| 0,0 → 1,64 |
|---|
| package net.outlyer.plugins.utils; |
| |
| /* |
| * Copyright (c) 2008, Toni Corvera. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| import java.io.File; |
| |
| /** |
| * User Interface-related methods. |
| */ |
| public class UI { |
| /** |
| * Prompt the user for a string |
| * @param question Question to ask |
| * @return String written by the user |
| */ |
| public String prompt(final String question) { |
| System.err.printf("%s: ", question); |
| return new Input().readline(); |
| } |
| |
| /** |
| * Prompts the user for an existent file path. |
| * If the provided path is empty the result will be null, otherwise |
| * the prompt will be repeated until a valid file is provided. |
| * @param message Message to display |
| * @return User-provided file or null if none |
| */ |
| public File promptForFile(final String message) { |
| do { |
| final Input in = new Input(); |
| System.err.printf("%s: ", message); |
| final String path = in.readline(); |
| if (path.isEmpty()) { |
| return null; |
| } |
| final File file = new File(path); |
| if (file.isFile()) { |
| return file; |
| } |
| } while (true); |
| } |
| } |