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JDBC Driver for the Firebird RDBMS

There is a newer version: 4.0.10.java8

/*
 * Firebird Open Source JDBC Driver
 *
 * Distributable under LGPL license.
 * You may obtain a copy of the License at http://www.gnu.org/copyleft/lgpl.html
 *
 * 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
 * LGPL License for more details.
 *
 * This file was created by members of the firebird development team.
 * All individual contributions remain the Copyright (C) of those
 * individuals.  Contributors to this file are either listed here or
 * can be obtained from a source control history command.
 *
 * All rights reserved.
 */
package org.firebirdsql.util;

import java.sql.SQLException;

/**
 * Helpers for exception handling
 *
 * @author Mark Rotteveel
 */
public final class ExceptionHelper {

    private ExceptionHelper() {
        throw new AssertionError("no instances");
    }

    /**
     * Iterates over the {@code SQLException} and concatenates all messages from the exception, its causes, and next
     * exceptions and their causes.
     * 
     * The messages are produced using {@link Throwable#toString()}, so they include the name of the exception.
     * 
     *
     * @param sqlException starting exception
     * @return All exception messages concatenated using new line
     */
    public static String collectAllMessages(SQLException sqlException) {
        StringBuilder sb = new StringBuilder();
        for (Throwable exception : sqlException) {
            sb.append(exception);
            sb.append('\n');
        }
        sb.deleteCharAt(sb.length() - 1);
        return sb.toString();
    }

}