| /* |
| * 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.commons.vfs.perf; |
| |
| import org.apache.commons.vfs.FileName; |
| import org.apache.commons.vfs.FileObject; |
| import org.apache.commons.vfs.FileSystemException; |
| import org.apache.commons.vfs.FileSystemManager; |
| import org.apache.commons.vfs.VFS; |
| |
| public class FileNamePerformance |
| { |
| private final static int NUOF_RESOLVES = 100000; |
| |
| public static void main(String[] args) throws FileSystemException |
| { |
| FileSystemManager mgr = VFS.getManager(); |
| |
| FileObject root = mgr |
| .resolveFile("smb://HOME\\vfsusr:vfs%2f%25\\te:st@10.0.1.54/vfsusr"); |
| FileName rootName = root.getName(); |
| |
| testNames(mgr, rootName); |
| |
| testChildren(root); |
| |
| testFiles(mgr); |
| } |
| |
| private static void testFiles(FileSystemManager mgr) throws FileSystemException |
| { |
| for (int i = 0; i < 10; i++) |
| { |
| // warmup jvm |
| mgr.resolveFile("smb://HOME\\vfsusr:vfs%2f%25\\te:st@10.0.1.54/vfsusr/many/path/elements/with%25esc/any%25where/to/file.txt"); |
| } |
| |
| long start = System.currentTimeMillis(); |
| for (int i = 0; i < NUOF_RESOLVES; i++) |
| { |
| mgr.resolveFile("smb://HOME\\vfsusr:vfs%2f%25\\te:st@10.0.1.54/vfsusr/many/path/elements/with%25esc/any%25where/to/file.txt"); |
| } |
| long end = System.currentTimeMillis(); |
| |
| System.err.println("time to resolve " + NUOF_RESOLVES + " files: " |
| + (end - start) + "ms"); |
| } |
| |
| private static void testChildren(FileObject root) throws FileSystemException |
| { |
| for (int i = 0; i < 10; i++) |
| { |
| // warmup jvm |
| root.resolveFile("/many/path/elements/with%25esc/any%25where/to/file.txt"); |
| } |
| |
| long start = System.currentTimeMillis(); |
| for (int i = 0; i < NUOF_RESOLVES; i++) |
| { |
| root.resolveFile("/many/path/elements/with%25esc/any%25where/to/file.txt"); |
| } |
| long end = System.currentTimeMillis(); |
| |
| System.err.println("time to resolve " + NUOF_RESOLVES + " childs: " |
| + (end - start) + "ms"); |
| } |
| |
| private static void testNames(FileSystemManager mgr, FileName rootName) throws FileSystemException |
| { |
| for (int i = 0; i < 10; i++) |
| { |
| // warmup jvm |
| mgr.resolveName(rootName, |
| "/many/path/elements/with%25esc/any%25where/to/file.txt"); |
| } |
| |
| long start = System.currentTimeMillis(); |
| for (int i = 0; i < NUOF_RESOLVES; i++) |
| { |
| mgr.resolveName(rootName, |
| "/many/path/elements/with%25esc/any%25where/to/file.txt"); |
| } |
| long end = System.currentTimeMillis(); |
| |
| System.err.println("time to resolve " + NUOF_RESOLVES + " names: " |
| + (end - start) + "ms"); |
| } |
| } |