Example usage for org.w3c.dom Document getDocumentElement

List of usage examples for org.w3c.dom Document getDocumentElement

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Introduction

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

Prototype

public Element getDocumentElement();

Source Link

Document

This is a convenience attribute that allows direct access to the child node that is the document element of the document.

Usage

From source file:Main.java

public static String documentToString(Document document, boolean standalone) throws Exception {
    String prol = "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"" + (standalone ? "yes" : "no")
            + "\"?>";
    return prol + nodeToString(document.getDocumentElement(), new HashSet(),
            document.getDocumentElement().getNamespaceURI());
}

From source file:com.photon.phresco.impl.WindowsApplicationProcessor.java

private static void createNewItemGroup(Document doc, List<ArtifactGroup> artifactGroups) {
    Element project = doc.getDocumentElement();
    Element itemGroup = doc.createElement(ITEMGROUP);
    for (ArtifactGroup artifactGroup : artifactGroups) {
        if (artifactGroup.getType().name().equals(Type.FEATURE.name())) {
            Element reference = doc.createElement(REFERENCE);
            reference.setAttribute(INCLUDE, artifactGroup.getName());
            Element hintPath = doc.createElement(HINTPATH);
            hintPath.setTextContent(DOUBLE_DOT + COMMON + File.separator + artifactGroup.getName() + DLL);
            reference.appendChild(hintPath);
            itemGroup.appendChild(reference);
        }/*from  ww w . j  a  v a2  s  . co  m*/
    }
    project.appendChild(itemGroup);
}

From source file:com.hueemulator.lighting.utils.TestUtils.java

/**
 * Tests the DOMs represented by two XML strings for equality by performing
 * a deep comparison.//from   w ww . j ava 2s.c om
 *
 * @param xml1 represents the XML DOM to compare with xml2
 * @param xml2 represents the XML DOM to compare with xml1
 *
 * return true if the represented DOMs are equal, false otherwise
 */
public static boolean xmlsEqual(String xml1, String xml2) throws Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();

    Document doc1 = db.parse(new InputSource(new StringReader(xml1)));
    Document doc2 = db.parse(new InputSource(new StringReader(xml2)));

    Set<Object> childSet1 = getChildSet(doc1.getDocumentElement(), "");
    Set<Object> childSet2 = getChildSet(doc2.getDocumentElement(), "");

    return childSet1.equals(childSet2); // comparing sets does all the hard work :)
}

From source file:net.roboconf.agent.internal.misc.UserDataUtils.java

private static String getSpecificAttributeOfTagInXMLFile(String filePath, String tagName, String attrName)
        throws ParserConfigurationException, SAXException, IOException {

    File fXmlFile = new File(filePath);
    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
    Document doc = dBuilder.parse(fXmlFile);

    doc.getDocumentElement().normalize();

    NodeList nList = doc.getElementsByTagName(tagName);
    Node aNode = nList.item(2);//  ww w.  j  av a 2  s . c o m
    NamedNodeMap attributes = aNode.getAttributes();
    String attrValue = "";
    for (int a = 0; a < attributes.getLength(); a++) {
        Node theAttribute = attributes.item(a);
        if (attrName.equals(theAttribute.getNodeName()))
            attrValue = theAttribute.getTextContent().split(":")[0];
    }

    return attrValue;
}

From source file:com.sitewhere.configuration.ConfigurationMigrationSupport.java

/**
 * Perform the migration work.//from w  w  w.  j a v a2s.co  m
 * 
 * @param document
 * @throws SiteWhereException
 */
protected static void migrateTenantConfiguration(Document document) throws SiteWhereException {
    Element beans = document.getDocumentElement();
    Element config = DomUtils.getChildElementByTagName(beans, "tenant-configuration");
    if (config == null) {
        throw new SiteWhereException("Tenant configuration element not found.");
    }
    Element dcomm = DomUtils.getChildElementByTagName(config, "device-communication");
    if (dcomm == null) {
        throw new SiteWhereException("Device communication element missing.");
    }
    Element asset = DomUtils.getChildElementByTagName(config, "asset-management");
    if (asset == null) {
        throw new SiteWhereException("Asset management element missing.");
    }
    Element eproc = DomUtils.getChildElementByTagName(config, "event-processing");
    if (eproc == null) {
        LOGGER.info("Event processing element missing. Migrating to new configuration format.");
        eproc = document.createElementNS(config.getNamespaceURI(), "event-processing");
        eproc.setPrefix(config.getPrefix());
        config.insertBefore(eproc, asset);

        moveEventProcessingElements(config, dcomm, eproc, document);
    }
    document.normalizeDocument();
}

From source file:Main.java

public static Element loadXml(final InputStream inStream) throws IOException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(false);/*w  w w.j a  v  a 2 s .  co m*/

    Document doc;
    try {
        doc = factory.newDocumentBuilder().parse(inStream);
    } catch (SAXException e) {
        throw new IOException(e.getLocalizedMessage(), e);
    } catch (ParserConfigurationException e) {
        throw new IOException(e.getLocalizedMessage(), e);
    }

    return doc.getDocumentElement();
}

From source file:de.tub.av.pe.xcapsrv.XMLValidator.java

public static String getWellFormedElement(InputStream input)
        throws NotValidXMLFragmentConflictException, InternalServerErrorException, TransformerException,
        ParserConfigurationException, IOException, SAXException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setNamespaceAware(true);// w  w w.  j  a v  a2s  .  co  m
    String result = null;

    DocumentBuilder parser = factory.newDocumentBuilder();
    Document dummyDocument = parser.parse(input);
    result = TextWriter.toString(dummyDocument.getDocumentElement());

    return result;
}

From source file:it.greenvulcano.gvesb.utils.ResultSetUtils.java

/**
 * Returns all values from the ResultSet as an XML.
 * For instance, if the ResultSet has 3 values, the returned XML will have following fields:
 *                                <RowSet>
 *                                  <data>
 *                                    <row>
 *                                      <col>value1</col>
 *                                      <col>value2</col>
 *                                      <col>value3</col>
 *                                    </row>
 *                                    <row>
 *                                      <col>value4</col>
 *                                      <col>value5</col>
 *                                      <col>value6</col>
 *                                    </row>
 *                                  ..//www  .  j av  a2 s  . co m
 *                                    <row>
 *                                      <col>valuex</col>
 *                                      <col>valuey</col>
 *                                      <col>valuez</col>
 *                                    </row>
 *                                  </data>
 *                                </RowSet>
 * @param rs
 * @return
 * @throws Exception
 */
public static Document getResultSetAsDOM(ResultSet rs) throws Exception {
    XMLUtils xml = XMLUtils.getParserInstance();
    try {
        Document doc = xml.newDocument("RowSet");
        Element docRoot = doc.getDocumentElement();

        if (rs != null) {
            try {
                ResultSetMetaData metadata = rs.getMetaData();
                Element data = null;
                Element row = null;
                Element col = null;
                Text text = null;
                String textVal = null;
                while (rs.next()) {
                    boolean restartResultset = false;
                    for (int j = 1; j <= metadata.getColumnCount() && !restartResultset; j++) {
                        col = xml.createElement(doc, "col");
                        restartResultset = false;
                        switch (metadata.getColumnType(j)) {
                        case Types.CLOB: {
                            Clob clob = rs.getClob(j);
                            if (clob != null) {
                                Reader is = clob.getCharacterStream();
                                StringWriter strW = new StringWriter();

                                IOUtils.copy(is, strW);
                                is.close();
                                textVal = strW.toString();
                            } else {
                                textVal = "";
                            }
                        }
                            break;
                        case Types.BLOB: {
                            Blob blob = rs.getBlob(j);
                            if (blob != null) {
                                InputStream is = blob.getBinaryStream();
                                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                                IOUtils.copy(is, baos);
                                is.close();
                                try {
                                    byte[] buffer = Arrays.copyOf(baos.toByteArray(), (int) blob.length());
                                    textVal = new String(Base64.getEncoder().encode(buffer));
                                } catch (SQLFeatureNotSupportedException exc) {
                                    textVal = new String(Base64.getEncoder().encode(baos.toByteArray()));
                                }
                            } else {
                                textVal = "";
                            }
                        }
                            break;
                        case -10: { // OracleTypes.CURSOR
                            Object obj = rs.getObject(j);
                            if (obj instanceof ResultSet) {
                                rs = (ResultSet) obj;
                                metadata = rs.getMetaData();
                            }
                            restartResultset = true;
                        }
                            break;
                        default: {
                            textVal = rs.getString(j);
                            if (textVal == null) {
                                textVal = "";
                            }
                        }
                        }
                        if (restartResultset) {
                            continue;
                        }
                        if (row == null || j == 1) {
                            row = xml.createElement(doc, "row");
                        }
                        if (textVal != null) {
                            text = doc.createTextNode(textVal);
                            col.appendChild(text);
                        }
                        row.appendChild(col);
                    }
                    if (row != null) {
                        if (data == null) {
                            data = xml.createElement(doc, "data");
                        }
                        data.appendChild(row);
                    }
                }
                if (data != null) {
                    docRoot.appendChild(data);
                }
            } finally {
                if (rs != null) {
                    try {
                        rs.close();
                    } catch (Exception exc) {
                        // do nothing
                    }
                    rs = null;
                }
            }
        }

        return doc;
    } finally {
        XMLUtils.releaseParserInstance(xml);
    }
}

From source file:de.tub.av.pe.xcapsrv.XMLValidator.java

public static Element getWellFormedDocumentFragment(Reader reader)
        throws NotValidXMLFragmentConflictException, InternalServerErrorException {
    try {//from w  w w  .j a v  a 2 s. c  o m
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(false);
        DocumentBuilder parser = factory.newDocumentBuilder();
        Document dummyDocument = parser.parse(new InputSource(reader));
        return dummyDocument.getDocumentElement();
    } catch (SAXException e) {

        throw new NotValidXMLFragmentConflictException();
    } catch (IOException e) {
        throw new InternalServerErrorException(e.getMessage());
    } catch (ParserConfigurationException e) {
        throw new InternalServerErrorException(e.getMessage());
    }
}

From source file:com.impetus.kundera.ejb.PersistenceXmlLoader.java

/**
* Find persistence units./*from   ww w .j av  a2s  . c o  m*/
* 
* @param url
*            the url
* @param defaultTransactionType
*            the default transaction type
* @return the list
* @throws Exception
*             the exception
*/
public static List<PersistenceMetadata> findPersistenceUnits(URL url,
        PersistenceUnitTransactionType defaultTransactionType) throws Exception {

    Document doc = getDocument(url);
    Element top = doc.getDocumentElement();
    NodeList children = top.getChildNodes();
    ArrayList<PersistenceMetadata> units = new ArrayList<PersistenceMetadata>();

    for (int i = 0; i < children.getLength(); i++) {
        if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
            Element element = (Element) children.item(i);
            String tag = element.getTagName();
            // look for "persistence-unit" element
            if (tag.equals("persistence-unit")) {
                PersistenceMetadata metadata = parsePersistenceUnit(element);
                units.add(metadata);
            }
        }
    }
    return units;
}