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/*
* $Id: DomEx.java,v 1.1.1.1 2003-02-01 02:10:15 cbj Exp $
* Copyright (C) 1999-2001 David Brownell
*
* This file is part of GNU JAXP, a library.
*
* GNU JAXP is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNU JAXP is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
package gnu.xml.dom;
import org.w3c.dom.*;
// $Id: DomEx.java,v 1.1.1.1 2003-02-01 02:10:15 cbj Exp $
/**
* <p> DOMException implementation. The version that
* is provided by the W3C is abstract, so it can't be instantiated.
*
* <p> This also provides a bit more information about the error
* that is being reported, in terms of the relevant DOM structures
* and data.
*
* @author David Brownell
* @version $Date: 2003-02-01 02:10:15 $
*/
public class DomEx extends DOMException
{
/** @serial Data that caused an error to be reported */
private String data;
/** @serial Node associated with the error. */
private Node node;
/** @serial Data associated with the error. */
private int value;
/**
* Constructs an exception, with the diagnostic message
* corresponding to the specified code.
*/
public DomEx (short code)
{
super (code, diagnostic (code));
}
/**
* Constructs an exception, with the diagnostic message
* corresponding to the specified code and additional
* information as provided.
*/
public DomEx (short code, String data, Node node, int value)
{
super (code, diagnostic (code));
this.data = data;
this.node = node;
this.value = value;
}
/** Returns the node to which the diagnotic applies, or null. */
final public Node getNode () { return node; }
/** Returns data to which the diagnotic applies, or null. */
final public String getData () { return data; }
/** Returns data to which the diagnotic applies, or null. */
final public int getValue () { return value; }
/**
* Returns a diagnostic message that may be slightly more useful
* than the generic one, where possible.
*/
public String getMessage ()
{
String retval = super.getMessage ();
if (data != null)
retval += "\nMore Information: " + data;
if (value != 0)
retval += "\nNumber: " + value;
if (node != null)
retval += "\nNode Name: " + node.getNodeName ();
return retval;
}
// these strings should be localizable.
private static String diagnostic (short code)
{
switch (code) {
// DOM L1:
case INDEX_SIZE_ERR:
return "An index or size is out of range.";
case DOMSTRING_SIZE_ERR:
return "A string is too big.";
case HIERARCHY_REQUEST_ERR:
return "The node doesn't belong here.";
case WRONG_DOCUMENT_ERR:
return "The node belongs in another document.";
case INVALID_CHARACTER_ERR:
return "That character is not permitted.";
case NO_DATA_ALLOWED_ERR:
return "This node does not permit data.";
case NO_MODIFICATION_ALLOWED_ERR:
return "No changes are allowed.";
case NOT_FOUND_ERR:
return "The node was not found in that context.";
case NOT_SUPPORTED_ERR:
return "That object is not supported.";
case INUSE_ATTRIBUTE_ERR:
return "The attribute belongs to a different element.";
// DOM L2:
case INVALID_STATE_ERR:
return "The object is not usable.";
case SYNTAX_ERR:
return "An illegal string was provided.";
case INVALID_MODIFICATION_ERR:
return "An object's type may not be changed.";
case NAMESPACE_ERR:
return "The operation violates XML Namespaces.";
case INVALID_ACCESS_ERR:
return "Parameter or operation isn't supported by this node.";
}
return "Reserved exception number: " + code;
}
}
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