| /* |
| * 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.netbeans.modules.cloud.oracle; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import javax.swing.event.ChangeEvent; |
| import javax.swing.event.ChangeListener; |
| import org.netbeans.api.server.ServerInstance; |
| import org.netbeans.spi.server.ServerInstanceFactory; |
| import org.netbeans.spi.server.ServerInstanceProvider; |
| import org.openide.util.ChangeSupport; |
| |
| /** |
| * |
| * @author Jan Horvath |
| */ |
| |
| public class OCITenancyProvider implements ServerInstanceProvider, ChangeListener { |
| |
| private final ChangeSupport listeners; |
| private final List<ServerInstance> instances; |
| private static OCITenancyProvider instance; |
| |
| private OCITenancyProvider() { |
| listeners = new ChangeSupport(this); |
| instances = new ArrayList<> (); |
| refresh(); |
| } |
| |
| public static synchronized OCITenancyProvider getProvider() { |
| if (instance == null) { |
| instance = new OCITenancyProvider(); |
| } |
| return instance; |
| } |
| |
| @Override |
| public List<ServerInstance> getInstances() { |
| return Collections.unmodifiableList(instances); |
| } |
| |
| private void refresh() { |
| OCIManager.getDefault().getTenancy().ifPresent(tenancy -> { |
| ServerInstance si = ServerInstanceFactory.createServerInstance(new TenancyInstance(tenancy)); |
| instances.add(si); |
| listeners.fireChange(); |
| }); |
| } |
| |
| @Override |
| public void addChangeListener(ChangeListener listener) { |
| listeners.addChangeListener(listener); |
| } |
| |
| @Override |
| public void removeChangeListener(ChangeListener listener) { |
| listeners.removeChangeListener(listener); |
| } |
| |
| @Override |
| public void stateChanged(ChangeEvent e) { |
| refresh(); |
| } |
| |
| } |