/*
 * ============LICENSE_START==========================================
 * ONAP Portal SDK
 * ===================================================================
 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * ===================================================================
 *
 * Unless otherwise specified, all software contained herein is licensed
 * under the Apache License, Version 2.0 (the "License");
 * you may not use this software except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Unless otherwise specified, all documentation contained herein is licensed
 * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
 * you may not use this documentation except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             https://creativecommons.org/licenses/by/4.0/
 *
 * Unless required by applicable law or agreed to in writing, documentation
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ============LICENSE_END============================================
 *
 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 */
package org.onap.portalsdk.core.util;

import org.apache.commons.lang.StringUtils;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.owasp.esapi.codecs.Codec;
import org.owasp.esapi.codecs.MySQLCodec;
import org.owasp.esapi.codecs.MySQLCodec.Mode;
import org.owasp.esapi.codecs.OracleCodec;

public class SecurityCodecUtil {

	private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(SecurityCodecUtil.class);

	private static final String MYSQL_DB = "mysql";
	private static final String ORACLE_DB = "oracle";
	private static final String MARIA_DB = "mariadb";
	private static Codec instance = null;

	public static Codec getCodec() {
		try {
			if (null == instance) {
				if (StringUtils.containsIgnoreCase(SystemProperties.getProperty(SystemProperties.DB_DRIVER), MYSQL_DB)
						|| StringUtils.containsIgnoreCase(SystemProperties.getProperty(SystemProperties.DB_DRIVER),
								MARIA_DB)) {
					instance = new MySQLCodec(Mode.STANDARD);

				} else if (StringUtils.containsIgnoreCase(SystemProperties.getProperty(SystemProperties.DB_DRIVER),
						ORACLE_DB)) {
					instance = new OracleCodec();
				}
			}

		} catch (Exception ex) {
			logger.error(EELFLoggerDelegate.errorLogger, "getCodec() failed", ex);
		}
		return instance;

	}
}