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    1   /*
    2    * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
    3    *
    4    * This software is open source.
    5    * See the bottom of this file for the licence.
    6    */
    7
    8   package org.dom4j.io;
    9
    10  import javax.xml.parsers.DocumentBuilder;
    11  import javax.xml.parsers.DocumentBuilderFactory;
    12  import javax.xml.parsers.SAXParser;
    13  import javax.xml.parsers.SAXParserFactory;
    14
    15  import org.xml.sax.XMLReader;
    16
    17  /***
    18   * <code>JAXPHelper</code> contains some helper methods for working with JAXP.
    19   * These methods are kept in a seperate class to avoid class loading issues,
    20   * such that dom4j can work without JAXP on the CLASSPATH
    21   *
    22   * @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
    23   * @version $Revision: 1.7 $
    24   */
    25  class JAXPHelper {
    26      protected JAXPHelper() {
    27      }
    28
    29      /***
    30       * This method attempts to use JAXP to locate the SAX2 XMLReader
    31       * implementation. This method uses reflection to avoid being dependent
    32       * directly on the JAXP classes.
    33       *
    34       * @param validating
    35       *            DOCUMENT ME!
    36       * @param namespaceAware
    37       *            DOCUMENT ME!
    38       *
    39       * @return DOCUMENT ME!
    40       *
    41       * @throws Exception
    42       *             DOCUMENT ME!
    43       */
    44      public static XMLReader createXMLReader(boolean validating,
    45              boolean namespaceAware) throws Exception {
    46          SAXParserFactory factory = SAXParserFactory.newInstance();
    47          factory.setValidating(validating);
    48          factory.setNamespaceAware(namespaceAware);
    49
    50          SAXParser parser = factory.newSAXParser();
    51
    52          return parser.getXMLReader();
    53      }
    54
    55      public static org.w3c.dom.Document createDocument(boolean validating,
    56              boolean namespaceAware) throws Exception {
    57          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    58          factory.setValidating(validating);
    59          factory.setNamespaceAware(namespaceAware);
    60
    61          DocumentBuilder builder = factory.newDocumentBuilder();
    62
    63          return builder.newDocument();
    64      }
    65  }
    66
    67  /*
    68   * Redistribution and use of this software and associated documentation
    69   * ("Software"), with or without modification, are permitted provided that the
    70   * following conditions are met:
    71   *
    72   * 1. Redistributions of source code must retain copyright statements and
    73   * notices. Redistributions must also contain a copy of this document.
    74   *
    75   * 2. Redistributions in binary form must reproduce the above copyright notice,
    76   * this list of conditions and the following disclaimer in the documentation
    77   * and/or other materials provided with the distribution.
    78   *
    79   * 3. The name "DOM4J" must not be used to endorse or promote products derived
    80   * from this Software without prior written permission of MetaStuff, Ltd. For
    81   * written permission, please contact dom4j-info@metastuff.com.
    82   *
    83   * 4. Products derived from this Software may not be called "DOM4J" nor may
    84   * "DOM4J" appear in their names without prior written permission of MetaStuff,
    85   * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
    86   *
    87   * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
    88   *
    89   * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
    90   * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    91   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    92   * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
    93   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    94   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    95   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    96   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    97   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    98   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    99   * POSSIBILITY OF SUCH DAMAGE.
    100  *
    101  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
    102  */