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@43: import cz.frantovo.alt2xml.out.Action;
franta-hg@43: import cz.frantovo.alt2xml.out.ActionContext;
franta-hg@43: import cz.frantovo.alt2xml.out.ActionFactory;
franta-hg@21: import java.io.File;
franta-hg@2: import java.io.OutputStream;
franta-hg@30: import java.util.Arrays;
franta-hg@43: import java.util.HashMap;
franta-hg@43: import java.util.Map;
franta-hg@43: import java.util.ServiceLoader;
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@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@43: 			String actionCode = args[1];
franta-hg@43: 			OutputStream outputStream = System.out;
franta-hg@16: 
franta-hg@43: 			Map<String, ActionFactory> actionFactories = new HashMap<>();
franta-hg@30: 
franta-hg@43: 			for (ActionFactory f : ServiceLoader.load(ActionFactory.class)) {
franta-hg@43: 				String code = f.getActionCode();
franta-hg@43: 				actionFactories.put(code, f);
franta-hg@43: 				log.log(Level.CONFIG, "Discovered output module: {0} = {1}", new Object[]{code, f.getClass().getName()});
franta-hg@39: 			}
franta-hg@39: 
franta-hg@43: 			ActionFactory actionFactory = actionFactories.get(actionCode);
franta-hg@43: 
franta-hg@43: 			if (actionFactory == null) {
franta-hg@43: 				log.log(Level.SEVERE, "No such output action with code: {0}", actionCode);
franta-hg@43: 			} else {
franta-hg@43: 
franta-hg@43: 				ActionContext actionContext = new ActionContext(outputStream);
franta-hg@43: 				Action action = actionFactory.getAction(actionContext);
franta-hg@43: 
franta-hg@43: 				DefaultHandler defaultHandler = action.getDefaultHandler();
franta-hg@43: 				LexicalHandler lexicalHandler = action.getLexicalHandler();
franta-hg@43: 
franta-hg@43: 				SAXParserFactory t = SAXParserFactory.newInstance();
franta-hg@43: 				SAXParser p = t.newSAXParser();
franta-hg@43: 
franta-hg@43: 				if (lexicalHandler == null) {
franta-hg@43: 					log.log(Level.FINE, "No LexicalHandler provided.");
franta-hg@43: 				} else {
franta-hg@43: 					try {
franta-hg@43: 						p.setProperty(LEXICAL_HANDLER_PROPERTY, defaultHandler);
franta-hg@43: 					} catch (Exception e) {
franta-hg@43: 						log.log(Level.WARNING, "LexicalHandler registration exception:", e);
franta-hg@43: 						log.log(Level.WARNING,
franta-hg@43: 								"Tried to register the handler {0} as a LexicalHandler but LexicalHandlers are not supported by the parser {1}",
franta-hg@43: 								new Object[]{defaultHandler, p});
franta-hg@43: 					}
franta-hg@43: 				}
franta-hg@43: 
franta-hg@43: 				p.parse(vstup, defaultHandler);
franta-hg@43: 			}
franta-hg@43: 
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: }