libjava/gnu/xml/dom/DomDocumentBuilder.java

   1 /* DomDocumentBuilder.java --
   2    Copyright (C) 2004 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38 package gnu.xml.dom;
  39
  40 import java.io.InputStream;
  41 import java.io.IOException;
  42 import javax.xml.parsers.DocumentBuilder;
  43 import org.w3c.dom.Document;
  44 import org.w3c.dom.DOMConfiguration;
  45 import org.w3c.dom.DOMImplementation;
  46 import org.w3c.dom.ls.DOMImplementationLS;
  47 import org.w3c.dom.ls.LSInput;
  48 import org.w3c.dom.ls.LSParser;
  49 import org.xml.sax.EntityResolver;
  50 import org.xml.sax.ErrorHandler;
  51 import org.xml.sax.InputSource;
  52 import org.xml.sax.SAXException;
  53
  54 /**
  55  * Document builder using the GNU DOM Load &amp; Save implementation.
  56  *
  57  * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
  58  */
  59 class DomDocumentBuilder
  60   extends DocumentBuilder
  61 {
  62
  63   final DOMImplementation impl;
  64   final DOMImplementationLS ls;
  65   final LSParser parser;
  66
  67   DomDocumentBuilder(DOMImplementation impl,
  68                      DOMImplementationLS ls,
  69                      LSParser parser)
  70   {
  71     this.impl = impl;
  72     this.ls = ls;
  73     this.parser = parser;
  74   }
  75
  76   public boolean isNamespaceAware()
  77   {
  78     DOMConfiguration config = parser.getDomConfig();
  79     return ((Boolean) config.getParameter("namespaces")).booleanValue();
  80   }
  81
  82   public boolean isValidating()
  83   {
  84     DOMConfiguration config = parser.getDomConfig();
  85     return ((Boolean) config.getParameter("validating")).booleanValue();
  86   }
  87
  88   public boolean isXIncludeAware()
  89   {
  90     DOMConfiguration config = parser.getDomConfig();
  91     return ((Boolean) config.getParameter("xinclude-aware")).booleanValue();
  92   }
  93
  94   public void setEntityResolver(EntityResolver resolver)
  95   {
  96     DOMConfiguration config = parser.getDomConfig();
  97     config.setParameter("entity-resolver", resolver);
  98   }
  99
 100   public void setErrorHandler(ErrorHandler handler)
 101   {
 102     DOMConfiguration config = parser.getDomConfig();
 103     config.setParameter("error-handler", handler);
 104   }
 105
 106   public DOMImplementation getDOMImplementation()
 107   {
 108     return impl;
 109   }
 110
 111   public Document newDocument()
 112   {
 113     return impl.createDocument(null, null, null);
 114   }
 115
 116   public Document parse(InputStream in)
 117     throws SAXException, IOException
 118   {
 119     LSInput input = ls.createLSInput();
 120     input.setByteStream(in);
 121     return parser.parse(input);
 122   }
 123
 124   public Document parse(InputStream in, String systemId)
 125     throws SAXException, IOException
 126   {
 127     LSInput input = ls.createLSInput();
 128     input.setByteStream(in);
 129     input.setSystemId(systemId);
 130     return parser.parse(input);
 131   }
 132
 133   public Document parse(String systemId)
 134     throws SAXException, IOException
 135   {
 136     return parser.parseURI(systemId);
 137   }
 138
 139   public Document parse(InputSource is)
 140     throws SAXException, IOException
 141   {
 142     LSInput input = ls.createLSInput();
 143     InputStream in = is.getByteStream();
 144     if (in != null)
 145       {
 146         input.setByteStream(in);
 147       }
 148     else
 149       {
 150         input.setCharacterStream(is.getCharacterStream());
 151       }
 152     input.setPublicId(is.getPublicId());
 153     input.setSystemId(is.getSystemId());
 154     input.setEncoding(is.getEncoding());
 155     return parser.parse(input);
 156   }
 157
 158 }
 159