Java tutorial
/* * jPOS Project [http://jpos.org] * Copyright (C) 2000-2018 jPOS Software SRL * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.jpos.q2.cli; import org.apache.commons.cli.*; import org.jpos.ee.*; import org.jpos.q2.CLICommand; import org.jpos.q2.CLIContext; import java.io.PrintWriter; import java.util.Collections; @SuppressWarnings("unused") public class ADDUSER implements CLICommand { @Override public void exec(CLIContext cli, String[] args) throws Exception { CommandLineParser parser = new DefaultParser(); Options options = new Options(); options.addOption("n", "name", true, "User's full name"); options.addOption("p", "password", true, "The password"); options.addOption("r", "role", true, "User role"); CommandLine line = parser.parse(options, shl(shl(args))); if (args.length < 2) { showHelp(cli, args, options); return; } if (!line.hasOption('n')) { cli.println("--name parameter is required. See --help for help"); return; } try (DB db = new DB()) { db.open(); db.beginTransaction(); UserManager mgr = new UserManager(db); User u = mgr.getUserByNick(args[1], true); if (u != null) { cli.println("User already exists" + (u.isDeleted() ? " (soft-deleted)" : "")); return; } RoleManager rm = new RoleManager(db); Role[] rr = null; if (line.hasOption('r')) { String[] roles = line.getOptionValues('r'); rr = new Role[roles.length]; int i = 0; for (String s : roles) { Role r = rm.getRoleByName(s); if (r == null) { cli.println("Role '" + s + "' does not exist - aborting"); return; } rr[i++] = r; } } User user = new User(); user.setNick(args[1]); user.setName(line.getOptionValue('N')); db.session().save(user); if (line.hasOption('p')) { mgr.setPassword(user, line.getOptionValue('p')); } if (rr != null) Collections.addAll(user.getRoles(), rr); user.setActive(true); db.commit(); cli.println("User '" + user.getNickAndId() + "' created"); } catch (Exception e) { cli.println(e.getMessage()); } } private String[] shl(String[] args) { switch (args.length) { case 0: return args; case 1: return new String[0]; } String[] shl = new String[args.length - 1]; System.arraycopy(args, 1, shl, 0, args.length - 1); return shl; } private void showHelp(CLIContext cli, String args[], Options options) { PrintWriter pw = new PrintWriter(cli.getOutputStream()); HelpFormatter helpFormatter = new HelpFormatter(); helpFormatter.printHelp(args[0] + "<nick> [options]", options); helpFormatter.printHelp(pw, HelpFormatter.DEFAULT_WIDTH, args[0], null, options, 0, HelpFormatter.DEFAULT_DESC_PAD, null, false); } }