Examples of org.w3c.dom.DOMException

org.w3c.dom.DOMException
DOM operations only raise exceptions in "exceptional" circumstances, i.e., when an operation is impossible to perform (either for logical reasons, because data is lost, or because the implementation has become unstable). In general, DOM methods return specific error values in ordinary processing situations, such as out-of-bound errors when using NodeList .
Implementations may raise other exceptions under other circumstances. For example, implementations may raise an implementation-dependent exception if a null argument is passed.
Some languages and object systems do not support the concept of exceptions. For such systems, error conditions may be indicated using native error reporting mechanisms. For some bindings, for example, methods may return error codes similar to those listed in the corresponding method descriptions.

        if (m_doc != null) {
        
            // Check that the context node is owned by the same document
            if ((contextNode != m_doc) && (!contextNode.getOwnerDocument().equals(m_doc))) {
                String fmsg = XPATHMessages.createXPATHMessage(XPATHErrorResources.ER_WRONG_DOCUMENT, null);       
                throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, fmsg);
            }
            
            // Check that the context node is an acceptable node type
            short nodeType = contextNode.getNodeType();
            if ((nodeType != Document.DOCUMENT_NODE) &&
                (nodeType != Document.ELEMENT_NODE) && 
                (nodeType != Document.ATTRIBUTE_NODE) &&
                (nodeType != Document.TEXT_NODE) &&
                (nodeType != Document.CDATA_SECTION_NODE) &&
                (nodeType != Document.COMMENT_NODE) &&
                (nodeType != Document.PROCESSING_INSTRUCTION_NODE) &&
                (nodeType != XPathNamespace.XPATH_NAMESPACE_NODE)) {
                    String fmsg = XPATHMessages.createXPATHMessage(XPATHErrorResources.ER_WRONG_NODETYPE, null);       
                    throw new DOMException(DOMException.NOT_SUPPORTED_ERR, fmsg);
            }
        }
            
        //     
        // If the type is not a supported type, throw an exception and be

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    /**
     * @see org.w3c.dom.Node#cloneNode(boolean)
     */
    public Node cloneNode(boolean arg0) {
        throw new DOMException(DOMException.NOT_SUPPORTED_ERR,null);
    }

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    } catch (TransformerException e) {
      // Need to pass back exception code DOMException.NAMESPACE_ERR also.
      // Error found in DOM Level 3 XPath Test Suite.
      if(e instanceof XPathStylesheetDOM3Exception)
        throw new DOMException(DOMException.NAMESPACE_ERR,e.getMessageAndLocation());
      else
        throw new XPathException(XPathException.INVALID_EXPRESSION_ERR,e.getMessageAndLocation());
        
    }
  }

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     *
     * @see com.sun.org.apache.xml.internal.utils.PrefixResolver#getNamespaceForPrefix(String, Node)
     */
    public String getNamespaceForPrefix(String prefix, Node context) {
            String fmsg = XPATHMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_RESOLVER, null);       
            throw new DOMException(DOMException.NAMESPACE_ERR, fmsg);   // Unable to resolve prefix with null prefix resolver.         
    }

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         }
         Node xpathnode = xpathElement.getChildNodes().item(0);
         String str=CachedXPathFuncHereAPI.getStrFromNode(xpathnode);
         input.setNeedsToBeExpanded(needsCircunvent(str));
         if (xpathnode == null) {
           throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR,
                                  "Text must be in ds:Xpath");
        }




         input.addNodeFilter(new XPathNodeFilter( xpathElement, xpathnode, str));

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            // At least one Reference must be present. Bad.
            Object exArgs[] = { Constants._TAG_REFERENCE,
                                Constants._TAG_MANIFEST };


            throw new DOMException(DOMException.WRONG_DOCUMENT_ERR,
                                   I18n.translate("xml.WrongContent", exArgs));
         }
      }


      // create Vector

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        list.add(index, newChild);
      }


      return newChild;
    } else {
      throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR,
          "Children not allowed for this node: " + node);
    }
  }

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      Branch branch = (Branch) node;
      List list = branch.content();
      int index = list.indexOf(oldChild);


      if (index < 0) {
        throw new DOMException(DOMException.NOT_FOUND_ERR,
            "Tried to replace a non existing child " + "for node: "
                + node);
      }


      list.set(index, newChild);


      return oldChild;
    } else {
      throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR,
          "Children not allowed for this node: " + node);
    }
  }

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      branch.remove((Node) oldChild);


      return oldChild;
    }


    throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR,
        "Children not allowed for this node: " + node);
  }

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      branch.add((Node) newChild);


      return newChild;
    }


    throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR,
        "Children not allowed for this node: " + node);
  }

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