ca.nines.ise.cmd.Transform.java Source code

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Here is the source code for ca.nines.ise.cmd.Transform.java

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/*
 * 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.document.Annotation;
import ca.nines.ise.dom.DOM;
import ca.nines.ise.dom.DOM.DOMStatus;
import ca.nines.ise.dom.DOMBuilder;
import ca.nines.ise.log.Log;
import ca.nines.ise.log.Message;
import ca.nines.ise.schema.Schema;
import ca.nines.ise.validator.DOMValidator;
import ca.nines.ise.validator.NestingValidator;
import ca.nines.ise.writer.Writer;
import ca.nines.ise.writer.RTFWriter;
import ca.nines.ise.writer.SGMLWriter;
import ca.nines.ise.writer.TextWriter;
import ca.nines.ise.writer.XMLWriter;
import ca.nines.ise.writer.ExpandedSGMLWriter;
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;

/**
 * Transform a document into a new document.
 *
 * @author Michael Joyce <ubermichael@gmail.com>
 */
public class Transform extends Command {

    /**
     * {@inheritDoc}
     */
    @Override
    public String description() {
        return "Transform an ISE SGML document another format.";
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void execute(CommandLine cmd) throws Exception {
        PrintStream out;
        Locale.setDefault(Locale.ENGLISH);
        out = new PrintStream(System.out, true, "UTF-8");
        if (cmd.hasOption("o")) {
            out = new PrintStream(new FileOutputStream(cmd.getOptionValue("o")), true, "UTF-8");
        }

        Log log = Log.getInstance();
        Writer renderer = null;

        if (cmd.hasOption("text")) {
            renderer = new TextWriter(out);
        }
        if (cmd.hasOption("xml")) {
            renderer = new XMLWriter(out);
        }
        if (cmd.hasOption("rtf")) {
            renderer = new RTFWriter(out);
        }
        if (cmd.hasOption("sgml")) {
            renderer = new SGMLWriter(out);
        }
        if (cmd.hasOption("ximl")) {
            renderer = new ExpandedSGMLWriter(out);
        }

        if (renderer == null) {
            System.err.println("You must specify a transformation");
            System.exit(1);
            return;
        }

        String[] files = getArgList(cmd);
        DOM dom = new DOMBuilder(new File(files[0])).build();

        Schema schema = Schema.defaultSchema();
        DOMValidator dv = new DOMValidator();
        NestingValidator nv = new NestingValidator(schema);
        dv.validate(dom, schema);
        nv.validate(dom);

        if (dom.getStatus() != DOMStatus.ERROR) {
            if (files.length == 2) {
                Annotation ann = Annotation.builder().from(new File(files[1])).build();
                renderer.render(dom, ann);
            } else {
                renderer.render(dom);
            }
        } else {
            Message m = Message.builder("dom.errors").setSource(dom.getSource()).build();
            log.add(m);
        }
        if (log.count() > 0) {
            System.err.println(log.count() + " errors or warnings.");
            System.err.println(log);
        }
        log.clear();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Options getOptions() {
        Options opts = new Options();
        opts.addOption("o", true, "Send output to file.");
        opts.addOption("xml", false, "Transform output to XML.");
        opts.addOption("text", false, "Transform output to UTF-8 (unicode) text.");
        opts.addOption("rtf", false, "Transform output to an RTF document.");
        opts.addOption("sgml", false, "Transform output to an SGML document, after validating.");
        opts.addOption("ximl", false, "Transform output to an SGML document with expanded tagging.");
        return opts;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getUsage() {
        return "[options] file";
    }

}