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/***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Common Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/cpl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2006 Ola Bini 
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the CPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the CPL, the GPL or the LGPL.
 ***** END LICENSE BLOCK *****/
package org.jruby.ext.openssl;

import java.io.Reader;
import java.io.Writer;

import org.bouncycastle.openssl.PEMReader;
import org.bouncycastle.openssl.PEMWriter;
import org.bouncycastle.openssl.PasswordFinder;

/**
 * @author Ola Bini
 */
public class BouncyCastlePEMHandler implements PEMHandler {
    public Object readPEM(Reader read, String password) throws Exception {
        return new PEMReader(read,new BasicPasswordFinder(password)).readObject();
    }

    public void writePEM(Writer writ, Object obj, String algorithm, char[] password) throws Exception {
        PEMWriter p = new PEMWriter(writ);
        p.writeObject(obj,algorithm,password,null);
        p.flush();
    }

    public void writePEM(Writer writ, Object obj) throws Exception {
        PEMWriter p = new PEMWriter(writ);
        p.writeObject(obj);
        p.flush();
    }

    private static class BasicPasswordFinder implements PasswordFinder {
        private char[] pwd;
        BasicPasswordFinder(String pwd) {
            if(pwd != null) {
                this.pwd = pwd.toCharArray();
            }
        }

        public char[] getPassword() {
            return pwd;
        }
    }
}// BouncyCastlePEMHandler