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/*
* _____________________________________________________________________________
*
* INAF - OATS National Institute for Astrophysics - Astronomical Observatory of
* Trieste INAF - IA2 Italian Center for Astronomical Archives
* _____________________________________________________________________________
*
* Copyright (C) 2017 Istituto Nazionale di Astrofisica
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License Version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package it.inaf.ia2.tsm.model;
import it.inaf.ia2.tsm.datalayer.ADQL;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import javax.xml.bind.JAXB;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlElements;
import javax.xml.bind.annotation.XmlRootElement;
/**
*
* @author Sonia Zorba {@literal <zorba at oats.inaf.it>}
*/
public class TypesMapping {
@XmlRootElement(name = "sql_type_mapping")
static class TypesWrapper {
private List<TypeMapping> types;
@XmlElements({
@XmlElement(name = "type")
})
public List<TypeMapping> getTypes() {
return types;
}
public void setTypes(List<TypeMapping> types) {
this.types = types;
}
}
private static final List<TypeMapping> TYPES;
static {
try (InputStream is = TypeMapping.class.getClassLoader().getResourceAsStream("sql_type_mapping.xml")) {
TypesWrapper typesWrapper = JAXB.unmarshal(is, TypesWrapper.class);
TYPES = typesWrapper.types;
} catch (IOException e) {
throw new ExceptionInInitializerError(e);
}
}
private static TypeMapping getTypeMappingFromADQLType(String adqlType) {
for (TypeMapping typeMapping : TYPES) {
if (adqlType.equals(typeMapping.getAdqlType())) {
return typeMapping;
}
}
throw new IllegalArgumentException("Unable to retrieve mapping for ADQL type " + adqlType);
}
public static Class getClassFromAdqlType(String adqlType) {
return getTypeMappingFromADQLType(adqlType).getJavaType();
}
public static String getMySQLTypeFromADQLType(String adqlType) {
return getTypeMappingFromADQLType(adqlType).getMysqlType();
}
public static String getPostgresSQLTypeFromADQLType(String adqlType) {
return getTypeMappingFromADQLType(adqlType).getPgsqlType();
}
public static String getADQLTypeFromPostgresType(String pgsqlType) {
for (TypeMapping typeMapping : TYPES) {
if (typeMapping.getPgsqlType().startsWith(pgsqlType)) {
return typeMapping.getAdqlType();
}
}
return ADQL.getDataType(pgsqlType);
}
public static String getADQLTypeFromMySQLType(String mysqlType) {
for (TypeMapping typeMapping : TYPES) {
if (typeMapping.getPgsqlType().startsWith(mysqlType)) {
return typeMapping.getAdqlType();
}
}
return ADQL.getDataType(mysqlType);
}
public static Object parseDefaultValue(String defaultValue, String type) {
return parseDefaultValue(defaultValue, ADQL.valueOf(type));
}
public static Object parseDefaultValue(String defaultValue, ADQL type) {
switch (type) {
case VARCHAR:
case CHAR:
return defaultValue;
case INTEGER:
case SMALLINT:
return Integer.parseInt(defaultValue);
case BIGINT:
return Long.parseLong(defaultValue);
case REAL:
return Float.parseFloat(defaultValue);
case DOUBLE:
return Double.parseDouble(defaultValue);
case BOOLEAN:
return Boolean.parseBoolean(defaultValue);
default:
throw new UnsupportedOperationException("Default value for type " + type + " not supported yet.");
}
}
}