ConnectorException.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it). 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
 * 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.openspcoop2.pdd.services.connector;

import java.io.IOException;

import org.openspcoop2.utils.Utilities;

/** 
 * Contiene la definizione di una eccezione lanciata dai NodeReceiver e NodeSender
 *
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */


public class ConnectorException extends Exception {

    /**
     * serialVersionUID
     */
    private static final long serialVersionUID = 1L;
    
    public ConnectorException() {
    }
    public ConnectorException(String msg) {
        super(msg);
    }
    
    public ConnectorException(Throwable cause) {
        super(cause);
    }

    public ConnectorException(String message, Throwable cause) {
        super(message, cause);
    }
    
    private String getInnerMessage(){
        try{
             if(Utilities.existsInnerException(this, java.net.SocketException.class)){
                 Throwable t = Utilities.getInnerException(this, java.net.SocketException.class);
                 if(t!=null){
                     String msg = t.getMessage();
                     if(msg!=null && !"".equals(msg) && !"null".equals(msg)){
                         return msg;
                     }
                 }
             }
             else if(Utilities.existsInnerException(this, java.nio.channels.ClosedChannelException.class)){
                 Throwable t = Utilities.getInnerException(this, java.nio.channels.ClosedChannelException.class);
                 if(t!=null){
                     String msg = t.getMessage();
                     if(msg!=null && !"".equals(msg) && !"null".equals(msg)){
                         return msg;
                     }
                 }
             }
             else {
                 Throwable t = Utilities.getLastInnerException(this);
                 if(t!=null && t instanceof IOException) {
                     String msg = t.getMessage();
                     if(msg!=null && !"".equals(msg) && !"null".equals(msg)){
                         return msg;
                     }
                 }
             }
        }catch(Throwable t){
            //t.getMessage(); // per debug
        }
        return null;
    }
    
     @Override
    public String getMessage() {
        String msg = this.getInnerMessage();
        if(msg!=null){
            return msg;
        }
        return super.getMessage();
    }
    @Override
    public String toString() {
        String msg = this.getInnerMessage();
        if(msg!=null){
            return msg;
        }
        return super.toString();
    }
}