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Jar to include in your custom framework which contains excel utilities, main controller, call application, random generation and utilities for selenium operations

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package org.framework.utils;

import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import com.google.common.base.CharMatcher;

import java.util.LinkedList;
import java.util.List;
import java.util.Locale;

/**
 * Created by hemanthsridhar on 10/3/16.
 */
import java.util.Random;

import org.apache.commons.lang3.RandomStringUtils;


public class RandomGenerator {
	


    public  String random(Integer length, PermittedCharacters permittedCharacters) {
        String randomString = null;
        if (PermittedCharacters.ALPHABETS.equals(permittedCharacters)) {
            randomString = randomString(length);
        } else if (PermittedCharacters.NUMERIC.equals(permittedCharacters)) {
            randomString = randomInteger(length);
        } else if (PermittedCharacters.ALPHANUMERIC.equals(permittedCharacters)) {
            randomString = randomAlphanumeric(length);
        } else if (PermittedCharacters.ANY_CHARACTERS.equals(permittedCharacters)) {
            randomString = randomAsciiCharacters(length);
        } else if (PermittedCharacters.ANY_CHARACTERS_SUPPORTS_MULTILINGUAL.equals(permittedCharacters)) {
            randomString = randomAsciiCharacters(length);
        }
        return randomString;
    }

   
    private  String randomInteger(Integer length) {
        return RandomStringUtils.randomNumeric(length);
    }

    
    private  String randomString(Integer length) {
        return RandomStringUtils.random(length, true, false);
    }

    private  String randomAlphanumeric(Integer length) {
        return RandomStringUtils.randomAlphanumeric(length);
    }

   
    public  String randomAlphabetic(Integer length) {
        return RandomStringUtils.randomAlphabetic(length);
    }

  
    public  String randomEmailAddress(Integer length,String emailDomain) {
        String email = randomAlphanumeric(length) + emailDomain;
        return email.toLowerCase();
    }



    public  String randomPlusOrMinus() {
        List item = new LinkedList<>();
        item.add("-");
        item.add("+");

        Random rand = new Random();
        int choice = rand.nextInt(item.size());
        return item.get(choice);
    }


    public  DateTime randomDOB() {
        DateTime dateTime = new DateTime();
        dateTime = dateTime.minusYears((int) (18 + (Math.random() * ((50 - 18) + 1))));
        return dateTime.minusYears((int) (18 + (Math.random() * ((50 - 18) + 1))));
    }

    public  String formatDate(DateTime dateTime, String dateformat) {
        DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern(dateformat);
        return dateTime.toString(dateTimeFormatter);
    }

    public  DateTimeFormatter dateFormatterWithLocale(Locale locale) {
        return DateTimeFormat.mediumDate().withLocale(locale);
    }

    public  String dateWithNoLeadingZero(String dateWithLeadingZero) {
        String dateWithNoLeadingZero;
        dateWithNoLeadingZero = CharMatcher.is('0').trimLeadingFrom(dateWithLeadingZero);
        return dateWithNoLeadingZero;
    }

    public  String randomFutureFormattedDate(String dateformat) {
        DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern(dateformat);
        DateTime dateTime = new DateTime();
        final DateTime plusYears = dateTime.plusYears((int) (1 + Math.random() * (10 - 1)));
        return plusYears.toString(dateTimeFormatter);
    }

    private  String randomAsciiCharacters(Integer characterAmount) {
        return RandomStringUtils.random(characterAmount, 32, 127, false, false);
    }
}