UtilsMultiException.java

/*
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 * 
 * 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.utils;

import java.io.PrintStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/** 
 * Contiene la definizione di una eccezione lanciata dalle classi del package org.openspcoop.utils
 *
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */


public class UtilsMultiException extends Exception {

    private final List<Throwable> exceptions = new ArrayList<>();
    
    public List<Throwable> getExceptions() {
        return this.exceptions;
    }
    
    public UtilsMultiException(String message, Throwable cause)
    {
        super(message, cause);
        this.exceptions.add(cause);
    }
    public UtilsMultiException(Throwable cause)
    {
        super(cause);
        this.exceptions.add(cause);
    }
    public UtilsMultiException(String message, Throwable ... cause)
    {
        super(message, (cause!=null && cause.length>0) ? cause[0] :  null);
        if(cause!=null && cause.length>0) {
            for (int i = 0; i < cause.length; i++) {
                this.exceptions.add(cause[i]);      
            }
        }
    }
    public UtilsMultiException(Throwable ...cause)
    {
        super((cause!=null && cause.length>0) ? cause[0] :  null);
        if(cause!=null && cause.length>0) {
            for (int i = 0; i < cause.length; i++) {
                this.exceptions.add(cause[i]);      
            }
        }
    }
    
    public String getMultiMessage() {
        StringBuilder sb = new StringBuilder();
        if(!this.exceptions.isEmpty()) {
            for (int i = (this.exceptions.size()-1); i >= 0; i--) {
                if(sb.length()>0) {
                    sb.append("\n");
                }
                sb.append("- error "+(i+1)+": ");
                sb.append(this.exceptions.get(i).getMessage());
            }
        }
        return sb.toString();
    }
    
    @Override
    public void printStackTrace(PrintStream s) {
        if(!this.exceptions.isEmpty()) {
            for (int i = (this.exceptions.size()-1); i >= 0; i--) {
                if(i>0) {
                    s.print("\n");
                }
                s.print("MultiException at position "+(i+1)+": \n");
                this.exceptions.get(i).printStackTrace(s);
            }
        }
        else {
            super.printStackTrace(s);
        }
    }

    @Override
    public void printStackTrace(PrintWriter s) {
        if(!this.exceptions.isEmpty()) {
            for (int i = (this.exceptions.size()-1); i >= 0; i--) {
                if(i>0) {
                    s.print("\n");
                }
                s.print("MultiException at position "+(i+1)+": \n");
                this.exceptions.get(i).printStackTrace(s);
            }
        }
        else {
            super.printStackTrace(s);
        }
    }
    
    @Override
    public StackTraceElement[] getStackTrace() {
        if(!this.exceptions.isEmpty()) {
            List<StackTraceElement> listStackTraceElement = new ArrayList<>();
            for (int i = (this.exceptions.size()-1); i >= 0; i--) {
                StackTraceElement sElement = new StackTraceElement(UtilsMultiException.class.getName(), "Position_"+(i+1), "MultiException_"+(i+1), (i+1));
                listStackTraceElement.add(sElement);
                StackTraceElement[] tmp = this.exceptions.get(i).getStackTrace();
                if(tmp!=null && tmp.length>0) {
                    listStackTraceElement.addAll(Arrays.asList(tmp));
                }
            }
            return listStackTraceElement.toArray(new StackTraceElement[1]);
        }
        else {
            return super.getStackTrace();
        }
    }

    
    /**
     * serialVersionUID
     */
    private static final long serialVersionUID = 1L;

    public UtilsMultiException() {
        super();
    }
    public UtilsMultiException(String msg) {
        super(msg);
    }
}