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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cms.shares;

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;

import com.netscape.certsrv.kra.IJoinShares;

/**
 * Use Java's reflection API to leverage CMS's
 * old Share and JoinShares implementations.
 *
 * @deprecated
 * @version $Revision$ $Date$
 */
public class OldJoinShares implements IJoinShares {

    public Object mOldImpl = null;

    public OldJoinShares()
    {
    }

    public void initialize(int threshold) throws Exception
    {
      Class c = Class.forName("com.netscape.cmscore.shares.JoinShares");
      Class types[] = { int.class };
      Constructor con = c.getConstructor(types);
      Object params[] = {Integer.valueOf(threshold)};
      mOldImpl = con.newInstance(params);
    }

    public void addShare(int shareNum, byte[] share)
    {
      try {
        Class types[] = { int.class, share.getClass() };
        Class c = mOldImpl.getClass();
        Method method = c.getMethod("addShare", types);
        Object params[] = {Integer.valueOf(shareNum), share};
        method.invoke(mOldImpl, params);
      } catch (Exception e) {
      }
    }

    public int getShareCount()
    {
      if (mOldImpl == null)
        return -1;
      try {
        Class types[] = null;
        Class c = mOldImpl.getClass();
        Method method = c.getMethod("getShareCount", types);
        Object params[] = null;
        Integer result = (Integer)method.invoke(mOldImpl, params);
        return result.intValue();
      } catch (Exception e) {
        return -1;
      }
    }

    public byte[] recoverSecret()
    {
      if (mOldImpl == null)
        return null;
      try {
        Class types[] = null;
        Class c = mOldImpl.getClass();
        Method method = c.getMethod("recoverSecret", types);
        Object params[] = null;
        return (byte[])method.invoke(mOldImpl, params);
      } catch (Exception e) {
        return null;
      }
    }
}