| /** |
| * 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.ambari.server.stack; |
| |
| |
| import java.io.File; |
| import java.io.FilenameFilter; |
| |
| /** |
| * Base stack definition directory. |
| * Contains functionality common across directory types. |
| */ |
| public abstract class StackDefinitionDirectory { |
| /** |
| * xml filename filter |
| */ |
| protected static final FilenameFilter XML_FILENAME_FILTER = new FilenameFilter() { |
| @Override |
| public boolean accept(File folder, String fileName) { |
| return fileName.toLowerCase().endsWith(".xml"); |
| } |
| }; |
| |
| public static final String CONFIG_UPGRADE_XML_FILENAME_PREFIX = "config-upgrade.xml"; |
| |
| /** |
| * underlying directory |
| */ |
| protected File directory; |
| |
| |
| /** |
| * Constructor. |
| * |
| * @param directory underlying directory |
| */ |
| public StackDefinitionDirectory(String directory) { |
| //todo: handle non-existent dir |
| this.directory = new File(directory); |
| } |
| |
| /** |
| * Obtain the configuration sub-directory instance for the specified path. |
| * |
| * @param directoryName name of the configuration directory |
| * @return ConfigurationDirectory instance for the specified configuration directory name |
| */ |
| public ConfigurationDirectory getConfigurationDirectory(String directoryName, String propertiesDirectoryName) { |
| ConfigurationDirectory configDirectory = null; |
| File configDirFile = new File(directory.getAbsolutePath() + File.separator + directoryName); |
| File propertiesDirFile = new File(directory.getAbsolutePath() + File.separator + propertiesDirectoryName); |
| if (configDirFile.exists() && configDirFile.isDirectory()) { |
| if(propertiesDirFile.exists() && propertiesDirFile.isDirectory()) { |
| configDirectory = new ConfigurationDirectory(configDirFile.getAbsolutePath(), propertiesDirFile.getAbsolutePath()); |
| } else { |
| configDirectory = new ConfigurationDirectory(configDirFile.getAbsolutePath(), null); |
| } |
| } |
| return configDirectory; |
| } |
| |
| /** |
| * Obtain the path for this directory instance. |
| * |
| * @return the path represented by this directory |
| */ |
| public String getPath() { |
| return directory.getPath(); |
| } |
| |
| /** |
| * Obtain the absolute path for this directory instance. |
| * |
| * @return the absolute path represented by this directory |
| */ |
| public String getAbsolutePath() { |
| return directory.getAbsolutePath(); |
| } |
| |
| /** |
| * Obtain the name of the directory. |
| * |
| * @return name of the directory |
| */ |
| public String getName() { |
| return directory.getName(); |
| } |
| |
| /** |
| * Obtain the underlying directory. |
| * |
| * @return the underlying directory file |
| */ |
| protected File getDirectory() { |
| return directory; |
| } |
| } |