it's available, or throw Exception

      • loadClass

         final static <T extends Any> Class<out T> loadClass(String fullyQualifiedClassName, Class<T> superClazz)

        Try to load a class via reflection.

        Parameters:
        fullyQualifiedClassName - the full class name.
        superClazz - the class of the type to cast this class object to.
        Returns:

        this Class object, cast to represent a subclass of the specified class object.

      • isClassAvailable

         final static Boolean isClassAvailable(String fullyQualifiedClassName)

        Determines if a named class can be loaded or not.

        Parameters:
        fullyQualifiedClassName - the fully qualified name of the class.
        Returns:

        true if class is available, false otherwise.

      • isClassAvailable

         final static <T extends Any> Boolean isClassAvailable(String fullyQualifiedClassName, Class<T> superClazz)

        Determines if a named Class can be loaded or not.

        Parameters:
        fullyQualifiedClassName - the fully qualified name of the class.
        superClazz - the class of the type to cast this class object to.
        Returns:

        true if class is available, false otherwise.