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/*
 * Copyright (c) 2017, 2020, Oracle and/or its affiliates.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, version 2.0, as published by the
 * Free Software Foundation.
 *
 * This program is also distributed with certain software (including but not
 * limited to OpenSSL) that is licensed under separate terms, as designated in a
 * particular file or component or in included license documentation. The
 * authors of MySQL hereby grant you an additional permission to link the
 * program and your derivative works with the separately licensed software that
 * they have included with MySQL.
 *
 * Without limiting anything contained in the foregoing, this file, which is
 * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
 * version 1.0, a copy of which can be found at
 * http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * 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, version 2.0,
 * 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 St, Fifth Floor, Boston, MA 02110-1301  USA
 */

package com.mysql.cj.exceptions;

import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import java.util.stream.Collectors;

import com.mysql.cj.log.Log;
import com.mysql.cj.util.Util;

public class ExceptionInterceptorChain implements ExceptionInterceptor {
    List interceptors;

    public ExceptionInterceptorChain(String interceptorClasses, Properties props, Log log) {
        this.interceptors = Util. loadClasses(interceptorClasses, "Connection.BadExceptionInterceptor", this).stream()
                .map(o -> o.init(props, log)).collect(Collectors.toList());
    }

    public void addRingZero(ExceptionInterceptor interceptor) {
        this.interceptors.add(0, interceptor);
    }

    public Exception interceptException(Exception sqlEx) {
        if (this.interceptors != null) {
            Iterator iter = this.interceptors.iterator();

            while (iter.hasNext()) {
                sqlEx = iter.next().interceptException(sqlEx);
            }
        }

        return sqlEx;
    }

    public void destroy() {
        if (this.interceptors != null) {
            Iterator iter = this.interceptors.iterator();

            while (iter.hasNext()) {
                iter.next().destroy();
            }
        }

    }

    public ExceptionInterceptor init(Properties properties, Log log) {
        if (this.interceptors != null) {
            Iterator iter = this.interceptors.iterator();

            while (iter.hasNext()) {
                iter.next().init(properties, log);
            }
        }
        return this;
    }

    public List getInterceptors() {
        return this.interceptors;
    }

}