ramesh-lingappan

/**
	 * @param key - client secret key
	 * @param data - can be any data (eg: http request or response payload)
	 * @return
	 */
public static String calculateHmacSHA1(String key, byte[] data) {

		if (key == null || data == null || data.length <= 0)
			return null;
		String HMAC_SHA1_ALGORITHM = "HmacSHA1";

ramesh-lingappan

group 'com.rameshl.demos'
version '1.0-SNAPSHOT'

apply plugin: 'java'
apply plugin: 'war'
apply plugin: 'appengine'

sourceCompatibility = 1.7

repositories {

ramesh-lingappan

<?xml version="1.0" encoding="utf-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://java.sun.com/xml/ns/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         version="2.5">
    <servlet>
        <servlet-name>hello</servlet-name>
        <servlet-class>com.rameshl.demos.helloworld.HelloWorldServlet</servlet-class>
    </servlet>
    <servlet-mapping>

ramesh-lingappan

<appengine-web-app xmlns="http://appengine.google.com/ns/1.0">
    <application>YOUR-PROJECT-ID</application>
    <version>YOUR-VERSION-ID</version>
    <threadsafe>true</threadsafe>
</appengine-web-app>

ramesh-lingappan

ext {
    //used libraries versions
    libVersions =
            [
                    servletApi        : '3.1.0',
                    junit             : '4.12',
                    gae               : '1.9.54',
                    googleGradlePlugin: '1.3.2',
            ]

ramesh-lingappan

// dependencies version and config definitions
apply from: 'gradle/dependencies.gradle'

// project configurations
allprojects {
    group 'com.rameshl.demos'
    version '1.0'
}

subprojects {

ramesh-lingappan

group 'com.rameshl.demos'
version '1.0'

repositories {
    mavenCentral()
}

dependencies {

    compileOnly libs.servletApi

ramesh-lingappan

group 'com.rameshl.demos'
version '1.0'

buildscript {
    repositories {
        jcenter()
        mavenCentral()
    }
    dependencies {
        // latest App Engine Gradle tasks

ramesh-lingappan

package com.rameshl.demo.servlets;

import com.rameshl.demos.service.GreetingService;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

ramesh-lingappan

public enum AppMode {
    // different types of environment
    DEV, STAGING, LIVE;
}