java/alt2xml-lib-input/src/cz/frantovo/alt2xml/ParserFactory.java
changeset 32 ecc2731a5a46
parent 19 a58dce1054af
child 34 5af9c7693d70
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/java/alt2xml-lib-input/src/cz/frantovo/alt2xml/ParserFactory.java	Sat Jun 07 22:09:32 2014 +0200
     1.3 @@ -0,0 +1,112 @@
     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;
    1.22 +
    1.23 +import java.util.Deque;
    1.24 +import java.util.LinkedList;
    1.25 +import java.util.ServiceLoader;
    1.26 +import javax.xml.parsers.ParserConfigurationException;
    1.27 +import javax.xml.parsers.SAXParser;
    1.28 +import javax.xml.parsers.SAXParserFactory;
    1.29 +import org.xml.sax.Parser;
    1.30 +import org.xml.sax.SAXException;
    1.31 +import org.xml.sax.SAXNotRecognizedException;
    1.32 +import org.xml.sax.SAXNotSupportedException;
    1.33 +import org.xml.sax.XMLReader;
    1.34 +
    1.35 +/**
    1.36 + *
    1.37 + * @author Ing. František Kučera (frantovo.cz)
    1.38 + */
    1.39 +public class ParserFactory extends SAXParserFactory implements ReaderFinder {
    1.40 +
    1.41 +	private final Deque<Alt2XmlReaderFactory> readerFactories = new LinkedList();
    1.42 +
    1.43 +	public ParserFactory() {
    1.44 +		super();
    1.45 +		for (Alt2XmlReaderFactory f : ServiceLoader.load(Alt2XmlReaderFactory.class)) {
    1.46 +			readerFactories.add(f);
    1.47 +		}
    1.48 +
    1.49 +	}
    1.50 +
    1.51 +	@Override
    1.52 +	public XMLReader findReader(String systemId) throws SAXException {
    1.53 +		for (Alt2XmlReaderFactory f : readerFactories) {
    1.54 +			if (f.canRead(systemId)) {
    1.55 +				return f.getReader();
    1.56 +			}
    1.57 +		}
    1.58 +		throw new SAXException("Iterated over " + readerFactories.size() + " and was unable to find XMLReader for SystemId: " + systemId);
    1.59 +	}
    1.60 +
    1.61 +	@Override
    1.62 +	public SAXParser newSAXParser() throws ParserConfigurationException, SAXException {
    1.63 +		return new AltSAXParser(new SuperReader(this));
    1.64 +	}
    1.65 +
    1.66 +	@Override
    1.67 +	public void setFeature(String name, boolean value) throws ParserConfigurationException, SAXNotRecognizedException, SAXNotSupportedException {
    1.68 +		throw new SAXNotSupportedException("Zatím není podporováno.");
    1.69 +	}
    1.70 +
    1.71 +	@Override
    1.72 +	public boolean getFeature(String name) throws ParserConfigurationException, SAXNotRecognizedException, SAXNotSupportedException {
    1.73 +		throw new SAXNotSupportedException("Zatím není podporováno.");
    1.74 +	}
    1.75 +
    1.76 +	private static class AltSAXParser extends SAXParser {
    1.77 +
    1.78 +		private XMLReader xmlReader;
    1.79 +
    1.80 +		public AltSAXParser(XMLReader xmlReader) {
    1.81 +			this.xmlReader = xmlReader;
    1.82 +		}
    1.83 +
    1.84 +		@Override
    1.85 +		@Deprecated
    1.86 +		public Parser getParser() throws SAXException {
    1.87 +			throw new SAXException("Není podporováno.");
    1.88 +		}
    1.89 +
    1.90 +		@Override
    1.91 +		public XMLReader getXMLReader() throws SAXException {
    1.92 +			return xmlReader;
    1.93 +		}
    1.94 +
    1.95 +		@Override
    1.96 +		public boolean isNamespaceAware() {
    1.97 +			return true;
    1.98 +		}
    1.99 +
   1.100 +		@Override
   1.101 +		public boolean isValidating() {
   1.102 +			return false;
   1.103 +		}
   1.104 +
   1.105 +		@Override
   1.106 +		public void setProperty(String name, Object value) throws SAXNotRecognizedException, SAXNotSupportedException {
   1.107 +			xmlReader.setProperty(name, value);
   1.108 +		}
   1.109 +
   1.110 +		@Override
   1.111 +		public Object getProperty(String name) throws SAXNotRecognizedException, SAXNotSupportedException {
   1.112 +			return xmlReader.getProperty(name);
   1.113 +		}
   1.114 +	}
   1.115 +}