| /* |
| * 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.felix.dependencymanager.samples.dictionary.annot; |
| |
| import java.util.concurrent.CopyOnWriteArrayList; |
| |
| import org.apache.felix.dm.annotation.api.Component; |
| import org.apache.felix.dm.annotation.api.ServiceDependency; |
| import org.apache.felix.dm.annotation.api.Start; |
| import org.osgi.service.log.LogService; |
| |
| /** |
| * A Dictionary Service. This service uses a FactoryConfigurationAdapterService |
| * annotation, allowing to instantiate this service from webconsole. This |
| * annotation will actually register a ManagedServiceFactory in the registry. |
| * The Configuration metatype informations is described using the bnd metatype |
| * information (see the DictionaryConfiguration interface). |
| * |
| * You must configure at least one Dictionary from web console, since the |
| * SpellCheck won't start if no Dictionary Service is available. |
| * |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| @Component(factoryPid = DictionaryImpl.FACTORY_PID, propagate = true) |
| public class DictionaryImpl implements DictionaryService { |
| |
| /** |
| * Our factory configuration pid. |
| */ |
| final static String FACTORY_PID = "spellchecker.Dictionary"; |
| |
| /** |
| * We store all configured words in a thread-safe data structure, because |
| * ConfigAdmin may invoke our updated method at any time. |
| */ |
| private CopyOnWriteArrayList<String> m_words = new CopyOnWriteArrayList<String>(); |
| |
| /** |
| * We'll use the OSGi log service for logging. If no log service is available, |
| * then we'll use a NullObject. |
| */ |
| @ServiceDependency(required = false) |
| private LogService m_log; |
| |
| /** |
| * Our Dictionary language. |
| */ |
| private String m_lang; |
| |
| /** |
| * Our service will be initialized from ConfigAdmin. |
| * |
| * @param config |
| * The configuration where we'll lookup our words list |
| * (key=".words"). |
| */ |
| protected void updated(DictionaryConfiguration cnf) { |
| if (cnf != null) { |
| m_lang = cnf.lang(); |
| m_words.clear(); |
| for (String word : cnf.words()) { |
| m_words.add(word); |
| } |
| } |
| } |
| |
| /** |
| * A new Dictionary Service is starting (because a new factory configuration has |
| * been created from webconsole). |
| */ |
| @Start |
| protected void start() { |
| m_log.log(LogService.LOG_INFO, "Starting Dictionary Service with language: " + m_lang); |
| } |
| |
| /** |
| * Check if a word exists if the list of words we have been configured from |
| * ConfigAdmin/WebConsole. |
| */ |
| public boolean checkWord(String word) { |
| return m_words.contains(word); |
| } |
| |
| @Override |
| public String toString() { |
| return "Dictionary: language=" + m_lang + ", words=" + m_words; |
| } |
| } |