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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.openjpa.lib.jdbc;

import java.sql.SQLException;
import java.sql.Statement;

/**
 * A {@link SQLException} that contains information about
 * the {@link Statement} SQL that caused the exception.
 *
 * @author Marc Prud'hommeaux
 */
public class ReportingSQLException extends SQLException {

    private static final long serialVersionUID = 1L;
    private final transient Statement _stmnt;
    private final SQLException _sqle;
    private final String       _sql;
    // When batching is used, and an object/row in the batch causes an
    // exception, this variable will hold the index of the first failing object.
    private int indexOfFirstFailedObject=-1;

    /**
     * Supply original exception and non-null Statement and/or SQL string.
     */
    public ReportingSQLException(SQLException sqle, Statement stmnt,
        String sql) {
        super(getExceptionMessage(sqle, stmnt, sql));
        this._sqle = sqle;
        this._stmnt = stmnt;
        this._sql = sql;
        setNextException(sqle);
    }

    /**
     * Gets the SQL string if available.
     */
    public String getSQL() {
        return _sql;
    }

    /**
     * Returns the SQL state of the underlying {@link SQLException}.
     */
    @Override
    public String getSQLState() {
        return _sqle.getSQLState();
    }

    /**
     * Returns the error code of the underlying {@link SQLException}.
     */
    @Override
    public int getErrorCode() {
        return _sqle.getErrorCode();
    }

    /**
     * Returns the {@link Statement} that caused the exception.
     */
    public Statement getStatement() {
        return _stmnt;
    }

    public int getIndexOfFirstFailedObject(){
        return indexOfFirstFailedObject;
    }

    public void setIndexOfFirstFailedObject(int index){
        indexOfFirstFailedObject=index;
    }

    private static String getExceptionMessage(SQLException sqle,
        Statement stmnt, String sql) {
        try {
            if (stmnt != null)
                return sqle.getMessage() + " {" + stmnt + "} "
                    + "[code=" + sqle.getErrorCode() + ", state="
                    + sqle.getSQLState() + "]";
            else if (sql != null)
                return sqle.getMessage() + " {" + sql + "} "
                    + "[code=" + sqle.getErrorCode() + ", state="
                    + sqle.getSQLState() + "]";
            else
                return sqle.getMessage() + " "
                    + "[code=" + sqle.getErrorCode() + ", state="
                    + sqle.getSQLState() + "]";
        } catch (Throwable t) {
            return sqle.getMessage();
        }
    }
}