package org.apache.ddlutils.io;
/*
* 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.
*/
import java.sql.Types;
import java.util.HashMap;
import org.apache.ddlutils.io.converters.ByteArrayBase64Converter;
import org.apache.ddlutils.io.converters.DateConverter;
import org.apache.ddlutils.io.converters.NumberConverter;
import org.apache.ddlutils.io.converters.SqlTypeConverter;
import org.apache.ddlutils.io.converters.TimeConverter;
import org.apache.ddlutils.io.converters.TimestampConverter;
import org.apache.ddlutils.model.Column;
import org.apache.ddlutils.model.Table;
import org.apache.ddlutils.util.Jdbc3Utils;
/**
* Contains the configuration for converters, which convert between the Java data types
* corresponding to SQL data, and string representations.
*
* @version $Revision: 289996 $
*/
public class ConverterConfiguration
{
/** The converters per type. */
private HashMap _convertersPerType = new HashMap();
/** The converters per table-column path. */
private HashMap _convertersPerPath = new HashMap();
/**
* Creates a new configuration object with the default converters.
*/
public ConverterConfiguration()
{
NumberConverter numberConverter = new NumberConverter();
ByteArrayBase64Converter binaryConverter = new ByteArrayBase64Converter();
registerConverter(Types.DATE, new DateConverter());
registerConverter(Types.TIME, new TimeConverter());
registerConverter(Types.TIMESTAMP, new TimestampConverter());
registerConverter(Types.BIGINT, numberConverter);
registerConverter(Types.BIT, numberConverter);
registerConverter(Types.DECIMAL, numberConverter);
registerConverter(Types.DOUBLE, numberConverter);
registerConverter(Types.FLOAT, numberConverter);
registerConverter(Types.INTEGER, numberConverter);
registerConverter(Types.NUMERIC, numberConverter);
registerConverter(Types.REAL, numberConverter);
registerConverter(Types.SMALLINT, numberConverter);
registerConverter(Types.TINYINT, numberConverter);
registerConverter(Types.BINARY, binaryConverter);
registerConverter(Types.VARBINARY, binaryConverter);
registerConverter(Types.LONGVARBINARY, binaryConverter);
registerConverter(Types.BLOB, binaryConverter);
if (Jdbc3Utils.supportsJava14JdbcTypes())
{
registerConverter(Jdbc3Utils.determineBooleanTypeCode(), numberConverter);
}
}
/**
* Registers the given type converter for an sql type.
*
* @param sqlTypeCode The type code, one of the {@link java.sql.Types} constants
* @param converter The converter
*/
public void registerConverter(int sqlTypeCode, SqlTypeConverter converter)
{
_convertersPerType.put(new Integer(sqlTypeCode), converter);
}
/**
* Registers the given type converter for the specified column.
*
* @param tableName The name of the table
* @param columnName The name of the column
* @param converter The converter
*/
public void registerConverter(String tableName, String columnName, SqlTypeConverter converter)
{
_convertersPerPath.put(tableName +"/" + columnName, converter);
}
/**
* Returns the converter registered for the specified column.
*
* @param table The table
* @param column The column
* @return The converter
*/
public SqlTypeConverter getRegisteredConverter(Table table, Column column)
{
SqlTypeConverter result = (SqlTypeConverter)_convertersPerPath.get(table.getName() + "/" + column.getName());
if (result == null)
{
result = (SqlTypeConverter)_convertersPerType.get(new Integer(column.getTypeCode()));
}
return result;
}
}