| /* |
| * 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.analysis; |
| |
| import java.util.AbstractMap.SimpleEntry; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.prefs.BackingStoreException; |
| import java.util.prefs.Preferences; |
| import javax.swing.event.ChangeListener; |
| import org.openide.util.ChangeSupport; |
| import org.openide.util.Exceptions; |
| import org.openide.util.NbBundle; |
| import org.openide.util.NbPreferences; |
| |
| /**XXX: declarative configurations? |
| * |
| * @author Jan Becicka |
| */ |
| public class ConfigurationsManager { |
| private static final String RULE_PREFIX = "rule_config_"; |
| private static final String KEY_CONFIGURATIONS_VERSION = "configurations.version"; |
| private static final int CURRENT_CONFIGURATIONS_VERSION = 1; |
| |
| private ChangeSupport changeSupport = new ChangeSupport(this); |
| |
| private ConfigurationsManager() { |
| configs = new ArrayList<Configuration>(); |
| init(); |
| } |
| |
| private static ConfigurationsManager instance; |
| |
| private ArrayList<Configuration> configs; |
| |
| public static synchronized ConfigurationsManager getDefault() { |
| if (instance == null) { |
| instance = new ConfigurationsManager(); |
| } |
| return instance; |
| } |
| |
| public Configuration getDefaultConfiguration() { |
| return getConfiguration(0); |
| } |
| |
| public List<Configuration> getConfigurations() { |
| return Collections.unmodifiableList(configs); |
| } |
| |
| public Configuration getConfiguration(int i) { |
| return configs.get(i); |
| } |
| |
| public int size() { |
| return configs.size(); |
| } |
| |
| private void init() { |
| Preferences prefs = getConfigurationsRoot(); |
| try { |
| for (String kid:prefs.childrenNames()) { |
| if (kid.startsWith(RULE_PREFIX)) { |
| Preferences p = prefs.node(kid); |
| String displayName = p.get("display.name", "unknown"); |
| create(kid.substring(RULE_PREFIX.length()), displayName); |
| } |
| } |
| } catch (BackingStoreException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| if (configs.isEmpty()) { |
| create("default", NbBundle.getMessage(ConfigurationsManager.class, "DN_Default")); |
| } |
| prefs.putInt(KEY_CONFIGURATIONS_VERSION, CURRENT_CONFIGURATIONS_VERSION); |
| } |
| |
| public Configuration create(String id, String displayName) { |
| assert !id.startsWith(RULE_PREFIX); |
| Configuration config = new Configuration(RULE_PREFIX + id, displayName, null); |
| configs.add(config); |
| changeSupport.fireChange(); |
| return config; |
| } |
| |
| public Configuration duplicate(Configuration orig, String id, String displayName) { |
| assert !id.startsWith(RULE_PREFIX); |
| Configuration config = new Configuration(RULE_PREFIX + id, displayName, null); |
| configs.add(config); |
| |
| Preferences oldOne = orig.getPreferences(); |
| Preferences newOne = config.getPreferences(); |
| try { |
| List<SimpleEntry<Preferences, Preferences>> todo = new LinkedList<SimpleEntry<Preferences, Preferences>>(); |
| boolean first = true; |
| |
| todo.add(new SimpleEntry<Preferences, Preferences>(oldOne, newOne)); |
| |
| while (!todo.isEmpty()) { |
| SimpleEntry<Preferences, Preferences> e = todo.remove(0); |
| for (String name:e.getKey().childrenNames()) { |
| todo.add(new SimpleEntry<Preferences, Preferences>(e.getKey().node(name), e.getValue().node(name))); |
| } |
| if (first) { |
| first = false; |
| continue; |
| } |
| for (String key : e.getKey().keys()) { |
| String old = e.getKey().get(key, null); |
| e.getValue().put(key, old); |
| } |
| } |
| } catch (BackingStoreException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| |
| changeSupport.fireChange(); |
| return config; |
| } |
| |
| public void remove(Configuration config) { |
| configs.remove(config); |
| Preferences prefs = NbPreferences.forModule(this.getClass()).node(config.id()); |
| try { |
| prefs.removeNode(); |
| } catch (BackingStoreException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| changeSupport.fireChange(); |
| } |
| |
| public void addChangeListener(ChangeListener listener) { |
| changeSupport.addChangeListener( listener ); |
| } |
| |
| public void removeChangeListener(ChangeListener listener ) { |
| changeSupport.removeChangeListener( listener ); |
| } |
| |
| public static Preferences getConfigurationsRoot() { |
| return NbPreferences.forModule(ConfigurationsManager.class).node("configurations"); |
| } |
| |
| public Configuration getTemporaryConfiguration() { |
| return new Configuration("internal-temporary", "internal-temporary", NbPreferences.forModule(ConfigurationsManager.class).node("internal-temporary")); |
| } |
| |
| } |