Examples of org.jaxen.Context

org.jaxen.Context
Wrapper around implementation-specific objects used as the context of an expression evaluation.
NOTE: This class is not typically used directly, but is exposed for writers of implementation-specific XPath packages.

The Context bundles utilities together for evaluation of the expression. It wraps the provided objects for ease-of-passage through the expression AST.
@see ContextSupport @see BaseXPath @see org.jaxen.dom4j.Dom4jXPath XPath for dom4j @see org.jaxen.jdom.JDOMXPath XPath for JDOM @see org.jaxen.dom.DOMXPath XPath for W3C DOM @see org.jaxen.exml.ElectricXPath XPath for Electric XML @author bob mcwhirter

    }


    public List evaluate(OExpression cexp, EvaluationContext ctx) throws FaultException, EvaluationException {
        try {
            XPath compiledXPath = compile((OXPath10Expression) cexp);
            Context context = createContext((OXPath10Expression) cexp, ctx);


            List retVal = compiledXPath.selectNodes(context);


            if ((retVal.size() == 1) && !(retVal.get(0) instanceof Node)) {
                Document d = DOMUtils.newDocument();

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    private Context createContext(OXPath10Expression oxpath, EvaluationContext ctx) {
        JaxenContexts bpelSupport = new JaxenContexts(oxpath, _extensionFunctions, ctx);
        ContextSupport support = new ContextSupport(new JaxenNamespaceContextAdapter(oxpath.namespaceCtx), bpelSupport,
                bpelSupport, new BpelDocumentNavigator(ctx.getRootNode()));
        Context jctx = new Context(support);


        if (ctx.getRootNode() != null)
            jctx.setNodeSet(Collections.singletonList(ctx.getRootNode()));


        return jctx;
    }

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    public Object evaluate(Context context) throws JaxenException
    {
        List nodeSet = context.getNodeSet();
        List contextNodeSet = new ArrayList(nodeSet);
        ContextSupport support = context.getContextSupport();
        Context stepContext = new Context(support);
        Iterator stepIter = getSteps().iterator();
        while ( stepIter.hasNext() )
        {
            Step eachStep = (Step) stepIter.next();
            stepContext.setNodeSet(contextNodeSet);
            contextNodeSet = eachStep.evaluate(stepContext);
            // now we need to reverse the list if this is a reverse axis
            if (isReverseAxis(eachStep)) {
                Collections.reverse(contextNodeSet);
            }

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    }


    public List evaluate(OExpression cexp, EvaluationContext ctx) throws FaultException, EvaluationException {
        try {
            XPath compiledXPath = compile((OXPath10Expression) cexp);
            Context context = createContext((OXPath10Expression) cexp, ctx);


            List retVal = compiledXPath.selectNodes(context);


            if ((retVal.size() == 1) && !(retVal.get(0) instanceof Node)) {
                Document d = DOMUtils.newDocument();

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    private Context createContext(OXPath10Expression oxpath, EvaluationContext ctx) {
        JaxenContexts bpelSupport = new JaxenContexts(oxpath, _extensionFunctions, ctx);
        ContextSupport support = new ContextSupport(new JaxenNamespaceContextAdapter(oxpath.namespaceCtx), bpelSupport,
                bpelSupport, new BpelDocumentNavigator(ctx.getRootNode()));
        Context jctx = new Context(support);


        if (ctx.getRootNode() != null)
            jctx.setNodeSet(Collections.singletonList(ctx.getRootNode()));


        return jctx;
    }

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        }
    }


    protected Context getContext(Object contextNode)
    {
        Context context = new Context(getContextSupport());
        List list = new ArrayList(1);
        list.add(contextNode);
        context.setNodeSet(list);
        return context;
    }

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    }


    public List evaluate(OExpression cexp, EvaluationContext ctx) throws FaultException{
        try {
            XPath compiledXPath = compile((OXPath10Expression) cexp);
            Context context = createContext((OXPath10Expression) cexp, ctx);


            List retVal = compiledXPath.selectNodes(context);


            if ((retVal.size() == 1) && !(retVal.get(0) instanceof Node)) {
                Document d = DOMUtils.newDocument();

View Full Code Here


    private Context createContext(OXPath10Expression oxpath, EvaluationContext ctx) {
        JaxenContexts bpelSupport = new JaxenContexts(oxpath, _extensionFunctions, ctx);
        ContextSupport support = new ContextSupport(new JaxenNamespaceContextAdapter(oxpath.namespaceCtx), bpelSupport,
                bpelSupport, new BpelDocumentNavigator(ctx.getRootNode()));
        Context jctx = new Context(support);


        if (ctx.getRootNode() != null)
            jctx.setNodeSet(Collections.singletonList(ctx.getRootNode()));


        return jctx;
    }

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    /** Returns a locally appropriate Jaxen context given a node. */
    private Context getLocalContext(Node n) {
  // set up instance-specific contexts
        VariableContext vc = new JstlVariableContext();
        ContextSupport cs = new ContextSupport(nc, fc, vc, dn);
        Context c = new Context(cs);
        List l = new ArrayList(1);
        l.add(n);
        c.setNodeSet(l);
  return c;
    }

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    }


    public List evaluate(OExpression cexp, EvaluationContext ctx) throws FaultException {
        try {
            XPath compiledXPath = compile((OXPath10Expression) cexp);
            Context context = createContext((OXPath10Expression) cexp, ctx);


            List retVal = compiledXPath.selectNodes(context);


            if ((retVal.size() == 1) && !(retVal.get(0) instanceof Node)) {
                Document d = DOMUtils.newDocument();

View Full Code Here

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Related Classes of org.jaxen.Context

freemarker.ext.jdom.NodeListModel$JDOMXPathEx

freemarker.ext.xml._Dom4jNavigator$Dom4jXPathEx

freemarker.ext.xml._DomNavigator$DomXPathEx

freemarker.ext.xml._JdomNavigator$JDOMXPathEx

freemarker.ext.xml.Dom4jNavigator$Dom4jXPathEx

freemarker.ext.xml.DomNavigator$DomXPathEx

freemarker.ext.xml.JdomNavigator$JDOMXPathEx

org.apache.axiom.xpath.XPathTestBase

org.apache.axis2.xpath.XPathTestBase

org.apache.ode.bpel.elang.xpath10.runtime.XPath10ExpressionRuntime

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