/*
 * Copyright (c) 2014 EMC Corporation
 * All Rights Reserved
 */

package com.emc.storageos.customconfigcontroller;

import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.List;

public class CustomConfigMethod implements Serializable {
    private String name;
    private String description;
    private String methodName;
    private List<String> parameterTypes;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public String getMethodName() {
        return methodName;
    }

    public void setMethodName(String methodName) {
        this.methodName = methodName;
    }

    public List<String> getParameterTypes() {
        return parameterTypes;
    }

    public void setParameterTypes(List<String> parameterTypes) {
        this.parameterTypes = parameterTypes;
    }

    public Class[] getMethodParams() throws ClassNotFoundException {
        if (parameterTypes == null) {
            return new Class[] {};
        } else {
            Class[] methodParams = new Class[parameterTypes.size()];
            for (int i = 0; i < parameterTypes.size(); i++) {
                String className = parameterTypes.get(i);
                Class clazz = null;
                if (className.equals("int")) {
                    clazz = int.class;
                } else {
                    clazz = Class.forName(className);
                }
                methodParams[i] = clazz;
            }

            return methodParams;
        }
    }

    public String invoke(String str, List<String> args) throws Exception {
        Method stringMethod = String.class.getDeclaredMethod(getMethodName(),
                getMethodParams());
        return (String) stringMethod.invoke(str, args.toArray());
    }
}