src/net/ametros/dive/parser/XMLParser.java

   1 /* Ametros Dive Computer
   2  * Copyright (C) 2010 Geoff Johnstone
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ametros.dive.parser;
  19
  20 import net.ametros.dive.data.Dives;
  21
  22 import java.io.File;
  23 import javax.xml.XMLConstants;
  24 import javax.xml.bind.JAXBContext;
  25 import javax.xml.bind.Unmarshaller;
  26 import javax.xml.validation.Schema;
  27 import javax.xml.validation.SchemaFactory;
  28
  29
  30 /** Parser for ADC XML dive plans. */
  31 public class XMLParser implements Parser
  32 {
  33   private static final SchemaFactory sf =
  34     SchemaFactory.newInstance (XMLConstants.W3C_XML_SCHEMA_NS_URI);
  35
  36   private final Schema schema;
  37   private final JAXBContext jc;
  38
  39
  40   public XMLParser() throws Exception
  41   {
  42     schema = sf.newSchema (Dives.class.getResource ("/dives.xsd"));
  43     jc = JAXBContext.newInstance ("net.ametros.dive.data");
  44   }
  45
  46
  47   public Dives parse (File file) throws Exception
  48   {
  49     final Unmarshaller u = jc.createUnmarshaller();
  50     u.setSchema (schema);
  51
  52     return (Dives)u.unmarshal (file);
  53   }
  54 }
  55