Examples with XPathExpressionException javax.xml.xpath.XPathExpressionException used on opensource projects

Example 6 with XPathExpressionException

use of javax.xml.xpath.XPathExpressionException in project nutz by nutzam.

the class Xmls method getEles.

/**
     * 从一个 XML 元素开始，根据一条 XPath 获取一组元素
     * 
     * @param ele
     *            XML 元素
     * @param xpath
     *            要获取的元素的 XPath
     * @return 元素列表
     */
public static List<Element> getEles(Element ele, String xpath) {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xp = factory.newXPath();
    try {
        XPathExpression expression = xp.compile(xpath);
        NodeList nodes = (NodeList) expression.evaluate(ele, XPathConstants.NODESET);
        List<Element> list = new ArrayList<Element>();
        int len = nodes.getLength();
        for (int i = 0; i < len; i++) {
            Node node = nodes.item(i);
            if (node instanceof Element) {
                list.add((Element) node);
            }
        }
        return list;
    } catch (XPathExpressionException e) {
        throw Lang.wrapThrow(e);
    }
}

Example 7 with XPathExpressionException

use of javax.xml.xpath.XPathExpressionException in project nutz by nutzam.

the class Xmls method getEle.

/**
     * 从一个 XML 元素开始，根据一条 XPath 获取一个元素
     * 
     * @param ele
     *            XML 元素
     * @param xpath
     *            要获取的元素的 XPath
     * @return 元素，null 表示不存在
     */
public static Element getEle(Element ele, String xpath) {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xp = factory.newXPath();
    try {
        XPathExpression expression = xp.compile(xpath);
        return (Element) expression.evaluate(ele, XPathConstants.NODE);
    } catch (XPathExpressionException e) {
        throw Lang.wrapThrow(e);
    }
}

Example 8 with XPathExpressionException

use of javax.xml.xpath.XPathExpressionException in project openhab1-addons by openhab.

the class IhcResourceInteractionService method resourceQuery.

/**
     * Query resource value from controller.
     * 
     * 
     * @param resoureId
     *            Resource Identifier.
     * @return Resource value.
     */
public WSResourceValue resourceQuery(int resoureId) throws IhcExecption {
    final String soapQuery = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\">" + "<soapenv:Body>" + " <ns1:getRuntimeValue1 xmlns:ns1=\"utcs\">%s</ns1:getRuntimeValue1>" + "</soapenv:Body>" + "</soapenv:Envelope>";
    String query = String.format(soapQuery, String.valueOf(resoureId));
    openConnection(url);
    String response = sendQuery(query, timeout);
    closeConnection();
    NodeList nodeList;
    try {
        nodeList = parseList(response, "/SOAP-ENV:Envelope/SOAP-ENV:Body/ns1:getRuntimeValue2");
        if (nodeList.getLength() == 1) {
            WSResourceValue val = parseResourceValue(nodeList.item(0), 2);
            if (val.getResourceID() == resoureId) {
                return val;
            } else {
                throw new IhcExecption("No resource id found");
            }
        } else {
            throw new IhcExecption("No resource value found");
        }
    } catch (XPathExpressionException e) {
        throw new IhcExecption(e);
    } catch (UnsupportedEncodingException e) {
        throw new IhcExecption(e);
    }
}

Example 9 with XPathExpressionException

use of javax.xml.xpath.XPathExpressionException in project openhab1-addons by openhab.

the class WSBaseDataType method parseValue.

public static String parseValue(String xml, String xpathExpression) throws IhcExecption {
    InputStream is;
    try {
        is = new ByteArrayInputStream(xml.getBytes("UTF8"));
    } catch (UnsupportedEncodingException e) {
        throw new IhcExecption(e);
    }
    XPath xpath = XPathFactory.newInstance().newXPath();
    InputSource inputSource = new InputSource(is);
    xpath.setNamespaceContext(new NamespaceContext() {

        @Override
        public String getNamespaceURI(String prefix) {
            if (prefix == null) {
                throw new NullPointerException("Null prefix");
            } else if ("SOAP-ENV".equals(prefix)) {
                return "http://schemas.xmlsoap.org/soap/envelope/";
            } else if ("ns1".equals(prefix)) {
                return "utcs";
            } else if ("ns2".equals(prefix)) {
                return "utcs.values";
            }
            return null;
        }

        @Override
        public String getPrefix(String uri) {
            return null;
        }

        @Override
        @SuppressWarnings("rawtypes")
        public Iterator getPrefixes(String uri) {
            throw new UnsupportedOperationException();
        }
    });
    try {
        return (String) xpath.evaluate(xpathExpression, inputSource, XPathConstants.STRING);
    } catch (XPathExpressionException e) {
        throw new IhcExecption(e);
    }
}

Example 10 with XPathExpressionException

use of javax.xml.xpath.XPathExpressionException in project robovm by robovm.

the class XPathImpl method compile.

/**
     * <p>Compile an XPath expression for later evaluation.</p>
     *
     * <p>If <code>expression</code> contains any {@link XPathFunction}s,
     * they must be available via the {@link XPathFunctionResolver}.
     * An {@link XPathExpressionException} will be thrown if the <code>XPathFunction</code>
     * cannot be resovled with the <code>XPathFunctionResolver</code>.</p>
     * 
     * <p>If <code>expression</code> is <code>null</code>, a <code>NullPointerException</code> is thrown.</p>
     *
     * @param expression The XPath expression.
     *
     * @return Compiled XPath expression.

     * @throws XPathExpressionException If <code>expression</code> cannot be compiled.
     * @throws NullPointerException If <code>expression</code> is <code>null</code>.
     */
public XPathExpression compile(String expression) throws XPathExpressionException {
    if (expression == null) {
        String fmsg = XSLMessages.createXPATHMessage(XPATHErrorResources.ER_ARG_CANNOT_BE_NULL, new Object[] { "XPath expression" });
        throw new NullPointerException(fmsg);
    }
    try {
        org.apache.xpath.XPath xpath = new XPath(expression, null, prefixResolver, org.apache.xpath.XPath.SELECT);
        // Can have errorListener
        XPathExpressionImpl ximpl = new XPathExpressionImpl(xpath, prefixResolver, functionResolver, variableResolver, featureSecureProcessing);
        return ximpl;
    } catch (javax.xml.transform.TransformerException te) {
        throw new XPathExpressionException(te);
    }
}