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 Element loadDocument(String location) {
    Document doc = null;
    try {/*ww w. j a va 2s  . co  m*/
        URL url = new URL(location);
        InputSource xmlInp = new InputSource(url.openStream());

        DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
        DocumentBuilder parser = docBuilderFactory.newDocumentBuilder();
        doc = parser.parse(xmlInp);
        Element root = doc.getDocumentElement();
        root.normalize();
        return root;
    } catch (SAXParseException err) {
        System.err.println("URLMappingsXmlDAO ** Parsing error" + ", line " + err.getLineNumber() + ", uri "
                + err.getSystemId());
        System.err.println("URLMappingsXmlDAO error: " + err.getMessage());
    } catch (SAXException e) {
        System.err.println("URLMappingsXmlDAO error: " + e);
    } catch (java.net.MalformedURLException mfx) {
        System.err.println("URLMappingsXmlDAO error: " + mfx);
    } catch (java.io.IOException e) {
        System.err.println("URLMappingsXmlDAO error: " + e);
    } catch (Exception pce) {
        System.err.println("URLMappingsXmlDAO error: " + pce);
    }
    return null;
}

From source file:Main.java

/**
 * Performs the actual recursive dumping of a DOM tree to a given
 * <CODE>PrintStream</CODE>. Note that dump is intended to be a detailed
 * debugging aid rather than pretty to look at. 
 * // w  w  w .j a  v a 2s . c  o  m
 * @param    out            The <CODE>PrintStream</CODE> to write to.
 * @param    node         The <CODE>Node</CODE> under consideration.
 * @param    indent         The level of indentation.
 * @see      #dump(Node)
 * @see      #dump(PrintStream, Node)
 * @since   TFP 1.0
 */
private static void doDump(PrintStream out, final Node node, int indent) {
    if (node != null) {
        for (int index = 0; index < indent; ++index)
            out.write(' ');

        switch (node.getNodeType()) {
        case Node.DOCUMENT_NODE: {
            Document document = (Document) node;

            out.println("DOCUMENT:");

            doDump(out, document.getDoctype(), indent + 1);
            doDump(out, document.getDocumentElement(), indent + 1);
            break;
        }

        case Node.DOCUMENT_TYPE_NODE: {
            DocumentType type = (DocumentType) node;

            out.println("DOCTYPE: [" + "name=" + format(type.getName()) + "," + "publicId="
                    + format(type.getPublicId()) + "," + "systemId=" + format(type.getSystemId()) + "]");
            break;
        }

        case Node.ELEMENT_NODE: {
            Element element = (Element) node;

            out.println("ELEMENT: [" + "ns=" + format(element.getNamespaceURI()) + "," + "name="
                    + format(element.getLocalName()) + "]");

            NamedNodeMap attrs = element.getAttributes();

            for (int index = 0; index < attrs.getLength(); ++index)
                doDump(out, attrs.item(index), indent + 1);

            for (Node child = element.getFirstChild(); child != null;) {
                doDump(out, child, indent + 1);
                child = child.getNextSibling();
            }
            break;
        }
        case Node.ATTRIBUTE_NODE: {
            Attr attr = (Attr) node;

            out.println("ATTRIBUTE: [" + "ns=" + format(attr.getNamespaceURI()) + "," + "prefix="
                    + format(attr.getPrefix()) + "," + "name=" + format(attr.getLocalName()) + "," + "value="
                    + format(attr.getNodeValue()) + "]");
            break;
        }

        case Node.TEXT_NODE: {
            Text text = (Text) node;

            out.println("TEXT: [" + format(text.getNodeValue()) + "]");

            for (Node child = text.getFirstChild(); child != null;) {
                doDump(out, child, indent + 1);
                child = child.getNextSibling();
            }
            break;
        }

        case Node.CDATA_SECTION_NODE: {
            CDATASection data = (CDATASection) node;

            out.println("CDATA: [" + format(data.getNodeValue()) + "]");
            break;
        }

        case Node.COMMENT_NODE: {
            Comment comm = (Comment) node;

            out.println("COMMENT: [" + format(comm.getNodeValue()) + "]");
            break;
        }

        default:
            out.println("UNKNOWN: [type=" + node.getNodeType() + "]");
            break;
        }
    }
}

From source file:Main.java

/**
 * Performs the actual recursive dumping of a DOM tree to a given
 * <CODE>PrintWriter</CODE>. Note that dump is intended to be a detailed
 * debugging aid rather than pretty to look at. 
 * //from   ww  w.  j  av a2 s .co m
 * @param    out            The <CODE>PrintWriter</CODE> to write to.
 * @param    node         The <CODE>Node</CODE> under consideration.
 * @param    indent         The level of indentation.
 * @see      #dump(PrintWriter, Node)
 * @since   TFP 1.0
 */
private static void doDump(PrintWriter out, final Node node, int indent) {
    if (node != null) {
        for (int index = 0; index < indent; ++index)
            out.write(' ');

        switch (node.getNodeType()) {
        case Node.DOCUMENT_NODE: {
            Document document = (Document) node;

            out.println("DOCUMENT:");

            doDump(out, document.getDoctype(), indent + 1);
            doDump(out, document.getDocumentElement(), indent + 1);
            break;
        }

        case Node.DOCUMENT_TYPE_NODE: {
            DocumentType type = (DocumentType) node;

            out.println("DOCTYPE: [" + "name=" + format(type.getName()) + "," + "publicId="
                    + format(type.getPublicId()) + "," + "systemId=" + format(type.getSystemId()) + "]");
            break;
        }

        case Node.ELEMENT_NODE: {
            Element element = (Element) node;

            out.println("ELEMENT: [" + "ns=" + format(element.getNamespaceURI()) + "," + "name="
                    + format(element.getLocalName()) + "]");

            NamedNodeMap attrs = element.getAttributes();

            for (int index = 0; index < attrs.getLength(); ++index)
                doDump(out, attrs.item(index), indent + 1);

            for (Node child = element.getFirstChild(); child != null;) {
                doDump(out, child, indent + 1);
                child = child.getNextSibling();
            }
            break;
        }
        case Node.ATTRIBUTE_NODE: {
            Attr attr = (Attr) node;

            out.println("ATTRIBUTE: [" + "ns=" + format(attr.getNamespaceURI()) + "," + "prefix="
                    + format(attr.getPrefix()) + "," + "name=" + format(attr.getLocalName()) + "," + "value="
                    + format(attr.getNodeValue()) + "]");
            break;
        }

        case Node.TEXT_NODE: {
            Text text = (Text) node;

            out.println("TEXT: [" + format(text.getNodeValue()) + "]");

            for (Node child = text.getFirstChild(); child != null;) {
                doDump(out, child, indent + 1);
                child = child.getNextSibling();
            }
            break;
        }

        case Node.CDATA_SECTION_NODE: {
            CDATASection data = (CDATASection) node;

            out.println("CDATA: [" + format(data.getNodeValue()) + "]");
            break;
        }

        case Node.COMMENT_NODE: {
            Comment comm = (Comment) node;

            out.println("COMMENT: [" + format(comm.getNodeValue()) + "]");
            break;
        }

        default:
            out.println("UNKNOWN: [type=" + node.getNodeType() + "]");
            break;
        }
    }
}

From source file:io.cloudslang.content.xml.utils.XmlUtils.java

/**
 * Transforms a string representation of an XML Node to an Node
 *
 * @param value    the node as String//from  w w w .j a  va  2  s  .  co m
 * @param features parsing features to set on the document builder
 * @return the Node object
 * @throws Exception in case the String can't be represented as a Node
 */
public static Node stringToNode(String value, String encoding, String features) throws Exception {
    Node node;
    if (StringUtils.isEmpty(encoding)) {
        encoding = "UTF-8";
    }
    try (InputStream inputStream = new ByteArrayInputStream(value.getBytes(encoding))) {
        // check if input value is a Node
        Document docNew = DocumentUtils.createDocumentBuilder(features).parse(inputStream);
        node = docNew.getDocumentElement();
    } catch (SAXException se) {
        throw new Exception("Value " + value + "is not valid XML element : " + se.getMessage());
    }
    return node;
}

From source file:Main.java

public static Document read(String filename) {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setValidating(false);/*  w  w w .  jav a2s .com*/
    DocumentBuilder builder = null;
    Document document = null;
    try {
        builder = factory.newDocumentBuilder();
        builder.setEntityResolver(new EntityResolver() {
            public InputSource resolveEntity(String publicId, String systemId)
                    throws SAXException, IOException {
                return new InputSource(new StringReader(""));
            }
        });
        document = builder.parse(new File(filename));
        document.getDocumentElement().normalize();
    } catch (Exception e) {
    }
    return document;
}

From source file:Main.java

/**
 * Locates the element defined by the XPath expression in the XML file and replaces the child text with the passed value.
 * @param fileName The XML file to update.
 * @param xPathExpression An XPath expression that locates the element to update.
 * @param value The value to update the attribute to.
 *///from  w  w  w.  ja  v  a  2  s. c o m
public static void updateElementValueInXMLFile(String fileName, String xPathExpression, String value) {
    try {
        Document document = parseXML(new File(fileName));
        XPath xpath = XPathFactory.newInstance().newXPath();
        XPathExpression xpathExpression = xpath.compile(xPathExpression);
        Element element = (Element) xpathExpression.evaluate(document, NODE);
        element.getFirstChild().setNodeValue(value);
        writeElement(document.getDocumentElement(), fileName);
    } catch (Exception e) {
        throw new RuntimeException("Failed to extract element from:" + fileName, e);
    }
}

From source file:at.gv.egovernment.moa.id.util.client.mis.simple.MISSimpleClient.java

private static Element sendSOAPRequest(String webServiceURL, Element request) throws MISSimpleClientException {

    //      try {
    //         System.out.println("REQUEST-MIS: \n"  + DOMUtils.serializeNode(request));
    //      } catch (TransformerException e1) {
    //         e1.printStackTrace();
    //      } catch (IOException e1) {
    //         e1.printStackTrace();
    //      }// w  w w  .  java 2s .c o  m

    if (webServiceURL == null) {
        throw new NullPointerException("Argument webServiceURL must not be null.");
    }
    if (request == null) {
        throw new NullPointerException("Argument request must not be null.");
    }
    try {
        HttpClient httpclient = HttpClientWithProxySupport.getHttpClient();
        PostMethod post = new PostMethod(webServiceURL);
        StringRequestEntity re = new StringRequestEntity(DOMUtils.serializeNode(packIntoSOAP(request)),
                "text/xml", "UTF-8");
        post.setRequestEntity(re);
        int responseCode = httpclient.executeMethod(post);

        if (responseCode != 200) {
            throw new MISSimpleClientException("Invalid HTTP response code " + responseCode);
        }
        //Element elem = parse(post.getResponseBodyAsStream());
        Document doc = DOMUtils.parseDocumentSimple(post.getResponseBodyAsStream());
        return unpackFromSOAP(doc.getDocumentElement());

    } catch (IOException e) {
        throw new MISSimpleClientException("service.04", e);

    } catch (TransformerException e) {
        throw new MISSimpleClientException("service.06", e);

    } catch (SAXException e) {
        throw new MISSimpleClientException("service.06", e);

    } catch (ParserConfigurationException e) {
        throw new MISSimpleClientException("service.06", e);

    } catch (Exception e) {
        throw new MISSimpleClientException("service.06", e);

    }

}

From source file:com.netsteadfast.greenstep.util.BusinessProcessManagementUtils.java

public static String getResourceProcessId(File activitiBpmnFile) throws Exception {
    if (null == activitiBpmnFile || !activitiBpmnFile.exists()) {
        throw new Exception("file no exists!");
    }//ww w.j  av  a  2 s  . co  m
    if (!activitiBpmnFile.getName().endsWith(_SUB_NAME)) {
        throw new Exception("not resource file.");
    }
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.parse(activitiBpmnFile);
    Element element = doc.getDocumentElement();
    if (!"definitions".equals(element.getNodeName())) {
        throw new Exception("not resource file.");
    }
    String processId = activitiBpmnFile.getName();
    if (processId.endsWith(_SUB_NAME)) {
        processId = processId.substring(0, processId.length() - _SUB_NAME.length());
    }
    NodeList nodes = element.getChildNodes();
    for (int i = 0; i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        if ("process".equals(node.getNodeName())) {
            NamedNodeMap nodeMap = node.getAttributes();
            for (int attr = 0; attr < nodeMap.getLength(); attr++) {
                Node processAttr = nodeMap.item(attr);
                if ("id".equals(processAttr.getNodeName())) {
                    processId = processAttr.getNodeValue();
                }
            }
        }
    }
    return processId;
}

From source file:Main.java

public static String qualifyName(Document doc, String name) {

    // parse name into local name and prefix pre:local
    int idx = name.indexOf(":");
    String localName = name;//from   w w  w. j  av  a  2 s.com
    String pre = null;
    if (idx != -1 && idx > 0) {
        localName = name.substring(idx + 1);
        pre = name.substring(0, idx);
    }

    // if no prefix was specified we use document namespaceURI
    if (pre == null) {
        String ns = doc.getDocumentElement().getAttribute("targetNamespace");
        if (ns == null || "".equals(ns)) {
            return doc.getDocumentElement().getNamespaceURI() + ":" + localName;
        } else {
            return ns + ":" + localName;
        }
    }

    // resolve prefix into namespace URI
    String ns = doc.getDocumentElement().getAttribute("xmlns:" + pre);
    if (ns == null || "".equals(ns)) {
        throw new RuntimeException("Bad namespace specified in " + name);
    }

    return ns + ":" + localName;
}

From source file:com.hp.test.framework.generatejellytess.GenerateJellyTests.java

public static Map<String, String> GetLocators(String Testcases_path) {
    //   ReadTestCases.verfiy=verification;
    try {//from   w  ww . ja va 2s.c om
        DocumentBuilder documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        Document doc;

        // deletes file when the virtual machine terminate
        doc = documentBuilder.parse(new File(Testcases_path));
        //   doc = documentBuilder.parse(f);
        getData(null, doc.getDocumentElement());
        //   System.out.println("purush");

    } catch (Exception exe) {
        log.error("Error in getting locators" + exe.getMessage());
    }
    Map<String, List<String>> actions_exp = new HashMap<String, List<String>>();

    return Locators;

}