Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright 2014 Zhenguo Jin
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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;

public class Main {
    private static final String FILENAME_REGIX = "^[^\\/?\"*:<>\\]{1,255}$";

    public static boolean renameFile(File file, String newFileName) {
        if (newFileName.matches(FILENAME_REGIX)) {
            File newFile = null;
            if (file.isDirectory()) {
                newFile = new File(file.getParentFile(), newFileName);
            } else {
                String temp = newFileName + file.getName().substring(file.getName().lastIndexOf('.'));
                newFile = new File(file.getParentFile(), temp);
            }
            if (file.renameTo(newFile)) {
                return true;
            }
        }
        return false;
    }
}