| /* |
| * 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.metatype; |
| |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| |
| import org.apache.felix.service.command.Descriptor; |
| import org.osgi.service.log.LogService; |
| |
| /** |
| * Felix "spellcheck" Gogo Shell Command. This command allows to check if some given words are valid or not. |
| * This command will be activated only if (at least) one DictionaryService has been injected. |
| * To create a Dictionary Service, you have to go the the web console and add a configuration in the |
| * "Dictionary Configuration" factory pid. |
| * |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class SpellChecker { |
| /** |
| * We'll use the OSGi log service for logging. If no log service is available, then we'll use a NullObject. |
| */ |
| private volatile LogService m_log; |
| |
| /** |
| * We'll store all Dictionaries in a concurrent list, in order to avoid method synchronization. |
| * (Auto-Injected from Activator, at any time). |
| */ |
| private final Iterable<DictionaryService> m_dictionaries = new ConcurrentLinkedQueue<>(); |
| |
| /** |
| * Lifecycle method callback, used to check if our service has been activated. |
| */ |
| protected void start() { |
| m_log.log(LogService.LOG_WARNING, "Spell Checker started"); |
| } |
| |
| /** |
| * Lifecycle method callback, used to check if our service has been activated. |
| */ |
| protected void stop() { |
| m_log.log(LogService.LOG_WARNING, "Spell Checker stopped"); |
| } |
| |
| // --- Gogo Shell command |
| |
| @Descriptor("checks if word is found from an available dictionary") |
| public void spellcheck(@Descriptor("the word to check") String word) { |
| m_log.log(LogService.LOG_INFO, "Checking spelling of word \"" + word + "\" using the following dictionaries: " |
| + m_dictionaries); |
| |
| for (DictionaryService dictionary : m_dictionaries) { |
| if (dictionary.checkWord(word)) { |
| System.out.println("word " + word + " is correct"); |
| return; |
| } |
| } |
| System.err.println("word " + word + " is incorrect"); |
| } |
| } |