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5012893c1d
This change renames directories in preparation for the great package rename. The repository is now in a broken state because the code itself hasn't been updated. However this should ensure that git correctly preserves history for each file.
67 lines
2.2 KiB
Java
67 lines
2.2 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 com.google.domain.registry.tools;
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import static com.google.domain.registry.tools.CommandUtilities.printLineIfNotEmpty;
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import static com.google.domain.registry.tools.CommandUtilities.promptForYes;
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import com.beust.jcommander.Parameter;
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/** A {@link Command} that implements a confirmation step before executing. */
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public abstract class ConfirmingCommand implements Command {
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@Parameter(
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names = {"-f", "--force"},
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description = "Do not prompt before executing")
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boolean force;
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@Override
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public final void run() throws Exception {
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if (checkExecutionState()) {
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init();
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printLineIfNotEmpty(prompt());
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if (force || promptForYes("Perform this command?")) {
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System.out.println(execute());
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printLineIfNotEmpty(postExecute());
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} else {
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System.out.println("Command aborted.");
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}
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}
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}
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/** Run any pre-execute command checks and return true if they all pass. */
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protected boolean checkExecutionState() throws Exception {
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return true;
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}
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/** Initializes the command. */
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protected void init() throws Exception {}
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/** Returns the optional extra confirmation prompt for the command. */
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protected String prompt() throws Exception {
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return "";
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}
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/** Perform the command and return a result description. */
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protected abstract String execute() throws Exception;
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/**
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* Perform any post-execution steps (e.g. verifying the result), and return a description String
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* to be printed if non-empty.
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*/
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protected String postExecute() throws Exception {
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return "";
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}
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}
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