com.autentia.common.util.ExceptionUtils.java Source code

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Here is the source code for com.autentia.common.util.ExceptionUtils.java

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/**
 * Copyright 2008 Autentia Real Business Solutions S.L.
 * 
 * This file is part of autentia-util.
 * 
 * autentia-util is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 * 
 * autentia-util 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with autentia-util. If not, see <http://www.gnu.org/licenses/>.
 */

package com.autentia.common.util;

import org.hibernate.exception.ConstraintViolationException;

import com.autentia.common.util.compatibility.JRESafe;

public final class ExceptionUtils {

    private ExceptionUtils() {
        // Para cumplir con el patron singleton
    }

    public static void throwCleanRuntimeException(String msg) {
        RuntimeException e = new RuntimeException(msg);
        cleanStack(e);
        throw e;
    }

    public static void throwCleanRuntimeException(Exception e) {
        RuntimeException rte = new RuntimeException();
        JRESafe.initCause(rte, e);
        cleanStack(rte);
        throw rte;
    }

    public static void cleanStack(Exception e) {

        /*
         * Codigo comentado por error de ejecucion con la maquina virtual: WebSphere Platform 5.1 [EXPRESS 5.1.1
         * a0426.01] [JDK 1.4.2 cn1420-20040626] Java version = J2RE 1.4.2 IBM Windows 32 build cn1420-20040626 (JIT
         * enabled: jitc), Java Compiler = jitc, Java VM name = Classic VM Error al instanciar
         * 'StackTraceElement("Object", "Object", null, 0)' deja de ejecutar sin mostrar excepciones
         */

        // StackTraceElement[] ste = { new StackTraceElement("Object", "Object", null, 0) };
        // e.setStackTrace(ste);
    }

    private static final String MESSAGE_SRTIP_KEY = "REFERENCES";

    /** 
     * Parsea el mensaje que informa de la causa de una excepcin del tipo ConstraintViolationException, para devolver una clave que obtener del fichero de mensajes.
     * Caused by: java.sql.BatchUpdateException: Cannot delete or update a parent row: a foreign key constraint fails (`acer/securitygroupimpl_grantedauthorityimpl`, CONSTRAINT `FK44EEEBA8D5BA4045` FOREIGN KEY (`authorities_id`) REFERENCES `grantedauthorityimpl` (`id`))
     * @param e ConstraintViolationException
     * @return una clave del tipo REFERENCE_grantedauthorityimpl
     */
    public static String getReferenceKey(ConstraintViolationException e) {
        String result;
        try {

            final String msg = e.getSQLException().getMessage();
            result = msg.substring(msg.lastIndexOf(MESSAGE_SRTIP_KEY) + MESSAGE_SRTIP_KEY.length(),
                    msg.lastIndexOf("(")).replaceAll("`", "").trim();
        } catch (Throwable t) {
            result = "";
        }
        return result;
    }

}