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/**
* <copyright>
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Brian Vetter
* Martin Taal
* Alexandros Karypidis (bugzilla 207799)
* </copyright>
*
* $Id: XSDDateTime.java,v 1.4 2010/11/12 09:33:33 mtaal Exp $
*/
package org.eclipse.emf.teneo.hibernate.mapping;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.sql.Types;
import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.XMLGregorianCalendar;
import org.eclipse.emf.teneo.hibernate.HbStoreException;
import org.eclipse.emf.teneo.util.EcoreDataTypes;
import org.hibernate.HibernateException;
import org.hibernate.type.MutableType;
/**
* Implements the hibernate UserType for EMF's XMLGregorianCalendar ("datetime"
* type in XSD).
*
* @author <a href="mailto:bvetter@alterpoint.com">Brian Vetter</a>
* @version $Revision
*/
@SuppressWarnings("deprecation")
public class XSDDateTime extends MutableType {
static final long serialVersionUID = 1;
// local copy of the datatype facatory
private final DatatypeFactory dataTypeFactory;
public XSDDateTime() {
try {
dataTypeFactory = DatatypeFactory.newInstance();
} catch (DatatypeConfigurationException e) {
throw new HbStoreException("Exception ", e);
}
}
/*
* Returns the DATETIME type that maps to the sql TIMESTAMP type
*
* @see org.hibernate.type.NullableType#sqlType()
*/
@Override
public int sqlType() {
return Types.TIMESTAMP;
}
/*
* Copy the XMLGregorianCalendar object
*
* @see org.hibernate.type.MutableType#deepCopyNotNull(java.lang.Object)
*/
@Override
public Object deepCopyNotNull(Object value) {
return dataTypeFactory
.newXMLGregorianCalendar(((XMLGregorianCalendar) value)
.toGregorianCalendar());
}
/*
* returns a name for the user type
*
* @see org.hibernate.type.Type#getName()
*/
public String getName() {
return "xmldatetime";
}
/*
* This returns an XMLGregorianCalendar.class type
*
* @see org.hibernate.type.Type#getReturnedClass()
*/
public Class<?> getReturnedClass() {
return XMLGregorianCalendar.class;
}
/*
* @see org.hibernate.type.NullableType#isEqual(java.lang.Object,
* java.lang.Object)
*/
@Override
public boolean isEqual(Object x, Object y) throws HibernateException {
if (x == y) {
return true;
}
if (x == null || y == null) {
return false;
}
if (x.getClass() != y.getClass()) {
return false;
}
return x.equals(y);
}
/*
* Transform the date in the resultSet into a XMLGregorianCalendar instance.
*
* @see org.hibernate.type.NullableType#get(java.sql.ResultSet,
* java.lang.String)
*/
@Override
public Object get(ResultSet resultSet, String name) throws SQLException {
// MT: changed this to timestamp to get the seconds right
Timestamp ts = resultSet.getTimestamp(name);
if (ts == null) {
return null;
}
return EcoreDataTypes.INSTANCE.getXMLGregorianCalendarDateTime(ts);
}
/*
* Transform the XMLGregorianCalendar into a timestamp type to store in the
* database
*
* @see org.hibernate.type.NullableType#set(java.sql.PreparedStatement,
* java.lang.Object, int)
*/
@Override
public void set(PreparedStatement statement, Object value, int index)
throws SQLException {
Timestamp d = new Timestamp(((XMLGregorianCalendar) value)
.toGregorianCalendar().getTime().getTime());
statement.setTimestamp(index, d);
}
/*
* @see org.hibernate.type.NullableType#toString(java.lang.Object)
*/
@Override
public String toString(Object val) {
return ((XMLGregorianCalendar) val).toString();
}
/*
* @see org.hibernate.type.NullableType#fromStringValue(java.lang.String)
*/
@Override
public Object fromStringValue(String s) throws HibernateException {
return dataTypeFactory.newXMLGregorianCalendar(s);
}
}
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