InvalidAttemptKey.java

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 * JBoss, a division of Red Hat                                               *
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 * copyright.txt in the distribution for a full listing of                    *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU           *
 * Lesser General Public License for more details.                            *
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package org.exoplatform.web.security.errorlogin;

import org.exoplatform.commons.utils.Safe;

/**
 * @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
 * @version $Revision$
 */
class InvalidAttemptKey {
    private final String sessionId;
    private final String username;
    private final String hostname;

    private InvalidAttemptKey(String sessionId, String username, String hostname) {
        this.sessionId = sessionId;
        this.username = username;
        this.hostname = hostname;
    }

    public static InvalidAttemptKey createKey(InvalidLoginPolicy policy, String sessionId, String username, String hostname) {
        switch (policy) {
            case SESSION:
                return new InvalidAttemptKey(sessionId, null, null);

            case SESSION_AND_USER:
                return new InvalidAttemptKey(sessionId, username, null);

            case SERVER:
                return new InvalidAttemptKey(null, null, hostname);

            default:
                throw new IllegalArgumentException("Non-expected value of InvalidLoginPolicy.");
        }
    }

    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (obj instanceof InvalidAttemptKey) {
            InvalidAttemptKey that = (InvalidAttemptKey) obj;
            return Safe.equals(sessionId, that.sessionId) && Safe.equals(username, that.username)
                    && Safe.equals(hostname, that.hostname);
        }
        return false;
    }

    public int hashCode() {
        int result = 1234567;
        if (sessionId != null) {
            result = sessionId.hashCode();
        }
        if (username != null) {
            result = result ^ username.hashCode();
        }
        if (hostname != null) {
            result = result ^ hostname.hashCode();
        }
        return result;
    }

}