| 1 | /* |
| 2 | Copyright (C) 2005 MySQL AB |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or modify |
| 5 | it under the terms of version 2 of the GNU General Public License as |
| 6 | published by the Free Software Foundation. |
| 7 | |
| 8 | There are special exceptions to the terms and conditions of the GPL |
| 9 | as it is applied to this software. View the full text of the |
| 10 | exception in file EXCEPTIONS-CONNECTOR-J in the directory of this |
| 11 | software distribution. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | |
| 22 | */ |
| 23 | |
| 24 | package com.mysql.jdbc; |
| 25 | |
| 26 | import java.sql.ParameterMetaData; |
| 27 | import java.sql.SQLException; |
| 28 | |
| 29 | public class MysqlParameterMetadata implements ParameterMetaData { |
| 30 | |
| 31 | ResultSetMetaData metadata = null; |
| 32 | int parameterCount = 0; |
| 33 | |
| 34 | |
| 35 | MysqlParameterMetadata(Field[] fieldInfo, int parameterCount) { |
| 36 | this.metadata = new ResultSetMetaData(fieldInfo); |
| 37 | |
| 38 | this.parameterCount = parameterCount; |
| 39 | } |
| 40 | |
| 41 | public int getParameterCount() throws SQLException { |
| 42 | return this.parameterCount; |
| 43 | } |
| 44 | |
| 45 | public int isNullable(int arg0) throws SQLException { |
| 46 | checkAvailable(); |
| 47 | |
| 48 | return this.metadata.isNullable(arg0); |
| 49 | } |
| 50 | |
| 51 | private void checkAvailable() throws SQLException { |
| 52 | if (this.metadata == null) { |
| 53 | throw new SQLException( |
| 54 | "Parameter metadata not available for the given statement", |
| 55 | SQLError.SQL_STATE_DRIVER_NOT_CAPABLE); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | public boolean isSigned(int arg0) throws SQLException { |
| 60 | checkAvailable(); |
| 61 | |
| 62 | return (this.metadata.isSigned(arg0)); |
| 63 | } |
| 64 | |
| 65 | public int getPrecision(int arg0) throws SQLException { |
| 66 | checkAvailable(); |
| 67 | |
| 68 | return (this.metadata.getPrecision(arg0)); |
| 69 | } |
| 70 | |
| 71 | public int getScale(int arg0) throws SQLException { |
| 72 | checkAvailable(); |
| 73 | |
| 74 | return (this.metadata.getScale(arg0)); |
| 75 | } |
| 76 | |
| 77 | public int getParameterType(int arg0) throws SQLException { |
| 78 | checkAvailable(); |
| 79 | |
| 80 | return (this.metadata.getColumnType(arg0)); |
| 81 | } |
| 82 | |
| 83 | public String getParameterTypeName(int arg0) throws SQLException { |
| 84 | checkAvailable(); |
| 85 | |
| 86 | return (this.metadata.getColumnTypeName(arg0)); |
| 87 | } |
| 88 | |
| 89 | public String getParameterClassName(int arg0) throws SQLException { |
| 90 | checkAvailable(); |
| 91 | |
| 92 | return (this.metadata.getColumnClassName(arg0)); |
| 93 | } |
| 94 | |
| 95 | public int getParameterMode(int arg0) throws SQLException { |
| 96 | return parameterModeIn; |
| 97 | } |
| 98 | } |