/*
* 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.
*/
package liquibase.database.core;
import liquibase.database.Database;
import liquibase.database.structure.type.BooleanType;
import liquibase.database.typeconversion.TypeConverter;
import liquibase.database.typeconversion.TypeConverterFactory;
import liquibase.exception.UnexpectedLiquibaseException;
import org.apache.commons.lang.StringUtils;
/**
* BooleanType which is represented as "T" and "F" in char(1) field.
*
* @author JunHo Yoon
* @since 3.0
*/
public class TrueOrFalseBooleanType extends BooleanType {
/**
* Constructor.
*
*/
public TrueOrFalseBooleanType() {
super("char(1)");
}
@Override
public String getTrueBooleanValue() {
return "'T'";
}
@Override
public String getFalseBooleanValue() {
return "'F'";
};
@Override
public String convertObjectToString(Object value, Database database) {
if (value == null) {
return null;
} else if (value.toString().equalsIgnoreCase("null")) {
return "null";
}
String returnValue;
TypeConverter converter = TypeConverterFactory.getInstance().findTypeConverter(database);
BooleanType booleanType = converter.getBooleanType();
if (value instanceof String) {
String trim = StringUtils.trim((String) value);
if ("T".equals(trim)) {
return booleanType.getTrueBooleanValue();
} else if ("F".equals(trim) || StringUtils.isEmpty((String) value) || "0".equals(trim)) {
return booleanType.getFalseBooleanValue();
} else {
throw new UnexpectedLiquibaseException("Unknown boolean value: " + value);
}
} else if (value instanceof Integer) {
if (Integer.valueOf(1).equals(value)) {
returnValue = booleanType.getTrueBooleanValue();
} else {
returnValue = booleanType.getFalseBooleanValue();
}
} else if (value instanceof Long) {
if (Long.valueOf(1).equals(value)) {
returnValue = booleanType.getTrueBooleanValue();
} else {
returnValue = booleanType.getFalseBooleanValue();
}
} else if (((Boolean) value)) {
returnValue = booleanType.getTrueBooleanValue();
} else {
returnValue = booleanType.getFalseBooleanValue();
}
return returnValue;
}
}