## Summary

Below are the List of Features available in Code

1. Reading payload from JSON File and using it as mocked Response
2. Object creation from JSON File
---

## Things Newly Implemented

1. JSON Payload files are found in src/test/resources/json-data
2. In the Code Converstion to Employee Object after reading Employee JSON and Stringify of JSON Object are both done  
3. MockMvc Testing is implemented for Controllers	
	- For AddEmployee Endpoint - Request from JSON file, Response from mocked response  
	- For GetEmployee Endpoint - Request by URL, Response from mocked Employee object constructed from JSON File
	- For GetAllEmployees Endpoint - Request by URL, Response from method returning Employee Object
	- For DeleteEmployee Endpoint - Request by URL, Response from mocked method	 	  
---

## Changes in pom.xml 
```xml
<build>
    <testResources>
        <testResource>
            <directory>${project.basedir}/src/test/resources</directory>
        </testResource>			
    </testResources>
    .
    .
    .
</build>
```
---

# API endpoints
## GET
`Get All Employees Detail` [/empmgmt/employees](#getallemployee) <br/>
`Get Employee Details` [/empmgmt/employees/{empId}](#getemployeesempid) <br/>

## POST
`Add Employee Details` [/empmgmt/employees](#addemployee) <br/>

## DELETE
`Delete EmpDetails` [/empmgmt/employees/{empId}](#deleteemployee) <br/>
___

<a name="getemployeesempid"></a>
### GET /empmgmt/employees/{empId}
Get Employee Detail

**Parameters**

|          Name | Required |  Type   | Description                                                                                                                                                           |
| -------------:|:--------:|:-------:| --------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
|     `empId` | required | string  | Employee Id

**Response**

```
// Employee Details added Succesfully
[
    {
        "empID": 1,
        "empName": "Mugil",
        "empAge": "36"
    }
]
```
___

<a name="getallemployee"></a>
### GET /empmgmt/employees

**Response**
```
// Employee Details added Succesfully
[
    {
        "empID": 1,
        "empName": "Mugil",
        "empAge": "36"
    }
]
```
___

<a name="addemployee"></a>
### POST /empmgmt/employees
Add Employee Details

**Parameters**

|          Name | Required |  Type   | Description                                                                                                                                                           |
| -------------:|:--------:|:-------:| --------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
|     `empName` | required | string  | Name of Employee
|     `empAge` | required | string  | Age of Employee

**Request**
```
// Employee Details 
{
    "empName" : "Mugil",
    "empAge" : "36"
}
```


**Response**

```
// Employee Details added Succesfully
[
    {
        "empID": 1,
        "empName": "Mugil",
        "empAge": "36"
    }
]
```
___

<a name="deleteemployee"></a>
### DELETE /empmgmt/employees/{empId}

**Parameters**

|          Name | Required |  Type   | Description                                                                                                                                                           |
| -------------:|:--------:|:-------:| --------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
|     `empId` | required | string  | Employee Id


**Response**

```
Employee Deleted Successfully
```
___



## Note

* While reading file from resources folder I continously got error telling the file doesnot exists. 
  The Same problem is faced while working in office project. After adding above lines in pom.xml it started 
  working. It kept working, even after removing above lines
* The URL returned in _Link in add employee wont have a port number. The test keeps failing if you copy and paste
  URL from postman and try to asset the _links in mockMVC

___    

Copy paste the code in URL to see in action : https://markdownlivepreview.com/

Readme file screen shot for above code

The below batch script helps to read the selected trailing lines from Log File

@echo off
cls
setlocal EnableDelayedExpansion
set "cmd=findstr /R /N "^^" C:\Users\Mugil\Desktop\test.txt | find /C ":""

for /f %%a in ('!cmd!') do set totalLines=%%a
rem echo "totalLines-"%totalLines%


@set linesToConsider=4
set /a lineToStart="%totalLines%-%linesToConsider%" 

rem echo "lineToStart-"%lineToStart%

set content=
for /f "skip=%lineToStart% delims=" %%i in ('type C:\Users\Mugil\Desktop\test.txt') do set content=!content! %%i


@echo "content - "%content%


If NOT "%content%"=="%content:SUCCESS=%" (
    echo Build Successful
) else (
    echo Build Failed
)

pause

1.Compile the Files which should be added.

javac Test.java

Incase you are working in eclipse the same thing can be seen under the bin directory in the Navigator tab.you need to navigate to the folder to access the class files.

2.Manifest.txt
Incase if you are going to run the jar file the main class which should be called should be added to JAR file as meta-data through META-DATA/MANIFEST.There should be a Carriage Return Empty line in Manifest.txt to get read properly

Manifest.txt

Main-Class: com.mugil.util.Test

3.Create JAR file using the Below command

jar cfm Test.jar manifest.txt com/mugil/util/*

The Above command should be executed from bin directory in our case

* specifies the list of all files in that folder

4.To Run this JAR file

 java -jar Test.jar

When you run the Created Jar file it should be exactly placed in the folder from where the com folder starts.

jar cfm Test.jar manifest.txt com/mugil/util/*

The letters “m” and “f” must appear in the same order that “manifest” and “jarfile” appear.

It is a metadata file that contains name-value pairs organized in different sections.

If a JAR file is intended to be used as an executable file, the manifest file specifies the main class of the application. The manifest file is named MANIFEST.MF

Other uses are:

1. store hashes of stored files for signature validation
2. sealing jar files (i.e. ensure that only classes from this jar file are loaded in the packages defined in this jar file).
3. store version/product/producer information to be readable at runtime

The Main class to be called once the JAR is executed is defined as below

If an application is bundled in a JAR file, the Java Virtual Machine needs to be told what the entry point to the application is. An entry point is any class with a public static void main(String[] args) method

Manifest-Version: 1.0
Main-Class: com.mugil.util.Test