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* 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,
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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package org.apache.cayenne.modeler.dialog.pref;
import java.awt.Component;
import java.sql.Connection;
import java.sql.Driver;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.Map;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JOptionPane;
import org.apache.cayenne.conn.DriverDataSource;
import org.apache.cayenne.modeler.pref.DBConnectionInfo;
import org.apache.cayenne.modeler.util.CayenneController;
import org.apache.cayenne.pref.Domain;
import org.apache.cayenne.pref.PreferenceEditor;
import org.apache.cayenne.swing.BindingBuilder;
import org.apache.cayenne.util.Util;
/**
* Editor for the local DataSources configured in preferences.
*
* @author Andrei Adamchik
*/
public class DataSourcePreferences extends CayenneController {
protected DataSourcePreferencesView view;
protected PreferenceEditor editor;
protected String dataSourceKey;
protected Map dataSources;
public DataSourcePreferences(PreferenceDialog parentController) {
super(parentController);
this.view = new DataSourcePreferencesView(this);
this.editor = parentController.getEditor();
// init view data
this.dataSources = getDataSourceDomain().getDetailsMap(DBConnectionInfo.class);
Object[] keys = dataSources.keySet().toArray();
Arrays.sort(keys);
DefaultComboBoxModel dataSourceModel = new DefaultComboBoxModel(keys);
view.getDataSources().setModel(dataSourceModel);
initBindings();
// show first item
if (keys.length > 0) {
view.getDataSources().setSelectedIndex(0);
editDataSourceAction();
}
}
public Component getView() {
return view;
}
protected void initBindings() {
BindingBuilder builder = new BindingBuilder(
getApplication().getBindingFactory(),
this);
builder.bindToAction(view.getAddDataSource(), "newDataSourceAction()");
builder
.bindToAction(
view.getDuplicateDataSource(),
"duplicateDataSourceAction()");
builder.bindToAction(view.getRemoveDataSource(), "removeDataSourceAction()");
builder.bindToAction(view.getTestDataSource(), "testDataSourceAction()");
builder.bindToComboSelection(view.getDataSources(), "dataSourceKey");
}
public Domain getDataSourceDomain() {
return editor.editableInstance(getApplication().getPreferenceDomain());
}
public PreferenceEditor getEditor() {
return editor;
}
public Map getDataSources() {
return dataSources;
}
public String getDataSourceKey() {
return dataSourceKey;
}
public void setDataSourceKey(String dataSourceKey) {
this.dataSourceKey = dataSourceKey;
editDataSourceAction();
}
public DBConnectionInfo getConnectionInfo() {
return (DBConnectionInfo) dataSources.get(dataSourceKey);
}
/**
* Shows a dialog to create new local DataSource configuration.
*/
public void newDataSourceAction() {
DataSourceCreator creatorWizard = new DataSourceCreator(this);
DBConnectionInfo dataSource = creatorWizard.startupAction();
if (dataSource != null) {
dataSources.put(creatorWizard.getName(), dataSource);
Object[] keys = dataSources.keySet().toArray();
Arrays.sort(keys);
view.getDataSources().setModel(new DefaultComboBoxModel(keys));
view.getDataSources().setSelectedItem(creatorWizard.getName());
editDataSourceAction();
}
}
/**
* Shows a dialog to duplicate an existing local DataSource configuration.
*/
public void duplicateDataSourceAction() {
Object selected = view.getDataSources().getSelectedItem();
if (selected != null) {
DataSourceDuplicator wizard = new DataSourceDuplicator(this, selected
.toString());
DBConnectionInfo dataSource = wizard.startupAction();
if (dataSource != null) {
dataSources.put(wizard.getName(), dataSource);
Object[] keys = dataSources.keySet().toArray();
Arrays.sort(keys);
view.getDataSources().setModel(new DefaultComboBoxModel(keys));
view.getDataSources().setSelectedItem(wizard.getName());
editDataSourceAction();
}
}
}
/**
* Removes current DataSource.
*/
public void removeDataSourceAction() {
String key = getDataSourceKey();
if (key != null) {
editor.deleteDetail(getDataSourceDomain(), key);
dataSources.remove(key);
Object[] keys = dataSources.keySet().toArray();
Arrays.sort(keys);
view.getDataSources().setModel(new DefaultComboBoxModel(keys));
editDataSourceAction(keys.length > 0 ? keys[0] : null);
}
}
/**
* Opens specified DataSource in the editor.
*/
public void editDataSourceAction(Object dataSourceKey) {
view.getDataSources().setSelectedItem(dataSourceKey);
editDataSourceAction();
}
/**
* Opens current DataSource in the editor.
*/
public void editDataSourceAction() {
this.view.getDataSourceEditor().setConnectionInfo(getConnectionInfo());
}
/**
* Tries to establish a DB connection, reporting the status of this operation.
*/
public void testDataSourceAction() {
DBConnectionInfo currentDataSource = getConnectionInfo();
if (currentDataSource == null) {
return;
}
if (currentDataSource.getJdbcDriver() == null) {
JOptionPane.showMessageDialog(
null,
"No JDBC Driver specified",
"Warning",
JOptionPane.WARNING_MESSAGE);
return;
}
if (currentDataSource.getUrl() == null) {
JOptionPane.showMessageDialog(
null,
"No Database URL specified",
"Warning",
JOptionPane.WARNING_MESSAGE);
return;
}
try {
Class driverClass = getApplication().getClassLoadingService().loadClass(
currentDataSource.getJdbcDriver());
Driver driver = (Driver) driverClass.newInstance();
// connect via Cayenne DriverDataSource - it addresses some driver issues...
Connection c = new DriverDataSource(
driver,
currentDataSource.getUrl(),
currentDataSource.getUserName(),
currentDataSource.getPassword()).getConnection();
try {
c.close();
}
catch (SQLException e) {
// i guess we can ignore this...
}
JOptionPane.showMessageDialog(
null,
"Connected Successfully",
"Success",
JOptionPane.INFORMATION_MESSAGE);
}
catch (Throwable th) {
th = Util.unwindException(th);
JOptionPane.showMessageDialog(null, "Error connecting to DB: "
+ th.getLocalizedMessage(), "Warning", JOptionPane.WARNING_MESSAGE);
return;
}
}
}