buffer.append(", ");
            }
            buffer.append(getSource());
        }

        if (getLineNumber() > 0) {
            if (buffer.length() > 0) {
                buffer.append(", ");
            }
            buffer.append("line ").append(getLineNumber());
        }

        if (getColumnNumber() > 0) {
            if (buffer.length() > 0) {
                buffer.append(", ");

     * is given by {@link #getSource()}.
     *
     * @return The one-based index of the line containing the problem or a non-positive value if unknown.
     */
    int getLineNumber();

    /**
     * Gets the one-based index of the column containing the problem. The column number should refer to some text file
     * that is given by {@link #getSource()}.
     *

public interface Location {

    /**
     * Return the line number where the current event ends,
     * returns -1 if none is available.
     * @return the current line number
     */
    int getLineNumber();

    /**
     * Return the column number where the current event ends,
     * returns -1 if none is available.
     * @return the current column number
     */
    int getColumnNumber();

    /**

     * is given by {@link #getSource()}.
     *
     * @return the one-based index of the line containing the problem or a non-positive value if unknown
     */
    int getLineNumber();

    /**
     * Gets the one-based index of the column containing the problem. The column number should refer to some text file
     * that is given by {@link #getSource()}.
     *

                }
                buffer.append(problem.getSource());
            }
        }

        if (problem.getLineNumber() > 0) {
            if (buffer.length() > 0) {
                buffer.append(", ");
            }
            buffer.append("line ").append(problem.getLineNumber());
        }

        if (problem.getColumnNumber() > 0) {
            if (buffer.length() > 0) {

        int line = -1;
        int column = -1;
        String source = null;
        String modelId = null;

        if (req.getLocation() != null) {
            line = req.getLocation().getLineNumber();
            column = req.getLocation().getColumnNumber();
            if (req.getLocation().getSource() != null) {
                modelId = req.getLocation().getSource().getModelId();

        } catch (XMLStreamException e) {
            Location location = e.getLocation();
            throw new ModelParseException(
                    e.getMessage(),
                    location != null ? location.getLineNumber() : -1,
                    location != null ? location.getColumnNumber() : -1,
                    e);
        } catch (Exception e) {
            throw new IOException("Unable to transform pom", e);
        }

        this.lineNumber = lineNumber;
        this.columnNumber = columnNumber;
    }

    public ModelParserException(Throwable cause) {
        this(null, cause);
    }

    public int getLineNumber() {
        return lineNumber;
    }

    public int getColumnNumber() {
        return columnNumber;
    }

        if (line <= 0 && column <= 0 && (cause instanceof SettingsParseException)) {
            SettingsParseException e = (SettingsParseException) cause;
            line = e.getLineNumber();
            column = e.getColumnNumber();
        }

        SettingsProblem problem = new DefaultSettingsProblem(message, severity, source, line, column, cause);

        problems.add(problem);
    }

        this.columnNumber = original.columnNumber;
        this.source = original.source;
        this.locations = original.locations;
        this.importedFrom = original.importedFrom;
    }

    public int getLineNumber() {
        return lineNumber;
    }

    public int getColumnNumber() {
        return columnNumber;
    }

    public InputSource getSource() {
        return source;
    }