sos.util.SOSExceptionMessage.java Source code

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/**
 * Copyright (C) 2014 BigLoupe http://bigloupe.github.io/SoS-JobScheduler/
 *
 * Licensed under the Apache License, Version 2.0 (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.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
 */
/********************************************************* begin of preamble
**
** Copyright (C) 2003-2012 Software- und Organisations-Service GmbH. 
** All rights reserved.
**
** This file may be used under the terms of either the 
**
**   GNU General Public License version 2.0 (GPL)
**
**   as published by the Free Software Foundation
**   http://www.gnu.org/licenses/gpl-2.0.txt and appearing in the file
**   LICENSE.GPL included in the packaging of this file. 
**
** or the
**  
**   Agreement for Purchase and Licensing
**
**   as offered by Software- und Organisations-Service GmbH
**   in the respective terms of supply that ship with this file.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
** IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
** THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
** BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
** POSSIBILITY OF SUCH DAMAGE.
********************************************************** end of preamble*/
package sos.util;

import java.lang.Throwable;
import java.sql.SQLException;

/**
 * SOSExceptionHandler.java
 * 
 * Diese Klasse fat eine Fehlermeldung/Exception in String um. 
 * Bercksichtigt werden insbesondere die Verschachtelte Exceptions, wie
 * z.B. org.apache.commons.dbcp.SQLNestedException. Die org.apache.commons.dbcp.SQLNestedException
 * werden iteriert und zu einem String zusammengefat. 
 * 
 * @author Mrvet ksz
 *
 * @version 1.0
 * 
 */
public class SOSExceptionMessage extends Throwable {

    /**
     * 
     * 
     * @param exception
     * @return
     */
    public static String getExceptionMessage(Exception exception) {
        String msg = "";

        try {

            if (exception instanceof SQLException) {
                //|| exception instanceof javax.mail.MessagingException) {

                SQLException sqlExcep = (SQLException) exception;
                while (sqlExcep != null) {

                    if (sqlExcep.equals(sqlExcep.getNextException())) {
                        break;
                    }

                    msg = sqlExcep.toString();
                    if (sqlExcep.getCause() != null) {
                        msg = msg + "\n" + sqlExcep.getCause();
                    }
                    sqlExcep = sqlExcep.getNextException();

                }

            } else {
                msg = exception.toString();
                if (exception.getCause() != null) {
                    msg = exception.toString() + " " + exception.getCause();
                }

            }
        } catch (Exception e) {
            System.out.print(e);
        }
        return msg;
    }

    /**
     * Testprogramm
     * 
     * Zum Testen der Klasse SOSExceptionMessage werden
     * Fehlermeldungen generiert. 
     * 
     * test = 0 -> NullPointerException
     * test = 1 -> division by 0 
     * 
     * @param args
     */
    public static void main(String[] args) {

        String s = null;
        int i = 0;
        int test = 0;
        try {

            if (test == 0) {
                boolean w = s.equals("a");
            } else if (test == 1) {
                i = 1 / 0;
            }

        } catch (Exception e) {
            String a = getExceptionMessage(e);
            System.out.print("..error: " + a);
        }
    }
}