/*

 * Copyright 2002-2005 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package com.sun.jndi.ldap;

import java.util.Arrays; // JDK 1.2

import java.util.Hashtable;

import java.io.OutputStream;

import javax.naming.ldap.Control;

/**

 * Extends SimpleClientId to add property values specific for Digest-MD5.

 * This includes:

 * realm, authzid, qop, strength, maxbuffer, mutual-auth, reuse,

 * all policy-related selection properties.

 * Two DigestClientIds are identical iff they pass the SimpleClientId

 * equals() test and that all of these property values are the same.

 *

 * @author Rosanna Lee

 */

class DigestClientId extends SimpleClientId {

    private static final String[] SASL_PROPS = {

        "java.naming.security.sasl.authorizationId",

        "java.naming.security.sasl.realm",

        "javax.security.sasl.qop",

        "javax.security.sasl.strength",

        "javax.security.sasl.reuse",

        "javax.security.sasl.server.authentication",

        "javax.security.sasl.maxbuffer",

        "javax.security.sasl.policy.noplaintext",

        "javax.security.sasl.policy.noactive",

        "javax.security.sasl.policy.nodictionary",

        "javax.security.sasl.policy.noanonymous",

        "javax.security.sasl.policy.forward",

        "javax.security.sasl.policy.credentials",

    };

    final private String[] propvals;

    final private int myHash;

    private int pHash = 0;

    DigestClientId(int version, String hostname, int port,

        String protocol, Control[] bindCtls, OutputStream trace,

        String socketFactory, String username,

        Object passwd, Hashtable env) {

        super(version, hostname, port, protocol, bindCtls, trace,

            socketFactory, username, passwd);

        if (env == null) {

            propvals = null;

        } else {

            // Could be smarter and apply default values for props

            // but for now, we just record and check exact matches

            propvals = new String[SASL_PROPS.length];

            for (int i = 0; i < SASL_PROPS.length; i++) {

                propvals[i] = (String) env.get(SASL_PROPS[i]);

                if (propvals[i] != null) {

                    pHash = pHash * 31 + propvals[i].hashCode();

                }

            }

        }

        myHash = super.hashCode() + pHash;

    }

    public boolean equals(Object obj) {

        if (!(obj instanceof DigestClientId)) {

            return false;

        }

        DigestClientId other = (DigestClientId)obj;

        return myHash == other.myHash

            && pHash == other.pHash

            && super.equals(obj)

            && Arrays.equals(propvals, other.propvals);

    }

    public int hashCode() {

        return myHash;

    }

    public String toString() {

        if (propvals != null) {

            StringBuffer buf = new StringBuffer();

            for (int i = 0; i < propvals.length; i++) {

                buf.append(':');

                if (propvals[i] != null) {

                    buf.append(propvals[i]);

                }

            }

            return super.toString() + buf.toString();

        } else {

            return super.toString();

        }

    }

}