Examples with XPathExecutable net.sf.saxon.s9api.XPathExecutable used on opensource projects

Example 1 with XPathExecutable

use of net.sf.saxon.s9api.XPathExecutable in project jmeter by apache.

the class XPathUtil method computeAssertionResultUsingSaxon.

/**
 * @param result The result of xpath2 assertion
 * @param xmlFile XML data
 * @param xPathQuery XPath Query
 * @param namespaces Space separated set of prefix=namespace
 * @param isNegated invert result
 * @throws SaxonApiException when the parser has problems with the given xml or xpath query
 * @throws FactoryConfigurationError when the parser can not be instantiated
 */
public static void computeAssertionResultUsingSaxon(AssertionResult result, String xmlFile, String xPathQuery, String namespaces, Boolean isNegated) throws SaxonApiException, FactoryConfigurationError {
    // generating the cache key
    final ImmutablePair<String, String> key = ImmutablePair.of(xPathQuery, namespaces);
    // check the cache
    XPathExecutable xPathExecutable;
    if (StringUtils.isNotEmpty(xPathQuery)) {
        xPathExecutable = XPATH_CACHE.get(key);
    } else {
        log.warn("Error : {}", JMeterUtils.getResString("xpath2_extractor_empty_query"));
        return;
    }
    try (StringReader reader = new StringReader(xmlFile)) {
        // We could instantiate it once but might trigger issues in the future
        // Sharing of a DocumentBuilder across multiple threads is not recommended.
        // However, in the current implementation sharing a DocumentBuilder (once
        // initialized)
        // will only cause problems if a SchemaValidator is used.
        net.sf.saxon.s9api.DocumentBuilder builder = PROCESSOR.newDocumentBuilder();
        XdmNode xdmNode = builder.build(new SAXSource(new InputSource(reader)));
        if (xPathExecutable != null) {
            XPathSelector selector = null;
            try {
                Document doc;
                doc = XPathUtil.makeDocumentBuilder(false, false, false, false).newDocument();
                XObject xObject = XPathAPI.eval(doc, xPathQuery, getPrefixResolverForXPath2(doc, namespaces));
                selector = xPathExecutable.load();
                selector.setContextItem(xdmNode);
                XdmValue nodes = selector.evaluate();
                boolean resultOfEval = true;
                int length = nodes.size();
                // In case we need to extract everything
                if (length == 0) {
                    resultOfEval = false;
                } else if (xObject.getType() == XObject.CLASS_BOOLEAN) {
                    resultOfEval = Boolean.parseBoolean(nodes.itemAt(0).getStringValue());
                }
                result.setFailure(isNegated ? resultOfEval : !resultOfEval);
                result.setFailureMessage(isNegated ? "Nodes Matched for " + xPathQuery : "No Nodes Matched for " + xPathQuery);
            } catch (ParserConfigurationException | TransformerException e) {
                // NOSONAR Exception handled by return
                result.setError(true);
                result.setFailureMessage("Exception: " + e.getMessage() + " for:" + xPathQuery);
            } finally {
                if (selector != null) {
                    try {
                        selector.getUnderlyingXPathContext().setContextItem(null);
                    } catch (Exception e) {
                        // NOSONAR Ignored on purpose
                        result.setError(true);
                        result.setFailureMessage("Exception: " + e.getMessage() + " for:" + xPathQuery);
                    }
                }
            }
        }
    }
}

Example 2 with XPathExecutable

use of net.sf.saxon.s9api.XPathExecutable in project jmeter by apache.

the class XPathUtilTest method testBug63033.

@Test
public void testBug63033() throws SaxonApiException {
    Processor p = new Processor(false);
    XPathCompiler c = p.newXPathCompiler();
    c.declareNamespace("age", "http://www.w3.org/2003/01/geo/wgs84_pos#");
    String xPathQuery = "//Employees/Employee[1]/age:ag";
    XPathExecutable e = c.compile(xPathQuery);
    XPathSelector selector = e.load();
    selector.setContextItem(p.newDocumentBuilder().build(new StreamSource(new StringReader(xmlDoc))));
    XdmValue nodes = selector.evaluate();
    XdmItem item = nodes.itemAt(0);
    assertEquals("<age:ag xmlns:age=\"http://www.w3.org/2003/01/geo/wgs84_pos#\">29</age:ag>", item.toString());
}

Example 3 with XPathExecutable

use of net.sf.saxon.s9api.XPathExecutable in project jmeter by apache.

the class XPathUtil method putValuesForXPathInListUsingSaxon.

public static void putValuesForXPathInListUsingSaxon(String xmlFile, String xPathQuery, List<String> matchStrings, boolean fragment, int matchNumber, String namespaces) throws SaxonApiException, FactoryConfigurationError {
    // generating the cache key
    final ImmutablePair<String, String> key = ImmutablePair.of(xPathQuery, namespaces);
    // check the cache
    XPathExecutable xPathExecutable;
    if (StringUtils.isNotEmpty(xPathQuery)) {
        xPathExecutable = XPATH_CACHE.get(key);
    } else {
        log.warn("Error : {}", JMeterUtils.getResString("xpath2_extractor_empty_query"));
        return;
    }
    try (StringReader reader = new StringReader(xmlFile)) {
        // We could instantiate it once but might trigger issues in the future
        // Sharing of a DocumentBuilder across multiple threads is not recommended.
        // However, in the current implementation sharing a DocumentBuilder (once initialized)
        // will only cause problems if a SchemaValidator is used.
        net.sf.saxon.s9api.DocumentBuilder builder = PROCESSOR.newDocumentBuilder();
        XdmNode xdmNode = builder.build(new SAXSource(new InputSource(reader)));
        if (xPathExecutable != null) {
            XPathSelector selector = null;
            try {
                selector = xPathExecutable.load();
                selector.setContextItem(xdmNode);
                XdmValue nodes = selector.evaluate();
                int length = nodes.size();
                int indexToMatch = matchNumber;
                // In case we need to extract everything
                if (matchNumber < 0) {
                    for (XdmItem item : nodes) {
                        if (fragment) {
                            matchStrings.add(item.toString());
                        } else {
                            matchStrings.add(item.getStringValue());
                        }
                    }
                } else {
                    if (indexToMatch <= length) {
                        if (matchNumber == 0 && length > 0) {
                            indexToMatch = JMeterUtils.getRandomInt(length) + 1;
                        }
                        XdmItem item = nodes.itemAt(indexToMatch - 1);
                        matchStrings.add(fragment ? item.toString() : item.getStringValue());
                    } else {
                        if (log.isWarnEnabled()) {
                            log.warn("Error : {}{}", JMeterUtils.getResString("xpath2_extractor_match_number_failure"), indexToMatch);
                        }
                    }
                }
            } finally {
                if (selector != null) {
                    try {
                        selector.getUnderlyingXPathContext().setContextItem(null);
                    } catch (Exception e) {
                    // NOSONAR Ignored on purpose
                    // NOOP
                    }
                }
            }
        }
    }
}