Java Rename File rename(File from, File to)

Description

rename

License

Apache License

Declaration

public static void rename(File from, File to) throws IOException 

Method Source Code

//package com.java2s;
/*/*from   w ww.j  a v  a2  s  . c o m*/
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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.File;

import java.io.IOException;

public class Main {
    public static void rename(File from, File to) throws IOException {
        ensureFileDoesNotExist(to);
        if (!from.renameTo(to)) {
            throw new IOException("Unable to rename " + from + " to " + to);
        }
    }

    public static void ensureFileDoesNotExist(File file) throws IOException {
        if (file.exists()) {
            if (!file.isFile()) {
                throw new IOException(file + " is not a file");
            }
            doDelete(file);
        }
    }

    public static void doDelete(File file) throws IOException {
        if (!file.delete()) {
            throw new IOException("Unable to delete: " + file);
        }
    }
}

Related

1. rename(File from, File to)
2. rename(File from, File to)
3. rename(File from, File to)
4. rename(File from, File to)
5. rename(File from, File to)
6. rename(File from, File to, boolean overwrite)
7. rename(File oldFile, File newFile)
8. rename(File pFrom, File pTo)
9. rename(File pFrom, File pTo, boolean pOverWrite)