Application: gvSIG desktop » gvSIG data provider for MS SQLServer

package org.gvsig.mssqlserver.dal.operations;

import org.gvsig.fmap.dal.store.jdbc2.spi.operations.*;

import java.sql.Connection;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

import org.gvsig.fmap.dal.SQLBuilder;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException;

import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper;

import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils;

import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase;

import org.gvsig.mssqlserver.dal.MSSQLServerSQLBuilder;

public class MSSQLServerCanModifyTableOperation extends CanModifyTableOperation {

    public MSSQLServerCanModifyTableOperation(

            JDBCHelper helper

        ) {

        this(helper, null, null, null);

    }

    public MSSQLServerCanModifyTableOperation(

            JDBCHelper helper,

            String dbName,

            String schemaName,

            String tableName

        ) {

        super(helper,dbName,schemaName,tableName);

    }

    @Override

    public boolean canModifyTable(Connection conn,

            String dbName,

            String schemaName,

            String tableName

        ) throws DataException {

        MSSQLServerSQLBuilder builder = (MSSQLServerSQLBuilder) this.helper.createSQLBuilder();

        SQLBuilder.TableNameBuilder tableNameBuilder = builder.createTableNameBuilder();

        String sql = "SELECT count(*) " + 

                     "FROM fn_my_permissions("+

                     "'"+dbName+"."+schemaName+'.'+tableName+"'" +

                     ", 'OBJECT') " +

                     "WHERE permission_name in ('UPDATE', 'INSERT', 'DELETE') AND subentity_name = ''";

        Statement st = null;

        ResultSet rs = null;

        try {

            st = conn.createStatement();

            rs = JDBCUtils.executeQuery(st, sql);

            if (!rs.next()) {

                return false;

            }

            return rs.getInt(1)==3;

        } catch (SQLException ex) {

            throw new JDBCSQLException(ex);

        } finally {

            JDBCUtils.closeQuietly(st);

            JDBCUtils.closeQuietly(rs);

        }

    }

}