| /** |
| * 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 |
| * |
| * 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. |
| */ |
| package org.apache.camel.component.jasypt; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.jasypt.encryption.pbe.StandardPBEStringEncryptor; |
| |
| /** |
| * @version |
| */ |
| public class Main { |
| |
| private final StandardPBEStringEncryptor encryptor = new StandardPBEStringEncryptor(); |
| private final List<Option> options = new ArrayList<Option>(); |
| private String command; |
| private String password; |
| private String input; |
| private String algorithm; |
| |
| private abstract class Option { |
| private String abbreviation; |
| private String fullName; |
| private String description; |
| |
| protected Option(String abbreviation, String fullName, String description) { |
| this.abbreviation = "-" + abbreviation; |
| this.fullName = "-" + fullName; |
| this.description = description; |
| } |
| |
| public boolean processOption(String arg, LinkedList<String> remainingArgs) { |
| if (arg.equalsIgnoreCase(abbreviation) || fullName.startsWith(arg)) { |
| doProcess(arg, remainingArgs); |
| return true; |
| } |
| return false; |
| } |
| |
| public String getAbbreviation() { |
| return abbreviation; |
| } |
| |
| public String getDescription() { |
| return description; |
| } |
| |
| public String getFullName() { |
| return fullName; |
| } |
| |
| public String getInformation() { |
| return " " + getAbbreviation() + " or " + getFullName() + " = " + getDescription(); |
| } |
| |
| protected abstract void doProcess(String arg, LinkedList<String> remainingArgs); |
| } |
| |
| private abstract class ParameterOption extends Option { |
| private String parameterName; |
| |
| protected ParameterOption(String abbreviation, String fullName, String description, String parameterName) { |
| super(abbreviation, fullName, description); |
| this.parameterName = parameterName; |
| } |
| |
| protected void doProcess(String arg, LinkedList<String> remainingArgs) { |
| if (remainingArgs.isEmpty()) { |
| System.err.println("Expected fileName for "); |
| showOptions(); |
| } else { |
| String parameter = remainingArgs.removeFirst(); |
| doProcess(arg, parameter, remainingArgs); |
| } |
| } |
| |
| public String getInformation() { |
| return " " + getAbbreviation() + " or " + getFullName() |
| + " <" + parameterName + "> = " + getDescription(); |
| } |
| |
| protected abstract void doProcess(String arg, String parameter, LinkedList<String> remainingArgs); |
| } |
| |
| public Main() { |
| addOption(new Option("h", "help", "Displays the help screen") { |
| protected void doProcess(String arg, LinkedList<String> remainingArgs) { |
| showOptions(); |
| } |
| }); |
| |
| addOption(new ParameterOption("c", "command", "Command either encrypt or decrypt", "command") { |
| protected void doProcess(String arg, String parameter, LinkedList<String> remainingArgs) { |
| if ("encrypt".equals(parameter) || "decrypt".equals(parameter)) { |
| command = parameter; |
| } else { |
| throw new IllegalArgumentException("Unknown command, was: " + parameter); |
| } |
| } |
| }); |
| |
| addOption(new ParameterOption("p", "password", "Password to use", "password") { |
| protected void doProcess(String arg, String parameter, LinkedList<String> remainingArgs) { |
| password = parameter; |
| } |
| }); |
| |
| addOption(new ParameterOption("i", "input", "Text to encrypt or decrypt", "input") { |
| protected void doProcess(String arg, String parameter, LinkedList<String> remainingArgs) { |
| input = parameter; |
| } |
| }); |
| |
| addOption(new ParameterOption("a", "algorithm", "Optional algorithm to use", "algorithm") { |
| protected void doProcess(String arg, String parameter, LinkedList<String> remainingArgs) { |
| algorithm = parameter; |
| } |
| }); |
| } |
| |
| private void addOption(Option option) { |
| options.add(option); |
| } |
| |
| private void showOptions() { |
| System.out.println("Apache Camel Jasypt takes the following options"); |
| System.out.println(); |
| for (Option option : options) { |
| System.out.println(option.getInformation()); |
| } |
| System.out.println(); |
| System.out.println(); |
| } |
| |
| private boolean parseArguments(String[] arguments) { |
| LinkedList<String> args = new LinkedList<String>(Arrays.asList(arguments)); |
| |
| boolean valid = true; |
| while (!args.isEmpty()) { |
| String arg = args.removeFirst(); |
| |
| boolean handled = false; |
| for (Option option : options) { |
| if (option.processOption(arg, args)) { |
| handled = true; |
| break; |
| } |
| } |
| if (!handled) { |
| System.out.println("Error: Unknown option: " + arg); |
| System.out.println(); |
| valid = false; |
| break; |
| } |
| } |
| |
| return valid; |
| } |
| |
| public void run(String[] args) throws Exception { |
| if (!parseArguments(args)) { |
| showOptions(); |
| return; |
| } |
| |
| if (command == null) { |
| System.out.println("Error: Command is empty"); |
| System.out.println(); |
| showOptions(); |
| return; |
| } |
| if (password == null) { |
| System.out.println("Error: Password is empty"); |
| System.out.println(); |
| showOptions(); |
| return; |
| } |
| if (input == null) { |
| System.out.println("Error: Input is empty"); |
| System.out.println(); |
| showOptions(); |
| return; |
| } |
| |
| encryptor.setPassword(password); |
| if (algorithm != null) { |
| encryptor.setAlgorithm(algorithm); |
| } |
| if ("encrypt".equals(command)) { |
| System.out.println("Encrypted text: " + encryptor.encrypt(input)); |
| } else { |
| System.out.println("Decrypted text: " + encryptor.decrypt(input)); |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| Main main = new Main(); |
| if (args.length == 0) { |
| main.showOptions(); |
| return; |
| } else { |
| main.run(args); |
| } |
| } |
| |
| } |