java/alt2xml-cli/src/cz/frantovo/alt2xml/cli/CLI.java
author František Kučera <franta-hg@frantovo.cz>
Sat, 07 Jun 2014 20:32:44 +0200
changeset 30 f696e73de225
parent 28 f5e8eeffdfb5
child 31 c9f1e497132e
permissions -rw-r--r--
CLI: odchytávání výjimek
     1 /**
     2  * Alt2XML
     3  * Copyright © 2014 František Kučera (frantovo.cz)
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, either version 3 of the License, or
     8  * (at your option) any later version.
     9  *
    10  * This program is distributed in the hope that it will be useful,
    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  * GNU General Public License for more details.
    14  *
    15  * You should have received a copy of the GNU General Public License
    16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
    17  */
    18 package cz.frantovo.alt2xml.cli;
    19 
    20 import cz.frantovo.alt2xml.ParserFactory;
    21 import java.io.File;
    22 import java.io.OutputStream;
    23 import java.util.Arrays;
    24 import java.util.logging.Level;
    25 import java.util.logging.Logger;
    26 import javax.xml.parsers.SAXParser;
    27 import javax.xml.parsers.SAXParserFactory;
    28 import javax.xml.stream.XMLOutputFactory;
    29 import javax.xml.stream.XMLStreamWriter;
    30 import org.xml.sax.helpers.DefaultHandler;
    31 
    32 /**
    33  *
    34  * @author Ing. František Kučera (frantovo.cz)
    35  */
    36 public class CLI {
    37 
    38 	private static final Logger log = Logger.getLogger(CLI.class.getName());
    39 
    40 	public static void main(String[] args) {
    41 
    42 		try {
    43 			File vstup = new File(args[0]);
    44 			OutputStream výstup = System.out;
    45 
    46 			/**
    47 			 * Serializujeme data do XML.
    48 			 * To normálně vůbec není potřeba – data se do tvaru proudu obsahujícího ostré závorky
    49 			 * vůbec nedostanou – zpracováváme události (volání javovských metod – začátky a konce
    50 			 * elementů atd.)
    51 			 * a z nich např. deserializujeme nějaké naše objekty, provádíme nějaké akce, nebo třeba
    52 			 * stavíme DOM.
    53 			 */
    54 			XMLOutputFactory xmlOutputFactory = XMLOutputFactory.newFactory();
    55 			XMLStreamWriter w = xmlOutputFactory.createXMLStreamWriter(výstup);
    56 			DefaultHandler h = new EchoContentHandler(w);
    57 
    58 			SAXParserFactory t = SAXParserFactory.newInstance(ParserFactory.class.getName(), null);
    59 			//SAXParserFactory t = SAXParserFactory.newInstance();
    60 			SAXParser p = t.newSAXParser();
    61 			p.parse(vstup, h);
    62 		} catch (Exception e) {
    63 			log.log(Level.SEVERE, "Error during processing: " + Arrays.toString(args), e);
    64 		}
    65 
    66 	}
    67 }