Example usage for org.w3c.dom Node getNextSibling

List of usage examples for org.w3c.dom Node getNextSibling

  1. HOME
  2. Java
  3. org.w3c
  4. org.w3c.dom.*
  5. Node
  6. getNextSibling

Introduction

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

Prototype

public Node getNextSibling();

Source Link

Document

The node immediately following this node.

Usage

From source file:ApplyXPathDOM.java

/** Process input args and execute the XPath.  */
public void doMain(String[] args) throws Exception {
    filename = args[0];//from   w  w w  .  j  ava 2s  .c om
    xpath = args[1];

    if ((filename != null) && (filename.length() > 0) && (xpath != null) && (xpath.length() > 0)) {
        // Tell that we're loading classes and parsing, so the time it 
        // takes to do this doesn't get confused with the time to do 
        // the actual query and serialization.
        System.out.println("Loading classes, parsing " + filename + ", and setting up serializer");

        // Set up a DOM tree to query.
        InputSource in = new InputSource(new FileInputStream(filename));
        DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
        dfactory.setNamespaceAware(true);
        Document doc = dfactory.newDocumentBuilder().parse(in);

        // Set up an identity transformer to use as serializer.
        Transformer serializer = TransformerFactory.newInstance().newTransformer();
        serializer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");

        // Use the DOM L3 XPath API to apply the xpath expression to the doc.
        System.out.println("Querying DOM using " + xpath);

        // Create an XPath evaluator and pass in the document.
        XPathEvaluator evaluator = new XPathEvaluatorImpl(doc);
        XPathNSResolver resolver = evaluator.createNSResolver(doc);

        // Evaluate the xpath expression
        XPathResult result = (XPathResult) evaluator.evaluate(xpath, doc, resolver,
                XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);

        // Serialize the found nodes to System.out.
        System.out.println("<output>");

        Node n;
        while ((n = result.iterateNext()) != null) {
            if (isTextNode(n)) {
                // DOM may have more than one node corresponding to a 
                // single XPath text node.  Coalesce all contiguous text nodes
                // at this level
                StringBuffer sb = new StringBuffer(n.getNodeValue());
                for (Node nn = n.getNextSibling(); isTextNode(nn); nn = nn.getNextSibling()) {
                    sb.append(nn.getNodeValue());
                }
                System.out.print(sb);
            } else {
                serializer.transform(new DOMSource(n), new StreamResult(new OutputStreamWriter(System.out)));
            }
            System.out.println();
        }
        System.out.println("</output>");
    } else {
        System.out.println("Bad input args: " + filename + ", " + xpath);
    }
}

From source file:com.meltmedia.cadmium.core.util.WarUtils.java

/**
 * <p>Adds a child xml element to a parent element relative to other elements with a tagname.</p>
 * <p>If first is true then the child is added before any elements with a tagname, the opposite happens when first is false.</p> 
 * @param parent The parent xml element.
 * @param child The child xml element to add.
 * @param tagname The tagname to be relative to.
 * @param first A flag that describes the relative relationship between the child element and its siblings named by tagname.
 *///from w w w .  j  av a 2s.c o m
public static void addRelativeTo(Element parent, Element child, String tagname, boolean first) {
    NodeList nodes = parent.getChildNodes();
    if (nodes.getLength() > 0) {
        Node relativeEl = null;
        boolean found = false;
        for (int i = 0; i < nodes.getLength(); i++) {
            Node node = nodes.item(i);
            if (node.getNodeType() == Node.ELEMENT_NODE) {
                Element el = (Element) node;
                if (el.getTagName().equals(tagname)) {
                    if (relativeEl == null || !first) {
                        relativeEl = el;
                    } else if (first && !found) {
                        relativeEl = el;
                    }
                    found = true;
                }
            }
        }
        if (relativeEl != null && !first) {
            relativeEl = relativeEl.getNextSibling();
        }
        if (relativeEl == null && first) {
            relativeEl = nodes.item(0);
        } else {
            parent.appendChild(child);
        }
        if (relativeEl != null) {
            parent.insertBefore(child, relativeEl);
        }
    } else {
        //There are no elements in the parent node so lets just append child.
        parent.appendChild(child);
    }
}

From source file:org.alfresco.web.config.ConfigRuntime.java

protected void insertChildAfter(Node parent, Node child, Node sibling) {
    if (sibling == null) {
        if (parent.getFirstChild() != null) {
            parent.insertBefore(child, parent.getFirstChild());
        } else {/*from   w w  w .  j a  v a 2s . c  om*/
            appendChild(parent, child);
        }
    } else {
        if (sibling.getNextSibling() == null) {
            appendChild(parent, child);
        } else {
            parent.insertBefore(child, sibling.getNextSibling());
        }
    }
}

From source file:com.crawljax.plugins.adi.Report.java

/**
 * Taken from ErrorReport./* www.  ja  va  2s .  c  om*/
 */
private Document addMarker(String id, Document doc, String xpath) {
    try {

        String prefixMarker = "###BEGINMARKER" + id + "###";
        String suffixMarker = "###ENDMARKER###";

        NodeList nodeList = XPathHelper.evaluateXpathExpression(doc, xpath);

        if (nodeList.getLength() == 0 || nodeList.item(0) == null) {
            return doc;
        }

        Node element = nodeList.item(0);

        if (element.getNodeType() == Node.ELEMENT_NODE) {
            Node beginNode = doc.createTextNode(prefixMarker);
            Node endNode = doc.createTextNode(suffixMarker);

            element.getParentNode().insertBefore(beginNode, element);
            if (element.getNextSibling() == null) {
                element.getParentNode().appendChild(endNode);
            } else {
                element.getParentNode().insertBefore(endNode, element.getNextSibling());
            }
        } else if (element.getNodeType() == Node.TEXT_NODE && element.getTextContent() != null) {
            element.setTextContent(prefixMarker + element.getTextContent() + suffixMarker);
        } else if (element.getNodeType() == Node.ATTRIBUTE_NODE) {
            element.setNodeValue(prefixMarker + element.getTextContent() + suffixMarker);
        }

        return doc;
    } catch (Exception e) {
        return doc;
    }
}

From source file:Main.java

/**
 * This method is a tree-search to help prevent against wrapping attacks. It checks that no
 * two Elements have ID Attributes that match the "value" argument, if this is the case then
 * "false" is returned. Note that a return value of "true" does not necessarily mean that
 * a matching Element has been found, just that no wrapping attack has been detected.
 *///from   w  w  w . j  ava 2s . c  o m
public static boolean protectAgainstWrappingAttack(Node startNode, String value) {
    Node startParent = startNode.getParentNode();
    Node processedNode = null;
    Element foundElement = null;

    String id = value.trim();
    if (id.charAt(0) == '#') {
        id = id.substring(1);
    }

    while (startNode != null) {
        if (startNode.getNodeType() == Node.ELEMENT_NODE) {
            Element se = (Element) startNode;

            NamedNodeMap attributes = se.getAttributes();
            if (attributes != null) {
                for (int i = 0; i < attributes.getLength(); i++) {
                    Attr attr = (Attr) attributes.item(i);
                    if (attr.isId() && id.equals(attr.getValue())) {
                        if (foundElement == null) {
                            // Continue searching to find duplicates
                            foundElement = attr.getOwnerElement();
                        } else {
                            //log.debug("Multiple elements with the same 'Id' attribute value!");
                            return false;
                        }
                    }
                }
            }
        }

        processedNode = startNode;
        startNode = startNode.getFirstChild();

        // no child, this node is done.
        if (startNode == null) {
            // close node processing, get sibling
            startNode = processedNode.getNextSibling();
        }

        // no more siblings, get parent, all children
        // of parent are processed.
        while (startNode == null) {
            processedNode = processedNode.getParentNode();
            if (processedNode == startParent) {
                return true;
            }
            // close parent node processing (processed node now)
            startNode = processedNode.getNextSibling();
        }
    }
    return true;
}

From source file:com.amalto.core.history.accessor.UnaryFieldAccessor.java

private Element internalCreate() {
    parent.create();/*from w  w w. j a  v a  2  s  . co  m*/
    Document domDocument = document.asDOM();
    Element element = getElement();
    if (element == null) {
        Element newElement = domDocument.createElementNS(domDocument.getNamespaceURI(), fieldName);
        Node parentNode = parent.getNode();
        Node lastAccessedNode = document.getLastAccessedNode();
        if (parentNode == lastAccessedNode) {
            parentNode.insertBefore(newElement, parentNode.getFirstChild());
        } else if (lastAccessedNode != null && lastAccessedNode.getParentNode() == parentNode) {
            parentNode.insertBefore(newElement, lastAccessedNode.getNextSibling());
        } else {
            parentNode.appendChild(newElement);
        }
        element = newElement;
        document.setLastAccessedNode(element);
    }
    return element;
}

From source file:com.gargoylesoftware.htmlunit.xml.XmlPage.java

/**
 * Creates an instance./* w  ww .j  a  va  2  s.c  om*/
 * A warning is logged if an exception is thrown while parsing the XML content
 * (for instance when the content is not a valid XML and can't be parsed).
 *
 * @param webResponse the response from the server
 * @param enclosingWindow the window that holds the page
 * @param ignoreSAXException Whether to ignore {@link SAXException} or throw it as {@link IOException}
 * @param handleXHTMLAsHTML if true elements from the XHTML namespace are handled as HTML elements instead of
 *     DOM elements
 * @throws IOException if the page could not be created
 */
public XmlPage(final WebResponse webResponse, final WebWindow enclosingWindow, final boolean ignoreSAXException,
        final boolean handleXHTMLAsHTML) throws IOException {
    super(webResponse, enclosingWindow);

    try {
        try {
            final Document document = XmlUtil.buildDocument(webResponse);
            node_ = document.getFirstChild();
        } catch (final SAXException e) {
            LOG.warn("Failed parsing XML document " + webResponse.getWebRequest().getUrl() + ": "
                    + e.getMessage());
            if (!ignoreSAXException) {
                throw new IOException(e.getMessage());
            }
        }
    } catch (final ParserConfigurationException e) {
        if (null == webResponse) {
            LOG.warn("Failed parsing XML empty document: " + e.getMessage());
        } else {
            LOG.warn("Failed parsing XML empty document " + webResponse.getWebRequest().getUrl() + ": "
                    + e.getMessage());
        }
    }

    Node node = node_;
    while (node != null) {
        XmlUtil.appendChild(this, this, node, handleXHTMLAsHTML);
        node = node.getNextSibling();
    }
}

From source file:com.mdt.rtm.Invoker.java

public Element invoke(Param... params) throws ServiceException {
    Element result;/*from   ww  w.j  av  a2 s .c om*/

    long timeSinceLastInvocation = System.currentTimeMillis() - lastInvocation;
    if (timeSinceLastInvocation < INVOCATION_INTERVAL) {
        // In order not to invoke the RTM service too often
        try {
            Thread.sleep(INVOCATION_INTERVAL - timeSinceLastInvocation);
        } catch (InterruptedException e) {
            throw new ServiceInternalException(
                    "Unexpected interruption while attempting to pause for some time before invoking the RTM service back",
                    e);
        }
    }

    log.debug("Invoker running at " + new Date());

    HttpClient client = new HttpClient();
    if (proxyHostName != null) {
        // Sets an HTTP proxy and the credentials for authentication
        client.getHostConfiguration().setProxy(proxyHostName, proxyPortNumber);
        if (proxyLogin != null) {
            client.getState().setProxyCredentials(AuthScope.ANY,
                    new UsernamePasswordCredentials(proxyLogin, proxyPassword));
        }
    }
    GetMethod method = new GetMethod(serviceBaseUrl + REST_SERVICE_URL_POSTFIX);
    method.setRequestHeader(HttpMethodParams.HTTP_URI_CHARSET, "UTF-8");
    NameValuePair[] pairs = new NameValuePair[params.length + 1];
    int i = 0;
    for (Param param : params) {
        log.debug("  setting " + param.getName() + "=" + param.getValue());
        pairs[i++] = param.toNameValuePair();
    }
    pairs[i++] = new NameValuePair(API_SIG_PARAM, calcApiSig(params));
    method.setQueryString(pairs);

    try {
        URI methodUri;
        try {
            methodUri = method.getURI();
            log.info("Executing the method:" + methodUri);
        } catch (URIException exception) {
            String message = "Cannot determine the URI of the web method";
            log.error(message);
            throw new ServiceInternalException(message, exception);
        }
        int statusCode = client.executeMethod(method);

        if (statusCode != HttpStatus.SC_OK) {
            log.error("Method failed: " + method.getStatusLine());
            throw new ServiceInternalException("method failed: " + method.getStatusLine());
        }

        // THINK: this method is deprecated, but the only way to get the body as a string, without consuming
        // the body input stream: the HttpMethodBase issues a warning but does not let you call the "setResponseStream()" method!
        String responseBodyAsString = method.getResponseBodyAsString();
        log.info("  Invocation response:\r\n" + responseBodyAsString);
        Document responseDoc = builder.parse(method.getResponseBodyAsStream());
        Element wrapperElt = responseDoc.getDocumentElement();
        if (!wrapperElt.getNodeName().equals("rsp")) {
            throw new ServiceInternalException(
                    "unexpected response returned by RTM service: " + responseBodyAsString);
        } else {
            String stat = wrapperElt.getAttribute("stat");
            if (stat.equals("fail")) {
                Node errElt = wrapperElt.getFirstChild();
                while (errElt != null
                        && (errElt.getNodeType() != Node.ELEMENT_NODE || !errElt.getNodeName().equals("err"))) {
                    errElt = errElt.getNextSibling();
                }
                if (errElt == null) {
                    throw new ServiceInternalException(
                            "unexpected response returned by RTM service: " + responseBodyAsString);
                } else {
                    throw new ServiceException(Integer.parseInt(((Element) errElt).getAttribute("code")),
                            ((Element) errElt).getAttribute("msg"));
                }
            } else {
                Node dataElt = wrapperElt.getFirstChild();
                while (dataElt != null && (dataElt.getNodeType() != Node.ELEMENT_NODE
                        || dataElt.getNodeName().equals("transaction") == true)) {
                    try {
                        Node nextSibling = dataElt.getNextSibling();
                        if (nextSibling == null) {
                            break;
                        } else {
                            dataElt = nextSibling;
                        }
                    } catch (IndexOutOfBoundsException exception) {
                        // Some implementation may throw this exception, instead of returning a null sibling
                        break;
                    }
                }
                if (dataElt == null) {
                    throw new ServiceInternalException(
                            "unexpected response returned by RTM service: " + responseBodyAsString);
                } else {
                    result = (Element) dataElt;
                }
            }
        }

    } catch (HttpException e) {
        throw new ServiceInternalException("", e);
    } catch (IOException e) {
        throw new ServiceInternalException("", e);
    } catch (SAXException e) {
        throw new ServiceInternalException("", e);
    } finally {
        // Release the connection.
        method.releaseConnection();
    }

    lastInvocation = System.currentTimeMillis();
    return result;
}

From source file:org.weloveastrid.hive.api.Invoker.java

public Element invoke(boolean repeat, Param... params) throws ServiceException {
    long timeSinceLastInvocation = System.currentTimeMillis() - lastInvocation;
    if (timeSinceLastInvocation < INVOCATION_INTERVAL) {
        // In order not to invoke the Hiveminder service too often
        try {/*from  w w  w.ja  va2 s .c o m*/
            Thread.sleep(INVOCATION_INTERVAL - timeSinceLastInvocation);
        } catch (InterruptedException e) {
            return null;
        }
    }

    // We compute the URI
    final StringBuffer requestUri = computeRequestUri(params);
    HttpResponse response = null;

    final HttpGet request = new HttpGet("http://" //$NON-NLS-1$
            + ServiceImpl.SERVER_HOST_NAME + requestUri.toString());
    final String methodUri = request.getRequestLine().getUri();

    Element result;
    try {
        Log.i(TAG, "Executing the method:" + methodUri); //$NON-NLS-1$
        response = httpClient.execute(request);
        lastInvocation = System.currentTimeMillis();

        final int statusCode = response.getStatusLine().getStatusCode();
        if (statusCode != HttpStatus.SC_OK) {
            Log.e(TAG, "Method failed: " + response.getStatusLine()); //$NON-NLS-1$

            // Tim: HTTP error. Let's wait a little bit
            if (!repeat) {
                try {
                    Thread.sleep(1500);
                } catch (InterruptedException e) {
                    // ignore
                }
                response.getEntity().consumeContent();
                return invoke(true, params);
            }

            throw new ServiceInternalException("method failed: " + response.getStatusLine());
        }

        final Document responseDoc = builder.parse(response.getEntity().getContent());
        final Element wrapperElt = responseDoc.getDocumentElement();
        if (!wrapperElt.getNodeName().equals("rsp")) {
            throw new ServiceInternalException(
                    "unexpected response returned by Hiveminder service: " + wrapperElt.getNodeName());
        } else {
            String stat = wrapperElt.getAttribute("stat");
            if (stat.equals("fail")) {
                Node errElt = wrapperElt.getFirstChild();
                while (errElt != null
                        && (errElt.getNodeType() != Node.ELEMENT_NODE || !errElt.getNodeName().equals("err"))) {
                    errElt = errElt.getNextSibling();
                }
                if (errElt == null) {
                    throw new ServiceInternalException(
                            "unexpected response returned by Hiveminder service: " + wrapperElt.getNodeValue());
                } else {
                    if (SERVICE_UNAVAILABLE_CODE.equals(((Element) errElt).getAttribute("code")) && !repeat) {
                        try {
                            Thread.sleep(1500);
                        } catch (InterruptedException e) {
                            // ignore
                        }
                        return invoke(true, params);
                    }

                    throw new ServiceException(Integer.parseInt(((Element) errElt).getAttribute("code")),
                            ((Element) errElt).getAttribute("msg"));
                }
            } else {
                Node dataElt = wrapperElt.getFirstChild();
                while (dataElt != null && (dataElt.getNodeType() != Node.ELEMENT_NODE
                        || dataElt.getNodeName().equals("transaction") == true)) {
                    try {
                        Node nextSibling = dataElt.getNextSibling();
                        if (nextSibling == null) {
                            break;
                        } else {
                            dataElt = nextSibling;
                        }
                    } catch (IndexOutOfBoundsException exception) {
                        // Some implementation may throw this exception,
                        // instead of returning a null sibling
                        break;
                    }
                }
                if (dataElt == null) {
                    throw new ServiceInternalException(
                            "unexpected response returned by Hiveminder service: " + wrapperElt.getNodeValue());
                } else {
                    result = (Element) dataElt;
                }
            }
        }
    } catch (IOException e) {
        throw new ServiceInternalException("Error making connection: " + e.getMessage(), e);
    } catch (SAXException e) {
        // repeat call if possible.
        if (!repeat)
            return invoke(true, params);
        else
            throw new ServiceInternalException("Error parsing response. " + "Please try sync again!", e);
    } finally {
        httpClient.getConnectionManager().closeExpiredConnections();
    }

    return result;
}