org.castor.jdo.engine
Class SQLTypeInfos

java.lang.Object
  org.castor.jdo.engine.SQLTypeInfos

public final class SQLTypeInfos
extends Object

Utility class to translate SQL type by integer value or name into corresponding Java type.

Since:

1.0

Version:

$Revision: 8141 $ $Date: 2006-04-08 08:58:10 -0600 (Sat, 08 Apr 2006) $

Author:

Ralf Joachim

Method Summary

static Object	getValue(ResultSet rs, int index, int sqlType) Get value from given ResultSet at given index with given SQL type.
static int	javaType2sqlTypeNum(Class<?> javaType) Returns the SQL type from the specified Java type.
static void	setValue(PreparedStatement stmt, int index, Object value, int sqlType) Set given value on given PreparedStatement at given index with given SQL type.
static Class<?>	sqlTypeName2javaType(String sqlTypeName) Returns the Java type for the given SQL type name.
static Class<?>	sqlTypeNum2javaType(int sqlTypeNum) Returns the Java type for the given SQL type.
static String	sqlTypeNum2sqlTypeName(int sqlTypeNum) Returns the SQL type name for the given SQL type number.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

sqlTypeNum2javaType

public static Class<?> sqlTypeNum2javaType(int sqlTypeNum)
                                    throws MappingException

Returns the Java type for the given SQL type.

Parameters:

sqlTypeNum - SQL type name (see JDBC API)

Returns:

The suitable Java type

Throws:

MappingException - The SQL type is not recognized.

sqlTypeNum2sqlTypeName

public static String sqlTypeNum2sqlTypeName(int sqlTypeNum)
                                     throws MappingException

Returns the SQL type name for the given SQL type number.

Parameters:

sqlTypeNum - SQL type name (see JDBC API)

Returns:

The SQL type name.

Throws:

MappingException - The SQL type is not recognized.

sqlTypeName2javaType

public static Class<?> sqlTypeName2javaType(String sqlTypeName)
                                     throws MappingException

Returns the Java type for the given SQL type name.

Parameters:

sqlTypeName - SQL type name (e.g. numeric).

Returns:

The suitable Java type.

Throws:

MappingException - The SQL type is not recognized.

javaType2sqlTypeNum

public static int javaType2sqlTypeNum(Class<?> javaType)

Returns the SQL type from the specified Java type. Returns OTHER if the Java type has no suitable SQL type mapping.

Parameters:

javaType - The Java class of the SQL type.

Returns:

SQL type from the specified Java type.

getValue

public static Object getValue(ResultSet rs,
                              int index,
                              int sqlType)
                       throws SQLException

Get value from given ResultSet at given index with given SQL type.

Parameters:

rs - The ResultSet to get the value from.

index - The index of the value in the ResultSet.

sqlType - The SQL type of the value.

Returns:

The value.

Throws:

SQLException - If a database access error occurs.

setValue

public static void setValue(PreparedStatement stmt,
                            int index,
                            Object value,
                            int sqlType)

Set given value on given PreparedStatement at given index with given SQL type.

Parameters:

stmt - The PreparedStatement to set value on.

index - The index of the value in the PreparedStatement.

value - The value to set.

sqlType - The SQL type of the value.