JdbcMapper/beehive-jdbc-control/src/main/java/org/apache/beehive/controls/system/jdbc/DefaultXmlObjectResultSetMa...

67 lines
2.5 KiB
Java

/*
* 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.
*
* $Header:$
*/
package org.apache.beehive.controls.system.jdbc;
import org.apache.beehive.controls.api.ControlException;
import org.apache.beehive.controls.api.context.ControlBeanContext;
import org.apache.beehive.controls.system.jdbc.JdbcControl.SQL;
import java.lang.reflect.Method;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Calendar;
/**
* Default ResultSetMapper implementation for XmlObjects.
*/
public class DefaultXmlObjectResultSetMapper extends DefaultObjectResultSetMapper {
/**
* Map a ResultSet to an XmlObject. Object type is defined by the return type of the method.
*
* @param context A ControlBeanContext instance.
* @param m Method associated with this call.
* @param resultSet Result set to map.
* @param cal A Calendar instance for resolving date/time values.
* @return An XmlObject
*/
public Object mapToResultType(ControlBeanContext context, Method m, ResultSet resultSet, Calendar cal) {
final Class returnType = m.getReturnType();
final boolean isArray = returnType.isArray();
try {
if (isArray) {
final SQL methodSQL = (SQL) context.getMethodPropertySet(m, SQL.class);
return arrayFromResultSet(resultSet, methodSQL.arrayMaxLength(), returnType, cal);
} else {
if (!resultSet.next()) {
return _tmf.fixNull(m.getReturnType());
}
return RowMapperFactory.getRowMapper(resultSet, returnType, cal).mapRowToReturnType();
}
} catch (SQLException e) {
throw new ControlException(e.getMessage(), e);
}
}
}