Example usage for org.w3c.dom Node getOwnerDocument

Introduction

In this page you can find the example usage for org.w3c.dom Node getOwnerDocument.

Prototype

public Document getOwnerDocument();

Source Link

Document

The Document object associated with this node.

Usage

From source file:org.apache.shindig.gadgets.render.RenderingGadgetRewriter.java

protected void injectBaseTag(Gadget gadget, Node headTag) {
    GadgetContext context = gadget.getContext();
    if (containerConfig.getBool(context.getContainer(), INSERT_BASE_ELEMENT_KEY)) {
        Uri base = gadget.getSpec().getUrl();
        View view = gadget.getCurrentView();
        if (view != null && view.getHref() != null) {
            base = view.getHref();/*from   www. j  a va 2s. c om*/
        }
        Element baseTag = headTag.getOwnerDocument().createElement("base");
        baseTag.setAttribute("href", base.toString());
        headTag.insertBefore(baseTag, headTag.getFirstChild());
    }
}

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From source file:org.apache.shindig.gadgets.render.RenderingGadgetRewriter.java

protected void injectOnLoadHandlers(Node bodyTag) {
    Element onloadScript = bodyTag.getOwnerDocument().createElement("script");
    bodyTag.appendChild(onloadScript);/*  www.  j  av  a 2s.co m*/
    onloadScript.appendChild(bodyTag.getOwnerDocument().createTextNode("gadgets.util.runOnLoadHandlers();"));
}

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From source file:org.apache.shindig.gadgets.render.RenderingGadgetRewriter.java

protected void injectGadgetBeacon(Gadget gadget, Node headTag, Node firstHeadChild) throws GadgetException {
    Element beaconNode = headTag.getOwnerDocument().createElement("script");
    beaconNode.setTextContent(IS_GADGET_BEACON);
    headTag.insertBefore(beaconNode, firstHeadChild);
}

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From source file:org.apache.shindig.gadgets.render.RenderingGadgetRewriter.java

/**
 * Injects javascript libraries needed to satisfy feature dependencies.
 *//* w  w w. j  a  va 2s. c  o  m*/
protected void injectFeatureLibraries(Gadget gadget, Node headTag, Node firstHeadChild) throws GadgetException {
    // TODO: If there isn't any js in the document, we can skip this. Unfortunately, that means
    // both script tags (easy to detect) and event handlers (much more complex).
    GadgetContext context = gadget.getContext();

    // Set of extern libraries requested by the container
    Set<String> externForcedLibs = defaultExternLibs;

    // gather the libraries we'll need to generate the extern libs
    String externParam = context.getParameter("libs");
    if (StringUtils.isNotBlank(externParam)) {
        externForcedLibs = Sets.newTreeSet(Arrays.asList(StringUtils.split(externParam, ':')));
    }

    if (!externForcedLibs.isEmpty()) {
        String jsUrl = jsUriManager.makeExternJsUri(gadget, externForcedLibs).toString();
        Element libsTag = headTag.getOwnerDocument().createElement("script");
        libsTag.setAttribute("src", jsUrl);
        headTag.insertBefore(libsTag, firstHeadChild);
    }

    List<String> unsupported = Lists.newLinkedList();

    List<FeatureResource> externForcedResources = featureRegistry.getFeatureResources(context, externForcedLibs,
            unsupported);
    if (!unsupported.isEmpty()) {
        LOG.info("Unknown feature(s) in extern &libs=: " + unsupported.toString());
        unsupported.clear();
    }

    // Get all resources requested by the gadget's requires/optional features.
    Map<String, Feature> featureMap = gadget.getSpec().getModulePrefs().getFeatures();
    List<String> gadgetFeatureKeys = Lists.newArrayList(gadget.getDirectFeatureDeps());
    List<FeatureResource> gadgetResources = featureRegistry.getFeatureResources(context, gadgetFeatureKeys,
            unsupported);
    if (!unsupported.isEmpty()) {
        List<String> requiredUnsupported = Lists.newLinkedList();
        for (String notThere : unsupported) {
            if (!featureMap.containsKey(notThere) || featureMap.get(notThere).getRequired()) {
                // if !containsKey, the lib was forced with Gadget.addFeature(...) so implicitly req'd.
                requiredUnsupported.add(notThere);
            }
        }
        if (!requiredUnsupported.isEmpty()) {
            throw new UnsupportedFeatureException(requiredUnsupported.toString());
        }
    }

    // Inline or externalize the gadgetFeatureKeys
    List<FeatureResource> inlineResources = Lists.newArrayList();
    List<String> allRequested = Lists.newArrayList(gadgetFeatureKeys);

    if (externalizeFeatures) {
        Set<String> externGadgetLibs = Sets.newTreeSet(featureRegistry.getFeatures(gadgetFeatureKeys));
        externGadgetLibs.removeAll(externForcedLibs);

        if (!externGadgetLibs.isEmpty()) {
            String jsUrl = jsUriManager.makeExternJsUri(gadget, externGadgetLibs).toString();
            Element libsTag = headTag.getOwnerDocument().createElement("script");
            libsTag.setAttribute("src", jsUrl);
            headTag.insertBefore(libsTag, firstHeadChild);
        }
    } else {
        inlineResources.addAll(gadgetResources);
    }

    // Calculate inlineResources as all resources that are needed by the gadget to
    // render, minus all those included through externResources.
    // TODO: profile and if needed, optimize this a bit.
    if (!externForcedLibs.isEmpty()) {
        allRequested.addAll(externForcedLibs);
        inlineResources.removeAll(externForcedResources);
    }

    // Precalculate the maximum length in order to avoid excessive garbage generation.
    int size = 0;
    for (FeatureResource resource : inlineResources) {
        if (!resource.isExternal()) {
            if (context.getDebug()) {
                size += resource.getDebugContent().length();
            } else {
                size += resource.getContent().length();
            }
        }
    }

    String libraryConfig = getLibraryConfig(gadget, featureRegistry.getFeatures(allRequested));

    // Size has a small fudge factor added to it for delimiters and such.
    StringBuilder inlineJs = new StringBuilder(size + libraryConfig.length() + INLINE_JS_BUFFER);

    // Inline any libs that weren't extern. The ugly context switch between inline and external
    // Js is needed to allow both inline and external scripts declared in feature.xml.
    for (FeatureResource resource : inlineResources) {
        String theContent = context.getDebug() ? resource.getDebugContent() : resource.getContent();
        if (resource.isExternal()) {
            if (inlineJs.length() > 0) {
                Element inlineTag = headTag.getOwnerDocument().createElement("script");
                headTag.insertBefore(inlineTag, firstHeadChild);
                inlineTag.appendChild(headTag.getOwnerDocument().createTextNode(inlineJs.toString()));
                inlineJs.setLength(0);
            }
            Element referenceTag = headTag.getOwnerDocument().createElement("script");
            referenceTag.setAttribute("src", theContent);
            headTag.insertBefore(referenceTag, firstHeadChild);
        } else {
            inlineJs.append(theContent).append(";\n");
        }
    }

    inlineJs.append(libraryConfig);

    if (inlineJs.length() > 0) {
        Element inlineTag = headTag.getOwnerDocument().createElement("script");
        headTag.insertBefore(inlineTag, firstHeadChild);
        inlineTag.appendChild(headTag.getOwnerDocument().createTextNode(inlineJs.toString()));
    }
}

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From source file:org.apache.shindig.gadgets.render.RenderingGadgetRewriter.java

/**
 * Injects message bundles into the gadget output.
 * @throws GadgetException If we are unable to retrieve the message bundle.
 *//*  w  w  w .  j  a v a 2  s .co m*/
protected void injectMessageBundles(MessageBundle bundle, Node scriptTag) throws GadgetException {
    String msgs = bundle.toJSONString();

    Text text = scriptTag.getOwnerDocument().createTextNode("gadgets.Prefs.setMessages_(");
    text.appendData(msgs);
    text.appendData(");");
    scriptTag.appendChild(text);
}

---

From source file:org.apache.shindig.gadgets.render.RenderingGadgetRewriter.java

/**
 * Injects default values for user prefs into the gadget output.
 *///from w  w  w .j  a  v a 2  s  . com
protected void injectDefaultPrefs(Gadget gadget, Node scriptTag) {
    Collection<UserPref> prefs = gadget.getSpec().getUserPrefs().values();
    Map<String, String> defaultPrefs = Maps.newHashMapWithExpectedSize(prefs.size());
    for (UserPref up : prefs) {
        defaultPrefs.put(up.getName(), up.getDefaultValue());
    }
    Text text = scriptTag.getOwnerDocument().createTextNode("gadgets.Prefs.setDefaultPrefs_(");
    text.appendData(JsonSerializer.serialize(defaultPrefs));
    text.appendData(");");
    scriptTag.appendChild(text);
}

---

From source file:org.apache.shindig.gadgets.render.RenderingGadgetRewriter.java

/**
 * Injects preloads into the gadget output.
 *
 * If preloading fails for any reason, we just output an empty object.
 *//*from  w ww.j av  a  2s .  c  o  m*/
protected void injectPreloads(Gadget gadget, Node scriptTag) {
    List<Object> preload = Lists.newArrayList();
    for (PreloadedData preloaded : gadget.getPreloads()) {
        try {
            preload.addAll(preloaded.toJson());
        } catch (PreloadException pe) {
            // This will be thrown in the event of some unexpected exception. We can move on.
            LOG.log(Level.WARNING, "Unexpected error when preloading", pe);
        }
    }
    Text text = scriptTag.getOwnerDocument().createTextNode("gadgets.io.preloaded_=");
    text.appendData(JsonSerializer.serialize(preload));
    text.appendData(";");
    scriptTag.appendChild(text);
}

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From source file:org.apache.shindig.gadgets.rewrite.AbsolutePathReferenceVisitor.java

/**
 * Returns the uri to resolve any relative url on the current page to.
 * This is equal to the base uri (in case the page has one) or the current
 * page uri./*from   www .  j  a  v  a2s. com*/
 * @param gadget The gadget (container for page) being processed.
 * @param node The current node being processed.
 * @return The uri to resolve non absolute uri's relative to.
 */
private Uri getBaseResolutionUri(Gadget gadget, Node node) {
    Uri pageUri = gadget.getSpec().getUrl();
    Uri baseUri = getBaseUri(node.getOwnerDocument());
    return baseUri != null ? baseUri : pageUri;
}

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From source file:org.apache.shindig.gadgets.templates.tags.FlashTagHandler.java

public void process(Node result, Element tag, TemplateProcessor processor) {
    SwfObjectConfig config;//w  w  w .  jav  a 2 s  .  c o m
    try {
        config = getSwfConfig(tag, processor);
    } catch (RuntimeException re) {
        // Record the processing error into the output
        Element err = result.getOwnerDocument().createElement("span");
        err.setTextContent("Failed to process os:Flash tag: " + StringEscapeUtils.escapeHtml(re.getMessage()));
        result.appendChild(err);
        return;
    }

    // Bind the security token to the flashvars if its available
    String st = processor.getTemplateContext().getGadget().getContext().getParameter("st");
    if (!StringUtils.isEmpty(st)) {
        String stVar = "st=" + Utf8UrlCoder.encode(st);
        if (StringUtils.isEmpty(config.flashvars)) {
            config.flashvars = stVar;
        } else {
            config.flashvars += '&' + stVar;
        }
    }

    // Restrict the content if sanitization is enabled
    if (processor.getTemplateContext().getGadget().sanitizeOutput()) {
        config.allowscriptaccess = SwfObjectConfig.ScriptAccess.never;
        config.swliveconnect = false;
        config.allownetworking = SwfObjectConfig.NetworkAccess.internal;
        // TODO - Implement container control over autoplay on views
    }

    // Create a div wrapper around the provided alternate content
    Element altHolder = result.getOwnerDocument().createElement("div");
    String altContentId = ALT_CONTENT_PREFIX + idGenerator.incrementAndGet();
    altHolder.setAttribute("id", altContentId);
    result.appendChild(altHolder);

    // Add the alternate content to the holder
    NodeList alternateContent = tag.getChildNodes();
    if (alternateContent.getLength() > 0) {
        processor.processChildNodes(altHolder, tag);
    }

    // Create the call to swfobject
    String swfObjectCall = buildSwfObjectCall(config, altContentId);
    Element script = result.getOwnerDocument().createElement("script");
    script.setAttribute("type", "text/javascript");
    result.appendChild(script);

    if (config.play == SwfObjectConfig.Play.immediate) {
        // Call swfobject immediately
        script.setTextContent(swfObjectCall);
    } else {
        // Add onclick handler to trigger call to swfobject
        script.setTextContent("function " + altContentId + "(){ " + swfObjectCall + " }");
        altHolder.setAttribute("onclick", altContentId + "()");
    }

    // Bypass sanitization for the holder tag and the call to swfobject
    SanitizingGadgetRewriter.bypassSanitization(altHolder, false);
    SanitizingGadgetRewriter.bypassSanitization(script, false);
    ensureSwfobject(result.getOwnerDocument(), processor);
}

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From source file:org.apache.xml.security.utils.XMLUtils.java

/**
 * This method returns the owner document of a particular node.
 * This method is necessary because it <I>always</I> returns a
 * {@link Document}. {@link Node#getOwnerDocument} returns <CODE>null</CODE>
 * if the {@link Node} is a {@link Document}.
 *
 * @param node/*w ww  .  j  a va 2s . c  o m*/
 * @return the owner document of the node
 */
public static Document getOwnerDocument(Node node) {
    if (node.getNodeType() == Node.DOCUMENT_NODE) {
        return (Document) node;
    }
    try {
        return node.getOwnerDocument();
    } catch (NullPointerException npe) {
        throw new NullPointerException(
                I18n.translate("endorsed.jdk1.4.0") + " Original message was \"" + npe.getMessage() + "\"");
    }
}

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