001 /**
002 * GRANITE DATA SERVICES
003 * Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 * This file is part of the Granite Data Services Platform.
006 *
007 * Granite Data Services is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * Granite Data Services is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 * USA, or see <http://www.gnu.org/licenses/>.
021 */
022
023 package org.granite.generator.gsp.token;
024
025 import org.granite.generator.gsp.ParseException;
026
027 import java.io.StringReader;
028 import java.io.IOException;
029
030 import java.util.Map;
031 import java.util.HashMap;
032
033 import org.xml.sax.Attributes;
034 import org.xml.sax.SAXException;
035 import org.xml.sax.InputSource;
036 import org.xml.sax.helpers.DefaultHandler;
037
038 import javax.xml.parsers.SAXParserFactory;
039 import javax.xml.parsers.ParserConfigurationException;
040
041 /**
042 * @author Franck WOLFF
043 */
044 public class Directive extends Token {
045
046 String name = null;
047 final Map<String, String> attributes = new HashMap<String, String>();
048
049 public Directive(int index, String content) throws ParseException {
050 super(index, content);
051 try {
052 parse(content);
053 } catch (Exception e) {
054 throw new ParseException(e);
055 }
056 }
057
058 public String getName() {
059 return name;
060 }
061
062 public Map<String, String> getAttributes() {
063 return attributes;
064 }
065
066 private void parse(String content)
067 throws SAXException, ParserConfigurationException, IOException {
068 InputSource is = new InputSource(new StringReader('<' + content + "/>"));
069 SAXParserFactory.newInstance().newSAXParser().parse(is, new Handler());
070 }
071
072 @Override
073 public String toString() {
074 return this.getClass().getName() + '[' + name + ", " + attributes + ']';
075 }
076
077 class Handler extends DefaultHandler {
078 @Override
079 public void startElement(String namespaceURI,
080 String localName,
081 String qName,
082 Attributes atts)
083 throws SAXException {
084 if (name != null)
085 throw new SAXException("illegal nested element: " + qName);
086 name = qName;
087 for (int i = 0; i < atts.getLength(); i++)
088 attributes.put(atts.getQName(i), atts.getValue(i));
089 }
090 }
091 }