| /* |
| * 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. |
| * |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.lenya.ac.file; |
| |
| import java.io.File; |
| |
| import org.apache.avalon.framework.configuration.Configuration; |
| import org.apache.avalon.framework.configuration.ConfigurationException; |
| import org.apache.avalon.framework.configuration.DefaultConfiguration; |
| import org.apache.avalon.framework.configuration.DefaultConfigurationSerializer; |
| import org.apache.avalon.framework.logger.Logger; |
| import org.apache.lenya.ac.AccessControlException; |
| import org.apache.lenya.ac.Item; |
| import org.apache.lenya.ac.ItemManager; |
| import org.apache.lenya.ac.impl.AbstractGroup; |
| import org.apache.lenya.ac.impl.ItemConfiguration; |
| |
| /** |
| * File-based group implementation. |
| */ |
| public class FileGroup extends AbstractGroup implements Item { |
| |
| /** |
| * @see org.apache.lenya.ac.Group#delete() |
| */ |
| public void delete() throws AccessControlException { |
| super.delete(); |
| getFile().delete(); |
| } |
| |
| /** |
| * Creates a new FileGroup object. |
| * @param itemManager The item manager. |
| * @param logger The logger. |
| */ |
| public FileGroup(ItemManager itemManager, Logger logger) { |
| super(itemManager, logger); |
| } |
| |
| /** |
| * Create a new instance of <code>FileGroup</code> |
| * @param itemManager The item manager. |
| * @param logger The logger. |
| * @param id the ID of the group |
| */ |
| public FileGroup(ItemManager itemManager, Logger logger, String id) { |
| super(itemManager, logger, id); |
| FileItemManager fileItemManager = (FileItemManager) itemManager; |
| setConfigurationDirectory(fileItemManager.getConfigurationDirectory()); |
| } |
| |
| /** |
| * Configures this file group. |
| * @param config The configuration. |
| * @throws ConfigurationException when something went wrong. |
| */ |
| public void configure(Configuration config) throws ConfigurationException { |
| new ItemConfiguration().configure(this, config); |
| } |
| |
| /** |
| * Returns the configuration file. |
| * @return A file object. |
| */ |
| protected File getFile() { |
| File xmlPath = getConfigurationDirectory(); |
| File xmlFile = new File(xmlPath, getId() + FileGroupManager.SUFFIX); |
| return xmlFile; |
| } |
| |
| /** |
| * Save this group |
| * @throws AccessControlException if the save failed |
| */ |
| public void save() throws AccessControlException { |
| DefaultConfigurationSerializer serializer = new DefaultConfigurationSerializer(); |
| Configuration config = createConfiguration(); |
| File xmlfile = getFile(); |
| |
| try { |
| serializer.serializeToFile(xmlfile, config); |
| } catch (Exception e) { |
| throw new AccessControlException(e); |
| } |
| } |
| |
| /** |
| * Group configuration element. |
| */ |
| public static final String GROUP = "group"; |
| |
| /** |
| * Create a configuration containing the group details |
| * @return a <code>Configuration</code> |
| */ |
| private Configuration createConfiguration() { |
| DefaultConfiguration config = new DefaultConfiguration(GROUP); |
| new ItemConfiguration().save(this, config); |
| |
| return config; |
| } |
| |
| private File configurationDirectory; |
| |
| /** |
| * Returns the configuration directory. |
| * @return A file object. |
| */ |
| protected File getConfigurationDirectory() { |
| return this.configurationDirectory; |
| } |
| |
| protected void setConfigurationDirectory(File _configurationDirectory) { |
| assert (_configurationDirectory != null) && _configurationDirectory.isDirectory(); |
| this.configurationDirectory = _configurationDirectory; |
| } |
| } |