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:de.mpg.mpdl.inge.transformation.Util.java

/**
 * Queries CoNE service and returns the result as DOM node. The returned XML has the following
 * structure: <cone> <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>
 * // ww  w .  j  a v  a2 s .  co m
 * @param authors
 * @return
 */
public static Node queryCone(String model, String query) {
    DocumentBuilder documentBuilder;
    String queryUrl = null;
    try {
        logger.info("queryCone: " + model + " query: " + query);

        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();
        client.getParams().setParameter(HttpClientParams.ALLOW_CIRCULAR_REDIRECTS, true);
        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];
                    // TODO "&redirect=true" must be reinserted again
                    GetMethod detailMethod = new GetMethod(id + "?format=rdf&eSciDocUserHandle="
                            + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8")));
                    detailMethod.setFollowRedirects(true);

                    if (coneSession != null) {
                        detailMethod.setRequestHeader("Cookie", "JSESSIONID=" + coneSession);
                    }
                    ProxyHelper.executeMethod(client, detailMethod);
                    logger.info("CoNE query: " + id + "?format=rdf&eSciDocUserHandle="
                            + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8")) + " 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());
                    }
                }
            }
        } 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.", e);
        logger.debug("Stacktrace", e);
        return null;
        // throw new RuntimeException(e);
    }
}

From source file:net.javacrumbs.springws.test.template.XsltTemplateProcessor.java

protected boolean isTemplate(Resource resource) throws IOException {
    Document document = loadDocument(resource);
    return XSL_NAMESPACE.equals(document.getFirstChild().getNamespaceURI());
}

From source file:de.mpg.escidoc.services.transformation.Util.java

public static Node querySSRNId(String conePersonUrl) {
    DocumentBuilder documentBuilder;
    HttpClient client = new HttpClient();

    logger.info("querySSRNId: " + conePersonUrl);

    try {/*from  ww w .  j  av  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.", e);
        return null;
    }

}

From source file:de.mpg.mpdl.inge.transformation.Util.java

/**
 * Queries the CoNE service and transforms the result into a DOM node.
 * /*www .  j a  va2 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 queryConeExactWithIdentifier(String model, String identifier, String ou) {
    DocumentBuilder documentBuilder;

    try {
        logger.info("queryConeExactWithIdentifier: " + model + " identifier: " + identifier + " ou: " + ou);

        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/" + URLEncoder.encode("rdf:value", "UTF-8") + "="
                + URLEncoder.encode("\"" + identifier + "\"", "UTF-8") + "&"
                + URLEncoder.encode("escidoc:position/eprints:affiliatedInstitution", "UTF-8") + "="
                + URLEncoder.encode("\"*" + ou + "*\"", "UTF-8");
        String detailsUrl = PropertyReader.getProperty("escidoc.cone.service.url") + model
                + "/resource/$1?format=rdf";
        HttpClient client = new HttpClient();
        client.getParams().setParameter(HttpClientParams.ALLOW_CIRCULAR_REDIRECTS, true);
        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)) {
                        // TODO "&redirect=true" must be reinserted again
                        GetMethod detailMethod = new GetMethod(id + "?format=rdf&eSciDocUserHandle="
                                + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8")));
                        detailMethod.setFollowRedirects(true);

                        ProxyHelper.setProxy(client, detailsUrl.replace("$1", id));
                        client.executeMethod(detailMethod);
                        // TODO "&redirect=true" must be reinserted again
                        logger.info("CoNE query: " + id + "?format=rdf&eSciDocUserHandle="
                                + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8"))
                                + " 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.", e);
        return null;
        // throw new RuntimeException(e);
    }
}

From source file:me.willowcheng.makerthings.model.OpenHABSitemapPage.java

public OpenHABSitemapPage(Document document) {
    Node rootNode = document.getFirstChild();
    if (rootNode == null)
        return;//from w  w w  .  ja va  2s.  c o  m
    mRootWidget = new OpenHABWidget();
    mRootWidget.setType("root");
    if (rootNode.hasChildNodes()) {
        NodeList childNodes = rootNode.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            Node childNode = childNodes.item(i);
            if (childNode.getNodeName().equals("widget")) {
                OpenHABWidget newOpenHABWidget = new OpenHABWidget(mRootWidget, childNode);
                mWidgets.add(newOpenHABWidget);
            } else if (childNode.getNodeName().equals("title")) {
                this.setTitle(childNode.getTextContent());
            } else if (childNode.getNodeName().equals("id")) {
                this.setPageId(childNode.getTextContent());
            } else if (childNode.getNodeName().equals("icon")) {
                this.setIcon(childNode.getTextContent());
            } else if (childNode.getNodeName().equals("link")) {
                this.setLink(childNode.getTextContent());
            }
        }
    }

}

From source file:de.mpg.escidoc.services.transformation.Util.java

/**
  * Execute the GET-method./*from  w w  w. j  a  v a2  s.  c o 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 {
        logger.info("queryURL from executeGetMethod  " + queryUrl);
        GetMethod method = new GetMethod(queryUrl);
        ProxyHelper.executeMethod(client, method);

        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;

                        if (logger.isDebugEnabled()) {
                            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.getPath() + "\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.", e);

    }
}

From source file:de.mpg.escidoc.services.transformation.Util.java

/**
 * Queries CoNE service and returns the result as DOM node.
 * The returned XML has the following structure:
 * <cone>/*from  ww w . j a v a2s. com*/
 *   <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 
 */
public static Node queryCone(String model, String query) {
    DocumentBuilder documentBuilder;
    String queryUrl = null;
    try {
        logger.info("queryCone: " + model + " query: " + query);

        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();
        client.getParams().setParameter(HttpClientParams.ALLOW_CIRCULAR_REDIRECTS, true);
        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];
                    // TODO "&redirect=true" must be reinserted again
                    GetMethod detailMethod = new GetMethod(id + "?format=rdf&eSciDocUserHandle="
                            + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8")));
                    detailMethod.setFollowRedirects(true);

                    if (coneSession != null) {
                        detailMethod.setRequestHeader("Cookie", "JSESSIONID=" + coneSession);
                    }
                    ProxyHelper.executeMethod(client, detailMethod);
                    if (logger.isDebugEnabled()) {
                        logger.debug("CoNE query: " + id + "?format=rdf&eSciDocUserHandle="
                                + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8"))
                                + " 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());
                    }
                }
            }
        } 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.", e);
        logger.debug("Stacktrace", e);
        return null;
        //throw new RuntimeException(e);
    }
}

From source file:de.mpg.escidoc.services.transformation.Util.java

/**
 * Queries the CoNE service and transforms the result into a DOM node.
 * //from   w  ww  .ja  va2s  .  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 {
        logger.info("queryConeExactWithIdentifier: " + model + " identifier: " + identifier + " ou: " + ou);

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

        String coneSession = getConeSession();

        if (coneSession != null) {
            method.setRequestHeader("Cookie", "JSESSIONID=" + coneSession);
        }
        ProxyHelper.executeMethod(client, method);
        if (logger.isDebugEnabled()) {
            logger.debug("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)) {
                        // TODO "&redirect=true" must be reinserted again
                        GetMethod detailMethod = new GetMethod(id + "?format=rdf&eSciDocUserHandle="
                                + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8")));
                        detailMethod.setFollowRedirects(true);

                        ProxyHelper.setProxy(client, detailsUrl.replace("$1", id));
                        client.executeMethod(detailMethod);
                        // TODO "&redirect=true" must be reinserted again
                        if (logger.isDebugEnabled()) {
                            logger.debug("CoNE query: " + id + "?format=rdf&eSciDocUserHandle="
                                    + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8"))
                                    + " 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.", e);
        return null;
        //throw new RuntimeException(e);
    }
}

From source file:de.mpg.mpdl.inge.transformation.Util.java

/**
 * Queries the CoNE service and transforms the result into a DOM node.
 * /*from w ww .ja va2s.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 {
        logger.info("queryConeExact: " + model + " name: " + name + " ou: " + ou);

        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&" + URLEncoder.encode("dc:title", "UTF-8") + "="
                + URLEncoder.encode("\"" + name + "\"", "UTF-8") + "&"
                + URLEncoder.encode("escidoc:position/eprints:affiliatedInstitution", "UTF-8") + "="
                + URLEncoder.encode("\"*" + ou + "*\"", "UTF-8");
        String detailsUrl = PropertyReader.getProperty("escidoc.cone.service.url") + model
                + "/resource/$1?format=rdf";
        HttpClient client = new HttpClient();
        client.getParams().setParameter(HttpClientParams.ALLOW_CIRCULAR_REDIRECTS, true);
        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&"
                    + URLEncoder.encode("dcterms:alternative", "UTF-8") + "="
                    + URLEncoder.encode("\"" + name + "\"", "UTF-8") + "&"
                    + URLEncoder.encode("escidoc:position/eprints:affiliatedInstitution", "UTF-8") + "="
                    + 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)) {
                            // TODO "&redirect=true" must be reinserted again
                            GetMethod detailMethod = new GetMethod(id + "?format=rdf&eSciDocUserHandle="
                                    + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8")));
                            detailMethod.setFollowRedirects(true);

                            ProxyHelper.setProxy(client, detailsUrl.replace("$1", id));
                            client.executeMethod(detailMethod);
                            // TODO "&redirect=true" must be reinserted again
                            logger.info("CoNE query: " + id + "?format=rdf&eSciDocUserHandle="
                                    + Base64.encode(AdminHelper.getAdminUserHandle().getBytes("UTF-8"))
                                    + " 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.", e);
        return null;
        // throw new RuntimeException(e);
    }
}

From source file:edu.emory.library.tast.submission.SubmissionAttributes.java

private SubmissionAttribute[] loadConfig() {
    try {/* www.  java2  s.  co  m*/
        ArrayList list = new ArrayList();
        Document document = new XMLConfiguration("submission-attributes.xml").getDocument();
        Node mainNode = document.getFirstChild();
        if (mainNode != null) {
            if (mainNode.getNodeType() == Node.ELEMENT_NODE) {
                NodeList attrs = mainNode.getChildNodes();
                for (int j = 0; j < attrs.getLength(); j++) {
                    if (attrs.item(j).getNodeType() == Node.ELEMENT_NODE) {
                        SubmissionAttribute attr = SubmissionAttribute.fromXML(attrs.item(j));
                        if (attr.getKey() == null) {
                            list.add(attr);
                        } else {
                            map.put(attr.getKey(), attr);
                        }
                    }
                }
            }
        }
        return (SubmissionAttribute[]) list.toArray(new SubmissionAttribute[] {});
    } catch (ConfigurationException e) {
        e.printStackTrace();
    }
    return null;
}