Java tutorial
/* * Copyright (C) 2014 Michael Joyce <ubermichael@gmail.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation version 2. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package ca.nines.ise.cmd; import ca.nines.ise.dom.DOM; import ca.nines.ise.dom.DOM.DOMStatus; import ca.nines.ise.dom.DOMBuilder; import ca.nines.ise.transformer.Renumberer; import ca.nines.ise.writer.Writer; import ca.nines.ise.writer.SGMLWriter; import java.io.File; import java.io.FileOutputStream; import java.io.PrintStream; import java.util.Locale; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.Options; /** * Renumber the \@n attributes in one or more tags in a document, following some * very arcane rules. * * @author Michael Joyce <ubermichael@gmail.com> */ public class Renumber extends Command { /** * {@inheritDoc} */ @Override public String description() { return "Renumber the @n attributes in a tag."; } @Override public void execute(CommandLine cmd) throws Exception { PrintStream outputStream; Locale.setDefault(Locale.ENGLISH); outputStream = new PrintStream(System.out, true, "UTF-8"); if (cmd.hasOption("o")) { outputStream = new PrintStream(new FileOutputStream(cmd.getOptionValue("o")), true, "UTF-8"); } String[] files = getArgList(cmd); if (files.length > 1) { System.err.println("Can only renumber one file at a time."); help(); System.exit(1); } DOM dom = new DOMBuilder(new File(files[0])).build(); if (dom.getStatus() != DOMStatus.ERROR) { Renumberer r = new Renumberer(); if (cmd.hasOption("l")) { r.setRenumberLine(true); } if (cmd.hasOption("qln")) { r.setRenumberQln(true); } if (cmd.hasOption("tln")) { r.setRenumberTln(true); } if (cmd.hasOption("wln")) { r.setRenumberWln(true); } if (cmd.hasOption("act")) { r.setRenumberAct(true); } if (cmd.hasOption("scene")) { r.setRenumberScene(true); } if (cmd.hasOption("stanza")) { r.setRenumberStanza(true); } if (cmd.hasOption("page")) { r.setRenumberPage(true); } dom = r.transform(dom); } Writer out = new SGMLWriter(outputStream); out.render(dom); } /** * {@inheritDoc} */ @Override public Options getOptions() { Options opts = new Options(); opts.addOption("o", true, "Send output to file."); opts.addOption("l", false, "Renumber L tags."); opts.addOption("qln", false, "Renumber QLN tags."); opts.addOption("wln", false, "Renumber WLN tags."); opts.addOption("act", false, "Renumber ACT tags."); opts.addOption("scene", false, "Renumber SCENE tags."); opts.addOption("stanza", false, "Renumber STANZA tags."); opts.addOption("page", false, "Renumber PAGE tags."); return opts; } /** * {@inheritDoc} */ @Override public String getUsage() { return "[options] file"; } }