Examples of com.microstar.xml.XmlException

com.microstar.xml.XmlException
Convenience exception class for reporting XML parsing errors.
This is an exception class that you can use to encapsulate all of the information from Ælfred's error callback. This is not necessary for routine use of Ælfred, but it is used by the optional HandlerBase class.
Note that the core Ælfred classes do not use this exception. @author Copyright (c) 1998 by Microstar Software Ltd. @author written by David Megginson <dmeggins@microstar.com> @version 1.1 @see XmlHandler#error @see HandlerBase

                        } else if (reply == ErrorHandler.CANCEL) {
                            // NOTE: Since we have to throw an XmlException for
                            // the exception to be properly handled, we communicate
                            // that it is a user cancellation with the special
                            // string pattern "*** Canceled." in the message.
                            throw new XmlException("*** Canceled.",
                                    _currentExternalEntity(), _getLineNumber(),
                                    _getColumnNumber());
                        }
                    } else {
                        // No handler.  Throw the original exception.
                        throw ex;
                    }
                }
            }
        }


        // Process delete requests that have accumulated in
        // this element.
        if (_deleteRequests != null) {
            Iterator requests = _deleteRequests.iterator();


            while (requests.hasNext()) {
                DeleteRequest request = (DeleteRequest) requests.next();


                // Be sure to use the handler if these fail so that
                // we continue to the next link requests.
                try {
                    request.execute();
                } catch (Exception ex) {
                    if (_handler != null) {
                        int reply = _handler.handleError(request.toString(),
                                _current, ex);


                        if (reply == ErrorHandler.CONTINUE) {
                            continue;
                        } else if (reply == ErrorHandler.CANCEL) {
                            // NOTE: Since we have to throw an XmlException for
                            // the exception to be properly handled, we communicate
                            // that it is a user cancellation with the special
                            // string pattern "*** Canceled." in the message.
                            throw new XmlException("*** Canceled.",
                                    _currentExternalEntity(), _getLineNumber(),
                                    _getColumnNumber());
                        }
                    } else {
                        // No handler.  Throw the original exception.

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     */
    private void _processUnlink(String relation1Name, String relation2Name)
            throws XmlException, IllegalActionException {
        // Check that required arguments are given
        if ((relation1Name == null) || (relation2Name == null)) {
            throw new XmlException("Element unlink requires two relations.",
                    _currentExternalEntity(), _getLineNumber(),
                    _getColumnNumber());
        }


        CompositeEntity context = (CompositeEntity) _current;

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        if (relationName != null) {
            countArgs++;
        }


        if (countArgs != 1) {
            throw new XmlException("Element unlink requires exactly one of "
                    + "an index, an insideIndex, or a relation.",
                    _currentExternalEntity(), _getLineNumber(),
                    _getColumnNumber());
        }

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        // Now we are assured that name is relative.
        result = _current.getAttribute(name);


        if (result == null) {
            throw new XmlException("No such property: " + name + " in "
                    + currentName, _currentExternalEntity(), _getLineNumber(),
                    _getColumnNumber());
        }


        return result;

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        if (_current instanceof Entity) {
            result = ((Entity) _current).getPort(name);
        }


        if (result == null) {
            throw new XmlException("No such port: " + name + " in "
                    + topLevelName, _currentExternalEntity(), _getLineNumber(),
                    _getColumnNumber());
        }


        return result;

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        if (_current instanceof CompositeEntity) {
            result = ((CompositeEntity) _current).getRelation(name);
        }


        if (result == null) {
            throw new XmlException("No such relation: " + name + " in "
                    + topLevelName, _currentExternalEntity(), _getLineNumber(),
                    _getColumnNumber());
        }


        return result;

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     *  @param column The approximate column number of the error.
     *  @exception XmlException If called.
     */
    public void error(String message, String systemID, int line, int column)
            throws XmlException {
        throw new XmlException(message, _currentExternalEntity(), line, column);
    }

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            if (ex instanceof XmlException) {
                throw (XmlException) ex;
            } else {
                String msg = "XML element \"" + elementName
                        + "\" triggers exception:\n  " + ex.toString();
                throw new XmlException(msg, _currentExternalEntity(), _parser
                        .getLineNumber(), _parser.getColumnNumber());
            }
        }
        _attributes.clear();
    }

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     *  @exception XmlException If the object parameter is null.
     */
    protected void _checkForNull(Object object, String message)
            throws XmlException {
        if (object == null) {
            throw new XmlException(message, _currentExternalEntity(), _parser
                    .getLineNumber(), _parser.getColumnNumber());
        }
    }

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                parser.parse(base, bin);
            } catch (Exception ex) {
                String msg;


                if (ex instanceof XmlException) {
                    XmlException xmlex = (XmlException) ex;
                    msg = "PlotMLApplication: failed to parse PlotML data:\n"
                            + "line: " + xmlex.getLine() + ", column: "
                            + xmlex.getColumn() + "\nIn entity: "
                            + xmlex.getSystemId() + "\n";
                } else {
                    msg = "PlotMLApplication: failed to parse PlotML data:\n";
                }


                System.err.println(msg + ex.toString());

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