Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2006 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.util.regex.Pattern;

public class Main {
    /** Regular expression for safe filenames: no spaces or metacharacters */
    private static final Pattern SAFE_FILENAME_PATTERN = Pattern.compile("[\\w%+,./=_-]+");

    /**
     * Check if a filename is "safe" (no metacharacters or spaces).
     * 
     * @param file
     *            The file to check
     */
    public static boolean isFilenameSafe(File file) {
        // Note, we check whether it matches what's known to be safe,
        // rather than what's known to be unsafe. Non-ASCII, control
        // characters, etc. are all unsafe by default.
        return SAFE_FILENAME_PATTERN.matcher(file.getPath()).matches();
    }
}