| /* |
| |
| Derby - Class org.apache.derby.impl.io.URLStorageFactory |
| |
| 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.derby.impl.io; |
| |
| import org.apache.derby.shared.common.sanity.SanityManager; |
| |
| import org.apache.derby.io.StorageFactory; |
| import org.apache.derby.io.StorageFile; |
| |
| import java.io.FileNotFoundException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.IOException; |
| |
| /** |
| * This class provides a http based implementation of the StorageFactory interface. It is used by the |
| * database engine to access persistent data and transaction logs under the http and https subsubprotocols. |
| */ |
| |
| public class URLStorageFactory extends BaseStorageFactory |
| { |
| |
| /** |
| * Construct a persistent StorageFile from a path name. |
| * |
| * @param path The path name of the file |
| * |
| * @return A corresponding StorageFile object |
| */ |
| StorageFile newPersistentFile( String path) |
| { |
| return new URLFile( this, path); |
| } |
| |
| /** |
| * Construct a StorageFile from a directory and file name. |
| * |
| * @param directoryName The directory part of the path name. Must not be null, nor may it be in the temp dir. |
| * @param fileName The name of the file within the directory. |
| * |
| * @return A corresponding StorageFile object |
| */ |
| StorageFile newPersistentFile( String directoryName, String fileName) |
| { |
| if( directoryName == null || directoryName.length() == 0) |
| return newPersistentFile( fileName); |
| return new URLFile( this, directoryName, fileName); |
| } |
| |
| /** |
| * Construct a StorageFile from a directory and file name. |
| * |
| * @param directoryName The directory part of the path name. |
| * @param fileName The name of the file within the directory. |
| * |
| * @return A corresponding StorageFile object |
| */ |
| StorageFile newPersistentFile( StorageFile directoryName, String fileName) |
| { |
| if( directoryName == null) |
| return newPersistentFile( fileName); |
| return new URLFile( (URLFile) directoryName, fileName); |
| } |
| |
| void doInit() throws IOException |
| { |
| if( dataDirectory != null) |
| { |
| if( dataDirectory.endsWith( "/")) |
| { |
| separatedDataDirectory = dataDirectory; |
| dataDirectory = dataDirectory.substring( 0, dataDirectory.length() - 1); |
| } |
| else |
| separatedDataDirectory = dataDirectory + '/'; // URLs use '/' as a separator |
| canonicalName = dataDirectory; |
| createTempDir(); |
| } |
| } // end of doInit |
| } |