source: fedd/abac-src/rtml/src/edu/stanford/rt/credential/PublicKeyPrincipal.java @ 46e4682

package edu.stanford.rt.credential;
/**
 * @author Ninghui Li, Sandra Qiu<br>
 *
 * This class handles <code>Principal</code> element which consists of
 * ds:KeyValue. Instead of storing the key vlaue, we store the 
 * hashValue of the key value. The key value is stored in 
 * <code>PublicKeyPrincipalInfo</code>.
 */
public class PublicKeyPrincipal extends Principal
{
        /**
         * Hash value for the public key stored in this principal
         */
        private String hashValue;
        /** Contructor of PublicKeyPrincipal */
        public PublicKeyPrincipal(String hashValue)
        {
                this.hashValue = hashValue;
        }
        /* (non-Javadoc)
         * @see java.lang.Object#equals(Object)
         */
        public boolean equals(Object principal)
        {
                if (!(principal instanceof PublicKeyPrincipal))
                        return false;
                return this.hashCode() == principal.hashCode();
        }
        /* (non-Javadoc)
         * @see java.lang.Object#hashCode()
         */
        public int hashCode()
        {
                return hashValue.hashCode();
        }
    
        /* (non-Javadoc)
         * @see edu.stanford.rt.credential.PrincipalExpression#toString(String)
         */
    public String toString(String indent)
    {
        String thisIndent = indent + "  ";
        return thisIndent + "PublicKeyPrincipal: " + hashValue;
    }

    /** pretty printing for debugging */
    public String toString() { return hashValue; }
}