}

    public InputSource getSource() {
        return source;
    }

    @Override
    public InputLocation getLocation(Object key) {
        return locations != null ? locations.get(key) : null;
    }

    public Map<Object, InputLocation> getLocations() {
        return locations;
    }

    /**
     * Gets the parent InputLocation where this InputLocation may have been imported from.

        assertEquals(location, source.getLocation());
    }

    @Test
    void testPathSourceFunctionality() {
        // Test basic source functionality
        Path path = Paths.get("/tmp");
        Sources.PathSource source = (Sources.PathSource) Sources.fromPath(path);

        assertEquals(path.normalize(), source.getPath());
        assertEquals(path.toString(), source.getLocation());

        assertEquals("", problem.getLocation());

        problem = new DefaultProblem(null, null, "SOURCE", -1, -1, null);
        assertEquals("SOURCE", problem.getLocation());

        problem = new DefaultProblem(null, null, null, 42, -1, null);
        assertEquals("line 42", problem.getLocation());

        problem = new DefaultProblem(null, null, null, -1, 127, null);

    }

    @Override
    public String getLocation() {
        return location;
    }

    /**
     * Gets the content of this source.
     *
     * @return The underlying character stream, never {@code null}.
     */
    public String getContent() {
        return content;
    }

    @Override
    public String toString() {
        return getLocation();
    }

    @Override

     * @param e the exception itself
     */
    public XmlReaderException(String message, Location location, Exception e) {
        super(message, e);
        this.location = location;
    }

    public Location getLocation() {
        return location;
    }

        this.importedFrom = null;
    }

    /**
     * Get the path/URL of the POM or {@code null} if unknown.
     *
     * @return the location
     */
    public String getLocation() {
        return this.location;
    }

    /**
     * Get the identifier of the POM in the format {@code <groupId>:<artifactId>:<version>}.
     *
     * @return the model id
     */

    @Nullable
    Reader getReader();

    @Nullable
    Transformer getTransformer();

    boolean isStrict();

    @Nullable
    String getModelId();

    @Nullable
    String getLocation();

    boolean isAddDefaultEntities();

    interface Transformer {
        /**
         * Interpolate the value read from the xml document
         *
         * @param source    The source value

    }

    @Test
    void testGetLocation() {
        StringSource source = new StringSource("Hello World!");
        assertEquals("(memory)", source.getLocation());

        source = new StringSource("Hello World!", "LOCATION");
        assertEquals("LOCATION", source.getLocation());
    }

    @Test
    void testGetContent() {
        StringSource source = new StringSource(null);
        assertEquals("", source.getContent());

    }

    @Override
    public String getLocation() {
        return url.toString();
    }

    /**
     * Gets the URL of this source.
     *
     * @return The underlying URL, never {@code null}.
     */
    public URL getUrl() {
        return url;
    }

    @Override
    public String toString() {
        return getLocation();
    }

    @Override
    public int hashCode() {

        this.hashCode = Objects.hash(path);
    }

    @Override
    public InputStream getInputStream() throws IOException {
        return Files.newInputStream(path);
    }

    @Override
    public String getLocation() {
        return path.toString();
    }

    /**
     * Gets the file of this source.
     *
     * @return The underlying file, never {@code null}.
     * @deprecated Use {@link #getPath()} instead.