| /* |
| * 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.iotdb.tsfile.fileSystem.fsFactory; |
| |
| import org.apache.iotdb.tsfile.fileSystem.FSPath; |
| import org.apache.iotdb.tsfile.fileSystem.FSType; |
| import org.apache.iotdb.tsfile.utils.FSUtils; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedOutputStream; |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| public class HybridFSFactory implements FSFactory { |
| private static final Logger logger = LoggerFactory.getLogger(HybridFSFactory.class); |
| private static final Map<FSType, FSFactory> fsFactories = new ConcurrentHashMap<>(); |
| |
| private FSFactory getFSFactory(FSType fsType) { |
| return fsFactories.compute( |
| fsType, |
| (k, v) -> { |
| if (v != null) { |
| return v; |
| } |
| switch (fsType) { |
| case LOCAL: |
| return new LocalFSFactory(); |
| case OBJECT_STORAGE: |
| return new OSFSFactory(); |
| case HDFS: |
| return new HDFSFactory(); |
| default: |
| return null; |
| } |
| }); |
| } |
| |
| @Override |
| public File getFileWithParent(String pathname) { |
| FSPath path = FSUtils.parse(pathname); |
| return getFSFactory(path.getFsType()).getFileWithParent(path.getPath()); |
| } |
| |
| @Override |
| public File getFile(String pathname) { |
| FSPath path = FSUtils.parse(pathname); |
| return getFSFactory(path.getFsType()).getFile(path.getPath()); |
| } |
| |
| @Override |
| public File getFile(String parent, String child) { |
| FSPath parentPath = FSUtils.parse(parent); |
| return getFSFactory(parentPath.getFsType()).getFile(parentPath.getPath(), child); |
| } |
| |
| @Override |
| public File getFile(File parent, String child) { |
| FSType type = FSUtils.getFSType(parent); |
| return getFSFactory(type).getFile(parent, child); |
| } |
| |
| @Override |
| public File getFile(URI uri) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public BufferedReader getBufferedReader(String filePath) { |
| FSPath path = FSUtils.parse(filePath); |
| return getFSFactory(path.getFsType()).getBufferedReader(path.getPath()); |
| } |
| |
| @Override |
| public BufferedWriter getBufferedWriter(String filePath, boolean append) { |
| FSPath path = FSUtils.parse(filePath); |
| return getFSFactory(path.getFsType()).getBufferedWriter(path.getPath(), append); |
| } |
| |
| @Override |
| public BufferedInputStream getBufferedInputStream(String filePath) { |
| FSPath path = FSUtils.parse(filePath); |
| return getFSFactory(path.getFsType()).getBufferedInputStream(path.getPath()); |
| } |
| |
| @Override |
| public BufferedOutputStream getBufferedOutputStream(String filePath) { |
| FSPath path = FSUtils.parse(filePath); |
| return getFSFactory(path.getFsType()).getBufferedOutputStream(path.getPath()); |
| } |
| |
| @Override |
| public void moveFile(File srcFile, File destFile) throws IOException { |
| FSType srcType = FSUtils.getFSType(srcFile); |
| FSType destType = FSUtils.getFSType(destFile); |
| if (srcType == destType) { |
| getFSFactory(destType).moveFile(srcFile, destFile); |
| } else { |
| throw new IOException( |
| String.format("Doesn't support move file from %s to %s.", srcType, destType)); |
| } |
| } |
| |
| @Override |
| public void copyFile(File srcFile, File destFile) throws IOException { |
| FSType srcType = FSUtils.getFSType(srcFile); |
| FSType destType = FSUtils.getFSType(destFile); |
| if (srcType == destType || (srcType == FSType.LOCAL && destType == FSType.OBJECT_STORAGE)) { |
| getFSFactory(destType).copyFile(srcFile, destFile); |
| } else if ((srcType == FSType.LOCAL || srcType == FSType.HDFS) |
| && (destType == FSType.LOCAL || destType == FSType.HDFS)) { |
| getFSFactory(FSType.HDFS).copyFile(srcFile, destFile); |
| } else { |
| throw new IOException( |
| String.format("Doesn't support move file from %s to %s.", srcType, destType)); |
| } |
| } |
| |
| @Override |
| public File[] listFilesBySuffix(String fileFolder, String suffix) { |
| FSPath folder = FSUtils.parse(fileFolder); |
| return getFSFactory(folder.getFsType()).listFilesBySuffix(folder.getPath(), suffix); |
| } |
| |
| @Override |
| public File[] listFilesByPrefix(String fileFolder, String prefix) { |
| FSPath folder = FSUtils.parse(fileFolder); |
| return getFSFactory(folder.getFsType()).listFilesByPrefix(folder.getPath(), prefix); |
| } |
| |
| @Override |
| public boolean deleteIfExists(File file) throws IOException { |
| FSType type = FSUtils.getFSType(file); |
| return getFSFactory(type).deleteIfExists(file); |
| } |
| |
| @Override |
| public void deleteDirectory(String dir) throws IOException { |
| FSType type = FSUtils.getFSType(dir); |
| getFSFactory(type).deleteDirectory(dir); |
| } |
| } |