Source code

001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.reef.io;
020
021import javax.inject.Inject;
022import java.io.File;
023import java.io.IOException;
024import java.nio.file.Files;
025import java.nio.file.attribute.FileAttribute;
026import java.util.logging.Level;
027import java.util.logging.Logger;
028
029/**
030 * A TempFileCreator that uses the system's temp directory.
031 */
032public final class SystemTempFileCreator implements TempFileCreator {
033  private static final Logger LOG = Logger.getLogger(SystemTempFileCreator.class.getName());
034
035  @Inject
036  public SystemTempFileCreator() {
037    LOG.log(Level.FINE, "Temporary files and folders will be created in the system temp folder.");
038  }
039
040  @Override
041  public File createTempFile(final String prefix, final String suffix) throws IOException {
042    final File result = File.createTempFile(prefix, suffix);
043    if (LOG.isLoggable(Level.FINEST)) {
044      LOG.log(Level.FINEST, "Created temporary file: {0}", result.getAbsolutePath());
045    }
046    return result;
047  }
048
049  @Override
050  public File createTempDirectory(final String prefix, final FileAttribute<?> attributes) throws IOException {
051    final File result = Files.createTempDirectory(prefix, attributes).toFile();
052    if (LOG.isLoggable(Level.FINEST)) {
053      LOG.log(Level.FINEST, "Created temporary folder: {0}", result.getAbsolutePath());
054    }
055    return result;
056  }
057
058  @Override
059  public File createTempDirectory(final String prefix) throws IOException {
060    final File result = Files.createTempDirectory(prefix).toFile();
061    if (LOG.isLoggable(Level.FINEST)) {
062      LOG.log(Level.FINEST, "Created temporary folder: {0}", result.getAbsolutePath());
063    }
064    return result;
065  }
066}