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31ddced437
They are only needed in test code. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=125126550
55 lines
1.9 KiB
Java
55 lines
1.9 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.tools;
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import com.google.common.base.Strings;
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/** Container class for static utility methods. */
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class CommandUtilities {
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static String addHeader(String header, String body) {
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return String.format("%s:\n%s\n%s", header, Strings.repeat("-", header.length() + 1), body);
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}
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/** Prompts for yes/no input using promptText, defaulting to no. */
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static boolean promptForYes(String promptText) {
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return promptForYesOrNo(promptText, false);
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}
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/**
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* Prompts for yes/no input using promptText and returns true for yes and false for no, using
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* defaultResponse as the response for empty input.
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*/
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static boolean promptForYesOrNo(String promptText, boolean defaultResponse) {
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String options = defaultResponse ? "Y/n" : "y/N";
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while (true) {
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String line = System.console().readLine(String.format("%s (%s): ", promptText, options));
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if (line.isEmpty()) {
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return defaultResponse;
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} else if ("Y".equalsIgnoreCase(line.substring(0, 1))) {
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return true;
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} else if ("N".equalsIgnoreCase(line.substring(0, 1))) {
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return false;
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}
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}
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}
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/** Prints the provided text with a trailing newline, if text is not null or empty. */
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static void printLineIfNotEmpty(String text) {
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if (!Strings.isNullOrEmpty(text)) {
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System.out.println(text);
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}
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}
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}
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