Example usage for org.w3c.dom Document getFirstChild

Introduction

In this page you can find the example usage for org.w3c.dom Document getFirstChild.

Prototype

public Node getFirstChild();

Source Link

Document

The first child of this node.

Usage

From source file:Main.java

private static String getMetaScriptType(Document doc) {
    // Can not just do a Document.getElementsByTagName(String) as this
    // needs/*ww  w.  j  a va  2s.  c  o m*/
    // to be relatively fast.
    List metas = new ArrayList();
    // check for META tags under the Document
    Node html = null;
    Node head = null;
    Node child = null;
    // ----------------------------------------------------------------------
    // (pa) 20021217
    // cmvc defect 235554
    // performance enhancement: using child.getNextSibling() rather than
    // nodeList(item) for O(n) vs. O(n*n)
    // ----------------------------------------------------------------------

    for (child = doc.getFirstChild(); child != null; child = child.getNextSibling()) {
        if (child.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }
        if (child.getNodeName().equalsIgnoreCase(META)) {
            metas.add(child);
        } else if (child.getNodeName().equalsIgnoreCase(HTML)) {
            html = child;
        }
    }
    // NodeList children = doc.getChildNodes();
    // for(int i = 0; i < children.getLength(); i++) {
    // child = children.item(i);
    // if(child.getNodeType() != Node.ELEMENT_NODE)
    // continue;
    // if(child.getNodeName().equalsIgnoreCase(META))
    // metas.add(child);
    // else if(child.getNodeName().equalsIgnoreCase(HTML))
    // html = child;
    // }

    // check for META tags under HEAD
    if (html != null) {
        for (child = html.getFirstChild(); (child != null) && (head == null); child = child.getNextSibling()) {
            if (child.getNodeType() != Node.ELEMENT_NODE) {
                continue;
            }
            if (child.getNodeName().equalsIgnoreCase(HEAD)) {
                head = child;
            }
        }
        // children = html.getChildNodes();
        // for(int i = 0; i < children.getLength() && head == null; i++) {
        // child = children.item(i);
        // if(child.getNodeType() != Node.ELEMENT_NODE)
        // continue;
        // if(child.getNodeName().equalsIgnoreCase(HEAD))
        // head = child;
        // }
    }

    if (head != null) {
        for (head.getFirstChild(); child != null; child = child.getNextSibling()) {
            if (child.getNodeType() != Node.ELEMENT_NODE) {
                continue;
            }
            if (child.getNodeName().equalsIgnoreCase(META)) {
                metas.add(child);
            }
        }
        // children = head.getChildNodes();
        // for(int i = 0 ; i < children.getLength(); i++) {
        // child = children.item(i);
        // if(child.getNodeType() != Node.ELEMENT_NODE)
        // continue;
        // if(child.getNodeName().equalsIgnoreCase(META))
        // metas.add(child);
        // }
    }

    return getMetaScriptType(metas);
}

---

From source file:de.mpg.escidoc.services.common.util.Util.java

public static Node querySSRNId(String conePersonUrl) {
    DocumentBuilder documentBuilder;
    HttpClient client = new HttpClient();
    try {/*from ww w.  ja  v  a 2  s  .  c om*/
        documentBuilder = DocumentBuilderFactoryImpl.newInstance().newDocumentBuilder();

        Document document = documentBuilder.newDocument();
        Element element = document.createElement("cone");
        document.appendChild(element);
        GetMethod detailMethod = new GetMethod(conePersonUrl + "?format=rdf");
        ProxyHelper.setProxy(client, conePersonUrl);
        client.executeMethod(detailMethod);
        if (detailMethod.getStatusCode() == 200) {
            Document details = documentBuilder.parse(detailMethod.getResponseBodyAsStream());
            element.appendChild(document.importNode(details.getFirstChild(), true));
            return document;
        } else {
            logger.error("Error querying CoNE: Status " + detailMethod.getStatusCode() + "\n"
                    + detailMethod.getResponseBodyAsString());
            return null;
        }

    } catch (Exception e) {
        logger.error("Error querying CoNE service. This is normal during unit tests. "
                + "Otherwise it should be clarified if any measures have to be taken.");
        return null;
    }

}

---

From source file:de.mpg.escidoc.services.common.util.Util.java

/**
  * Execute the GET-method.//from  ww  w .  ja v  a  2s.co m
  * @param client
  * @param queryUrl
  * @param documentBuilder
  * @param document
  * @param element
  * @return true if the array contains the format object, else false
  */
private static void executeGetMethod(HttpClient client, String queryUrl, DocumentBuilder documentBuilder,
        Document document, Element element) {
    String previousUrl = null;
    try {
        GetMethod method = new GetMethod(queryUrl);
        ProxyHelper.executeMethod(client, method);
        logger.info("queryURL from executeGetMethod  " + queryUrl);

        if (method.getStatusCode() == 200) {
            String[] results = method.getResponseBodyAsString().split("\n");
            for (String result : results) {
                if (!"".equals(result.trim())) {
                    String detailsUrl = result.split("\\|")[1];
                    // if there is an alternative name, take only the first occurrence
                    if (!detailsUrl.equalsIgnoreCase(previousUrl)) {
                        GetMethod detailMethod = new GetMethod(detailsUrl + "?format=rdf");
                        previousUrl = detailsUrl;

                        logger.info(detailMethod.getPath());
                        logger.info(detailMethod.getQueryString());

                        ProxyHelper.setProxy(client, detailsUrl);
                        client.executeMethod(detailMethod);
                        if (detailMethod.getStatusCode() == 200) {
                            Document details = documentBuilder.parse(detailMethod.getResponseBodyAsStream());
                            element.appendChild(document.importNode(details.getFirstChild(), true));
                        } else {
                            logger.error("Error querying CoNE: Status " + detailMethod.getStatusCode() + "\n"
                                    + detailMethod.getResponseBodyAsString());
                        }
                    }
                }
            }

        } else {
            logger.error("Error querying CoNE: Status " + method.getStatusCode() + "\n"
                    + method.getResponseBodyAsString());
        }
    } catch (Exception e) {
        logger.error("Error querying CoNE service. This is normal during unit tests. "
                + "Otherwise it should be clarified if any measures have to be taken.");
    }
}

---

From source file:com.msopentech.applicationgateway.connection.Router.java

/**
 * Performs HTTP POST request and obtains authentication token.
 * //from   ww w  .ja  v a  2  s. co  m
 * @param credentials Authentication credentials
 * 
 * @return {@link ConnectionTraits} with valid token OR with an error message if exception is caught or token retrieval failed or
 *         token is <code>null</code> or an empty string. Does NOT return <code>null</code>.
 */
private static ConnectionTraits obtainToken(Credentials credentials) {
    ConnectionTraits connection = new ConnectionTraits();

    try {
        HttpClient client = new DefaultHttpClient();
        HttpPost request = new HttpPost("https://login.microsoftonline.com/extSTS.srf");

        request.addHeader("SOAPAction", "http://docs.oasis-open.org/ws-sx/ws-trust/200512/RST/Issue");
        request.addHeader("Content-Type", "application/soap+xml; charset=utf-8");

        Date now = new Date();
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.sssZ");
        String nowAsString = df.format(now);
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(now);
        calendar.add(Calendar.SECOND, 10 * 60);
        Date expires = calendar.getTime();
        String expirationAsString = df.format(expires);

        String message = requestTemplate;

        message = message.replace("#{user}", credentials.getUsername());
        message = message.replace("#{pass}", credentials.getPassword());
        message = message.replace("#{created}", nowAsString);
        message = message.replace("#{expires}", expirationAsString);
        message = message.replace("#{resource}", "appgportal.cloudapp.net");

        StringEntity requestBody = new StringEntity(message, HTTP.UTF_8);
        requestBody.setContentType("text/xml");
        request.setEntity(requestBody);

        BasicHttpResponse response = null;
        response = (BasicHttpResponse) client.execute(request);

        HttpEntity entity = response.getEntity();
        InputStream inputStream = null;
        String token = null;

        inputStream = entity.getContent();
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
        String line;
        StringBuffer actualResponse = new StringBuffer();
        while ((line = reader.readLine()) != null) {
            actualResponse.append(line);
            actualResponse.append('\r');
        }
        token = actualResponse.toString();

        String start = "<wst:RequestedSecurityToken>";

        int index = token.indexOf(start);

        if (-1 == index) {
            DocumentBuilderFactory documentFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder documentBuilder = documentFactory.newDocumentBuilder();
            InputStream errorInputStream = new ByteArrayInputStream(token.getBytes());
            Document currentDoc = documentBuilder.parse(errorInputStream);

            if (currentDoc == null) {
                return null;
            }

            String errorReason = null;
            String errorExplained = null;
            Node rootNode = null;
            if ((rootNode = currentDoc.getFirstChild()) != null && /* <S:Envelope> */
                    (rootNode = XmlUtility.getChildNode(rootNode, "S:Body")) != null
                    && (rootNode = XmlUtility.getChildNode(rootNode, "S:Fault")) != null) {
                Node node = null;
                if ((node = XmlUtility.getChildNode(rootNode, "S:Reason")) != null) {
                    errorReason = XmlUtility.getChildNodeValue(node, "S:Text");
                }
                if ((node = XmlUtility.getChildNode(rootNode, "S:Detail")) != null
                        && (node = XmlUtility.getChildNode(node, "psf:error")) != null
                        && (node = XmlUtility.getChildNode(node, "psf:internalerror")) != null) {
                    errorExplained = XmlUtility.getChildNodeValue(node, "psf:text");
                }
            }

            if (!TextUtils.isEmpty(errorReason) && !TextUtils.isEmpty(errorExplained)) {
                logError(null, Router.class.getSimpleName() + ".obtainToken(): " + errorReason + " - "
                        + errorExplained);
                connection.setError(String.format(ERROR_TOKEN, errorReason + ": " + errorExplained));
                return connection;
            }
        } else {
            token = token.substring(index);

            String end = "</wst:RequestedSecurityToken>";

            index = token.indexOf(end) + end.length();
            token = token.substring(0, index);

            if (!TextUtils.isEmpty(token)) {
                connection.setToken(token);
                return connection;
            }
        }
    } catch (final Exception e) {
        logError(e, Router.class.getSimpleName() + ".obtainToken() Failed");
        return connection.setError(String.format(ERROR_TOKEN, "Token retrieval failed with exception."));
    }
    return connection.setError(String.format(ERROR_TOKEN, "Token retrieval failed."));
}

---

From source file:de.mpg.escidoc.services.common.util.Util.java

/**
 * Queries CoNE service and returns the result as DOM node.
 * The returned XML has the following structure:
 * <cone>/*from w  w  w.  j  av  a2 s . co m*/
 *   <author>
 *     <familyname>Buxtehude-Mlln</familyname>
 *     <givenname>Heribert</givenname>
 *     <prefix>von und zu</prefix>
 *     <title>Knig</title>
 *   </author>
 *   <author>
 *     <familyname>Mller</familyname>
 *     <givenname>Peter</givenname>
 *   </author>
 * </authors>
 * 
 * @param authors
 * @return 
 */
// IMPORTANT!!! Currently not working due to missing userHnadle info
public static Node queryCone(String model, String query) {
    DocumentBuilder documentBuilder;
    String queryUrl = null;
    try {
        System.out.println("queryCone: " + model);

        documentBuilder = DocumentBuilderFactoryImpl.newInstance().newDocumentBuilder();

        Document document = documentBuilder.newDocument();
        Element element = document.createElement("cone");
        document.appendChild(element);

        queryUrl = PropertyReader.getProperty("escidoc.cone.service.url") + model + "/query?format=jquery&q="
                + URLEncoder.encode(query, "UTF-8");
        String detailsUrl = PropertyReader.getProperty("escidoc.cone.service.url") + model
                + "/resource/$1?format=rdf";
        HttpClient client = new HttpClient();
        GetMethod method = new GetMethod(queryUrl);

        String coneSession = getConeSession();

        if (coneSession != null) {
            method.setRequestHeader("Cookie", "JSESSIONID=" + coneSession);
        }
        ProxyHelper.executeMethod(client, method);

        if (method.getStatusCode() == 200) {
            String[] results = method.getResponseBodyAsString().split("\n");
            for (String result : results) {
                if (!"".equals(result.trim())) {
                    String id = result.split("\\|")[1];
                    GetMethod detailMethod = new GetMethod(id + "?format=rdf&eSciDocUserHandle=" + "TODO");
                    logger.info(detailMethod.getPath());
                    logger.info(detailMethod.getQueryString());

                    if (coneSession != null) {
                        detailMethod.setRequestHeader("Cookie", "JSESSIONID=" + coneSession);
                    }
                    ProxyHelper.executeMethod(client, detailMethod);

                    if (detailMethod.getStatusCode() == 200) {
                        Document details = documentBuilder.parse(detailMethod.getResponseBodyAsStream());
                        element.appendChild(document.importNode(details.getFirstChild(), true));
                    } else {
                        logger.error("Error querying CoNE: Status " + detailMethod.getStatusCode() + "\n"
                                + detailMethod.getResponseBodyAsString());
                    }
                }
            }
        } else {
            logger.error("Error querying CoNE: Status " + method.getStatusCode() + "\n"
                    + method.getResponseBodyAsString());
        }

        return document;
    } catch (Exception e) {
        logger.error("Error querying CoNE service. This is normal during unit tests. (" + queryUrl
                + ") .Otherwise it should be clarified if any measures have to be taken.");
        logger.debug("Stacktrace", e);
        return null;
        //throw new RuntimeException(e);
    }
}

---

From source file:de.mpg.escidoc.services.common.util.Util.java

/**
 * Queries the CoNE service and transforms the result into a DOM node.
 * /*from   w  ww  . jav  a2s.  c  o m*/
 * @param model The type of object (e.g. "persons")
 * @param name The query string.
 * @param ou Specialty for persons
 * @param coneSession A JSESSIONID to not produce a new session with each call.
 * @return A DOM node containing the results.
 */
public static Node queryConeExactWithIdentifier(String model, String identifier, String ou) {
    DocumentBuilder documentBuilder;

    try {
        System.out.println("queryConeExact: " + model);

        documentBuilder = DocumentBuilderFactoryImpl.newInstance().newDocumentBuilder();

        Document document = documentBuilder.newDocument();
        Element element = document.createElement("cone");
        document.appendChild(element);

        String queryUrl = PropertyReader.getProperty("escidoc.cone.service.url") + model
                + "/query?format=jquery&dc:identifier/rdf:value=\"" + URLEncoder.encode(identifier, "UTF-8")
                + "\"&escidoc:position/eprints:affiliatedInstitution=" + URLEncoder.encode(ou, "UTF-8") + "";
        String detailsUrl = PropertyReader.getProperty("escidoc.cone.service.url") + model
                + "/resource/$1?format=rdf";
        HttpClient client = new HttpClient();
        GetMethod method = new GetMethod(queryUrl);

        String coneSession = getConeSession();

        if (coneSession != null) {
            method.setRequestHeader("Cookie", "JSESSIONID=" + coneSession);
        }
        ProxyHelper.executeMethod(client, method);
        logger.info("CoNE query: " + queryUrl + " returned " + method.getResponseBodyAsString());
        if (method.getStatusCode() == 200) {
            ArrayList<String> results = new ArrayList<String>();
            results.addAll(Arrays.asList(method.getResponseBodyAsString().split("\n")));
            Set<String> oldIds = new HashSet<String>();
            for (String result : results) {
                if (!"".equals(result.trim())) {
                    String id = result.split("\\|")[1];
                    if (!oldIds.contains(id)) {
                        GetMethod detailMethod = new GetMethod(id + "?format=rdf&eSciDocUserHandle=" + "TODO");

                        ProxyHelper.setProxy(client, detailsUrl.replace("$1", id));
                        client.executeMethod(detailMethod);
                        logger.info("CoNE query: " + id + "?format=rdf&eSciDocUserHandle=" + "TODO"
                                + " returned " + detailMethod.getResponseBodyAsString());
                        if (detailMethod.getStatusCode() == 200) {
                            Document details = documentBuilder.parse(detailMethod.getResponseBodyAsStream());
                            element.appendChild(document.importNode(details.getFirstChild(), true));
                        } else {
                            logger.error("Error querying CoNE: Status " + detailMethod.getStatusCode() + "\n"
                                    + detailMethod.getResponseBodyAsString());
                        }
                        oldIds.add(id);
                    }
                }
            }
        } else {
            logger.error("Error querying CoNE: Status " + method.getStatusCode() + "\n"
                    + method.getResponseBodyAsString());
        }
        return document;
    } catch (Exception e) {
        logger.error("Error querying CoNE service. This is normal during unit tests. "
                + "Otherwise it should be clarified if any measures have to be taken.");
        return null;
        //throw new RuntimeException(e);
    }
}

---

From source file:edu.virginia.speclab.juxta.author.model.JuxtaXMLParser.java

static public String getIndexBasedXPathForGeneralXPath(String xpathString, String xml) {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    try {/*from  w w  w  .ja v a 2 s. c  om*/
        factory.setNamespaceAware(false); // ignore the horrible issues of namespacing
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document doc = builder.parse(new InputSource(new StringReader(xml)));
        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPath xpath = xpathFactory.newXPath();
        Node root = doc.getFirstChild();
        XPathExpression expr = xpath.compile(xpathString);
        Node node = (Node) expr.evaluate(doc, XPathConstants.NODE);
        return nodeToSimpleXPath(node, root);
    } catch (SAXException ex) {
    } catch (IOException ex) {
    } catch (XPathExpressionException ex) {
    } catch (ParserConfigurationException ex) {
    }
    return null;
}

---

From source file:de.mpg.escidoc.services.common.util.Util.java

/**
 * Queries the CoNE service and transforms the result into a DOM node.
 * //from   w  w  w. java2 s . c o m
 * @param model The type of object (e.g. "persons")
 * @param name The query string.
 * @param ou Specialty for persons
 * @param coneSession A JSESSIONID to not produce a new session with each call.
 * @return A DOM node containing the results.
 */
public static Node queryConeExact(String model, String name, String ou) {
    DocumentBuilder documentBuilder;

    try {
        System.out.println("queryConeExact: " + model);

        documentBuilder = DocumentBuilderFactoryImpl.newInstance().newDocumentBuilder();

        Document document = documentBuilder.newDocument();
        Element element = document.createElement("cone");
        document.appendChild(element);

        String queryUrl = PropertyReader.getProperty("escidoc.cone.service.url") + model
                + "/query?format=jquery&dc:title=\"" + URLEncoder.encode(name, "UTF-8")
                + "\"&escidoc:position/eprints:affiliatedInstitution=" + URLEncoder.encode(ou, "UTF-8") + "";
        String detailsUrl = PropertyReader.getProperty("escidoc.cone.service.url") + model
                + "/resource/$1?format=rdf";
        HttpClient client = new HttpClient();
        GetMethod method = new GetMethod(queryUrl);

        String coneSession = getConeSession();

        if (coneSession != null) {
            method.setRequestHeader("Cookie", "JSESSIONID=" + coneSession);
        }
        ProxyHelper.executeMethod(client, method);
        logger.info("CoNE query: " + queryUrl + " returned " + method.getResponseBodyAsString());
        if (method.getStatusCode() == 200) {
            ArrayList<String> results = new ArrayList<String>();
            results.addAll(Arrays.asList(method.getResponseBodyAsString().split("\n")));
            queryUrl = PropertyReader.getProperty("escidoc.cone.service.url") + model
                    + "/query?format=jquery&dcterms:alternative=\"" + URLEncoder.encode(name, "UTF-8")
                    + "\"&escidoc:position/eprints:affiliatedInstitution=" + URLEncoder.encode(ou, "UTF-8");
            client = new HttpClient();
            method = new GetMethod(queryUrl);
            if (coneSession != null) {
                method.setRequestHeader("Cookie", "JSESSIONID=" + coneSession);
            }
            ProxyHelper.executeMethod(client, method);
            logger.info("CoNE query: " + queryUrl + " returned " + method.getResponseBodyAsString());
            if (method.getStatusCode() == 200) {
                results.addAll(Arrays.asList(method.getResponseBodyAsString().split("\n")));
                Set<String> oldIds = new HashSet<String>();
                for (String result : results) {
                    if (!"".equals(result.trim())) {
                        String id = result.split("\\|")[1];
                        if (!oldIds.contains(id)) {
                            GetMethod detailMethod = new GetMethod(
                                    id + "?format=rdf&eSciDocUserHandle=" + "TODO");

                            ProxyHelper.setProxy(client, detailsUrl.replace("$1", id));
                            client.executeMethod(detailMethod);
                            logger.info("CoNE query: " + id + "?format=rdf&eSciDocUserHandle=" + "TODO"
                                    + " returned " + detailMethod.getResponseBodyAsString());
                            if (detailMethod.getStatusCode() == 200) {
                                Document details = documentBuilder
                                        .parse(detailMethod.getResponseBodyAsStream());
                                element.appendChild(document.importNode(details.getFirstChild(), true));
                            } else {
                                logger.error("Error querying CoNE: Status " + detailMethod.getStatusCode()
                                        + "\n" + detailMethod.getResponseBodyAsString());
                            }
                            oldIds.add(id);
                        }
                    }
                }
            }
        } else {
            logger.error("Error querying CoNE: Status " + method.getStatusCode() + "\n"
                    + method.getResponseBodyAsString());
        }
        return document;
    } catch (Exception e) {
        logger.error("Error querying CoNE service. This is normal during unit tests. "
                + "Otherwise it should be clarified if any measures have to be taken.");
        return null;
        //throw new RuntimeException(e);
    }
}

---

From source file:com.wavemaker.tools.ws.WebServiceToolsManager.java

/**
 * Returns the XML qualified name of the root element type for the given XML.
 *///w  ww  . j a va  2  s  .  co  m
public static String getXmlRootElementType(String xml)
        throws ParserConfigurationException, SAXException, IOException {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);
    DocumentBuilder db = dbf.newDocumentBuilder();
    Reader reader = new StringReader(xml);
    Document doc = db.parse(new InputSource(reader));
    Node node = doc.getFirstChild();
    if (node != null) {
        String namespaceURI = node.getNamespaceURI();
        String localName = node.getLocalName();
        if (localName != null) {
            return namespaceURI == null ? localName : namespaceURI + ":" + localName;
        }
    }
    return null;
}

---

From source file:net.javacrumbs.smock.common.groovy.GroovyTemplateProcessor.java

public Source processTemplate(Source template, Source input, Map<String, Object> parameters) {
    try {//from w  w  w . j a v a2 s  . co  m
        String templateText = serialize(template);
        HashMap<String, Object> binding = new HashMap<String, Object>(parameters);
        if (input != null) {
            Document inputDocument = loadDocument(input);
            binding.put(inputDocument.getFirstChild().getLocalName(),
                    new XmlSlurper().parse(new StringReader(serialize(inputDocument))));
        }
        binding.put("IGNORE", "${IGNORE}");
        return new StringSource(templateEngine.createTemplate(templateText).make(binding).toString());
    } catch (Exception e) {
        throw new IllegalArgumentException("Can not process Groovy template.", e);
    }
}

---

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