1 /*
   2  * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package validation;
  25 
  26 import java.io.IOException;
  27 import java.io.Reader;
  28 
  29 import javax.xml.XMLConstants;
  30 import javax.xml.transform.Source;
  31 import javax.xml.transform.dom.DOMSource;
  32 import javax.xml.transform.stream.StreamSource;
  33 import javax.xml.validation.Schema;
  34 import javax.xml.validation.SchemaFactory;
  35 import javax.xml.validation.Validator;
  36 
  37 import org.w3c.dom.Node;
  38 import org.xml.sax.SAXException;
  39 
  40 public class XMLSchemaValidator {
  41 
  42     private SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
  43     private Node node = null;
  44     private Reader schema = null;
  45 
  46     public XMLSchemaValidator(Node doc, Reader schema) {
  47         this.node = doc;
  48         this.schema = schema;
  49     }
  50 
  51     public synchronized void validate() throws SAXException, IOException {
  52 
  53         if (node == null || schema == null)
  54             return;
  55 
  56         Source schemaFile = new StreamSource(schema);
  57         Schema schema = factory.newSchema(schemaFile);
  58         Validator validator = schema.newValidator();
  59         validator.validate(new DOMSource(node));
  60     }
  61 }
  62