| /* |
| * 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.ignite.internal.processors.igfs.secondary.local; |
| |
| import java.io.IOException; |
| import java.nio.file.FileVisitResult; |
| import java.nio.file.FileVisitor; |
| import java.nio.file.Path; |
| import java.nio.file.attribute.BasicFileAttributes; |
| |
| /** |
| * File visitor to get occupied file system size. |
| */ |
| public class LocalFileSystemSizeVisitor implements FileVisitor<Path> { |
| /** File size accumulator. */ |
| private long size; |
| |
| /** {@inheritDoc} */ |
| @Override public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException { |
| return FileVisitResult.CONTINUE; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { |
| size += attrs.size(); |
| return FileVisitResult.CONTINUE; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException { |
| return FileVisitResult.CONTINUE; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException { |
| return FileVisitResult.CONTINUE; |
| } |
| |
| /** |
| * @return Total size of visited files. |
| */ |
| public long size() { |
| return size; |
| } |
| } |