simpleprincipal.java

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import java.security.*;

/**
   A principal with a named value (such as "role=HR" or "username=harry").
*/
public class SimplePrincipal implements Principal
{
   /**
      Constructs a SimplePrincipal to hold a description and a value.
      @param roleName the role name
   */
   public SimplePrincipal(String descr, String value) { this.descr = descr; this.value = value; }

   /**
      Returns the role name of this principal
      @return the role name
   */
   public String getName() { return descr + "=" + value; }

   public boolean equals(Object otherObject) 
   {
      if (this == otherObject) return true;
      if (otherObject == null) return false;
      if (getClass() != otherObject.getClass()) return false;
      SimplePrincipal other = (SimplePrincipal) otherObject;
      return getName().equals(other.getName());
   }
   public int hashCode() { return getName().hashCode(); }

   private String descr;
   private String value;
}