/*
* 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 com.sun.rowset.CachedRowSetImpl;
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 javax.sql.RowSet;
import java.lang.reflect.Method;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Calendar;
/**
* Default ResultSetMapper implementation for RowSets.
*/
public class DefaultRowSetResultSetMapper extends ResultSetMapper {
/**
* Map a ResultSet to a RowSet. Type of RowSet is defined by the SQL annotation for the method.
*
* @param context A ControlBeanContext instance.
* @param m Method assoicated with this call.
* @param resultSet Result set to map.
* @param cal A Calendar instance for resolving date/time values.
* @return A RowSet object.
*/
public RowSet mapToResultType(ControlBeanContext context, Method m, ResultSet resultSet, Calendar cal) {
final SQL methodSQL = (SQL) context.getMethodPropertySet(m, SQL.class);
final int maxrows = methodSQL.maxRows();
try {
CachedRowSetImpl rows = new CachedRowSetImpl();
if (maxrows > 0) {
rows.setMaxRows(maxrows);
}
rows.populate(resultSet);
return rows;
} catch (SQLException e) {
throw new ControlException(e.getMessage(), e);
}
}
/**
* Can the ResultSet which this mapper uses be closed by the database control?
*
* @return always false
*/
public boolean canCloseResultSet() { return false; }
}