import java.util.regex.Pattern;
public class PasswordValidator {
public static void main(String[] args) {
String password1 = "deepak123";
String password2 = "Depak123!@#";
String password3 = "Deepak123";
String password4 = "Depak@123";
String password5 = "ddepak@123";
String password6 = "dePak@123";
String password7 = "monday123";
String password8 = "ad9164";
String password9 = "janduary123E$";
String password10 = "Dfdfdf@123";
String password11= "deepak1234";
String password12 = "depak123455";
System.out.println(validatePasswordCheck(password1));
System.out.println(validatePasswordCheck(password2));
System.out.println(validatePasswordCheck(password3));
System.out.println(validatePasswordCheck(password4));
System.out.println(validatePasswordCheck(password5));
System.out.println(validatePasswordCheck(password6));
System.out.println(validatePasswordCheck(password7));
System.out.println(validatePasswordCheck(password8));
System.out.println(validatePasswordCheck(password9));
System.out.println(validatePasswordCheck(password10));
System.out.println(validatePasswordCheck(password11));
System.out.println(validatePasswordCheck(password12));
}
public static boolean validatePasswordCheck(String pwd){
Pattern[] checks = {
Pattern.compile("[!@#\\$%^&*()~`\\-=_+\\[\\]{}|:\\\";',\\./<>?]"), //Checks Special Char ! @ # $ % ^ & * ( ) ~ ` - = _ + [ ] { } | : " ; ' , . / < > ?
Pattern.compile("\\d+"), //Checks Digits
Pattern.compile("[A-Z]+"), //Check Capital Letters
Pattern.compile("[a-z]+"), //Check Small Letters
Pattern.compile("^.{8,20}$") }; //Check Length from 8 to 20.
boolean ok = true;
for(Pattern c : checks) {
ok = ok && c.matcher(pwd).find();
}
if(ok==true){
if(!checkIfMonthNamesPresent(pwd) && !checkIfDayNamesPresent(pwd) && !IsNotSequentialChars(pwd)){
return true;
}
else return false;
}
else return false;
}
public static boolean checkIfMonthNamesPresent(String pwd) {
String[] sArr = {"january", "february", "march", "april", "may", "june", "july", "august", "september", "october", "november", "december"};
String temp = pwd.toLowerCase();
for(String x: sArr){
if(temp.contains(x)){
return true;
}
}
return false;
}
public static boolean checkIfDayNamesPresent(String pwd) {
String[] sArr = {"monday","tuesday","wednesday","thursday","friday","saturday","sunday"};
String temp = pwd.toLowerCase();
for(String x: sArr){
if(temp.contains(x)){
return true;
}
}
return false;
}
public static boolean IsNotSequentialChars(String pwd) {
char c[] = pwd.toCharArray();
int asciiCode = 0;
boolean isConSeq = false;
int previousAsciiCode = 0;
int numSeqcount = 0;
for (int i = 0; i < c.length; i++) {
asciiCode = c[i];
if(previousAsciiCode == asciiCode) {
//if((previousAsciiCode + 1) == asciiCode) { //For next consecutive incremental value
numSeqcount++;
if(numSeqcount >= 1) {
isConSeq = true;
break;
}
} else {
numSeqcount = 0;
}
previousAsciiCode = asciiCode;
}
return isConSeq;
}
}
Tuesday, December 26, 2017
Password Validator in Java
Tuesday, December 19, 2017
Getting location using HTML5 in Browser
Getting location using HTML5 in Browser:
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Finding Me</title>
<script>
function getLocation()
{
// Check whether browser supports Geolocation API or not
if (navigator.geolocation) { // Supported
//navigator.geolocation.getCurrentPosition(getPosition);
navigator.geolocation.getCurrentPosition(getPosition, catchError);
} else { // Not supported
alert("Oop! This browser does not support HTML5 Geolocation.");
}
}
function getPosition(position)
{
document.getElementById("location").innerHTML =
"Latitude: " + position.coords.latitude + "<br>" +
"Longitude: " + position.coords.longitude + "<br>" +
"Altitude: " + position.coords.altitude + "<br>" +
"Timestamp: " + position.coords.timestamp;
}
function catchError(error) {
switch(error.code)
{
case error.TIMEOUT:
alert("The request to get user location has aborted as it has taken too long.");
break;
case error.POSITION_UNAVAILABLE:
alert("Location information is not available.");
break;
case error.PERMISSION_DENIED:
alert("Permission to share location information has been denied!");
break;
default:
alert("An unknown error occurred.");
}
}
</script>
</head>
<body>
<h1>Finding Me</h1>
<button onclick="getLocation()">Where am I?</button>
<p id="location"></p>
</body>
</html>
Reference: https://www.codeproject.com/Articles/1184757/HTML-Geolocation
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