Android Open Source - PasswordGen-LibGDX Generate Password

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From Project

Back to project page PasswordGen-LibGDX.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.mygdx.generation;
/*from ww w. java 2s  .  c o m*/
import java.util.ArrayList;
import java.util.Random;

public class GeneratePassword {
  
  private PasswordCharacters characters;
  private ArrayList<Character> password = new ArrayList<Character>();
  private Random randCharacterSelection;
  
  public GeneratePassword(){
    characters = new PasswordCharacters();
    randCharacterSelection = new Random();
  }
  
  public StringBuilder setPassword(){
    
    StringBuilder sb = new StringBuilder();
    
    for(int i=0; i < password.size(); i++){
      sb.append(password.get(i));
    }
    return sb;
  }
  
  
  public void createPassword(boolean lowercase, boolean uppercase, boolean specialChars, boolean numbers, int length) {
    int counter = 0;
    
    while(!(counter == length)){
      
      Random id = new Random();
      
      int randomChar = id.nextInt(4);
      
      if(lowercase && randomChar == 0){
        int randomCharacter = randCharacterSelection.nextInt(characters.lowerCaseCharacters.length);
        password.add(characters.lowerCaseCharacters[randomCharacter]);
        counter++;
      }
      
      if(uppercase && randomChar == 1){
        int randomCharacter = randCharacterSelection.nextInt(characters.upperCaseCharacters.length);
        password.add(characters.upperCaseCharacters[randomCharacter]);
        counter++;
      }
      
      if(specialChars && randomChar == 2){
        int randomCharacter = randCharacterSelection.nextInt(characters.specialCharacters.length);
        password.add(characters.specialCharacters[randomCharacter]);
        counter++;
      }
      
      if(numbers && randomChar == 3){
        int randomCharacter = randCharacterSelection.nextInt(characters.numberCharacters.length);
        password.add(characters.numberCharacters[randomCharacter]);
        counter++;
      }
      
      
      if(!numbers && !specialChars && !lowercase && !uppercase){
        counter = length;
      }
    }
  }

  public void resetPassword() {
    password.clear();
  }
  
}

Java Source Code List

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