001    /*
002     * Cumulus4j - Securing your data in the cloud - http://cumulus4j.org
003     * Copyright (C) 2011 NightLabs Consulting GmbH
004     *
005     * This program is free software: you can redistribute it and/or modify
006     * it under the terms of the GNU Affero General Public License as
007     * published by the Free Software Foundation, either version 3 of the
008     * License, or (at your option) any later version.
009     *
010     * This program is distributed in the hope that it will be useful,
011     * but WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013     * GNU Affero General Public License for more details.
014     *
015     * You should have received a copy of the GNU Affero General Public License
016     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017     */
018    package org.cumulus4j.crypto.internal.asymmetric.keypairgenerator;
019    
020    import org.cumulus4j.crypto.AsymmetricCipherKeyPairGeneratorFactory;
021    
022    /**
023     * @author Marco หงุ่ยตระกูล-Schulze - marco at nightlabs dot de
024     */
025    public abstract class AbstractAsymmetricCipherKeyPairGeneratorFactory
026    implements AsymmetricCipherKeyPairGeneratorFactory
027    {
028            private String algorithmName;
029    
030            @Override
031            public String getAlgorithmName() {
032                    return algorithmName;
033            }
034    
035            @Override
036            public void setAlgorithmName(String algorithmName)
037            {
038                    if (this.algorithmName != null && !this.algorithmName.equals(algorithmName))
039                            throw new IllegalStateException("this.algorithmName is already assigned! Cannot modify!");
040    
041                    if (algorithmName == null)
042                            throw new IllegalArgumentException("algorithmName == null");
043    
044                    this.algorithmName = algorithmName;
045            }
046    }