1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/java/alt2xml-in-fs/src/cz/frantovo/alt2xml/in/fs/Reader.java Tue Oct 28 16:14:09 2014 +0100
1.3 @@ -0,0 +1,107 @@
1.4 +/**
1.5 + * Alt2XML
1.6 + * Copyright © 2014 František Kučera (frantovo.cz)
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, either version 3 of the License, or
1.11 + * (at your option) any later version.
1.12 + *
1.13 + * This program is distributed in the hope that it will be useful,
1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.16 + * GNU General Public License for more details.
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License
1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.20 + */
1.21 +package cz.frantovo.alt2xml.in.fs;
1.22 +
1.23 +import cz.frantovo.alt2xml.AbstractAlt2XmlReader;
1.24 +import java.io.File;
1.25 +import java.io.IOException;
1.26 +import java.net.URI;
1.27 +import java.net.URISyntaxException;
1.28 +import java.util.logging.Logger;
1.29 +import org.xml.sax.Attributes;
1.30 +import org.xml.sax.InputSource;
1.31 +import org.xml.sax.SAXException;
1.32 +import org.xml.sax.helpers.AttributesImpl;
1.33 +
1.34 +/**
1.35 + * Reads filesystem – hierarchical structure of directories and files.
1.36 + *
1.37 + * @author Ing. František Kučera (frantovo.cz)
1.38 + */
1.39 +public class Reader extends AbstractAlt2XmlReader {
1.40 +
1.41 + public static final String ROOT_ELEMENT = "fs";
1.42 + public static final String DIR_ELEMENT = "dir";
1.43 + public static final String FILE_ELEMENT = "file";
1.44 + public static final String ROOT_ATTRIBUTE = "root";
1.45 + public static final String NAME_ATTRIBUTE = "name";
1.46 + private static final Logger log = Logger.getLogger(Reader.class.getName());
1.47 +
1.48 + @Override
1.49 + public void parse(InputSource input) throws IOException, SAXException {
1.50 + File dir = getFile(input.getSystemId());
1.51 +
1.52 + outputStart(dir);
1.53 + outputDir(dir);
1.54 + outputEnd();
1.55 + }
1.56 +
1.57 + private File getFile(String systemId) throws IOException {
1.58 + try {
1.59 + return new File(new URI(systemId));
1.60 + } catch (URISyntaxException e) {
1.61 + throw new IOException("Invalid dir URI", e);
1.62 + }
1.63 + }
1.64 +
1.65 + private Attributes singleAttribute(String name, String value) {
1.66 + AttributesImpl attributes = new AttributesImpl();
1.67 + attributes.addAttribute(null, name, name, "xs:string", value);
1.68 + return attributes;
1.69 + }
1.70 +
1.71 + private void outputStart(File root) throws SAXException {
1.72 + contentHandler.startDocument();
1.73 + contentHandler.lineBreak();
1.74 + contentHandler.startElement(null, null, ROOT_ELEMENT, singleAttribute(ROOT_ATTRIBUTE, root.getAbsolutePath()));
1.75 + contentHandler.lineBreak();
1.76 + }
1.77 +
1.78 + private void outputEnd() throws SAXException {
1.79 + contentHandler.endElement(null, null, ROOT_ELEMENT);
1.80 + contentHandler.lineBreak();
1.81 + contentHandler.endDocument();
1.82 + }
1.83 +
1.84 + private void outputFile(File file) throws SAXException {
1.85 + contentHandler.startElement(null, null, FILE_ELEMENT, singleAttribute(NAME_ATTRIBUTE, file.getName()));
1.86 + contentHandler.lineBreak();
1.87 +
1.88 + //contentHandler.characters(file.getName());
1.89 +
1.90 + contentHandler.endElement(null, null, FILE_ELEMENT);
1.91 + contentHandler.lineBreak();
1.92 + }
1.93 +
1.94 + private void outputDir(File dir) throws SAXException {
1.95 +
1.96 + contentHandler.startElement(null, null, DIR_ELEMENT, singleAttribute(NAME_ATTRIBUTE, dir.getName()));
1.97 + contentHandler.lineBreak();
1.98 +
1.99 + for (File file : dir.listFiles()) {
1.100 + if (file.isDirectory()) {
1.101 + outputDir(file);
1.102 + } else {
1.103 + outputFile(file);
1.104 + }
1.105 + }
1.106 +
1.107 + contentHandler.endElement(null, null, DIR_ELEMENT);
1.108 + contentHandler.lineBreak();
1.109 + }
1.110 +}