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@3: package cz.frantovo.alt2xml.vstup;
franta-hg@2: 
franta-hg@2: import java.io.IOException;
franta-hg@2: import java.io.InputStreamReader;
franta-hg@4: import java.util.HashMap;
franta-hg@4: import java.util.Map;
franta-hg@2: import org.json.simple.parser.JSONParser;
franta-hg@2: import org.json.simple.parser.ParseException;
franta-hg@2: import org.xml.sax.ContentHandler;
franta-hg@2: import org.xml.sax.DTDHandler;
franta-hg@2: import org.xml.sax.EntityResolver;
franta-hg@2: import org.xml.sax.ErrorHandler;
franta-hg@2: import org.xml.sax.InputSource;
franta-hg@2: import org.xml.sax.SAXException;
franta-hg@2: import org.xml.sax.SAXNotRecognizedException;
franta-hg@2: import org.xml.sax.SAXNotSupportedException;
franta-hg@2: import org.xml.sax.XMLReader;
franta-hg@2: 
franta-hg@2: /**
franta-hg@2:  *
franta-hg@2:  * @author fiki
franta-hg@2:  */
franta-hg@11: public class JsonXMLReader implements XMLReader {
franta-hg@2: 
franta-hg@2: 	private ContentHandler contentHandler;
franta-hg@4: 	private ErrorHandler errorHandler;
franta-hg@4: 	private DTDHandler dtdHandler;
franta-hg@4: 	private EntityResolver entityResolver;
franta-hg@4: 	private Map<String, Object> konfigurace = new HashMap<>();
franta-hg@7: 	
franta-hg@2: 	@Override
franta-hg@6: 	public void parse(InputSource input) throws IOException, SAXException {
franta-hg@6: 		/**
franta-hg@6: 		 * TODO: rozpornat formát vstupu a podle toho delegovat
franta-hg@6: 		 */
franta-hg@6: 		JSONParser p = new JSONParser();
franta-hg@6: 		InputStreamReader vstup = new InputStreamReader(input.getByteStream());
franta-hg@6: 		JsonSimpleContentHandler handler = new JsonSimpleContentHandler(contentHandler);
franta-hg@6: 
franta-hg@6: 		try {
franta-hg@6: 			p.parse(vstup, handler);
franta-hg@6: 		} catch (ParseException e) {
franta-hg@6: 			throw new SAXException("Chyba při načítání JSONu", e);
franta-hg@6: 		}
franta-hg@6: 	}
franta-hg@6: 
franta-hg@6: 	@Override
franta-hg@6: 	public void parse(String systemId) throws IOException, SAXException {
franta-hg@6: 		parse(new InputSource(systemId));
franta-hg@6: 	}
franta-hg@6: 
franta-hg@6: 	@Override
franta-hg@2: 	public boolean getFeature(String name) throws SAXNotRecognizedException, SAXNotSupportedException {
franta-hg@7: 		/**
franta-hg@7: 		 * TODO: 
franta-hg@7: 		 * All XMLReaders are required to recognize 
franta-hg@7: 		 * the http://xml.org/sax/features/namespaces 
franta-hg@7: 		 * and the http://xml.org/sax/features/namespace-prefixes feature names.
franta-hg@7: 		 */
franta-hg@4: 		throw new SAXNotSupportedException("Zatím není podporováno.");
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@2: 	public void setFeature(String name, boolean value) throws SAXNotRecognizedException, SAXNotSupportedException {
franta-hg@4: 		throw new SAXNotSupportedException("Zatím není podporováno.");
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@2: 	public Object getProperty(String name) throws SAXNotRecognizedException, SAXNotSupportedException {
franta-hg@4: 		return konfigurace.get(name);
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@2: 	public void setProperty(String name, Object value) throws SAXNotRecognizedException, SAXNotSupportedException {
franta-hg@4: 		konfigurace.put(name, value);
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@4: 	public void setEntityResolver(EntityResolver entityResolver) {
franta-hg@4: 		this.entityResolver = entityResolver;
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@2: 	public EntityResolver getEntityResolver() {
franta-hg@4: 		return entityResolver;
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@4: 	public void setDTDHandler(DTDHandler dtdHandler) {
franta-hg@4: 		this.dtdHandler = dtdHandler;
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@2: 	public DTDHandler getDTDHandler() {
franta-hg@4: 		return dtdHandler;
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@4: 	public void setContentHandler(ContentHandler contentHandler) {
franta-hg@4: 		this.contentHandler = contentHandler;
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@2: 	public ContentHandler getContentHandler() {
franta-hg@2: 		return contentHandler;
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@4: 	public void setErrorHandler(ErrorHandler errorHandler) {
franta-hg@4: 		this.errorHandler = errorHandler;
franta-hg@2: 	}
franta-hg@2: 
franta-hg@2: 	@Override
franta-hg@2: 	public ErrorHandler getErrorHandler() {
franta-hg@4: 		return errorHandler;
franta-hg@2: 	}
franta-hg@2: }