com.javonet.utils.HandlerUtils Maven / Gradle / Ivy

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package com.javonet.utils;

import org.jetbrains.annotations.NotNull;

import java.util.Arrays;

public class HandlerUtils {

    //This method is uboxing to primitive types
    @NotNull
    public static Class[] getArgumentTypes(Object[] arguments) {
        Object[] argumentTypesObject = Arrays.stream(arguments).map(Object::getClass).toArray();
        Class[] argumentTypes = new Class[argumentTypesObject.length];
        for (int i = 0; i < argumentTypesObject.length; i++) {
            Class classType = (Class) argumentTypesObject[i];
            switch (classType.getName()) {
                case "java.lang.Integer":
                    argumentTypes[i] = int.class;
                    break;
                case "java.lang.Double":
                    argumentTypes[i] = double.class;
                    break;
                case "java.lang.Float":
                    argumentTypes[i] = float.class;
                    break;
                case "java.lang.Short":
                    argumentTypes[i] = short.class;
                    break;
                case "java.lang.Long":
                    argumentTypes[i] = long.class;
                    break;
                case "java.lang.Boolean":
                    argumentTypes[i] = boolean.class;
                    break;
                case "java.lang.Byte":
                    argumentTypes[i] = byte.class;
                    break;
                case "java.lang.Character":
                    argumentTypes[i] = char.class;
                    break;
                default:
                    argumentTypes[i] = classType;
                    break;
            }
        }
        return argumentTypes;
    }
}