Java File Touch touch(File f)

Description

Touch a file (see touch(1)).

License

Apache License

Parameter

Parameter	Description
f	The File.

Exception

Parameter	Description
IOException	an exception

Declaration

public static void touch(File f) throws IOException 

Method Source Code

//package com.java2s;
/**/*from   w w w .jav  a2  s .c  om*/
 * Copyright ? 2013 - 2017 WaveMaker, Inc.
 *
 * Licensed 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.
 */

import java.io.*;

public class Main {
    /**
     * Touch a file (see touch(1)). If the file doesn't exist, create it as an empty file. If it does exist, update its
     * modification time.
     *
     * @param f The File.
     * @throws IOException
     */
    public static void touch(File f) throws IOException {

        if (!f.exists()) {
            FileWriter fw = new FileWriter(f);
            fw.close();
        } else {
            f.setLastModified(System.currentTimeMillis());
        }
    }
}

Related

1. touch(File baseDir, String... segments)
2. touch(File f)
3. touch(File file)
4. touch(File file)
5. touch(File file)