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jlechner |
/* DomDOMException.java --
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Copyright (C) 1999,2000,2001,2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.xml.dom;
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import org.w3c.dom.DOMException;
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import org.w3c.dom.Node;
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/**
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* <p> DOMException implementation. The version that
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* is provided by the W3C is abstract, so it can't be instantiated.
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*
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* <p> This also provides a bit more information about the error
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* that is being reported, in terms of the relevant DOM structures
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* and data.
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*
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* @author David Brownell
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*/
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public class DomDOMException
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extends DOMException
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{
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/** @serial Data that caused an error to be reported */
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private String data;
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/** @serial Node associated with the error. */
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private Node node;
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/** @serial Data associated with the error. */
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private int value;
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/**
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* Constructs an exception, with the diagnostic message
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* corresponding to the specified code.
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*/
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public DomDOMException(short code)
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{
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super(code, diagnostic(code));
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}
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/**
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* Constructs an exception, with the diagnostic message
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* corresponding to the specified code and additional
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* information as provided.
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*/
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public DomDOMException(short code, String data, Node node, int value)
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{
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super(code, diagnostic(code));
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this.data = data;
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this.node = node;
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this.value = value;
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}
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/** Returns the node to which the diagnotic applies, or null. */
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final public Node getNode()
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{
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return node;
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}
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/** Returns data to which the diagnotic applies, or null. */
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final public String getData()
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{
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return data;
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}
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/** Returns data to which the diagnotic applies, or null. */
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final public int getValue()
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{
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return value;
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}
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/**
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* Returns a diagnostic message that may be slightly more useful
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* than the generic one, where possible.
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*/
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public String getMessage()
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{
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String retval = super.getMessage();
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if (data != null)
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{
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retval += "\nMore Information: " + data;
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}
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if (value != 0)
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{
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retval += "\nNumber: " + value;
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}
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if (node != null)
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{
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retval += "\nNode Name: " + node.getNodeName();
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}
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return retval;
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}
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// these strings should be localizable.
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private static String diagnostic(short code)
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{
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switch (code)
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{
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// DOM L1:
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case INDEX_SIZE_ERR:
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return "An index or size is out of range.";
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case DOMSTRING_SIZE_ERR:
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return "A string is too big.";
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case HIERARCHY_REQUEST_ERR:
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return "The node doesn't belong here.";
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case WRONG_DOCUMENT_ERR:
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return "The node belongs in another document.";
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case INVALID_CHARACTER_ERR:
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return "That character is not permitted.";
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case NO_DATA_ALLOWED_ERR:
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return "This node does not permit data.";
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case NO_MODIFICATION_ALLOWED_ERR:
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return "No changes are allowed.";
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case NOT_FOUND_ERR:
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return "The node was not found in that context.";
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case NOT_SUPPORTED_ERR:
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return "That object is not supported.";
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case INUSE_ATTRIBUTE_ERR:
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return "The attribute belongs to a different element.";
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// DOM L2:
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case INVALID_STATE_ERR:
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return "The object is not usable.";
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case SYNTAX_ERR:
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return "An illegal string was provided.";
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case INVALID_MODIFICATION_ERR:
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return "An object's type may not be changed.";
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case NAMESPACE_ERR:
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return "The operation violates XML Namespaces.";
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case INVALID_ACCESS_ERR:
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return "Parameter or operation isn't supported by this node.";
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case TYPE_MISMATCH_ERR:
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return "The type of the argument is incompatible with the expected type.";
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}
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return "Reserved exception number: " + code;
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}
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}
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