Initial revision

From-SVN: r102074
2005-07-16 00:30:23 +00:00
parent 6f4434b39b
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+/* DomDOMException.java -- 
+   Copyright (C) 1999,2000,2001,2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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, or (at your option)
+any later version.
+
+GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.xml.dom;
+
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Node;
+
+/**
+ * <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 
+ */
+public class DomDOMException
+  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 DomDOMException(short code)
+  {
+    super(code, diagnostic(code));
+  }
+  
+  /**
+   * Constructs an exception, with the diagnostic message
+   * corresponding to the specified code and additional
+   * information as provided.
+   */
+  public DomDOMException(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.";
+      case TYPE_MISMATCH_ERR:
+        return "The type of the argument is incompatible with the expected type.";
+      }
+    return "Reserved exception number: " + code;
+  }
+
+}
+