franta-hg@11: /**
franta-hg@11:  * Alt2XML
franta-hg@11:  * Copyright © 2014 František Kučera (frantovo.cz)
franta-hg@11:  *
franta-hg@11:  * This program is free software: you can redistribute it and/or modify
franta-hg@11:  * it under the terms of the GNU General Public License as published by
franta-hg@11:  * the Free Software Foundation, either version 3 of the License, or
franta-hg@11:  * (at your option) any later version.
franta-hg@11:  *
franta-hg@11:  * This program is distributed in the hope that it will be useful,
franta-hg@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@11:  * GNU General Public License for more details.
franta-hg@11:  *
franta-hg@11:  * You should have received a copy of the GNU General Public License
franta-hg@11:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
franta-hg@11:  */
franta-hg@16: package cz.frantovo.alt2xml.cli;
franta-hg@2: 
franta-hg@21: import java.io.File;
franta-hg@2: import java.io.OutputStream;
franta-hg@30: import java.util.Arrays;
franta-hg@30: import java.util.logging.Level;
franta-hg@30: import java.util.logging.Logger;
franta-hg@2: import javax.xml.parsers.SAXParser;
franta-hg@2: import javax.xml.parsers.SAXParserFactory;
franta-hg@2: import javax.xml.stream.XMLOutputFactory;
franta-hg@2: import javax.xml.stream.XMLStreamWriter;
franta-hg@39: import org.xml.sax.ext.LexicalHandler;
franta-hg@2: import org.xml.sax.helpers.DefaultHandler;
franta-hg@2: 
franta-hg@2: /**
franta-hg@2:  *
franta-hg@19:  * @author Ing. František Kučera (frantovo.cz)
franta-hg@2:  */
franta-hg@2: public class CLI {
franta-hg@2: 
franta-hg@39: 	public static final String LEXICAL_HANDLER_PROPERTY = "http://xml.org/sax/properties/lexical-handler";
franta-hg@30: 	private static final Logger log = Logger.getLogger(CLI.class.getName());
franta-hg@28: 
franta-hg@30: 	public static void main(String[] args) {
franta-hg@16: 
franta-hg@30: 		try {
franta-hg@30: 			File vstup = new File(args[0]);
franta-hg@30: 			OutputStream výstup = System.out;
franta-hg@16: 
franta-hg@30: 			/**
franta-hg@30: 			 * Serializujeme data do XML.
franta-hg@30: 			 * To normálně vůbec není potřeba – data se do tvaru proudu obsahujícího ostré závorky
franta-hg@30: 			 * vůbec nedostanou – zpracováváme události (volání javovských metod – začátky a konce
franta-hg@30: 			 * elementů atd.)
franta-hg@30: 			 * a z nich např. deserializujeme nějaké naše objekty, provádíme nějaké akce, nebo třeba
franta-hg@30: 			 * stavíme DOM.
franta-hg@30: 			 */
franta-hg@30: 			XMLOutputFactory xmlOutputFactory = XMLOutputFactory.newFactory();
franta-hg@30: 			XMLStreamWriter w = xmlOutputFactory.createXMLStreamWriter(výstup);
franta-hg@30: 			DefaultHandler h = new EchoContentHandler(w);
franta-hg@30: 
franta-hg@31: 			SAXParserFactory t = SAXParserFactory.newInstance();
franta-hg@30: 			SAXParser p = t.newSAXParser();
franta-hg@39: 
franta-hg@39: 			if (h instanceof LexicalHandler
franta-hg@39: 					// TODO: add option/feature to disable LexicalHandler registration
franta-hg@39: 					&& false) {
franta-hg@39: 				try {
franta-hg@39: 					p.setProperty(LEXICAL_HANDLER_PROPERTY, h);
franta-hg@39: 				} catch (Exception e) {
franta-hg@39: 					log.log(Level.WARNING, "LexicalHandler registration exception:", e);
franta-hg@39: 					log.log(Level.WARNING,
franta-hg@39: 							"Tried to register the handler {0} as a LexicalHandler but LexicalHandlers are not supported by the parser {1}",
franta-hg@39: 							new Object[]{h, p});
franta-hg@39: 				}
franta-hg@39: 			}
franta-hg@39: 
franta-hg@30: 			p.parse(vstup, h);
franta-hg@30: 		} catch (Exception e) {
franta-hg@30: 			log.log(Level.SEVERE, "Error during processing: " + Arrays.toString(args), e);
franta-hg@30: 		}
franta-hg@21: 
franta-hg@2: 	}
franta-hg@2: }