/*
* 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.
*/
package org.apache.isis.runtimes.dflt.objectstores.sql.jdbc;
import org.joda.time.LocalDate;
import org.apache.isis.applib.PersistFailedException;
import org.apache.isis.applib.value.Date;
import org.apache.isis.core.commons.exceptions.IsisApplicationException;
import org.apache.isis.core.metamodel.adapter.ObjectAdapter;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
import org.apache.isis.runtimes.dflt.objectstores.sql.AbstractFieldMappingFactory;
import org.apache.isis.runtimes.dflt.objectstores.sql.Defaults;
import org.apache.isis.runtimes.dflt.objectstores.sql.Results;
import org.apache.isis.runtimes.dflt.objectstores.sql.mapping.FieldMapping;
import org.apache.isis.runtimes.dflt.runtime.system.context.IsisContext;
import org.apache.isis.runtimes.dflt.runtime.system.persistence.AdapterManager;
/**
* Handles reading and writing java.sql.Date and
* org.apache.isis.applib.value.Date values to and from the data store.
*
*
* @version $Rev$ $Date$
*/
public class JdbcDateMapper extends AbstractJdbcFieldMapping {
private final AdapterManager adapterManager;
private final String dataType;
public static class Factory extends AbstractFieldMappingFactory {
@Override
public FieldMapping createFieldMapping(final ObjectSpecification object, final ObjectAssociation field) {
final String dataType = getTypeOverride(object, field, Defaults.TYPE_DATE());
return new JdbcDateMapper(field, dataType);
}
}
protected JdbcDateMapper(final ObjectAssociation field, final String dataType) {
super(field);
adapterManager = IsisContext.getPersistenceSession().getAdapterManager();
this.dataType = dataType;
}
@Override
protected Object preparedStatementObject(final ObjectAdapter value) {
final Object o = value.getObject();
if (o instanceof java.sql.Date) {
final java.sql.Date javaSqlDate = (java.sql.Date) value.getObject();
final long millisSinceEpoch = javaSqlDate.getTime();
return new LocalDate(millisSinceEpoch);
} else if (o instanceof Date) {
final Date asDate = (Date) value.getObject();
return new LocalDate(asDate.getMillisSinceEpoch());
} else {
throw new IsisApplicationException("Unimplemented JdbcDateMapper instance type: " + value.getClass().toString());
}
}
@Override
public ObjectAdapter setFromDBColumn(final Results results, final String columnName, final ObjectAssociation field) {
ObjectAdapter restoredValue;
final java.util.Date javaDateValue = results.getJavaDateOnly(columnName);
final Class<?> correspondingClass = field.getSpecification().getCorrespondingClass();
if (correspondingClass == java.util.Date.class || correspondingClass == java.sql.Date.class) {
// 2011-04-08 = 1270684800000
restoredValue = adapterManager.adapterFor(javaDateValue);
} else if (correspondingClass == Date.class) {
// 2010-03-05 = 1267747200000
Date dateValue;
dateValue = new Date(javaDateValue);
restoredValue = adapterManager.adapterFor(dateValue);
} else {
throw new PersistFailedException("Unhandled date type: " + correspondingClass.getCanonicalName());
}
return restoredValue;
}
@Override
public String columnType() {
return dataType;
}
}