Example usage for org.apache.commons.jxpath Pointer getNode

Introduction

In this page you can find the example usage for org.apache.commons.jxpath Pointer getNode.

Prototype

Object getNode();

Source Link

Document

Returns the raw value of the object, property or collection element this pointer represents.

Usage

From source file:org.chiba.xml.xforms.Container.java

/**
 * removes an EventListener//from w  w w .j  a v  a  2  s .  co m
 *
 * @param targetId      the event target
 * @param eventType     the type of Event
 * @param eventListener the listener
 * @param useCapture    true, if capture should be used for this Event
 * @throws XFormsException if eventtarget cannot be found
 */
public void removeEventListener(String targetId, String eventType, EventListener eventListener,
        boolean useCapture) throws XFormsException {
    if (this.rootContext != null) {
        Pointer pointer = this.rootContext.getPointer("//*[@id='" + targetId + "']");

        if (pointer != null) {
            EventTarget eventTarget = (EventTarget) pointer.getNode();
            eventTarget.removeEventListener(eventType, eventListener, useCapture);

            return;
        }
    }

    throw new XFormsException("event target '" + targetId + "' not found");
}

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From source file:org.chiba.xml.xforms.Container.java

/**
 * dispatches an DOM Event/*from ww  w . j  a v a 2  s .  c  o m*/
 *
 * @param targetId  the target Node for this Event
 * @param eventType the type of Event
 * @param info      an additional info object
 * @return true, if Event was cancelled by an Listener
 * @throws XFormsException if target Node cannot be found
 */
public boolean dispatch(String targetId, String eventType, Object info) throws XFormsException {
    if (this.rootContext != null) {
        Pointer pointer = this.rootContext.getPointer("//*[@id='" + targetId + "']");

        if (pointer != null) {
            EventTarget eventTarget = (EventTarget) pointer.getNode();

            return dispatch(eventTarget, eventType, info);
        }
    }

    throw new XFormsException("event target '" + targetId + "' not found");
}

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From source file:org.chiba.xml.xforms.core.Instance.java

/**
 * this method lets you access the state of individual instance data nodes.
 * each node has an associated ModelItem object which holds the current
 * status of readonly, required, validity, relevant. it also annotates the
 * DOM node with type information.//  w w w .j a va 2 s.  c  o m
 * <p/>
 * When an ModelItem does not exist already it will be created and attached
 * as useroject to its corresponding node in the instancedata.
 *
 * @param locationPath - an absolute location path pointing to some node in
 * this instance
 * @return the ModelItem for the specified node
 */
public ModelItem getModelItem(String locationPath) {
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug(this + " get model item for locationPath '" + locationPath + "'");
    }

    // ensure that node exists since getPointer is buggy
    if (!existsNode(locationPath)) {
        return null;
    }

    // lookup pointer, node, item
    this.instanceContext.getVariables().declareVariable("contextmodel", this.model.getId());
    Pointer pointer = this.instanceContext.getPointer(locationPath);
    this.instanceContext.getVariables().undeclareVariable("contextmodel");

    NodeImpl node = (NodeImpl) pointer.getNode();
    ModelItem item = (ModelItem) node.getUserData();

    if (item == null) {
        // create item
        item = createModelItem(node);

        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug(this + " get model item: created item for path '" + pointer + "'");
        }
    }

    return item;
}

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From source file:org.chiba.xml.xforms.core.Instance.java

/**
 * Returns an iterator over the specified model items.
 *
 * @param path the path selecting a set of model items.
 * @param deep include attributes and children or not.
 * @return an iterator over the specified model items.
 *//* w ww .  ja  v  a 2  s  .  c  o m*/
public Iterator iterateModelItems(String path, boolean deep) {
    // hack 1: ensure that node exists since JXPath's getPointer() is buggy
    if (!existsNode(path)) {
        return null;
    }

    // create list, fill and iterate it
    // todo: optimize with live iterator
    List list = new ArrayList();
    Pointer pointer;
    Object nested;
    NodeImpl node;
    Iterator iterator = this.instanceContext.iteratePointers(path);
    while (iterator.hasNext()) {
        pointer = (Pointer) iterator.next();

        // hack 2: when path is a plain 'instance(...)' function call without
        // any following path step, JXPath wraps the actual node pointer
        // with a fairly useless bean pointer
        if (pointer instanceof org.apache.commons.jxpath.ri.model.beans.BeanPointer) {
            nested = pointer.getNode();
            if (nested instanceof org.apache.commons.jxpath.ri.model.dom.DOMNodePointer) {
                pointer = (Pointer) nested;
            }
        }

        node = (NodeImpl) pointer.getNode();
        listModelItems(list, node, deep);
    }

    return list.iterator();
}

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From source file:org.chiba.xml.xforms.core.Model.java

private void loadLinkedSchemas(List list) throws XFormsException {
    String schemaURI = null;/*w  w  w. ja  v a2s.c  o m*/
    try {
        String schemaAttribute = getXFormsAttribute("schema");
        if (schemaAttribute != null) {
            StringTokenizer tokenizer = new StringTokenizer(schemaAttribute, " ");
            XSModel schema = null;

            while (tokenizer.hasMoreTokens()) {
                schemaURI = tokenizer.nextToken();

                if (schemaURI.startsWith("#")) {
                    // lookup fragment
                    String id = schemaURI.substring(1);
                    Pointer pointer = this.container.getRootContext().getPointer("//*[@id='" + id + "']");
                    Element element = (Element) pointer.getNode();
                    schema = loadSchema(element);
                } else {
                    // resolve URI
                    schema = loadSchema(schemaURI);
                }

                if (schema == null) {
                    throw new NullPointerException("resource not found");
                }
                list.add(schema);
            }
        }
    } catch (Exception e) {
        Map props = new HashMap(1);
        props.put(XFormsEventNames.RESOURCE_URI_PROPERTY, schemaURI);
        throw new XFormsLinkException("could not load linked schema", this.target, props);
    }
}

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From source file:org.chiba.xml.xforms.Instance.java

private Node getFinalCollectionMember(String path) {
    // instantiate cache lazily
    if (this.finalMembers == null) {
        this.finalMembers = new HashMap();
    }//from  ww  w. ja v  a  2s  .co  m

    // lookup final collection member
    Node finalMember = (Node) this.finalMembers.get(path);
    if (finalMember != null) {
        // cache hit
        return finalMember;
    }

    // search final collection member
    Pointer finalPointer = getLastPointer(getOriginalContext(), path);

    if (finalPointer == null) {
        String genericPath = PathUtil.removePredicates(path);
        finalPointer = getLastPointer(getOriginalContext(), genericPath);

        // todo: if finalPointer == null throw exception
    }

    // obtain and cache final collection member
    finalMember = (Node) finalPointer.getNode();
    this.finalMembers.put(path, finalMember);

    return finalMember;
}

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From source file:org.chiba.xml.xforms.Model.java

private void loadLinkedSchemas(List list) throws XFormsException {
    String schemaURI = null;// w  ww.  j av a 2  s  .c  om
    try {
        String schemaLocations = this.element.getAttributeNS(NamespaceCtx.XFORMS_NS, "schema");
        StringTokenizer tokenizer = new StringTokenizer(schemaLocations, " ");
        XSModel schema = null;

        while (tokenizer.hasMoreTokens()) {
            schemaURI = tokenizer.nextToken();

            if (schemaURI.startsWith("#")) {
                // lookup fragment
                String id = schemaURI.substring(1);
                Pointer pointer = this.container.getRootContext().getPointer("//*[@id='" + id + "']");
                Element element = (Element) pointer.getNode();
                schema = loadSchema(element);
            } else {
                // resolve URI
                schema = loadSchema(schemaURI);
            }

            if (schema == null) {
                throw new NullPointerException("resource not found");
            }
            list.add(schema);
        }
    } catch (Exception e) {
        throw new XFormsLinkException("could not load linked schema", this.target, schemaURI);
    }
}

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From source file:org.chiba.xml.xforms.xpath.test.JXPathTest.java

/**
 * Tests element node access.//from   ww w  .j a  v  a2 s . c om
 *
 * @throws Exception if any error occurred during the test.
 */
public void testGetElementNode() throws Exception {
    Pointer pointer = this.context.getPointer("//my:order/my:item");
    assertTrue(org.w3c.dom.Element.class.isAssignableFrom(pointer.getNode().getClass()));
}

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From source file:org.chiba.xml.xforms.xpath.test.JXPathTest.java

/**
 * Tests attribute node access./* ww  w . jav a  2s.  c o  m*/
 *
 * @throws Exception if any error occurred during the test.
 */
public void testGetAttrNode() throws Exception {
    Pointer pointer = this.context.getPointer("//my:order/@my:money");
    assertTrue(org.w3c.dom.Attr.class.isAssignableFrom(pointer.getNode().getClass()));
}

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From source file:org.firesoa.common.jxpath.JXPathTestCase.java

protected void assertXPathNodeType(JXPathContext ctx, String xpath, Class clazz) {
    ctx.setLenient(false);//from www  . j  a  va  2s . co m
    Pointer actual = ctx.getPointer(xpath);
    assertTrue("Evaluating <" + xpath + "> = " + actual.getNode().getClass(),
            clazz.isAssignableFrom(actual.getNode().getClass()));
}

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