Examples with Locator org.xml.sax.Locator used on opensource projects

Example 16 with Locator

use of org.xml.sax.Locator in project tika by apache.

the class HtmlParserTest method testLocator.

/**
     * Test case for TIKA-820:  Locator is unset for HTML parser
     *
     * @see <a href="https://issues.apache.org/jira/browse/TIKA-820">TIKA-820</a>
     */
@Test
public void testLocator() throws Exception {
    final int line = 0;
    final int col = 1;
    final int[] textPosition = new int[2];
    new HtmlParser().parse(HtmlParserTest.class.getResourceAsStream("/test-documents/testHTML.html"), new ContentHandler() {

        Locator locator;

        public void setDocumentLocator(Locator locator) {
            this.locator = locator;
        }

        public void startDocument() throws SAXException {
        }

        public void endDocument() throws SAXException {
        }

        public void startPrefixMapping(String prefix, String uri) throws SAXException {
        }

        public void endPrefixMapping(String prefix) throws SAXException {
        }

        public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {
        }

        public void endElement(String uri, String localName, String qName) throws SAXException {
        }

        public void characters(char[] ch, int start, int length) throws SAXException {
            String text = new String(ch, start, length);
            if (text.equals("Test Indexation Html") && locator != null) {
                textPosition[line] = locator.getLineNumber();
                textPosition[col] = locator.getColumnNumber();
            }
        }

        public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException {
        }

        public void processingInstruction(String target, String data) throws SAXException {
        }

        public void skippedEntity(String name) throws SAXException {
        }
    }, new Metadata(), new ParseContext());
    // The text occurs at line 24 (if lines start at 0) or 25 (if lines start at 1).
    assertEquals(24, textPosition[line]);
    // The column reported seems fuzzy, just test it is close enough.
    assertTrue(Math.abs(textPosition[col] - 47) < 10);
}