/*****************************************************************
* 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.cayenne.modeler.action;
import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.conf.DriverDataSourceFactory;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.pref.DBConnectionInfo;
import org.apache.cayenne.modeler.pref.DataNodeDefaults;
import org.apache.cayenne.modeler.util.CayenneAction;
import org.apache.cayenne.modeler.util.ModelerDbAdapter;
import org.apache.cayenne.project.ProjectDataSource;
/**
* @author Andrei Adamchik
*/
public abstract class DBWizardAction extends CayenneAction {
public DBWizardAction(String name, Application application) {
super(name, application);
}
// ==== Guessing user preferences... *****
protected DataNode getPreferredNode() {
ProjectController projectController = getProjectController();
DataNode node = projectController.getCurrentDataNode();
// try a node that belongs to the current DataMap ...
if (node == null) {
DataMap map = projectController.getCurrentDataMap();
if (map != null) {
node = projectController.getCurrentDataDomain().lookupDataNode(map);
}
}
return node;
}
protected String preferredDataSourceLabel(DBConnectionInfo nodeInfo) {
if (nodeInfo == null || nodeInfo.getDomainPreference() == null) {
// only driver nodes have meaningful connection info set
DataNode node = getPreferredNode();
return (node != null && DriverDataSourceFactory.class.getName().equals(
node.getDataSourceFactory())) ? "DataNode Connection Info" : null;
}
return nodeInfo.getKey();
}
/**
* Determines the most reasonable default DataSource choice.
*/
protected DBConnectionInfo preferredDataSource() {
DataNode node = getPreferredNode();
// no current node...
if (node == null) {
return null;
}
// if node has local DS set, use it
DataNodeDefaults nodeDefaults = (DataNodeDefaults) getProjectController()
.getPreferenceDomainForDataDomain()
.getDetail(node.getName(), DataNodeDefaults.class, false);
String key = (nodeDefaults != null) ? nodeDefaults.getLocalDataSource() : null;
if (key != null) {
DBConnectionInfo info = (DBConnectionInfo) getApplication()
.getPreferenceDomain()
.getDetail(key, DBConnectionInfo.class, false);
if (info != null) {
return info;
}
}
// extract data from the node
if (!DriverDataSourceFactory.class.getName().equals(node.getDataSourceFactory())) {
return null;
}
// create transient object..
DBConnectionInfo nodeInfo = new DBConnectionInfo();
nodeInfo.copyFrom(((ProjectDataSource) node.getDataSource()).getDataSourceInfo());
nodeInfo.setDbAdapter(null);
if (node.getAdapter() instanceof ModelerDbAdapter) {
nodeInfo.setDbAdapter(((ModelerDbAdapter) node.getAdapter())
.getAdapterClassName());
}
return nodeInfo;
}
}