Java tutorial
/** * 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.storm.testing; import java.io.File; import org.apache.commons.io.FileUtils; import org.apache.storm.utils.Utils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class TmpPath implements AutoCloseable { private static final Logger LOG = LoggerFactory.getLogger(TmpPath.class); public static String localTempPath() { StringBuilder ret = new StringBuilder().append(System.getProperty("java.io.tmpdir")); if (!Utils.isOnWindows()) { ret.append("/"); } ret.append(Utils.uuid()); return ret.toString(); } private final File path; public TmpPath() { this(localTempPath()); } public TmpPath(String path) { this.path = new File(path); } public String getPath() { return path.getAbsolutePath(); } public File getFile() { return path; } @Override public void close() throws Exception { if (path.exists()) { try { FileUtils.forceDelete(path); } catch (Exception e) { //on windows, the host process still holds lock on the logfile LOG.info(e.getMessage()); } } } }