/*
 *
 * Copyright (c) 2013 - 2017 Lijun Liao
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 *
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * THE AUTHOR LIJUN LIAO. LIJUN LIAO DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the XiPKI software without
 * disclosing the source code of your own applications.
 *
 * For more information, please contact Lijun Liao at this
 * address: lijun.liao@gmail.com
 */

package org.xipki.pki.ca.api;

/**
 * @author Lijun Liao
 * @since 2.0.0
 */

public class OperationException extends Exception {

    public enum ErrorCode {

        ALREADY_ISSUED,
        BAD_CERT_TEMPLATE,
        BAD_REQUEST,
        BAD_POP,
        CERT_REVOKED,
        CERT_UNREVOKED,
        CRL_FAILURE,
        DATABASE_FAILURE,
        INVALID_EXTENSION,
        NOT_PERMITTED,
        SYSTEM_FAILURE,
        SYSTEM_UNAVAILABLE,
        UNKNOWN_CERT,
        UNKNOWN_CERT_PROFILE

    } // enum ErrorCode

    private static final long serialVersionUID = 1L;

    private final ErrorCode errorCode;

    private final String errorMessage;

    public OperationException(final ErrorCode errorCode) {
        super(String.format("error code: %s", errorCode));
        this.errorCode = errorCode;
        this.errorMessage = null;
    }

    public OperationException(final ErrorCode errorCode, final String errorMessage) {
        super(String.format("error code: %s, error message: %s", errorCode, errorMessage));
        this.errorCode = errorCode;
        this.errorMessage = errorMessage;
    }

    public OperationException(final ErrorCode errorCode, final Throwable throwable) {
        this(errorCode, getMessage(throwable));
    }

    public ErrorCode getErrorCode() {
        return errorCode;
    }

    public String getErrorMessage() {
        return errorMessage;
    }

    private static final String getMessage(final Throwable throwable) {
        if (throwable == null) {
            return null;
        }

        StringBuilder sb = new StringBuilder();
        sb.append(throwable.getClass().getSimpleName());
        String msg = throwable.getMessage();
        if (msg != null) {
            sb.append(": ").append(msg);
        }
        return sb.toString();
    }

}