| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 |
| * |
| * https://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. |
| * |
| */ |
| package org.apache.tools.ant.input; |
| |
| import java.util.Arrays; |
| import org.apache.tools.ant.BuildException; |
| |
| /** |
| * Prompts and requests input. May loop until a valid input has |
| * been entered. Doesn't echo input. |
| * @since Ant 1.7.1 |
| */ |
| public class SecureInputHandler extends DefaultInputHandler { |
| |
| /** |
| * Default no-args constructor |
| */ |
| public SecureInputHandler() { |
| } |
| |
| /** |
| * Handle the input |
| * @param request the request to handle |
| * @throws BuildException if not possible to read from console |
| */ |
| @SuppressWarnings("unused") |
| public void handleInput(InputRequest request) throws BuildException { |
| String prompt = getPrompt(request); |
| do { |
| char[] input = System.console().readPassword(prompt); |
| if (input == null) { |
| throw new BuildException("unexpected end of stream while reading input"); |
| } |
| request.setInput(new String(input)); |
| Arrays.fill(input, ' '); |
| } while (!request.isInputValid()); |
| } |
| } |