| /* |
| * 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.karaf.webconsole.osgi.config; |
| |
| import java.util.Arrays; |
| import java.util.Iterator; |
| |
| import org.apache.karaf.webconsole.osgi.config.model.ConfigurationModel; |
| import org.apache.karaf.webconsole.osgi.config.model.ConfigurationNotFoundException; |
| import org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider; |
| import org.apache.wicket.model.IModel; |
| import org.osgi.service.cm.Configuration; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| |
| /** |
| * Data provider for configuration list. |
| */ |
| public class ConfigurationProvider extends SortableDataProvider<Configuration> { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private Configuration[] configurations = new Configuration[0]; |
| private ConfigurationAdmin configurationAdmin; |
| |
| public ConfigurationProvider(ConfigurationAdmin configurationAdmin) { |
| this.configurationAdmin = configurationAdmin; |
| } |
| |
| public Iterator<? extends Configuration> iterator(int from, int count) { |
| return Arrays.asList(Arrays.copyOfRange(getConfigurations(), from, from + count)).iterator(); |
| } |
| |
| public IModel<Configuration> model(Configuration object) { |
| return new ConfigurationModel(object, configurationAdmin); |
| } |
| |
| public int size() { |
| return getConfigurations().length; |
| } |
| |
| public Configuration[] getConfigurations() { |
| try { |
| configurations = configurationAdmin.listConfigurations(null); |
| } catch (Exception e) { |
| throw new ConfigurationNotFoundException(null, e); |
| } |
| return configurations; |
| } |
| |
| @Override |
| public void detach() { |
| super.detach(); |
| configurations = null; |
| } |
| } |