Example usage for javax.xml.xpath XPath setNamespaceContext

Introduction

In this page you can find the example usage for javax.xml.xpath XPath setNamespaceContext.

Prototype

public void setNamespaceContext(NamespaceContext nsContext);

Source Link

Document

Establish a namespace context.

Usage

From source file:org.apache.ode.bpel.rtrep.v1.xpath10.jaxp.JaxpXPath10ExpressionRuntime.java

private Object evaluate(OExpression cexp, EvaluationContext ctx, QName type) throws FaultException {
    try {//from www  . j a  v a 2  s . co m
        OXPath10Expression oxpath = (OXPath10Expression) cexp;
        __log.debug("JAXP runtime: evaluating " + oxpath.xpath);
        // use default XPath implementation
        XPathFactory xpf = XPathFactory.newInstance();
        __log.debug("JAXP runtime: XPathFactory impl = " + xpf.getClass());
        XPath xpe = xpf.newXPath();
        xpe.setXPathFunctionResolver(new JaxpFunctionResolver(ctx, oxpath));
        xpe.setXPathVariableResolver(new JaxpVariableResolver(ctx, oxpath));
        xpe.setNamespaceContext(oxpath.namespaceCtx);
        XPathExpression expr = xpe.compile(((OXPath10Expression) cexp).xpath);
        Object evalResult = expr
                .evaluate(ctx.getRootNode() == null ? DOMUtils.newDocument() : ctx.getRootNode(), type);
        if (evalResult != null && __log.isDebugEnabled()) {
            __log.debug("Expression " + cexp.toString() + " generated result " + evalResult + " - type="
                    + evalResult.getClass().getName());
            if (ctx.getRootNode() != null)
                __log.debug("Was using context node " + DOMUtils.domToString(ctx.getRootNode()));
        }
        return evalResult;
    } catch (XPathExpressionException e) {
        // Extracting the real cause from all this wrapping isn't a simple task
        Throwable cause = e.getCause() != null ? e.getCause() : e;
        throw new FaultException(cexp.getOwner().constants.qnSubLanguageExecutionFault, cause.getMessage(),
                cause);
    } catch (WrappedFaultException wre) {
        __log.debug("Could not evaluate expression because of ", wre);
        throw (FaultException) wre.getCause();
    } catch (Throwable t) {
        __log.debug("Could not evaluate expression because of ", t);
        throw new FaultException(cexp.getOwner().constants.qnSubLanguageExecutionFault, t.getMessage(), t);
    }

}

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From source file:org.apache.ode.bpel.rtrep.v1.xpath20.XPath20ExpressionRuntime.java

private Object evaluate(OExpression cexp, EvaluationContext ctx, QName type) throws FaultException {
    try {//  w w  w.  ja  v a2s  .  c  o m
        OXPath20ExpressionBPEL20 oxpath20 = ((OXPath20ExpressionBPEL20) cexp);
        System.setProperty("javax.xml.xpath.XPathFactory:" + NamespaceConstant.OBJECT_MODEL_SAXON,
                "net.sf.saxon.xpath.XPathFactoryImpl");
        // JAXP based XPath 1.0 runtime does not work anymore after a XPath 2.0 has been evaluated if this is set.
        // System.setProperty("javax.xml.xpath.XPathFactory:"+XPathConstants.DOM_OBJECT_MODEL,
        //        "net.sf.saxon.xpath.XPathFactoryImpl");
        System.setProperty("javax.xml.xpath.XPathFactory:" + NamespaceConstant.OBJECT_MODEL_JDOM,
                "net.sf.saxon.xpath.XPathFactoryImpl");
        System.setProperty("javax.xml.xpath.XPathFactory:" + NamespaceConstant.OBJECT_MODEL_XOM,
                "net.sf.saxon.xpath.XPathFactoryImpl");
        System.setProperty("javax.xml.xpath.XPathFactory:" + NamespaceConstant.OBJECT_MODEL_DOM4J,
                "net.sf.saxon.xpath.XPathFactoryImpl");

        XPathFactory xpf = XPathFactory.newInstance(NamespaceConstant.OBJECT_MODEL_SAXON);
        JaxpFunctionResolver funcResolver = new JaxpFunctionResolver(ctx, oxpath20);
        JaxpVariableResolver varResolver = new JaxpVariableResolver(ctx, oxpath20,
                ((XPathFactoryImpl) xpf).getConfiguration());
        xpf.setXPathFunctionResolver(funcResolver);
        xpf.setXPathVariableResolver(varResolver);
        XPath xpe = xpf.newXPath();
        xpe.setNamespaceContext(oxpath20.namespaceCtx);
        XPathExpression expr = xpe.compile(((OXPath10Expression) cexp).xpath);
        Node contextNode = ctx.getRootNode() == null ? DOMUtils.newDocument() : ctx.getRootNode();
        Object evalResult = expr.evaluate(contextNode, type);
        if (evalResult != null && __log.isDebugEnabled()) {
            __log.debug("Expression " + cexp.toString() + " generated result " + evalResult + " - type="
                    + evalResult.getClass().getName());
            if (ctx.getRootNode() != null)
                __log.debug("Was using context node " + DOMUtils.domToString(ctx.getRootNode()));
        }
        return evalResult;
    } catch (XPathExpressionException e) {
        // Extracting the real cause from all this wrapping isn't a simple task
        Throwable cause = e.getCause() != null ? e.getCause() : e;
        if (cause instanceof DynamicError) {
            Throwable th = ((DynamicError) cause).getException();
            if (th != null) {
                cause = th;
                if (cause.getCause() != null)
                    cause = cause.getCause();
            }
        }
        throw new FaultException(cexp.getOwner().constants.qnSubLanguageExecutionFault, cause.getMessage(),
                cause);
    } catch (WrappedFaultException wre) {
        __log.debug("Could not evaluate expression because of ", wre);
        throw (FaultException) wre.getCause();
    } catch (Throwable t) {
        __log.debug("Could not evaluate expression because of ", t);
        throw new FaultException(cexp.getOwner().constants.qnSubLanguageExecutionFault, t.getMessage(), t);
    }
}

---

From source file:org.apache.ode.bpel.rtrep.v2.xpath20.XPath20ExpressionRuntime.java

private Object evaluate(OExpression cexp, EvaluationContext ctx, QName type) throws FaultException {
    try {//from  www  .ja v  a 2  s.  co m
        OXPath20ExpressionBPEL20 oxpath20 = ((OXPath20ExpressionBPEL20) cexp);
        System.setProperty("javax.xml.xpath.XPathFactory:" + NamespaceConstant.OBJECT_MODEL_SAXON,
                "net.sf.saxon.xpath.XPathFactoryImpl");
        // JAXP based XPath 1.0 runtime does not work anymore after a XPath 2.0 has been evaluated if this is set.
        // System.setProperty("javax.xml.xpath.XPathFactory:"+XPathConstants.DOM_OBJECT_MODEL,
        //        "net.sf.saxon.xpath.XPathFactoryImpl");
        System.setProperty("javax.xml.xpath.XPathFactory:" + NamespaceConstant.OBJECT_MODEL_JDOM,
                "net.sf.saxon.xpath.XPathFactoryImpl");
        System.setProperty("javax.xml.xpath.XPathFactory:" + NamespaceConstant.OBJECT_MODEL_XOM,
                "net.sf.saxon.xpath.XPathFactoryImpl");
        System.setProperty("javax.xml.xpath.XPathFactory:" + NamespaceConstant.OBJECT_MODEL_DOM4J,
                "net.sf.saxon.xpath.XPathFactoryImpl");

        XPathFactory xpf = XPathFactory.newInstance(NamespaceConstant.OBJECT_MODEL_SAXON);
        JaxpFunctionResolver funcResolver = new JaxpFunctionResolver(ctx, oxpath20);
        JaxpVariableResolver varResolver = new JaxpVariableResolver(ctx, oxpath20,
                ((XPathFactoryImpl) xpf).getConfiguration());
        xpf.setXPathFunctionResolver(funcResolver);
        xpf.setXPathVariableResolver(varResolver);
        XPath xpe = xpf.newXPath();
        xpe.setNamespaceContext(oxpath20.namespaceCtx);
        XPathExpression expr = xpe.compile(((OXPath10Expression) cexp).xpath);
        Node contextNode = ctx.getRootNode() == null ? DOMUtils.newDocument() : ctx.getRootNode();
        // Create step nodes in XPath in case it is incompletely instantiated 
        if (oxpath20.insertMissingData) {
            XPath20ExpressionModifier modifier = new XPath20ExpressionModifier(oxpath20.namespaceCtx,
                    ((XPathFactoryImpl) xpf).getConfiguration().getNamePool());
            Node temp = ctx.getRootNode();
            if (temp.getLocalName().equals("message") && temp.getNamespaceURI() == null
                    && temp.getFirstChild() != null && temp.getFirstChild().getFirstChild() != null) {
                modifier.insertMissingData(expr, temp.getFirstChild().getFirstChild());
            } else {
                modifier.insertMissingData(expr, temp);
            }
        }

        Object evalResult = expr.evaluate(contextNode, type);
        if (evalResult != null && __log.isDebugEnabled()) {
            __log.debug("Expression " + cexp.toString() + " generated result " + evalResult + " - type="
                    + evalResult.getClass().getName());
            if (ctx.getRootNode() != null)
                __log.debug("Was using context node " + DOMUtils.domToString(ctx.getRootNode()));
        }
        return evalResult;
    } catch (XPathExpressionException e) {
        // Extracting the real cause from all this wrapping isn't a simple task
        Throwable cause = e.getCause() != null ? e.getCause() : e;
        if (cause instanceof DynamicError) {
            Throwable th = ((DynamicError) cause).getException();
            if (th != null) {
                cause = th;
                if (cause.getCause() != null)
                    cause = cause.getCause();
            }
        }
        throw new FaultException(cexp.getOwner().constants.qnSubLanguageExecutionFault, cause.getMessage(),
                cause);
    } catch (WrappedFaultException wre) {
        __log.debug("Could not evaluate expression because of ", wre);
        throw (FaultException) wre.getCause();
    } catch (Throwable t) {
        __log.debug("Could not evaluate expression because of ", t);
        throw new FaultException(cexp.getOwner().constants.qnSubLanguageExecutionFault, t.getMessage(), t);
    }

}

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From source file:org.apache.sling.testing.mock.osgi.OsgiMetadataUtil.java

private static NodeList queryNodes(Document metadata, String xpathQuery) {
    try {//from  www.j av  a 2  s. co m
        XPath xpath = XPATH_FACTORY.newXPath();
        xpath.setNamespaceContext(NAMESPACE_CONTEXT);
        return (NodeList) xpath.evaluate(xpathQuery, metadata, XPathConstants.NODESET);
    } catch (XPathExpressionException ex) {
        throw new RuntimeException("Error evaluating XPath: " + xpathQuery, ex);
    }
}

---

From source file:org.apache.sling.testing.mock.osgi.OsgiMetadataUtil.java

private static Node queryNode(Document metadata, String xpathQuery) {
    try {//from   ww w  . jav  a2s . c  o  m
        XPath xpath = XPATH_FACTORY.newXPath();
        xpath.setNamespaceContext(NAMESPACE_CONTEXT);
        return (Node) xpath.evaluate(xpathQuery, metadata, XPathConstants.NODE);
    } catch (XPathExpressionException ex) {
        throw new RuntimeException("Error evaluating XPath: " + xpathQuery, ex);
    }
}

---

From source file:org.apereo.portal.xml.xpath.XPathExpressionFactory.java

@Override
public synchronized Object makeObject(Object key) throws Exception {
    final String expression = (String) key;

    final XPath xPath = xPathFactory.newXPath();
    if (this.namespaceContext != null) {
        xPath.setNamespaceContext(this.namespaceContext);
    }//w  w  w.jav  a2s  .c om
    if (this.variableResolver != null) {
        xPath.setXPathVariableResolver(this.variableResolver);
    }

    logger.debug("Compiling XPathExpression from: {}", expression);

    try {
        return xPath.compile(expression);
    } catch (XPathExpressionException e) {
        throw new RuntimeException("Failed to compile XPath expression '" + expression + "'", e);
    }
}

---

From source file:org.artifactory.webapp.wicket.util.DescriptionExtractor.java

private String executeQuery(String query) {
    try {//from   w  w w.ja  v a 2s .  c  o m
        XPathFactory xFactory = XPathFactory.newInstance();
        XPath xpath = xFactory.newXPath();
        xpath.setNamespaceContext(new SchemaNamespaceContext());
        XPathExpression expr = xpath.compile(query);
        Object description = expr.evaluate(doc, XPathConstants.STRING);
        return description.toString().trim();
    } catch (XPathExpressionException e) {
        throw new RuntimeException("Failed to execute xpath query: " + query, e);
    }
}

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From source file:org.asimba.wa.integrationtest.saml2.model.Assertion.java

private void parseAttributes() {
    String xpathQuery = "/saml2p:Response/saml2:Assertion/saml2:AttributeStatement/saml2:Attribute";

    if (_responseDocument == null) {
        _logger.error("No document specified.");
        return;/*from   ww w  .j a  v a  2 s.c  o m*/
    }

    Map<String, String> attributeMap = new HashMap<>();

    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(new SimpleSAMLNamespaceContext(null));

    try {
        NodeList nodes = (NodeList) xpath.compile(xpathQuery).evaluate(_responseDocument,
                XPathConstants.NODESET);
        if (nodes != null) {
            for (int i = 0; i < nodes.getLength(); i++) {
                // get value of @Name attribute
                Node n = nodes.item(i);

                String name = n.getAttributes().getNamedItem("Name").getNodeValue();

                // get the first AttributeValue childnode
                NodeList valueNodes = n.getChildNodes();
                for (int ci = 0; ci < valueNodes.getLength(); ci++) {
                    Node cn = valueNodes.item(ci);
                    String nodename = cn.getLocalName();
                    if ("AttributeValue".equals(nodename)) {
                        String value = cn.getTextContent().trim();
                        attributeMap.put(name, value);
                    }
                }
            }
        }
    } catch (XPathExpressionException e) {
        _logger.error("Exception when getting attributes: {}", e.getMessage(), e);
        return;
    }

    _responseAttributes = attributeMap;
}

---

From source file:org.asimba.wa.integrationtest.saml2.model.Assertion.java

public Node getAssertionNode() {
    if (_responseDocument == null)
        return null;

    String xpathQuery = "/saml2p:Response/saml2:Assertion";

    XPath xpath = XPathFactory.newInstance().newXPath();
    xpath.setNamespaceContext(new SimpleSAMLNamespaceContext(null));

    try {/*from  w  w  w. jav  a  2s  .  co  m*/
        return (Node) xpath.compile(xpathQuery).evaluate(_responseDocument, XPathConstants.NODE);
    } catch (XPathExpressionException e) {
        _logger.error("Exception when processing XPath Query: {}", e.getMessage(), e);
        return null;
    }

}

---

From source file:org.atricore.idbus.capabilities.sso.support.core.signature.JSR105SamlR2SignerImpl.java

protected NodeList evaluateXPath(Document doc, String expression) throws SamlR2SignatureException {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    xpath.setNamespaceContext(getNamespaceContext());

    NodeList nl;//from w w  w  .jav  a2s.com
    try {
        XPathExpression expr = xpath.compile(expression);

        nl = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
    } catch (XPathExpressionException e) {
        throw new SamlR2SignatureException(e);
    }

    return nl;
}

---

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