package zti;

import java.security.Principal;

public class MyPrincipal implements Principal {
	  private final String name;

	  public MyPrincipal(String name) {
	    if(name == null) {
	      throw new IllegalArgumentException("name cannot be null!");
	    }
	    this.name = name;
	  }

	  public String getName() {
	    return name;
	  }

	  public String toString() {
	    return "Principal with name: "+name;
	  }

	  public boolean equals(Object obj) {
	    if(obj == null) return false;
	    if(obj == this) return true;
	    if(!(obj instanceof MyPrincipal)) return false;
	    MyPrincipal another = (MyPrincipal) obj;
	    return name.equals(another.getName());
	  }

	  public int hashCode() {
	    return name.hashCode();
	  }
	}