Application: gvSIG desktop

package org.gvsig.fmap.dal.store.jdbc2;

import java.sql.Connection;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

import java.util.Iterator;

import java.util.List;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

@SuppressWarnings("UseSpecificCatch")

public class JDBCUtils {

    private static final Logger LOGGER = LoggerFactory.getLogger(JDBCUtils.class);

    private JDBCUtils() {

    }

    public static ResultSet executeQuery(Statement st, String sql) throws SQLException {

        LOGGER.debug("execute query SQL: " + sql);

        try {

            ResultSet rs = st.executeQuery(sql);

            return rs;

        } catch(Exception ex) {

            LOGGER.warn("execute SQL: " + sql, ex);

            throw ex;

        }

    }

    public static void execute(Statement st, String sql) throws SQLException {

        LOGGER.debug("execute SQL: " + sql);

        try {

            st.execute(sql);

        } catch(Exception ex) {

            LOGGER.warn("execute SQL: " + sql, ex);

            throw ex;

        }

    }

    public static void execute(Connection connection, String sql) throws SQLException {

        LOGGER.debug("execute SQL: " + sql);

        Statement st = connection.createStatement();

        try {

            st.execute(sql);

        } catch(Exception ex) {

            LOGGER.warn("execute SQL: " + sql, ex);

            throw ex;

        }

    }

    public static void execute(Connection connection, List<String> sqls) throws SQLException {

        Statement st = null;

        String sql = null;

        try {

            st = connection.createStatement();

            Iterator<String> it = sqls.iterator();

            while( it.hasNext() ) {

                sql = it.next();

                LOGGER.debug("execute SQL: " + sql);

                st.execute(sql);

            }

        } catch (SQLException ex) {

            LOGGER.warn("execute SQL: " + sql, ex);

            throw ex;

        } finally {

            JDBCUtils.closeQuietly(st);

        }       

    }

    public static ResultSet executeQuery(PreparedStatement st, String sql) throws SQLException {

        LOGGER.debug("execute query SQL: " + sql);

        try {

            ResultSet rs = st.executeQuery();

            return rs;

        } catch(Exception ex) {

            LOGGER.warn("execute SQL: " + sql, ex);

            throw ex;

        }

    }

    public static void execute(PreparedStatement st, String sql) throws SQLException {

        LOGGER.debug("execute SQL: " + sql);

        try {

            st.execute();

        } catch(Exception ex) {

            LOGGER.warn("execute SQL: " + sql, ex);

            throw ex;

        }

    }

    public static int executeUpdate(PreparedStatement st, String sql) throws SQLException {

        LOGGER.debug("execute update SQL: "+ sql);

        try {

            return st.executeUpdate();

        } catch(Exception ex) {

            LOGGER.warn("execute SQL: " + sql, ex);

            throw ex;

        }

    }

    public static void closeQuietly(Statement obj) {

        if (obj == null) {

            return;

        }

        try {

            obj.close();

        } catch (Exception e) {

            LOGGER.warn("Problems closing " + obj.getClass().getSimpleName() + " '" + obj.toString() + "'.", e);

        }

    }

    public static void closeQuietly(ResultSet obj) {

        if (obj == null) {

            return;

        }

        try {

            obj.close();

        } catch (Exception e) {

            LOGGER.warn("Problems closing " + obj.getClass().getSimpleName() + " '" + obj.toString() + "'.", e);

        }

    }

    public static void closeQuietly(Connection conn) {

        if (conn == null) {

            return;

        }

        LOGGER.debug("Closing connection "+ conn.hashCode() + " ("+conn.toString()+")");

        try {

            conn.close();

        } catch (Exception e) {

            LOGGER.warn("Problems closing " + conn.getClass().getSimpleName() + " '" + conn.toString() + "'.", e);

        }

    }

    public static void closeQuietly(AutoCloseable obj) {

        if (obj == null) {

            return;

        }

        try {

            LOGGER.debug("Closing " + obj.getClass().getSimpleName() + " "+ obj.hashCode() + " ("+obj.toString()+")");

            obj.close();

        } catch (Exception e) {

            LOGGER.warn("Problems closing " + obj.getClass().getSimpleName() + " '" + obj.toString() + "'.", e);

        }

    }

}