gomp-20050608-branch/libjava/classpath/gnu/xml/dom/DomDOMException.java

   1 /* DomDOMException.java --
   2    Copyright (C) 1999,2000,2001,2004 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., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 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 org.w3c.dom.DOMException;
  41 import org.w3c.dom.Node;
  42
  43 /**
  44  * <p> DOMException implementation.   The version that
  45  * is provided by the W3C is abstract, so it can't be instantiated.
  46  *
  47  * <p> This also provides a bit more information about the error
  48  * that is being reported, in terms of the relevant DOM structures
  49  * and data.
  50  *
  51  * @author David Brownell
  52  */
  53 public class DomDOMException
  54   extends DOMException
  55 {
  56
  57   /** @serial Data that caused an error to be reported */
  58   private String data;
  59
  60   /** @serial Node associated with the error. */
  61   private Node node;
  62
  63   /** @serial Data associated with the error. */
  64   private int value;
  65
  66   /**
  67    * Constructs an exception, with the diagnostic message
  68    * corresponding to the specified code.
  69    */
  70   public DomDOMException(short code)
  71   {
  72     super(code, diagnostic(code));
  73   }
  74
  75   /**
  76    * Constructs an exception, with the diagnostic message
  77    * corresponding to the specified code and additional
  78    * information as provided.
  79    */
  80   public DomDOMException(short code, String data, Node node, int value)
  81   {
  82     super(code, diagnostic(code));
  83     this.data = data;
  84     this.node = node;
  85     this.value = value;
  86   }
  87
  88   /** Returns the node to which the diagnotic applies, or null. */
  89   final public Node getNode()
  90   {
  91     return node;
  92   }
  93
  94   /** Returns data to which the diagnotic applies, or null. */
  95   final public String getData()
  96   {
  97     return data;
  98   }
  99
 100   /** Returns data to which the diagnotic applies, or null. */
 101   final public int getValue()
 102   {
 103     return value;
 104   }
 105
 106   /**
 107    * Returns a diagnostic message that may be slightly more useful
 108    * than the generic one, where possible.
 109    */
 110   public String getMessage()
 111   {
 112     String retval = super.getMessage();
 113
 114     if (data != null)
 115       {
 116         retval += "\nMore Information: " + data;
 117       }
 118     if (value != 0)
 119       {
 120         retval += "\nNumber: " + value;
 121       }
 122     if (node != null)
 123       {
 124         retval += "\nNode Name: " + node.getNodeName();
 125       }
 126     return retval;
 127   }
 128
 129   // these strings should be localizable.
 130
 131   private static String diagnostic(short code)
 132   {
 133     switch (code)
 134       {
 135         // DOM L1:
 136       case INDEX_SIZE_ERR:
 137         return "An index or size is out of range.";
 138       case DOMSTRING_SIZE_ERR:
 139         return "A string is too big.";
 140       case HIERARCHY_REQUEST_ERR:
 141         return "The node doesn't belong here.";
 142       case WRONG_DOCUMENT_ERR:
 143         return "The node belongs in another document.";
 144       case INVALID_CHARACTER_ERR:
 145         return "That character is not permitted.";
 146       case NO_DATA_ALLOWED_ERR:
 147         return "This node does not permit data.";
 148       case NO_MODIFICATION_ALLOWED_ERR:
 149         return "No changes are allowed.";
 150       case NOT_FOUND_ERR:
 151         return "The node was not found in that context.";
 152       case NOT_SUPPORTED_ERR:
 153         return "That object is not supported.";
 154       case INUSE_ATTRIBUTE_ERR:
 155         return "The attribute belongs to a different element.";
 156
 157         // DOM L2:
 158       case INVALID_STATE_ERR:
 159         return "The object is not usable.";
 160       case SYNTAX_ERR:
 161         return "An illegal string was provided.";
 162       case INVALID_MODIFICATION_ERR:
 163         return "An object's type may not be changed.";
 164       case NAMESPACE_ERR:
 165         return "The operation violates XML Namespaces.";
 166       case INVALID_ACCESS_ERR:
 167         return "Parameter or operation isn't supported by this node.";
 168       case TYPE_MISMATCH_ERR:
 169         return "The type of the argument is incompatible with the expected type.";
 170       }
 171     return "Reserved exception number: " + code;
 172   }
 173
 174 }
 175