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/*
*
* Copyright 2007 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.
*/
/* $Rev$ $Date$ */
#ifndef _SDODATACONVERTER_H_
#define _SDODATACONVERTER_H_
#include "commonj/sdo/DataTypeInfo.h"
#include "commonj/sdo/SDODate.h"
namespace commonj
{
namespace sdo
{
// The SDODataConverter class provides methods that convert between the
// many primitive data types that SDO must support. In general, the
// inputs to a method are a DataTypeInfo::SDODataTypeUnion that gives
// the source value that is to be converted and a
// DataTypeInfo::TrueDataType that says which member of the union is
// actually set. The target of the conversion is determined by the
// method name.
class SDODataConverter
{
public:
static const bool convertToBoolean(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static const char convertToByte(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static const wchar_t convertToCharacter(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static const short convertToShort(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static const long convertToInteger(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static const int64_t convertToLong(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static const float convertToFloat(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static const double convertToDouble(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static const SDODate convertToDate(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static SDOString* convertToSDOString(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType);
static unsigned int convertToBytes(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType,
char* outptr,
unsigned int max_length);
static unsigned int convertToString(const DataTypeInfo::SDODataTypeUnion& sourceValue,
const DataTypeInfo::TrueDataType& dataType,
wchar_t* outptr,
unsigned int max_length);
static unsigned int precision;
private:
// We sometimes need to convert primitive data types into an
// equivalent string representation and for that we need a
// temporary buffer. Rather than fret too much about how big each
// one can be we choose a size that should be adequate for any of them
static const int MAX_TRANSIENT_SIZE;
};
}
}
#endif // _SDODATACONVERTER_H
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