org.hibernate.internal.util.JdbcExceptionHelper.java Source code

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Here is the source code for org.hibernate.internal.util.JdbcExceptionHelper.java

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.internal.util;

import java.sql.SQLException;

/**
 * @author Steve Ebersole
 */
public final class JdbcExceptionHelper {
    private JdbcExceptionHelper() {
    }

    /**
     * For the given SQLException, locates the vendor-specific error code.
     *
     * @param sqlException The exception from which to extract the SQLState
     * @return The error code.
     */
    public static int extractErrorCode(SQLException sqlException) {
        int errorCode = sqlException.getErrorCode();
        SQLException nested = sqlException.getNextException();
        while (errorCode == 0 && nested != null) {
            errorCode = nested.getErrorCode();
            nested = nested.getNextException();
        }
        return errorCode;
    }

    /**
     * For the given SQLException, locates the X/Open-compliant SQLState.
     *
     * @param sqlException The exception from which to extract the SQLState
     * @return The SQLState code, or null.
     */
    public static String extractSqlState(SQLException sqlException) {
        String sqlState = sqlException.getSQLState();
        SQLException nested = sqlException.getNextException();
        while (sqlState == null && nested != null) {
            sqlState = nested.getSQLState();
            nested = nested.getNextException();
        }
        return sqlState;
    }

    /**
     * For the given SQLException, locates the X/Open-compliant SQLState's class code.
     *
     * @param sqlException The exception from which to extract the SQLState class code
     * @return The SQLState class code, or null.
     */
    public static String extractSqlStateClassCode(SQLException sqlException) {
        return determineSqlStateClassCode(extractSqlState(sqlException));
    }

    public static String determineSqlStateClassCode(String sqlState) {
        if (sqlState == null || sqlState.length() < 2) {
            return sqlState;
        }
        return sqlState.substring(0, 2);
    }
}