Example usage for org.apache.commons.jxpath JXPathContext getRelativeContext

Introduction

In this page you can find the example usage for org.apache.commons.jxpath JXPathContext getRelativeContext.

Prototype

public abstract JXPathContext getRelativeContext(Pointer pointer);

Source Link

Document

Returns a JXPathContext that is relative to the current JXPathContext.

Usage

From source file:org.opennms.protocols.json.collector.AbstractJsonCollectionHandler.java

/**
 * Fill collection set.//from   w  w w . j ava 2 s.  com
 *
 * @param agent the agent
 * @param collectionSet the collection set
 * @param source the source
 * @param json the JSON Object
 * @throws ParseException the parse exception
 */
@SuppressWarnings("unchecked")
protected void fillCollectionSet(CollectionAgent agent, XmlCollectionSet collectionSet, XmlSource source,
        JSONObject json) throws ParseException {
    XmlCollectionResource nodeResource = new XmlSingleInstanceCollectionResource(agent);
    JXPathContext context = JXPathContext.newContext(json);
    for (XmlGroup group : source.getXmlGroups()) {
        LOG.debug("fillCollectionSet: getting resources for XML group {} using XPATH {}", group.getName(),
                group.getResourceXpath());
        Date timestamp = getTimeStamp(context, group);
        Iterator<Pointer> itr = context.iteratePointers(group.getResourceXpath());
        while (itr.hasNext()) {
            JXPathContext relativeContext = context.getRelativeContext(itr.next());
            String resourceName = getResourceName(relativeContext, group);
            LOG.debug("fillCollectionSet: processing XML resource {} of type {}", resourceName,
                    group.getResourceType());
            XmlCollectionResource collectionResource;
            if (group.getResourceType().equalsIgnoreCase(CollectionResource.RESOURCE_TYPE_NODE)) {
                collectionResource = nodeResource;
            } else {
                collectionResource = getCollectionResource(agent, resourceName, group.getResourceType(),
                        timestamp);
            }
            LOG.debug("fillCollectionSet: processing resource {}", collectionResource);
            AttributeGroupType attribGroupType = new AttributeGroupType(group.getName(), group.getIfType());
            for (XmlObject object : group.getXmlObjects()) {
                try {
                    Object obj = relativeContext.getValue(object.getXpath());
                    if (obj != null) {
                        String value = obj.toString();
                        XmlCollectionAttributeType attribType = new XmlCollectionAttributeType(object,
                                attribGroupType);
                        collectionResource.setAttributeValue(attribType, value);
                    }
                } catch (JXPathException ex) {
                    LOG.warn("Unable to get value for {}: {}", object.getXpath(), ex.getMessage());
                }
            }
            processXmlResource(collectionResource, attribGroupType);
            collectionSet.getCollectionResources().add(collectionResource);
        }
    }
}

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From source file:org.opennms.protocols.json.collector.JsonCollectorSolarisZonesIT.java

/**
 * Test to verify XPath content./*from   ww  w  . j  a v a 2s .c o m*/
 *
 * @throws Exception the exception
 */
@Test
@SuppressWarnings("unchecked")
public void testXpath() throws Exception {
    JSONObject json = MockDocumentBuilder.getJSONDocument();
    JXPathContext context = JXPathContext.newContext(json);
    Iterator<Pointer> itr = context.iteratePointers("/zones/zone");
    while (itr.hasNext()) {
        Pointer resPtr = itr.next();
        JXPathContext relativeContext = context.getRelativeContext(resPtr);
        String resourceName = (String) relativeContext.getValue("@name");
        Assert.assertNotNull(resourceName);
        String value = (String) relativeContext.getValue("parameter[@key='nproc']/@value");
        Assert.assertNotNull(Integer.valueOf(value));
    }
}

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From source file:org.xchain.framework.jxpath.JXPathContextTest.java

@Test
public void testRelativeContext() throws Exception {
    Node root = new Node("root");
    Node child = new Node("child");
    root.getChild().add(child);/*from w ww  .j  a  v  a  2 s.c om*/

    JXPathContext rootContext = JXPathContext.newContext(root);

    JXPathContext childContext = rootContext.getRelativeContext(rootContext.getPointer("/child"));

    String rootName = (String) childContext.getValue("/name");
    assertEquals("The root node has the wrong name.", "root", rootName);

    String childName = (String) childContext.getValue("name");
    assertEquals("The context node has the wrong name.", "child", childName);
}

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From source file:org.xchain.framework.lifecycle.Execution.java

/**
 * <p>Signals that we are creating a local context for context bean
 * that has the same variable and function scope as the last context
 * bean.</p>//w  w  w  .jav a 2s .  co  m
 * 
 * <p>The user can safely call this method.</p>
 * 
 * @param context the current local context.
 * @param contextPointer A Pointer to the new context bean.
 * 
 * @return the new local context that shares variables and namespace context with the previous local context,
 * but it has a new context bean.
 */
public static JXPathContext startContextPointer(JXPathContext context, Pointer contextPointer) {
    // make sure that this is the current local context.
    testCurrentLocalContext(context);

    // create the relative context.
    JXPathContext localContext = context.getRelativeContext(contextPointer);

    // push the context onto the stack.
    chainContextStack.push(localContext);

    // return the new local context.
    return localContext;
}

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From source file:pt.webdetails.cdf.dd.datasources.CdaDataSourceReader.java

protected static List<CdaDataSource> getCdaDataSources(JXPathContext docContext) {
    ArrayList<CdaDataSource> dataSources = new ArrayList<CdaDataSource>();
    //external/*from w w w  .ja v  a 2  s . c  om*/
    @SuppressWarnings("unchecked")
    Iterator<Pointer> extDataSources = docContext
            .iteratePointers("/datasources/rows[properties/name='dataAccessId']");
    while (extDataSources.hasNext()) {
        Pointer source = extDataSources.next();
        if (!(source instanceof NullPointer)) {
            dataSources.add(new CdaDataSource(docContext.getRelativeContext(source)));
        }
    }

    @SuppressWarnings("unchecked")
    Iterator<Pointer> builtInDataSources = docContext.iteratePointers("/datasources/rows[meta='CDA']");
    if (builtInDataSources.hasNext()) {
        //built-in
        String fileName = XPathUtils.getStringValue(docContext, "/filename");
        if (StringUtils.endsWith(fileName, ".wcdf")) {
            fileName = StringUtils.replace(fileName, ".wcdf", ".cda");
        } else {
            fileName = StringUtils.replace(fileName, ".cdfde", ".cda");
        }
        //just add cda name
        dataSources.add(new CdaDataSource(fileName, null));
    }

    return dataSources;
}

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From source file:pt.webdetails.cdf.dd.datasources.DataSourceReader.java

private static List<CdaDataSource> getCdaDataSources(JXPathContext docContext) {

    ArrayList<CdaDataSource> dataSources = new ArrayList<CdaDataSource>();
    //external//from w ww.ja va 2s  .com
    @SuppressWarnings("unchecked")
    Iterator<Pointer> extDataSources = docContext
            .iteratePointers("/datasources/rows[properties/name='dataAccessId']");
    while (extDataSources.hasNext()) {
        Pointer source = extDataSources.next();
        if (!(source instanceof NullPointer)) {
            dataSources.add(new CdaDataSource(docContext.getRelativeContext(source)));
        }
    }

    @SuppressWarnings("unchecked")
    Iterator<Pointer> builtInDataSources = docContext.iteratePointers("/datasources/rows[meta='CDA']");
    if (builtInDataSources.hasNext()) {
        //built-in
        String fileName = XPathUtils.getStringValue(docContext, "/filename");
        String toReplace = ".cdfde";
        String replaceWith = ".cda";
        if (StringUtils.endsWith(fileName, ".wcdf")) {
            toReplace = ".wcdf";
        }
        fileName = StringUtils.replace(fileName, toReplace, replaceWith);
        //just add cda name
        dataSources.add(new CdaDataSource(fileName, null));
        //      
        //  
        //      while(builtInDataSources.hasNext()){
        //        Pointer source = builtInDataSources.next();
        //        if(!(source instanceof NullPointer)){
        //          dataSources.add(new CdaDataSource(docContext.getRelativeContext(source), fileName));
        //        }
        //      }
    }

    return dataSources;
}

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From source file:pt.webdetails.cdf.dd.model.inst.reader.cdfdejs.CdfdeJsDashboardReader.java

private void readKind(Dashboard.Builder builder, String thingKind, JXPathContext source,
        Iterator<Pointer> componentPointers, CdfdeJsReadContext context, String sourcePath)
        throws ThingReadException {
    while (componentPointers.hasNext()) {
        Pointer componentPointer = componentPointers.next();
        JXPathContext compXP = source.getRelativeContext(componentPointer);

        String className = (String) compXP.getValue("type");

        // Ignore label components (it's OK for current needs)
        if (className == null || !className.equalsIgnoreCase("label")) {
            IThingReader reader;/*from  w  ww.j a  va2  s.c o  m*/
            try {
                reader = context.getFactory().getReader(thingKind, className, null);
            } catch (UnsupportedThingException ex) {
                logger.error("While rendering dashboard. " + ex);
                continue;
            }

            Component.Builder compBuilder = (Component.Builder) reader.read(context, compXP, sourcePath);

            builder.addComponent(compBuilder);
        }
    }
}

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From source file:pt.webdetails.cdf.dd.render.RenderLayout.java

private void renderRows(final JXPathContext doc, final Iterator nodeIterator,
        final Map<String, CdfRunJsDashboardWriteResult> widgetsByContainerId, final String alias,
        final StringBuffer layout, final int indent) throws Exception {
    while (nodeIterator.hasNext()) {
        final Pointer pointer = (Pointer) nodeIterator.next();
        final JXPathContext context = doc.getRelativeContext(pointer);

        final String rowId = (String) context.getValue("id");
        final String rowName = XPathUtils.getStringValue(context, "properties[name='name']/value");

        final Render renderer = (Render) getRender(context);
        renderer.processProperties();/*from  w  ww .j ava2s . co m*/
        renderer.aliasId(alias);
        // when rendering rows for the layout of a dashboard AMD module, skip NEWLINE and indentation
        if (indent > -1) {
            layout.append(NEWLINE).append(getIndent(indent)).append(renderer.renderStart());
            if (widgetsByContainerId != null && widgetsByContainerId.containsKey(rowName)) {
                CdfRunJsDashboardWriteResult widgetResult = widgetsByContainerId.get(rowName);
                layout.append(widgetResult.getLayout());
            } else {
                renderRows(context, context.iteratePointers(MessageFormat.format(XPATH_FILTER, rowId, "")),
                        widgetsByContainerId, alias, layout, indent + 2);
            }
            layout.append(NEWLINE).append(getIndent(indent)).append(renderer.renderClose());
        } else {
            layout.append(renderer.renderStart());
            if (widgetsByContainerId != null && widgetsByContainerId.containsKey(rowName)) {
                CdfRunJsDashboardWriteResult widgetResult = widgetsByContainerId.get(rowName);
                layout.append(widgetResult.getLayout());
            } else {
                renderRows(context, context.iteratePointers(MessageFormat.format(XPATH_FILTER, rowId, "")),
                        widgetsByContainerId, alias, layout, -1);
            }
            layout.append(renderer.renderClose());
        }
    }
}

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From source file:pt.webdetails.cdf.dd.render.RenderMobileLayout.java

private void renderRows(final JXPathContext doc, final Iterator<Pointer> nodeIterator,
        final StringBuffer layout, final int ident) throws Exception {
    while (nodeIterator.hasNext()) {
        final Pointer pointer = nodeIterator.next();
        final JXPathContext context = doc.getRelativeContext(pointer);
        final String rowId = (String) context.getValue("id");
        final Render renderer = (Render) getRender(context);

        renderer.processProperties();/*from   w ww . ja va  2s  . c o  m*/

        layout.append(NEWLINE).append(getIndent(ident));
        layout.append(renderer.renderStart());

        // Render Child Rows
        renderRows(context, context.iteratePointers(MessageFormat.format(XPATH_FILTER, rowId)), layout,
                ident + 2);

        layout.append(NEWLINE).append(getIndent(ident));
        layout.append(renderer.renderClose());
    }
}

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